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100% JSS | 2+ Years in Software Engineering | Python Backend Developer & Full Stack Developer I help SaaS startups and growing businesses build scalable backend systems and AI-powered features that work reliably in production. As a Python Backend Developer, I specialize in FastAPI, Django, and Django REST Framework to build high-performance REST APIs, microservices, and distributed systems. I design asynchronous workflows, event-driven architectures, and data pipelines using Celery, Kafka, and Redis - built to scale. As a Full Stack Developer, I deliver end-to-end SaaS applications using React and Next.js on the frontend paired with clean Python backends. I build SSR-optimized Next.js apps, real-time dashboards, and production-grade SaaS platforms where frontend and backend are tightly integrated. AI & LLM Integration is a core part of what I do as a Python Developer. I build AI-powered features, LLM integrations, and automation workflows using OpenAI GPT-4, LangChain, Claude, and Gemini - from RAG pipelines to multi-agent systems and intelligent automation. As a SaaS Developer, I've built full SaaS products across AI, fintech, and automation - handling authentication, third-party API integrations, multi-tenancy, and production deployment on AWS with Docker, Kubernetes, and CI/CD pipelines. Tech stack I work with daily: → Backend: Python, FastAPI, Django, Django REST Framework, Celery, Kafka, Redis → Frontend: React, Next.js, TypeScript, Tailwind CSS → Databases: PostgreSQL, MongoDB, Supabase, Redis → AI/LLM: OpenAI, GPT-4, LangChain, Claude, Gemini → Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD, GitHub Actions → Other: WordPress integrations, REST APIs, GraphQL Clients hire me when they need: → A Python Backend Developer to build scalable APIs and microservices → A Full Stack Developer to deliver complete SaaS platforms → A React and Next.js developer for production-grade frontend systems → AI and LLM integration into their existing product → A reliable developer who ships clean, maintainable code If you need a Python Backend Developer, Full Stack Developer, or SaaS Developer who understands both architecture and execution - let's talk.

Hi, Need a reliable Senior Full-stack developer who can design, build, and scale production applications? I have 9+ years of experience helping startups and businesses build SaaS platforms, REST APIs, automation systems, dashboards, cloud-based applications and data extraction tools. ✔Over my Upwork career I have: • Completed 68+ projects • Earned $50K+ • Delivered 3,000+ hours of development work • Maintained excellent client satisfaction ✔ My core expertise includes: • Python • Django • FastAPI • Flask • React • Node Js • Docker • PostgreSQL • AWS • API Integrations • Automation & Data Processing ✔ SERVICES • FastAPI & Django Development • Node Js / Express Development • REST API Development • Third-Party API Integrations • Web Scraping & Data Extraction • Workflow Automation • AWS Deployment • Docker & CI/CD • Backend Performance Optimization I focus on building maintainable, scalable systems rather than quick fixes. If you're looking for a developer who can take ownership from development to deployment , I’d be happy to discuss your project. Regards Sher Singh 🔑 Keywords - Full Stack Developer, SaaS Developer, React Developer, Next.js Developer, Node.js Developer, Django Developer, Django REST Developer, Flask Developer, FastAPI Developer, REST API developer, MERN Developer, MERN stack Developer, MEAN Developer, MEAN stack Developer, Dashboard Development, Web Application Development, Backend Developer, Frontend Developer, API Development, AWS Developer, SaaS MVP, Scalable Web Apps, Top Rated Plus Freelancer, Top rated Developer, API Integration, Python Scripts, Scraper, Browser Automation, Selenium, Python, DevOps, Docker, Docker-compose, Automated deployments

Overview: ✅ 13+ Completed Projects | 💰 $2K+ Earned | 100% Job Success ✅ Python Backend Developer | Django | FastAPI | Flask | Docker | AWS | Kubernetes ✅ DevOps Engineer | AWS Infrastructure | Terraform | CI/CD | Monitoring I'm a Python Backend Developer & DevOps Engineer with 4+ years of experience building scalable backend systems and managing production. cloud infrastructure for startups and businesses. I build high-performance REST APIs using Django, FastAPI, and Flask — with clean architecture, secure authentication, and optimized databases. On the DevOps side, I handle AWS infrastructure end-to-end: EC2, Auto Scaling, Load Balancing, VPC, IAM, Route 53, Lambda, DynamoDB, CloudFormation, and Terraform — plus Docker, Kubernetes, CI/CD pipelines (Jenkins), and monitoring with Grafana & Prometheus. From API development to Dockerized deployment and infrastructure monitoring — I handle the full stack, backend to production. Core Skills & Technologies ✅ Python | Django | FastAPI | Flask | REST APIs ✅ PostgreSQL | MySQL | SQLite ✅ Docker | Kubernetes ✅ AWS (EC2, VPC, IAM, Route 53, Lambda, DynamoDB, Auto Scaling, ELB) ✅ Terraform | CloudFormation ✅ CI/CD | Jenkins | Git ✅ Grafana | Prometheus | Monitoring ✅ Linux Server Management What I Can Build - Secure, scalable REST APIs - Authentication systems (JWT, OAuth) - Dockerized cloud-ready applications - AWS infrastructure setup & automation - CI/CD pipelines - Infrastructure monitoring dashboards I write clean, maintainable code and build reliable, well-monitored cloud infrastructure. Whether it's backend from scratch, AWS setup, CI/CD, or ongoing DevOps support — I've got you covered. Let's build and deploy it right.

I'm a Full Stack Developer who builds and ships web apps and AI-powered products that are clean, fast, and built to scale, using React, Node.js, Next.js, Laravel, PHP, and Python. 14+ years in, 120+ jobs delivered, and $400K+ earned on Upwork. Most projects I take over have the same problem: they were built to launch, not to last. I fix that. Whether it's a SaaS platform, an internal dashboard, an API-heavy backend, or an AI feature inside your product, I focus on maintainable code and architecture that holds up as you grow. What I do: - Full-stack web apps with React / Next.js and Node.js / Express - Python backends and APIs (FastAPI, Django) - SaaS platforms: auth, roles, billing, dashboards - AI integrations: OpenAI, RAG, chatbots and assistants - PostgreSQL, MySQL, database management , MongoDB, AWS, clean REST APIs I've led delivery on complex platforms as the senior go-to engineer, I communicate clearly, and I think like a product owner, not just a coder. Happy to own a project end to end or slot into your team. Tell me what you're building and I'll tell you exactly how I'd approach it.