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    Caut o persoana care sa ma ajute la un priect, am nevoie de pus niste functii sa ruleze, lucrat cu Node.js and angular and microservices. (pentru cei care lucreaza in domeniu cred ca e super simplu, eu sunt incepatoare si nu ma descurc)

    $12 / hr Average bid
    $12 / hr Oferta medie
    12 oferte

    I’m ready to move our Kubernetes workloads on AWS into a fully automated production-grade release flow and need an expert who can stand up Spinnaker via the Spinnaker Operator to make that happen. Here...snippets, and any custom pipeline JSON so we can reproduce or extend it later. Acceptance criteria – A working Spinnaker UI reachable from the cluster, showing at least one pipeline successfully pushing a sample application to the production namespace. – All configuration stored in version-controlled manifests so changes are auditable. – Clear hand-off notes explaining how to add new microservices to the same automated flow. If you’ve already rolled out Spinnaker Operator in AWS and can demo a running pipeline, I’d love to tap your ...

    $172 Average bid
    $172 Oferta medie
    74 oferte

    ...acronyms so new engineers can get up to speed quickly. I can provide current source diagrams, codebase access, and SME interviews. The final documents should be delivered in editable formats (Markdown plus embedded / Lucidchart diagrams or equivalent) so our team can maintain them over time. If you have a track record writing system architecture documentation, especially for SaaS or microservices-based products, I’d love to see a sample. Clear English, logical structure, and consistency are essential....

    $420 Average bid
    $420 Oferta medie
    72 oferte

    Hello Mustafa, I have reviewed your project and I am the right fit as I specialize in deploying com...correctly. Routing: isolating traffic so it does not interfere with Laravel's routing. Security: I will bind the internal service to localhost only or use UFW to block external access to the specific port, forcing all traffic through the secure Nginx layer. Experience: I have extensive experience managing Linux servers and Nginx/PHP-FPM stacks. I have deployed numerous Go and Node.js microservices, ensuring 100% uptime and seamless integration with main web apps. Deliverables: Fully configured gblicense on HTTPS. Nginx & Systemd config files. I can complete this within 2 days. Do you plan to host this on a subdomain (e.g., ) or a subpath? Best regards, Anshu K.

    $50 / hr Average bid
    $50 / hr Oferta medie
    1 oferte

    Key Responsibilities: • Design, develop, and deploy AI/ML solutions end-to-end • Lead AI architecture and solution design for ...proficiency in Python and data processing libraries (NumPy, Pandas) • Hands-on experience with TensorFlow, PyTorch, Scikit-learn • Strong understanding of Deep Learning, NLP, Computer Vision • Experience with Model Deployment & MLOps pipelines • Experience working with Cloud platforms (AWS / Azure / GCP) • Strong knowledge of Data Engineering & Big Data tools • Experience with REST APIs and Microservices • Excellent analytical and communication skills • Experience with Generative AI and LLM frameworks • Knowledge of Docker, Kubernetes • Experience with AutoML and model optimization techniq...

    $12 / hr Average bid
    $12 / hr Oferta medie
    21 oferte

    ...SETUP GUIDE AWS Accounts Dev environment Staging environment PoC production sandbox Required Services Enabled S3 Lambda API Gateway Glue Redshift / Aurora SageMaker Neptune (optional AML graph) CloudWatch GuardDuty IAM / KMS 6. CI/CD PIPELINE GitHub / GitLab repository Branch protection rules Automated Terraform deployment Lambda deployment pipelines Automated unit tests Container builds (if microservices used) 7. TESTING STRATEGY Required Tests ingestion integrity tests schema validation tests compliance rule accuracy tests stress testing scenario tests fraud detection simulation tests security penetration testing 8. DELIVERY CHECKPOINTS Week 2 — Infrastructure Ready Week 4 — Data ingestion working Week 6 — Compliance engine working Week 8 — Stress tes...

    $33 / hr Average bid
    $33 / hr Oferta medie
    39 oferte

    ...weather updates Technical Requirements Custom signaling server Custom media server or streaming pipeline Strong experience with low-latency audio and video systems Understanding of SFU and MCU architectures Mobile App: Flutter, React Native, or Native Android and iOS Backend: Node.js, Go, or Rust (proposal-based) Database: PostgreSQL, MongoDB, Redis Scalable and secure architecture (microservices preferred) Secure wallet and affiliate system Full source code and technical documentation required Who Should Apply Proven experience in building custom real-time communication platforms Strong knowledge of WebRTC internals, RTP/RTCP, and signaling Experience with media servers and real-time streaming Experience with wallet, fintech, or affiliate systems Strong DevOps a...

    $1712 Average bid
    $1712 Oferta medie
    106 oferte

    ...CISCO LTD July 2025 - Now Project Description: RAIDN is an enterprise-grade project portal developed for CISCO to manage, monitor, and streamline internal project workflows, data processing, and user interactions across multiple teams. The platform is built using a microservices architecture to ensure scalability, high availability, and performance. Roles & Responsibilities: Designed and developed scalable backend microservices using Java and Spring Boot, following RESTful and domain-driven design principles. Implemented microservices architecture with inter-service communication and centralized configuration. Developed event-driven workflows using Apache Kafka for asynchronous data processing and system decoupling. Integrated Redis caching to improve applicatio...

    $10 / hr Average bid
    $10 / hr Oferta medie
    14 oferte
    Microservices E-commerce Web & Apps
    2 zile left
    Cont confirmat

    ...with clear README and environment files so I can spin up the stack locally via Docker. • CI/CD pipeline to a cloud provider of your choice; I’m fine with AWS, GCP, or Azure as long as deployments are automated and rollback is simple. • Thorough API and end-to-end testing; automated test coverage is a must for critical flows like payments and authentication. Deliverables 1. Source code for all microservices, web front-end, and both mobile apps. 2. Database schema scripts or IaC templates. 3. API documentation (OpenAPI/Swagger preferred). 4. Build, deployment, and release notes. 5. A short handover session to walk through the repo and CI/CD pipeline. If you’ve shipped production-grade microservice stacks and can get sleek, stable apps onto both App Store and...

    $240 Average bid
    $240 Oferta medie
    41 oferte

    ...application. 4) User authentication and authorization. 5) Integration with standard third-party services: a) Payment gateways. b) Messaging and notification services. c) Identity verification and digital signature services (optional for MVP). 6) Logging, error handling, and baseline security best practices. Preferred technologies (not exclusive) 1) Backend: Node.js and/or Python. 2) Modular or microservices-based architecture. 3) Relational database (PostgreSQL or equivalent). 4) Cloud infrastructure (AWS, GCP, or similar). 5) Use of widely adopted third-party services for payments, communications, and identity. What we are requesting - Cost estimation for: a) Backend MVP development. b) A technical foundation prepared for functional and technical scaling. - Estimated delivery ...

    $2398 Average bid
    $2398 Oferta medie
    153 oferte

    ...architecture, train it end-to-end, and fine-tune until we hit 90-95 % word-level accuracy on my validation set. Please incorporate best-practice techniques such as mixed-precision training, hyper-parameter tuning jobs, and automatic model versioning so we can reproduce results later. Finally, the trained model must be packaged as a SageMaker endpoint that plugs directly into my existing microservices (REST/JSON). Provide concise, commented inference code and a brief deployment guide so my team can move it into production with minimal friction. Deliverables • Data preprocessing scripts/notebooks (Python, boto3, SageMaker SDK) • Training and tuning jobs with logs and metrics captured in CloudWatch • Trained model artifact and deployed real-time endpoint ...

    $2318 Average bid
    $2318 Oferta medie
    76 oferte

    I’m expanding a cloud-native platform and need a hands-on Java specialist who can comfortably navigate our AWS stack while lending light support to the React front-end and a couple of Python utilities. Core work will revolve around building and optimising Java microservices that run in Lambda, interact with API Gateway, DynamoDB, and S3, and expose clean, well-tested endpoints to the React client. Alongside the usual feature work, we’re beginning to weave in basic AI functionality—simple model inference, small-scale data pipelines, and a bit of NLP where it makes sense—so any prior experience wiring up popular ML frameworks or hosted AI APIs will put you ahead of the curve. If you decide to apply, point me to past projects that show: • Solid Java engin...

    $3 / hr Average bid
    $3 / hr Oferta medie
    13 oferte

    ...Natural Language Processing and automated data extraction. The proof of concept works; now I need a seasoned technical leader to turn it into a secure, scalable SaaS. You will own the high-level architecture and guide a small engineering team so that every layer—from model serving to front-end delivery—can grow without drama. Cloud-agnostic design, container orchestration, CI/CD pipelines, microservices or modular monoliths: I’m open to whatever will give us low latency, predictable costs, and clean deployment workflows, provided we end up with true end-to-end encryption for all customer data, both at rest and in transit. Key areas where I need your expertise • Selecting and refining our NLP stack (e.g., spaCy, Hugging Face Transformers, RAG approaches) a...

    $21 / hr Average bid
    $21 / hr Oferta medie
    93 oferte

    Need Java Backend engineer with AWS experience To design few microservices, highly scalable and available

    $609 Average bid
    $609 Oferta medie
    43 oferte

    ...complex past projects, and explain architectural decisions with extreme confidence and clarity. Key Requirements: - Native or Bilingual English: You must be able to articulate complex technical concepts fluently and persuasively. - Deep Engineering Background: Real-world experience with [Java/Spring, Node.js, Python, or AWS...etc]. You must know how to discuss trade-offs (e.g., SQL vs. NoSQL, Microservices vs. Serverless). - Architectural Fluency: Ability to speak about system design, scalability, and security as if you built the systems yourself. - Confidence: Ability to handle high-pressure technical discussions and "own the room" during a call. What you will do: - Review our project requirements and internal documentation. - Join technical calls as a representati...

    $4741 Average bid
    $4741 Oferta medie
    46 oferte

    I'm seeking an expert to troubleshoot Keda and Kafka issues with scalability solutions in my microservices architecture. We are working with transaction data streams. Key Requirements: - Design and implement Keda-based autoscaling for Kafka consumers. - Optimize Kafka setups for high throughput and low latency. - Ensure robust handling of transaction data streams. - Collaborate to integrate solutions within existing microservices. - Document the architecture and provide a knowledge transfer session. Ideal Skills and Experience: - Strong experience with Keda, Kafka, and microservices. - Proficiency in cloud-native architectures. - Solid understanding of transaction data processing. - Excellent documentation and communication skills. Your expertise will help en...

    $14 / hr Average bid
    $14 / hr Oferta medie
    5 oferte

    ...fit for treatment approve them, Manage payments, and Patients and their care takers /companion / relatives / etc receive our personal accompanied guided support from us and all ancillary services towards treating patients / customers / End user. We need an experienced full-stack Developer or Full stack developer team to deliver our minimal viable product (monolithic build, later scalable to microservices on iteration) * Patient Onboarding(5-step wizard, document uploads, consents) * Admin Dashboard (case triage, role-based access, messaging, Wallet amount disbursals, In app notifications , Whatsapp notifications, Email notifications) * Multi-Currency Wallet (via Razorpay/Stripe/Paytm, patient deposits only, no access of wallet amount withdrawal) * Provider Onboarding ( interest...

    $599 Average bid
    $599 Oferta medie
    169 oferte

    I’m looking to get a production-ready DevOps foundation in place for a microservices-based product. The immediate priorities are: • CI/CD pipeline setup – automated build, test and deploy flows that can promote services from feature branch to production with minimal manual touchpoints. • Infrastructure as Code – reproducible, version-controlled environments. I’m happy to work with Terraform, CloudFormation or a similar IaC tool if you have a strong preference. • Monitoring & Logging – service-level metrics, aggregated logs and alerting so we can spot issues before users do. Prometheus, Grafana, ELK, or comparable stacks are all acceptable. I will provide access to the cloud accounts and repositories; you bring the expertise to d...

    $157 Average bid
    $157 Oferta medie
    40 oferte

    ...role for someone who can design scalable AI pipelines, ship fast, and think like a system architect. -What You Will Build AI pipelines that analyze recorded conversations (speech → text → structured insights) LLM-based systems for summarization, classification, objection detection, and recommendations RAG pipelines with embeddings, vector search, reranking, and evaluation Scalable FastAPI microservices for AI inference Cost-efficient and low-latency LLM workflows Production-ready systems with monitoring, evals, and performance optimization -Required Experience We are only looking for candidates with real production AI experience, including: Python + FastAPI LLM APIs (OpenAI / Claude / Gemini) RAG pipelines (embeddings, vector DBs, retrieval optimization) Experience sh...

    $530 Average bid
    $530 Oferta medie
    79 oferte

    ...traditional finance module** * **On-chain insurance pool (AQEL)** and **on-chain trust pool (AQEF)** * Node Seat–based **revenue sharing** * Full **AML / compliance monitoring** * Advanced **real-time data visualization and transparency** --- ## **3. Overall Technical Scope** ### **3.1 Mandatory Architecture Requirements** Bidders must propose a production-grade architecture covering: * Backend: Microservices architecture (Java / Go / Node.js acceptable; rationale required) * Frontend: Web (React or Vue); Mobile optional * Real-time data: WebSocket * Event streaming: Kafka or equivalent * Databases: MySQL / PostgreSQL + Redis * Blockchain: EVM-compatible (NFTs, tokens, on-chain events) * Security: RBAC, audit logs, AML integration * Deployment: Docker-based CI/CD --...

    $38407 Average bid
    $38407 Oferta medie
    92 oferte

    Project Context: We are an EdTech/Streaming platform with a solid backend built in NestJS (Microservices). The code was recently audited and rated 8/10 in quality. However, we are facing critical issues with the production environment, video processing speed, and the user interface. The Mission (Fixed Price Contract): We are looking for a Senior Expert to take over, clean the server mess, optimize video processing, and launch a new UI. Scope of Work (5 Key Pillars): 1. Server Rescue & Data Safety (CRITICAL PRIORITY): Access the live server (SSH) and clean up the chaotic Docker/Nginx configurations left by the previous dev. Map Existing Data: We have 60TB of HLS video data on the server. You must map this volume correctly to the new Docker containers so the platform works wi...

    $2112 Average bid
    $2112 Oferta medie
    173 oferte

    ...has spent five or more years writing and refining playbooks—to take full ownership of our automation layer. All of our workloads sit in an on-premises environment, and your mission is to turn the provisioning, configuration, patching, and deployment of those systems into a fully reproducible, Jenkins-driven process. What you will be working on • Web servers, database servers, and a growing microservices stack that includes MongoDB and ELK. • Creation and maintenance of reusable roles, dynamic inventories, and supporting shell/YAML scripts. • Tight integration of these playbooks with our existing Jenkins pipeline so every commit can be tested, linted, and promoted seamlessly through dev, test, and prod. • Continuous optimisation and troubleshooti...

    $22 / hr Average bid
    $22 / hr Oferta medie
    9 oferte

    I need to build a travel booking platform with three user roles: Traveler (User) Operator Admin The system should be secure, scalable, and built with modern technologies. Backend Architecture: Microservices User Service Operator Service Admin Service Base/Common Service Tech Stack: Java 17 or 21 Spring Boot 3.x Maven REST APIs Database: PostgreSQL Cache: Redis (sessions, OTP, caching) Search: Elasticsearch (optional) DB Migration: Flyway or Liquibase (optional) Authentication & Security JWT authentication Spring Security Role‑based access (User, Operator, Admin) Password hashing (BCrypt) OTP / MFA Account lockout & password policies CORS configuration API keys for third‑party integrations Features by Role (Web) Signup / Login Create travel enquiries View booking his...

    $419 Average bid
    $419 Oferta medie
    67 oferte

    ...Design and implement prioritized ERP modules, including: Sales automation E-commerce HR management CRM features (contacts, pipelines, ticketing) Design and expose clean, well-documented REST APIs to support future integrations. Integrate AI-driven features such as demand forecasting, lead scoring, and support ticket triage using tools and frameworks you’re comfortable with (e.g., Python microservices, TensorFlow, OpenAI, or similar), ensuring seamless integration with the core stack. Guide and collaborate with developers who are newer to AI, helping establish best practices and workflows. Ensure strict tenant isolation, security, and scalability across the platform. Own the cloud delivery pipeline, including AWS deployment, Docker containerization, CI/CD pipelines,...

    $21 / hr Average bid
    $21 / hr Oferta medie
    264 oferte

    ...just a copy of WordPress". I need to verify if this is true or false. The Tech Stack (Based on the Repo): Architecture: Microservices (API, Media API, Video Processing Worker, Storage Server). Backend: NestJS (TypeScript), TypeORM. Frontend: , React, Tailwind CSS. Database: PostgreSQL. DevOps: Docker, Docker Compose, PM2. Your Task: I will provide you access to the GitHub repository. You need to: Review the Code Structure: deeply analyze the back and front folders. Analyze the Database Schema: Verify if the database is properly designed using TypeORM entities or if it's truly a "messy dump" from a CMS. Check the Architecture: Evaluate the microservices setup (specifically the lms-processing-worker and storage-server). Try to Run it (Optional ...

    $171 Average bid
    $171 Oferta medie
    137 oferte

    ...is a "Master Developer" role where you will be responsible for the architecture, security, and deployment of multiple projects within our roadmap. The Roadmap: • Phase 1: Finalize backend and native mobile integration for a high-fidelity media platform (Full frontend and "Engineering Cannon" documentation provided). • Ongoing: Development of additional mobile and web applications, shared microservices, and proprietary internal tools. Required Master-Level Skills: • Full-Stack Mastery: React, TypeScript, and Node.js. • Database & Scale: Deep expertise in Supabase, PostgreSQL, and real-time data sync. • Mobile Excellence: Experience with Capacitor or React Native to deploy high-performance iOS/Android apps from a single codebase. &...

    $217 Average bid
    Acord de confidenţialitate
    $217 Oferta medie
    97 oferte

    I need a seasoned DevOps engineer to take a green-field microservices application all the way from code to production on AWS. The core of the assignment is threefold: stand up a resilient Kubernetes environment, wire it into GitLab CI for automated build-test-deploy flows, and layer in robust monitoring from day one. Here’s how I picture the engagement progressing: • Kubernetes on AWS – whether you lean on EKS or a fully-managed kops setup, the cluster must be production-ready with auto-scaling, self-healing nodes, and sensible IAM roles. • GitLab CI pipelines – every commit should trigger unit tests, container image builds, vulnerability scans, and a staged rollout to dev, staging, and prod namespaces with clear promotion gates. • Monitoring &am...

    $627 Average bid
    $627 Oferta medie
    39 oferte

    ...Architecture: concurrent background agents performing discovery, applications, and publishing tasks - AI/ML Integration: LLM-powered Q&A generation, merchant communication, and intelligent form filling - Browser Automation: Playwright/Puppeteer for robust multi-page workflows - Real-Time Dashboard: React/ frontend with <3 second load times for 10k+ records - Scalable Backend: Node.js/Python microservices architecture - Comprehensive API: RESTful APIs for all core functionality and third-party integrations Essential Requirements Must Have: - Fluent in English (written and verbal communication is critical) - Master Automation Specialist with proven experience in: - Browser automation (Playwright, Puppeteer, Selenium) - Web scraping and data extraction - Form automat...

    $2363 Average bid
    $2363 Oferta medie
    303 oferte

    ...Technical Requirements • Frontend: React Native or Flutter (Cross-platform iOS & Android). • Backend: Node.js, Python (Django/FastAPI), or Go. • Database: PostgreSQL with Supabase or Firebase for real-time features. • Integrations: * Identity: Saudi Nafath (SSO) or Mobile OTP. • Payments: Local gateways (Mada, Apple Pay, STC Pay). • Maps: Google Maps API or Mapbox. • Architecture: Scalable microservices with a focus on real-time booking concurrency. 5. Design Aesthetic • Style: Saudi-Futurism. • UI: Dark mode by default, minimalist cards, neon accents, and smooth haptic-feedback interactions. • Tone: Energetic, premium, and culturally relevant. 6. Deliverables 1. Source code for Mobile App (iOS & Android). 2. Backend API &...

    $180 Average bid
    $180 Oferta medie
    89 oferte

    I run a FastAPI-based platform written in Python that has grown to 20+ Dockerised microservices backed by Postgres and instrumented with Datadog. Because I pushed features out quickly, the architecture around service-to-service communication is now the bottleneck: latency spikes, inconsistent data across services, and brittle error-handling paths are starting to show up in production. The first milestone is a thorough architectural walkthrough focused on those three pain points. I need a concise report (code-level findings, diagrams, and clear next-step recommendations) plus a call where we walk through your proposed refactor or redesign. If you can also outline any quick wins that unblock us while the bigger changes are underway, that’s a bonus. Once we have a solid...

    $53 / hr Average bid
    $53 / hr Oferta medie
    51 oferte

    I’m looking for a seasoned consultant who can jump straight into our C#/ASP.NET stack, untangle a few legacy knots, and re-architect the backend into clean, scalable microservices. The immediate priorities are twofold: solid backend development and the introduction of AI-driven automation that adds real business value. Here’s what the engagement will cover: • Backend evolution: refactor existing code, design new APIs, and ensure the services are container-ready so we can run them smoothly in Docker and orchestrate with Kubernetes later. • AI workflow creation: weave OpenAI and LangChain into core processes—think intelligent data extraction, conversation agents, or smart decision support—while keeping performance and security front-of-mind. &bu...

    $148 Average bid
    $148 Oferta medie
    61 oferte

    I need a Dynatrace-driven, end-to-end observability framework rolled out across several AWS-hosted microservices. The goal is to move from scattered point checks to a single, actionable view that covers infrastructure, runtimes, and user-facing performance. Scope • Instrument every workload that lives on AWS—EC2 instances, container clusters, Lambdas, managed databases, you name it—so that Dynatrace captures golden signals automatically. • Create service topology maps that make call chains and dependencies obvious at a glance. • Design production-ready dashboards focused on CPU / memory usage, response times, and error rates; the layout must let engineers trace an issue from high-level SLO status straight down to the offending log line. • Def...

    $113 Average bid
    $113 Oferta medie
    6 oferte

    I’m ready to start a green-field backend built in Java 17+ with Spring Boot. The goal is a production-ready, event-driven microservice suite that exposes well-designed REST APIs, integrates with MySQL, and is easy to scale and maintain. Here’s the core of what I need you to handle: • Design and i...at hand-off: • Source code in a Git repository with clear commit history • SQL migration scripts for the freshly designed schema • Postman or similar collection covering every endpoint • A concise README outlining setup, run, and deployment steps I value frequent check-ins, thoughtful technical decisions, and pragmatic timelines. If you have experience delivering similar Spring Boot microservices with MySQL and event-driven messaging, let&rsquo...

    $10 / hr Average bid
    $10 / hr Oferta medie
    34 oferte

    I’m ready to start a green-field backend built in Java 17+ with Spring Boot. The goal is a production-ready, event-driven microservice suite that exposes well-designed REST APIs, integrates with MySQL, and is easy to scale and maintain. Here’s the core of what I need you to handle: • Design and i...at hand-off: • Source code in a Git repository with clear commit history • SQL migration scripts for the freshly designed schema • Postman or similar collection covering every endpoint • A concise README outlining setup, run, and deployment steps I value frequent check-ins, thoughtful technical decisions, and pragmatic timelines. If you have experience delivering similar Spring Boot microservices with MySQL and event-driven messaging, let&rsquo...

    $2 / hr Average bid
    $2 / hr Oferta medie
    24 oferte

    ...Hands-on experience with AI/LLM integration (OpenAI, LangChain, Claude, NLP, RAG) - Solid understanding of FinTech systems, payments, and secure data handling - Experience with PostgreSQL, MongoDB, Redis - Cloud experience with AWS, Docker, CI/CD - Strong system design and problem-solving skills Nice to Have - Experience with fraud detection, risk analysis, or financial analytics - Knowledge of microservices and event-driven architecture - Familiarity with Kubernetes and advanced cloud scaling strategies What We Offer - Opportunity to build a cutting-edge AI-powered FinTech product - Flexible, consultant-friendly engagement - Long-term collaboration with ongoing enhancements - Competitive compensation based on expertise and impact Ideal Candidate A consultant who can own th...

    $29 Average bid
    $29 Oferta medie
    54 oferte

    ...experience in IT sales / business development Digital marketers, consultants, or referral partners Anyone with strong professional networks in tech, startups, or businesses Freshers with good communication skills and confidence are also welcome Our Software Development Services We specialize in delivering high-quality, scalable, and custom IT solutions, including: Java / Spring Boot Development Microservices Architecture Web Application Development Mobile Application Development (Android & iOS) AI / ML Integrations React & Angular Frontend Development Custom Enterprise IT Solutions We work with modern technologies and follow best industry practices to deliver reliable and secure software. Why Partner With Us? Strong technical team & proven delivery model Comp...

    $272 Average bid
    $272 Oferta medie
    2 oferte

    ...large-scale, production-grade digital commerce are seeking highly skilled backend developers to design and implement the complete backend microservices architecture. This engagement is not a small website or a prototype. It is a long-term, enterprise-level platform that will power customer applications, driver operations, admin systems, inventory flows, order lifecycles, payments, and real-time delivery tracking. The backend APIs will be the core foundation of the entire business. The backend system must be developed strictly using Java and the Spring ecosystem (Spring Boot, Spring Security, Spring Data, Spring Cloud where required) and follow a microservices-based architecture. All services will communicate through secure, well-documented REST APIs, using internal JWT-b...

    $122 Average bid
    $122 Oferta medie
    29 oferte

    Title: Technical Architect / Solution Architect – Architecture & Design (MVP Platform) We are looking for an experienced Technical Architect / Solution Architect to design the system architecture and provide detailed technical documentation for MVP delivery. Scope / Responsibilities: • Create High-Level Architecture (HLD) and Low-Level Design (LLD) • Define service boundaries / modular design (microservices or modular monolith) • Design database schema (PostgreSQL preferred) • Define REST API contracts (OpenAPI preferred) • Security design: OAuth2/JWT, RBAC, encryption, audit logs • Event-driven design (Kafka or equivalent) for notifications/workflows • AWS architecture recommendation (ECS/EKS, RDS, S3, Redis, OpenSearch) • Non-funct...

    $529 Average bid
    $529 Oferta medie
    72 oferte

    My kids’ book-reading app is already live on Google Play, but its current backend ... 2. A responsive admin panel (your choice of React, Angular, or Thymeleaf) tightly coupled to the API 3. Secure data layer (JPA/Hibernate with PostgreSQL or a data store you can justify) 4. Docker-ready deployment scripts plus basic CI/CD instructions 5. Clear README and endpoint documentation that my mobile team can plug into immediately I’m open to your architectural suggestions—microservices, monolith, or hybrid—so long as they keep hosting costs sane while giving us room to grow. If you have previous work with children’s content or media-rich apps, point me to it and tell me how you handled scale and security. Looking forward to seeing how you would stru...

    $96 Average bid
    $96 Oferta medie
    26 oferte
    MERN App Deployment on AWS
    S-a încheiat left

    I’ve finished building a MERN-stack web application and now need it running smoothly in the AWS cloud. I don’t have any of the cloud pieces i...subnets, security groups, an application load balancer and HTTPS via ACM. • Automate deployment (GitHub Actions or similar) so each commit flows through to ECS with zero-downtime. • Store environment variables securely in Parameter Store or Secrets Manager. • Provide a concise hand-over document so I can replicate the workflow for future updates. It’s a straightforward web application—no microservices yet—so a single ECS service per container is fine, but I’m open to your best-practice suggestions. Please let me know your anticipated timeline, any AWS tooling you prefer, and a brief n...

    $253 Average bid
    $253 Oferta medie
    53 oferte

    ...Type: Contract Start Date: ASAP Tech Stack Node.js TypeScript Google Cloud (GCP) Docker Role Overview We’re looking for a Node.js / TypeScript Developer to help build and maintain backend services and APIs on Google Cloud. You will work on scalable microservices with guidance from senior engineers, focusing on code quality, performance, and reliability. This is a hands-on backend role with room to grow. Key Responsibilities Develop and maintain backend services using Node.js and TypeScript Build and support REST APIs and microservices ( / NestJS) Deploy and manage services on Cloud Run, Cloud Functions, or GKE Add and maintain logging, monitoring, and basic metrics Help improve performance, scalability, and reliability Follow security best practices (PII handl...

    $20 / hr Average bid
    $20 / hr Oferta medie
    148 oferte

    Platform Architecture Requirement The system must be enterprise-grade, scalable, and secure. Preferred Tech Stack (Must Have) Mobile App: Flutter (Preferred) / React Native Single codebase for Android & iOS Backend: Node.js (NestJS / Express) Microservices-ready architecture Database (Large Data Handling): PostgreSQL / MySQL (Primary – structured data) MongoDB (User activity, logs, flexible schemas) Redis (Caching, sessions, high-speed reads) Cloud & Infra: AWS / GCP / Azure Auto-scaling enabled Load balancer + CDN Object storage (AWS S3 equivalent) Admin & Franchise Panels: Web-based dashboard (React / Angular) Role-based access control Key Functional Requirements Franchise Model Support Central Admin (Super Control) Franchise Admin (City / Zone wise) Franchise-...

    $370 Average bid
    $370 Oferta medie
    35 oferte

    ...access control baked in from the start, so I can assign roles and protect both controllers and individual actions with ease. • A custom authentication mechanism (no OAuth or JWT this time) that still follows best practices—salted hashing, token-based email confirmations, lock-outs on repeated failures, etc. • Clear, concise documentation so another developer can plug this module into future microservices without confusion, plus a short README that walks me through local setup and key extension points. • Unit- and integration-test projects proving that registration, login, role checks and password reset flows behave exactly as intended. Target framework is the latest stable .NET release; please keep the code idiomatic, leverage dependency injection and ...

    $255 Average bid
    $255 Oferta medie
    45 oferte

    ...COD controls and automated settlements Multi-channel notifications (SMS, WhatsApp, push) Analytics dashboards for performance, cost, and revenue insights Users of the Platform Platform administrators Brands and business owners Delivery riders Fleet and operations managers Finance and accounts teams External logistics partners Technology Vision The platform will be built on a modern microservices architecture, using scalable cloud infrastructure, secure authentication, real-time communication, and compliance with India’s data protection regulations. Expected Outcome A robust, future-ready logistics platform capable of supporting hundreds of brands and high-volume daily orders, designed for long-term scalability, ecosystem integrations (including ONDC), and enter...

    $11599 Average bid
    $11599 Oferta medie
    69 oferte

    ...and phrasing so a single version serves Indian job portals (Naukri, LinkedIn India, etc.) and U.S. boards (Indeed, Dice, LinkedIn U.S.). • Optimise all sections—headline, professional summary, skills matrix, experience bullets, education, and certifications—for automated parsing without losing human appeal. • Align keyword density with current backend hiring trends (e.g., RESTful APIs, microservices, Spring/Spring Boot, cloud deployment) while avoiding over-stuffing. • Deliver two polished formats: editable DOCX/Google Docs and print-ready PDF. Input I will provide 1. Existing résumé and/or raw career notes. 2. Key projects, metrics, and any extra achievements I want showcased. Acceptance criteria • ATS scan (I will run ...

    $9 Average bid
    $9 Oferta medie
    11 oferte

    Our Jenkins instance is already up and running and our codebase is split into several microservices. What’s missing is an airtight, fully automated deployment flow. Your sole focus will be deployment automation: from a successful merge to a live, versioned microservice with no manual intervention. You’ll be creating and refining Jenkinsfiles that handle build, test, container image tagging, registry pushes, and the final deploy job. The existing monitoring hooks and general pipeline scaffolding are in place, so you can zero in on the rollout logic and reliable rollback. Deliverables • Production-ready Jenkinsfile (or shared library) for each microservice • Parameterised Jenkins jobs wired to our Git repo • Concise runbook covering deployment steps, r...

    $293 Average bid
    $293 Oferta medie
    13 oferte

    ...Cloud using best practices. • Power Platform solutions, enterprise integration strategies, and Azure-native applications. • Azure Data Factory (ADF), Data Fabric and advanced data processing architectures to support analytics and decision-making. • Power Platform (Power Apps, Power Automate, Power BI) to drive automation and business productivity. • Support the design and implementation of microservices-based architectures and containerized workloads. • Ensure best practices for data integration, API development, and real-time data streaming. • build and optimize CI/CD pipelines using Azure DevOps and GitHub Actions. • Promote infrastructure-as-code (IaC) principles and automation for cloud deployments. • Support FinOps initiatives...

    $15 / hr Average bid
    $15 / hr Oferta medie
    18 oferte
    Matrimony Platform
    S-a încheiat left

    ...probability prediction Subscription upsell recommendations 2. Sales Assistant Bot Automated WhatsApp/email follow-ups Personalized offers Abandoned checkout recovery 3. Revenue Intelligence Pricing optimization Churn prediction Campaign effectiveness tracking 4. Fraud & Risk AI Fake account detection Payment risk scoring Behavioral anomaly detection 4. Backend & AI Architecture Microservices architecture ML pipelines Model training & retraining Feature store Real-time inference APIs Model monitoring 5. AWS Cloud Architecture Core Services EC2 / ECS / EKS RDS DynamoDB (optional) S3 Lambda API Gateway CloudFront Load Balancer Route53 AI Services Amazon SageMaker Bedrock (GenAI chatbot) Rekognition (photo quality check) Comprehend (sent...

    $387 Average bid
    $387 Oferta medie
    35 oferte

    ...components. Key Responsibilities Legacy Migration: Lead the migration of existing .NET Framework applications to modern .NET Core/ .NET 8+ environments, optimizing for cloud readiness. Frontend Development: Architect and develop responsive, component-based UIs using React 18/19 and modern state management (Redux Toolkit, Zustand). API Design: Build and maintain scalable RESTful APIs and microservices using C# and ASP.NET Core. Database Management: Perform data modeling and performance tuning for SQL Server and Entity Framework Core. Code Quality: Conduct deep-dive code reviews, implement unit testing (xUnit/NUnit), and ensure high standards of maintainability. Collaboration: Work directly with the project owner to translate business requirements into technical execution pl...

    $18 / hr Average bid
    $18 / hr Oferta medie
    49 oferte

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