Umair A.

Looking for an experienced developer to build scalable backend systems, full-stack web applications, API integrations, cloud deployments or AI-powered features? I’m an Upwork Top Rated Plus Freelancer specializing in Python backend development, full-stack web applications with JavaScript, Next.js and React, third-party and e-commerce API integrations, AWS cloud deployment, business automation and AI integrations. I help businesses turn complex ideas into reliable, efficient and scalable software, from the database and backend logic to the cloud infrastructure and the dashboard your team uses every day. WHAT I CAN BUILD FOR YOU PYTHON & BACKEND DEVELOPMENT Custom backend applications using FastAPI, Django and Flask RESTful API development and scalable backend architecture SQL and NoSQL database design: PostgreSQL, MySQL, SQLite, MongoDB and Redis Debugging, performance optimization and maintenance of existing applications API & E-COMMERCE INTEGRATIONS Third-party API integrations, webhooks and data synchronization Shopify and e-commerce integrations CRM, payment and business software integrations AUTOMATION & WORKFLOW OPTIMIZATION Python scripts and business process automation Browser automation using Selenium and Playwright Automated data extraction, processing and reporting Scheduled tasks, background jobs and data pipelines Automating repetitive manual tasks to save time and reduce errors AI & MACHINE LEARNING INTEGRATIONS OpenAI and Claude API integrations into websites and applications Custom AI chatbots and virtual assistants LLM-powered features and conversational AI applications Integrating machine learning features into existing software AI-powered workflow automation FULL-STACK WEB APPLICATIONS & DASHBOARDS Custom web applications using Python, JavaScript, React and Next.js Business management systems and internal tools Automated KPI dashboards and reporting platforms Admin dashboards and database-driven applications CLOUD, DEPLOYMENT & TESTING Deploying and managing applications on AWS Linux VPS server setup and management Automated testing with pytest and Playwright Reliable, maintainable code with clear documentation MY TECHNICAL STACK ✅ Languages: Python, JavaScript ✅ Backend: FastAPI, Django, Flask, Node.js ✅ Frontend: React, Next.js ✅ SQL Databases: PostgreSQL, MySQL, SQLite ✅ NoSQL Databases: MongoDB, Redis ✅ Cloud & Infrastructure: AWS, Linux VPS ✅ APIs: REST APIs, third-party and e-commerce integrations, webhooks ✅ Automation & Testing: Selenium, Playwright, pytest ✅ AI: OpenAI API, Claude API, LLM integrations, AI chatbots REAL-WORLD PROJECT EXPERIENCE One example is a custom business operations and KPI dashboard built to streamline daily reporting, performance tracking and operational management: Automated data imports from third-party business management software Daily and weekly KPI calculations and performance tracking Scheduled background jobs for automated data updates Two-way synchronization between spreadsheets and the application database Dynamic dashboards and automated reporting WHY CHOOSE ME? ✅ Upwork Top Rated Plus Freelancer ✅ Strong expertise in Python, JavaScript, backend and full-stack development ✅ Business-focused automation, integrations and cloud deployment ✅ Clean, maintainable and scalable code ✅ Clear communication and professional project management ✅ Focus on long-term reliability and business value LET’S BUILD SOMETHING GREAT! Have a project in mind? Send me a message and let’s discuss how I can help you build a reliable, efficient and scalable solution.