RxJS Specialists For Hire
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Hire devitmd98
devitmd98 devitmd98
$35 USD / hour
⭐ Software Engineer | Full-stack | Web & Mobile⭐Moldova, Republic ofHello ---- ---- ---- ---- ---- ---- ---- ---- As a seasoned full-stack web developer with 10 years of experience, I bring a combination of innovation, creativity, and technical expertise to every project. From leading development of large-scale applications to collaborating effectively with cross-functional teams, I...Hello ---- ---- ---- ---- ---- ---- ---- ---- As a seasoned full-stack web developer with 10 years of experience, I bring a combination of innovation, creativity, and technical expertise to every project. From leading development of large-scale applications to collaborating effectively with cross-functional teams, I consistently deliver high-quality results. My strength lies in translating complex requirements into functional interfaces that are intuitive for end-users, ensuring that projects are completed on-time and within budget. With a sharp eye for emerging trends and constant learning, I stay up-to-date with the latest technologies and modern frameworks, providing cutting-edge solutions to my clients. I am confident in my ability to bring fresh ideas to the table, and generate positive results for clients. If you're looking for a reliable, results-driven web developer who can take your online presence to the next level, I'm your guy. less -
Hire uanantharapu
Senior Angular Frontend Engineer with 6+ years of experience delivering enterprise web applications, microfrontends, real-time dashboards, and complex data visualizations. I help clients modernize Angular applications, resolve RxJS and NgRx issues, integrate REST and GraphQL APIs, and build responsive dashboards...Senior Angular Frontend Engineer with 6+ years of experience delivering enterprise web applications, microfrontends, real-time dashboards, and complex data visualizations. I help clients modernize Angular applications, resolve RxJS and NgRx issues, integrate REST and GraphQL APIs, and build responsive dashboards using AG Grid, Highcharts, Three.js, Fabric.js, and related visualization tools. My experience includes Angular 8–19 migrations, Module Federation architecture, reusable component libraries, CI/CD pipelines, production debugging, and technical leadership of teams of 7–11 engineers. Clients receive clear estimates, incremental demonstrations, tested maintainable code, documentation, and reliable communication. less -
Hire David198493
Senior Full-Stack Engineer with 13+ years of experience designing and scaling high-performance financial and data-driven platforms. Specialized in building secure, distributed backend systems using C#, .NET Core, and Node.js, with modern frontend development in Angular, React, and TypeScript. Proven expertise in...Senior Full-Stack Engineer with 13+ years of experience designing and scaling high-performance financial and data-driven platforms. Specialized in building secure, distributed backend systems using C#, .NET Core, and Node.js, with modern frontend development in Angular, React, and TypeScript. Proven expertise in microservices architecture, high-volume transaction processing, cloud-native infrastructure (AWS), and automated CI/CD pipelines. Strong focus on clean architecture, performance optimization, system reliability, and technical leadership within remote and cross-functional teams. less -
Hire senbhavin
Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped...Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped products used by real businesses: → Built multi-tenant SaaS platforms with schema-based data isolation, role-based access control, Stripe subscription billing, and full admin dashboards deployed and running in production. → Integrated OpenAI, Claude, Azure OpenAI, and LangChain into real products, building AI agents, RAG pipelines, and speech-to-text workflows. → Engineered custom NLP engines with 93.3% entity accuracy, sub‑20ms responses, and scalable processing across 500+ products in a 5‑step state machine. → Developed React Native and Flutter apps with real-time features, third-party payment, and map integrations, delivered simultaneously on iOS and Android. → Engineered real-time architectures using WebSockets, SignalR, and Socket IO for platforms handling 10,000+ concurrent users without performance degradation. → Built and integrated complex third-party systems, DocuSign contract workflows, IMAP email ingestion, government compliance APIs, G2A catalog sync, and multi-system automation pipelines. → Worked across SaaS, healthtech, logistics, e-commerce, sports, fintech, and real estate, adapting quickly to domain requirements without hand-holding. → Maintained Preferred Freelancer badge with Top Rated Freelancer, across 150+ completed projects with long-term client relationships and on-time delivery. My stack covers the full product: → AI & LLM Integrations • OpenAI, Claude, Gemini API Integration • LangChain, Pinecone, Weaviate, FAISS • Custom AI Agents, Intelligent Workflows, RAG Architecture → Frontend Development • React, Next.js (App & Pages Router), Vue.js, Angular • Tailwind CSS, Material UI, Chakra UI, Framer Motion • Redux, Context API, React Query → Backend Development • Node.js, Express.js, Nest.js • Python, Django, FastAPI, Flask • Supabase, Firebase, REST APIs, GraphQL • WebSockets, Socket IO, JWT/OAuth Authentication → Mobile Development • React Native (Expo & CLI), Flutter • Real-time chat & video (Twilio, Agora, WebRTC) • Third-party integrations (Stripe, Maps, Push Notifications) → Database & Cloud • PostgreSQL, MySQL, MongoDB, Redis • AWS (S3, EC2, Amplify), Google Cloud I work best with founders and technical leads who need one reliable engineer to own the build end-to-end. I communicate clearly, flag blockers early, and treat your deadline as mine. Send me a message with your requirements, and we can outline your technical roadmap on a quick call. Bhavin Sen less -
Hire carlosalatorre
Somos una empresa tecnológica mexicana especializada en el desarrollo de software a la medida. Nuestro equipo se enfoca en crear soluciones que ayuden a las empresas a administrar, evaluar y optimizar sus procesos internos y externos. Trabajamos de manera transparente y colaborativa: realizamos juntas semanales,...Somos una empresa tecnológica mexicana especializada en el desarrollo de software a la medida. Nuestro equipo se enfoca en crear soluciones que ayuden a las empresas a administrar, evaluar y optimizar sus procesos internos y externos. Trabajamos de manera transparente y colaborativa: realizamos juntas semanales, ofrecemos un panel de seguimiento donde se pueden consultar las tareas en progreso, pendientes y finalizadas, además de un espacio para aportar comentarios. Asimismo, los clientes siempre tienen acceso a una versión actualizada del sistema en web o app, con los últimos cambios implementados. less -
Hire dreamerherry
✨ Welcome to Empiric Infotech: AI-Powered Mobile, Web & Full-Stack Development ✨ Most AI and software projects don’t fail because of ideas, they fail because of slow execution, weak architecture, and systems that don’t scale. With 12+ years of experience, a 5.0 rating across 67 client reviews, and a consistent...✨ Welcome to Empiric Infotech: AI-Powered Mobile, Web & Full-Stack Development ✨ Most AI and software projects don’t fail because of ideas, they fail because of slow execution, weak architecture, and systems that don’t scale. With 12+ years of experience, a 5.0 rating across 67 client reviews, and a consistent record of 100% on-time and 100% on-budget delivery, Empiric Infotech helps startups and enterprises turn ideas into reliable, scalable, production-grade AI and software products. We are a full-service AI, SaaS, and product engineering agency trusted across the US, UK, and Europe. As an Official FlutterFlow Expert Agency Partner, we also accelerate MVP and mobile product delivery, helping founders launch faster, validate sooner, and scale confidently. Our core competencies include: ✅ AI Development & Machine Learning: LLM-powered applications, AI agents, RAG pipelines, AI chatbots, and intelligent systems using OpenAI, Claude, Gemini, GPT-4, LangChain & LangGraph, enabling automation, decision intelligence, and conversational AI solutions. ✅ MVP & SaaS Development: Rapid MVP development and scalable SaaS platforms with multi-tenant architecture, subscription systems, and production-ready deployment using modern engineering practices. ✅ Full-Stack Web Development: High-performance web applications built with React, Next.js, Node.js, FastAPI, and scalable backend architectures integrated with PostgreSQL, Firebase, and AWS. ✅ Mobile App Development: Native-quality iOS and Android applications using Flutter & FlutterFlow, optimized for performance, UX, and rapid go-to-market product launches. ✅ API Integration & System Engineering: Seamless third-party and custom API integrations including Stripe payments, CRM systems, ERP platforms, WebRTC, and enterprise-grade services, ensuring smooth system interoperability. ✅ AI Workflow Automation: Intelligent business automation pipelines using n8n, Make, and Python, streamlining operations across marketing, sales, support, and internal workflows. ✅ Cloud & DevOps Infrastructure: Scalable deployments and cloud-native systems using AWS, Firebase, Docker, and CI/CD pipelines, ensuring reliability, security, and performance at scale. ✨Specialties: From a simple landing page to a complex AI-powered enterprise SaaS, we deliver scalable, production-grade systems with clean code and seamless handoff. 🏆Recent Work: • AI health diagnostics platform (HIPAA-compliant, multi-tenant) • Multi-channel AI conversation web app • PDF automation saving legal teams 20+ hrs/week • B2B e-commerce platform with AI-assisted procurement 📩 Have an AI, SaaS, or app idea? Share it with us and we’ll respond with a clear technical plan, realistic scope, and transparent pricing. less -
Hire Abror86
Full-stack web developer with strong experience building and shipping production applications across the modern stack. Backend: PHP (Core, Laravel, CakePHP), Python (Django, Flask), and Node.js (Express) with MySQL, PostgreSQL, and MongoDB. Frontend: React.js, Vue.js, Next.js, JavaScript ES6+, HTML5, CSS3, and...Full-stack web developer with strong experience building and shipping production applications across the modern stack. Backend: PHP (Core, Laravel, CakePHP), Python (Django, Flask), and Node.js (Express) with MySQL, PostgreSQL, and MongoDB. Frontend: React.js, Vue.js, Next.js, JavaScript ES6+, HTML5, CSS3, and Tailwind CSS, with clean, responsive UI work from Figma/Adobe XD designs. I build custom websites and eCommerce stores (WordPress, Shopify, PrestaShop), REST APIs and integrations (PayPal, OpenAI/GPT-4, Claude), and AI-powered features — chatbots, LLM integration, and workflow automation with n8n. Comfortable with the full delivery pipeline: Docker, Git/GitHub, CI/CD, Linux (Ubuntu), Nginx/Apache, cPanel, and AWS. I focus on reliable, well-tested code, clear communication, and delivering exactly what the client needs — on time. Available for both quick fixes and long-term projects. less -
Hire shrec
Hi, I want to start by saying thank you for taking the time to read through my profile. I am an IT and Computer Science Specialist with over 15 years of experience in the industry. I have a genuine passion for my work, and love being able to use that passion to create original, creative projects for my clients. I...Hi, I want to start by saying thank you for taking the time to read through my profile. I am an IT and Computer Science Specialist with over 15 years of experience in the industry. I have a genuine passion for my work, and love being able to use that passion to create original, creative projects for my clients. I can work with a large list of different software and coding languages, including: • HTML • CSS • Javascript • Jquery • Front-End Frameworks (Bootstrap, Google's Material Design) • Javascript Frameworks (Angular, React, Vue) • Preprocessors (Less, Sass) • Building Tools (Gulp, Webpack, Grunt) In terms of Mobile Development, I can create projects using the following: • Java • Kotlin • Swift • Object-C • Android/iOS • Ionic Framework • React Native • Dart/Flutter I’ll happily sit down and work with you to build the best possible plan of attack to create and perfect your vision! less -
Hire scriptersZ
We are Codesigma Technology Services, a full-stack development agency based in India with 10+ years of delivering complex, production-ready applications. Our founder and top developers have experience working with Inc. 5000 companies and professional teams across the world, bringing a strong understanding of diverse,...We are Codesigma Technology Services, a full-stack development agency based in India with 10+ years of delivering complex, production-ready applications. Our founder and top developers have experience working with Inc. 5000 companies and professional teams across the world, bringing a strong understanding of diverse, multicultural work environments to every project. We are a tight team of experienced developers - small enough to move fast, experienced enough to build right. You always work with the most senior person, not a project manager who delegates to juniors. What we've built: -> Cross-platform POS system - React, Firebase, Flutter, Electron - running on Web, Android, iOS, macOS, and Windows with full offline-first functionality and real-time sync -> Multi-channel e-commerce aggregator - unified management of Amazon, Flipkart, Shopify, Meesho, Nykaa orders, inventory, warehouse, and payment reconciliation -> Real-time audio/video interpretation SaaS - Twilio Voice/Video, Task Router, BoostLingo integration, serving a global user base -> Booking systems, media streaming platforms, headless CMS websites, Shopify applications, and WordPress plugins across industries Our technical stack: Frontend: React, Next.js, Angular, JavaScript, TypeScript Backend: Node.js, PHP (Laravel, CodeIgniter), Python Mobile & desktop: Flutter, React Native, Electron.js Real-time: Twilio, Firebase, WebSockets Data: MySQL, MongoDB, PostgreSQL, Firestore Integrations: Stripe, PayPal, Razorpay, Shopify API, Amazon SP-API, GraphQL Infrastructure: AWS, Linux server management, deployment We are the right fit if you need: - A long-term development partner, not a one-off freelancer - End-to-end ownership from architecture to deployment - Cross-platform delivery (web + mobile + desktop from one team) - Complex integrations with third-party APIs and platforms - Clean, documented, maintainable code that your team can take over We work on fixed-price and hourly engagements. For ongoing projects, we offer monthly retainer arrangements. Let's discuss your project. less
