LangChain Experts For Hire
Showing 86 results
Sponsored Freelancers
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Hire Beannsofts
As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy...As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud! less -
Hire DeMit19
Full-Stack Developer specializing in web applications, APIs, cloud systems, CMS platforms, automation, and IoT/device-to-cloud integrations. I build and maintain production applications across the frontend, backend, infrastructure, CMS, and integration layers. My work includes SaaS platforms, business websites,...Full-Stack Developer specializing in web applications, APIs, cloud systems, CMS platforms, automation, and IoT/device-to-cloud integrations. I build and maintain production applications across the frontend, backend, infrastructure, CMS, and integration layers. My work includes SaaS platforms, business websites, e-commerce systems, real-time applications, automation workflows, API integrations, cloud deployments, and IoT telemetry systems. **Core Development** * Frontend: React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS * Backend: Node.js, PHP, REST, GraphQL, WebSockets * CMS & E-commerce: WordPress, WooCommerce, Shopify, Webflow, Strapi, Contentful, Sanity, Headless CMS, custom themes, plugin development, Elementor, Gutenberg, WP REST API * Databases: PostgreSQL, MySQL/MariaDB, Firebase/Firestore, DynamoDB * Cloud & DevOps: AWS, GCP, Azure, Docker, CI/CD, GitHub Actions * Automation: Python, n8n, Make, Zapier, webhooks, API integrations * IoT: MQTT, HTTP/REST, sensor integration, telemetry, edge processing, device provisioning, OTA workflows, IoT dashboards I can work across an existing codebase or take a feature from architecture through implementation, testing, deployment, and documentation. For projects involving external systems, I focus on clear API boundaries, reliable error handling, authentication, logging, monitoring, and reproducible deployments. Portfolio: https://dejan-mitrovic.vercel.app/ less -
Hire elvirt
Senior full-stack dev (React Native/Flutter + Shopify + AI). I build cross-platform mobile apps, custom Shopify solutions, and embed intelligent features like recommendations, search, and chatbots. Strong communicator, accurate estimator, and team mentor. Let's build something great.Senior full-stack dev (React Native/Flutter + Shopify + AI). I build cross-platform mobile apps, custom Shopify solutions, and embed intelligent features like recommendations, search, and chatbots. Strong communicator, accurate estimator, and team mentor. Let's build something great. less -
Hire musfirali1
Most freelancers build what you ask for. I build what actually solves the problem. Five years across full stack development, branding, and UI/UX design means I can look at your business, figure out what it actually needs, and deliver it end to end without you managing three people who don't talk to each other....Most freelancers build what you ask for. I build what actually solves the problem. Five years across full stack development, branding, and UI/UX design means I can look at your business, figure out what it actually needs, and deliver it end to end without you managing three people who don't talk to each other. Whether you know exactly what you need or just know something isn't working, here's where I can help: ⚙️ Development & Automation: Custom Web & Mobile App Development Laravel & Node.js Backend Development REST API Development & Third-Party Integration Workflow Automation (Zapier, Make, API-based) Cloud Deployment — AWS, GCP, Azure 🎨 Branding & Graphic Design: Logo & Brand Identity Design Brand Strategy & Guidelines Print & Marketing Collateral Packaging & Merchandise Design Digital & Social Media Design Publication & Layout Design 🖥️ UI/UX & Digital Design: UI/UX Design & Prototyping (Figma) User Research & Wireframing SaaS Dashboard & Web App Design Mobile App UI Design Figma to HTML / React Conversion 🔧 Stack: Laravel, Node.js, Python, PHP, ASP.NET, C#, React.js, PostgreSQL, AWS, GCP, Azure, Docker, Figma, Adobe CC. What Working With Me Looks Like: No surprises on scope, no missed deadlines without warning, no jargon to avoid a straight answer. You get someone who asks why before asking how. Hit "Hire" or "Chat" and we'll figure out in one conversation if I'm the right fit. less -
Hire EbiAraz
Skills: Programming: Python, C++, Java, JavaScript AI & ML: TensorFlow, PyTorch, Scikit-learn, NLP, MLOps, DevOps, CI/CD-DevOps Web Development: Node.js, Express, React, HTML, CSS, SQL-Lite APIs: OpenAI API, REST API, FAST API Tools: Git, Linux, Docker, VS Code I :: Design and develop AI-assisted applications from...Skills: Programming: Python, C++, Java, JavaScript AI & ML: TensorFlow, PyTorch, Scikit-learn, NLP, MLOps, DevOps, CI/CD-DevOps Web Development: Node.js, Express, React, HTML, CSS, SQL-Lite APIs: OpenAI API, REST API, FAST API Tools: Git, Linux, Docker, VS Code I :: Design and develop AI-assisted applications from concept to deployment, Build clean, maintainable Python and C++ backends and data workflows. Create dashboards that make mission-critical information easy to act on, Translate business and operations needs into scalable technical systems. Github Profile: https://github.com/EbiAraz less -
Hire aidevbyainika
aidevbyainika aidevbyainika
$20 USD / hour
Full Stack AI & Python Developer | Email MarketingBangladesh🐍 Unified AI, ML, Automation & SaaS Builder | Python Python is at the heart of what I build — from AI-powered software and SaaS platforms to business automation, intelligent agents, APIs, and modern web applications. I help startups, agencies, and businesses turn ideas into secure, scalable, practical software...🐍 Unified AI, ML, Automation & SaaS Builder | Python Python is at the heart of what I build — from AI-powered software and SaaS platforms to business automation, intelligent agents, APIs, and modern web applications. I help startups, agencies, and businesses turn ideas into secure, scalable, practical software solutions, while also helping them build professional email marketing, cold outreach, and automation systems. 🤖 SOFTWARE DEVELOPMENT • Full-Stack Python Development • Custom SaaS & Web Applications • AI Agents, Chatbots & AI Voice Agents • REST APIs with FastAPI & Django • Business Process Automation • CRM & ERP Development • Web Scraping & Data Extraction • AI/ML, LLM, RAG & Vector Database Solutions • Cloud Deployment, Docker & DevOps • Self-hosted AI & Automation Systems Core stack: Python, Django, FastAPI, PostgreSQL, Redis, Celery, Temporal, Docker, Nginx, Node.js, Next.js, React Native, LangChain, LangGraph, Pinecone, RAG, Playwright, PyTorch, TensorFlow, Scikit-learn, NLP, OCR, OpenCV, Hugging Face, n8n, Zapier and Make.com. I prefer practical solutions with the right technology and minimize unnecessary third-party dependencies where possible to improve control, scalability, security and long-term costs. 📧 EMAIL MARKETING & AUTOMATION I also provide Email Marketing, Cold Outreach & Email Automation for startups, SaaS, eCommerce businesses, agencies, healthcare and service companies. Services: • Email marketing automation • Cold email campaigns & outreach • CRM audit & workflow automation • Multi-step email sequences • Trigger & condition-based workflows • Audience segmentation • Campaign scheduling • Abandoned-cart & retention flows • API & webhook integrations • Responsive HTML email templates Platforms: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, GoHighLevel, Brevo, Zoho, Apollo, Shopify, Salesforce, Zoho CRM, Monday.com, Airtable, Calendly, WooCommerce and Stripe. 🌎 REAL CLIENT EXPERIENCE Although I am new to Freelancer.com, I am not new to the work. I am currently working with several clients, including clients and agencies in the USA and UK, on Software/SaaS Development and Email Marketing & Automation projects. I have real-world experience with business requirements, production workflows, client communication and long-term collaboration. 🚀 I am a quick learner. If your project requires a technology, framework, platform or workflow I have not used before, I am ready to learn it and apply it professionally. 🤝 WHY WORK WITH ME? ✅ Full-cycle development: Plan → Build → Deploy → Maintain ✅ Security-focused and scalable solutions ✅ One partner for software, automation and email marketing ✅ Dedicated communication and long-term collaboration ✅ Flexible engagement ✅ Continuous learning and adaptation ✅ Business-focused solutions Have a software, SaaS, AI, automation, email marketing or outreach project? Feel free to contact me. Let's build something valuable and grow together. less -
Hire megauravpanwar
megauravpanwar megauravpanwar
$35 USD / hour
AI Automation & Integration Specialist n8n AgentsIndiaSenior Full-Stack & AI Automation Architect | 14+ Yrs Exp (150+ Reviews) Need to automate complex business workflows, integrate AI agents, or build robust web/mobile applications without technical debt? Over the last 14 years, I have architected and deployed 150+ production-grade web platforms, custom APIs, and...Senior Full-Stack & AI Automation Architect | 14+ Yrs Exp (150+ Reviews) Need to automate complex business workflows, integrate AI agents, or build robust web/mobile applications without technical debt? Over the last 14 years, I have architected and deployed 150+ production-grade web platforms, custom APIs, and AI-driven automation workflows for businesses worldwide. 🤖 AI Automations & Agentic Workflows: • n8n, Make.com & LangChain Custom Workflow Automations • LLM & OpenAI / Claude API Integrations with Vector Databases (RAG) • Autonomous AI Chatbots & Customer Support Agents (WhatsApp, Telegram, CRM) • Automated Lead Parsing, Data Extraction & Webhooks 💻 Full-Stack Web & Mobile Architecture: • Web Applications: React.js, Next.js, Node.js, Express, MERN Stack • Mobile Development: React Native (iOS & Android) • CMS & Custom Portals: Advanced WordPress/WooCommerce Architecture, Custom Plugins & APIs • Databases & Cloud: PostgreSQL, MongoDB, Redis, Docker, AWS (EC2/S3/Lambda) ⚙️ How I Deliver Results: 1. Architectural Clarity: I map edge cases, data structures, and APIs before coding. 2. Clean, Documented Code: Zero shortcuts—everything is built for long-term scalability. 3. Transparent Delivery: Milestone-driven updates, clear screen walkthroughs, and fast turnarounds. Let's discuss your system architecture or automation flow. Send me a message to get started! less -
Hire jcrbahia
⭐⭐⭐⭐⭐ IA aplicada a negocios: agentes, RAG y automatización · Python backend Transformo "ideas con IA" en sistemas estables para PYMEs y agencias. Construyo y opero mis propios productos (LaiaDesk, NexoSmart), aplicando esa experiencia real a tu proyecto. Servicios: Agentes/copilotos para atención, ventas y...⭐⭐⭐⭐⭐ IA aplicada a negocios: agentes, RAG y automatización · Python backend Transformo "ideas con IA" en sistemas estables para PYMEs y agencias. Construyo y opero mis propios productos (LaiaDesk, NexoSmart), aplicando esa experiencia real a tu proyecto. Servicios: Agentes/copilotos para atención, ventas y back-office. RAG sobre tus datos con control de costes. Automatización (n8n, Make, Zapier) y workers a medida. Backend e integraciones (CRM, ERP, pagos, APIs). Stack: IA: Claude, OpenAI, Mistral, LangGraph, CrewAI. Backend: Python (FastAPI/Django), Node.js. Integraciones: HubSpot, Salesforce, Stripe, WhatsApp, Odoo, QGIS. Infra: AWS/GCP/Azure, Docker, CI-CD. Datos: PostgreSQL, MySQL, MongoDB, Redis. Metodología: Llamada previa para alinear alcance. Código documentado, pruebas críticas y manual de operación. Horario EU/Latam. Español e inglés. ¿Automatizar flujos o conectar sistemas? Hablemos 15 min. Applied AI for business: agents, RAG & automation · Python backend ⭐⭐⭐⭐⭐ I turn "AI ideas" into stable systems for SMEs and agencies. I build and operate my own AI products (LaiaDesk, NexoSmart), bringing that real-world experience to your project. Services: Agents/copilots for support, sales, and back-office. RAG pipelines over your data with cost control. Automation (n8n, Make, Zapier) and custom workers. Backend and integrations (CRM, ERP, payments, APIs). Stack: AI: Claude, OpenAI, Mistral, LangGraph, CrewAI. Backend: Python (FastAPI/Django), Node.js. Integrations: HubSpot, Salesforce, Stripe, WhatsApp, Odoo, QGIS. Infra: AWS/GCP/Azure, Docker, CI-CD. Data: PostgreSQL, MySQL, MongoDB, Redis. Methodology: Scoping call before quoting. Documented code, critical tests, and ops notes. EU/Latam hours. Spanish and English. Ready to automate or integrate? Let's talk for 15 min. less -
Hire ronakkataria1
I help businesses build production-ready AI solutions that deliver measurable results. With 8+ years of hands-on experience, I specialize in: - Agentic AI & Multi-Agent Systems: Autonomous AI workflows that plan, reason, and execute complex tasks - RAG & Enterprise Search: Scalable retrieval-augmented generation...I help businesses build production-ready AI solutions that deliver measurable results. With 8+ years of hands-on experience, I specialize in: - Agentic AI & Multi-Agent Systems: Autonomous AI workflows that plan, reason, and execute complex tasks - RAG & Enterprise Search: Scalable retrieval-augmented generation pipelines with vector databases (Pinecone, Milvus, FAISS) - Voice AI & Conversational Systems: Real-time STT/LLM/TTS pipelines with sub-second latency - LLMOps & MLOps: End-to-end platforms for fine-tuning (LoRA, PEFT), deployment, and lifecycle management - Multi-Cloud Architecture: Production solutions across AWS, Azure, GCP, Databricks & Snowflake What I bring to your project: - Delivered 30+ AI automation solutions with 40% productivity gains - Built enterprise platforms serving Fortune 500 clients with 99.9% uptime - Led 12-member engineering teams shipping production AI at scale - AWS & Azure certified: Solutions Architect - Associate, Machine Learning - Specialty, Cloud Practitioner, Azure AI-900 and AZ-900 I work with: GPT-4, Claude, LLaMA, LangChain, LlamaIndex, TensorFlow, PyTorch, and the full modern AI stack. Let's discuss how I can architect your next AI solution. less -
Hire mdmanouwer
I architect and deliver secure, scalable platforms across Drupal, WordPress/WooCommerce, cloud/DevOps and AI/LLM. With 14+ years of hands-on experience, I take ownership from solution architecture and development through infrastructure, security, performance, deployment and production support. My advantage is...I architect and deliver secure, scalable platforms across Drupal, WordPress/WooCommerce, cloud/DevOps and AI/LLM. With 14+ years of hands-on experience, I take ownership from solution architecture and development through infrastructure, security, performance, deployment and production support. My advantage is combining application engineering, cloud infrastructure and AI into one reliable production solution. Clients gain one senior technical partner instead of coordinating separate CMS, backend, DevOps and AI specialists. CORE SERVICES • Enterprise Drupal and WordPress architecture and development • Drupal 6–11 migrations, upgrades, custom modules and integrations • WooCommerce B2B/B2C stores, plugins, checkout and payments • AWS, Azure and GCP architecture, migration and optimization • Linux, Docker, Kubernetes, Terraform, Ansible and CI/CD • Core Web Vitals, Redis, CDN, database and server optimization • Security hardening, WAF, backups and disaster recovery • AI/LLM applications, RAG assistants, AI agents and automation,MCP • REST API, JSON:API, GraphQL, webhooks and system integrations • Analytics and SEO DRUPAL & WORDPRESS Drupal is my strongest and longest-running specialization. I work with PHP, Symfony, Composer, Drush, Twig, Views, Paragraphs, entities, Drupal Commerce, Search API, Apache Solr, Elasticsearch, headless Drupal, React, multilingual and multisite architecture. I am a Drupal Association member and Drupal core contributor. For WordPress and WooCommerce, I build custom themes, plugins, Gutenberg blocks, Elementor websites, B2B/B2C stores, payment and shipping workflows, API integrations and large product catalogues. I also handle migrations, malware recovery, performance and long-term support. CLOUD, DEVOPS & INFRASTRUCTURE I design and manage AWS, Azure, GCP, VPS, dedicated and on-premises infrastructure using Linux, Nginx, Apache, PHP-FPM, Docker, Kubernetes, ECS, Terraform, Ansible, GitHub Actions and Jenkins. My work covers IAM, SSL, DNS, WAF, monitoring, autoscaling, high availability, backups and disaster recovery. AI/LLM & FULL-STACK ENGINEERING I develop production AI applications using Python, FastAPI, OpenAI, Claude, Gemini, LangChain and LangGraph. Solutions include RAG, AI agents, document Q&A, semantic and hybrid search, embeddings, vector databases, MCP integrations, structured outputs, human approval, evaluation and observability. My broader stack includes PHP, Symfony, Laravel, Python, Node.js, React, JavaScript, MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch and OpenSearch. I communicate clearly, test carefully and deliver maintainable code, repeatable deployments and useful documentation. Available for enterprise builds, migrations, rescue projects, cloud modernization, AI integrations and long-term technical partnerships. less
