Senior Python backend developer with 10+ years building scalable SaaS platforms, REST APIs, and AI-powered systems in Python, Django, DRF, and FastAPI. I turn product requirements into clean architecture, reliable integrations, and production-ready delivery. Need someone to own the backend — from database and API design to LLM integrations and deployment? That's my core strength. I focus on backend-heavy web applications where reliability, maintainability, and business logic matter most, and I help teams fix slow, messy, or hard-to-maintain Python/Django codebases by restructuring logic, stabilizing APIs, and cutting technical debt. I also deliver end-to-end SaaS MVPs — integrations, admin flows, auth, deployment, and collaboration across the full web stack. 𝗪𝗵𝗮𝘁 𝗜 𝗯𝘂𝗶𝗹𝗱: 🟢 SaaS backends and MVPs (Django / DRF, FastAPI) 🟢 REST APIs, webhooks, and third-party integrations 🟢 AI & LLM features — OpenAI, Claude, LangChain, LangGraph, RAG 🟢 Workflow automation and ETL pipelines (Celery, Redis) 🟢 Admin panels, authentication, roles & permissions 🟢 Refactoring & scaling legacy Python / Django systems 🟢 Docker-based deployment, AWS, and CI/CD 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗵𝗶𝗿𝗲 𝗺𝗲 𝘁𝗼: 🟢 Launch the backend for a new SaaS product 🟢 Stabilize and scale an existing Django application 🟢 Build APIs and integrations that scale reliably 🟢 Automate manual business workflows 🟢 Add AI / LLM functionality to an existing platform 🟢 Get senior-level execution without unnecessary complexity 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: Over 10+ years I've shipped products across SaaS, fintech, healthcare, education, and internal business tools. I build modular, well-structured systems that stay easy to extend as your product grows — especially strong in API-heavy platforms, async workflows, and third-party integrations. 𝗖𝗼𝗿𝗲 𝘀𝘁𝗮𝗰𝗸: Python · Django · Django REST Framework (DRF) · FastAPI · PostgreSQL · MySQL · Celery · Redis · Docker · AWS · GitLab CI/CD · REST APIs · Webhooks · Stripe · Twilio · OpenAI · Claude · LangChain · LangGraph · React 𝗛𝗼𝘄 𝘄𝗲 𝘀𝘁𝗮𝗿𝘁: For projects where the scope needs validation, I offer a paid discovery phase — a practical way to align on architecture, priorities, and a delivery plan before a larger engagement. You leave with a clear roadmap, fixed next steps, and no guesswork. If you need a solid Python/Django backend, clean APIs, AI integrations, and senior-level execution with clear communication, send me a message — I'll reply with honest feedback on your project.

I build full-stack web applications, internal tools, and AI automation systems from backend to frontend, with a focus on performance, scalability, and maintainable code. My core stack includes Python on the backend with Django and FastAPI, and modern frontend development with React, Next.js, and Tailwind CSS. I also work across deployment, cloud infrastructure, and API integrations, which helps me take projects from idea to production and improve existing systems without unnecessary complexity. I’m AWS certified and comfortable working across cloud infrastructure and deployment, including Docker, CI/CD, Infrastructure as Code with CloudFormation, AWS Lambda, ECS-based deployments, and API-driven systems, whether that means building from scratch or improving an existing application in production. Core Skills: - Backend: Django, FastAPI, Flask, DRF, Express, Celery, APIs, Auth - Frontend: React, Next.js, TypeScript, TailwindCSS - Databases: PostgreSQL, MySQL, MongoDB, Redis, RDS - Cloud & DevOps: AWS, Docker, CI/CD, DigitalOcean, Heroku - Automation & Data: API integrations, browser automation, scraping pipelines, and data processing with tools like Playwright, Selenium, Scrapy, and pandas. How I Work: - Clear scope and milestones - Frequent updates, clean code and proper docs - Honest estimates, steady delivery, security & performance focused If this sounds like the kind of developer you need, reach out with your project goals and timeline. I’ll reply with a clear plan to get you there.

I build production-ready AI applications and SaaS platforms using Python, Django, FastAPI, React and Next.js. As a Top Rated Plus developer with 50+ completed Upwork projects, I have helped clients build, complete and improve AI-powered products, backend systems, voice agents, RAG applications and data-driven platforms. My focus is not limited to adding an OpenAI API to an application. I build the complete system around the AI feature including backend architecture, data pipelines, APIs, user roles, payments, integrations, deployment and production reliability. ✅What I Can Help You Build * AI-powered SaaS platforms and internal tools * Python backends using Django, FastAPI and Flask * RAG systems with embeddings, vector search and document processing * Voice AI agents using Twilio, Deepgram, ElevenLabs and OpenAI * LLM integrations using OpenAI, Claude and structured AI workflows * React and Next.js dashboards connected to Python APIs * REST APIs, webhooks and third-party integrations * Authentication, user roles, subscriptions and Stripe payments * Background processing, real-time systems and large-data workflows * Existing application debugging, optimization and completion ✅Relevant Project Experience ◾DataVersion AI document-processing and RAG platform built with FastAPI, Next.js, Supabase, AWS and Pinecone. ◾Key2 AI voice and telecom platform using Django, FastAPI, Twilio, ElevenLabs, OpenAI and Deepgram. ◾OpenHome Voice AI application built with Django, Vue.js, Deepgram, ElevenLabs, OpenAI and AssemblyAI. ◾PitchFit AI-powered SaaS application developed with Flask, FastAPI, React and Express.js. ✅My Core Technology Stack ⭐AI and LLMs: OpenAI, Claude, RAG, AI agents, embeddings, vector databases, prompt engineering and document processing ⭐Voice AI: Twilio, Deepgram, ElevenLabs, Retell, speech-to-text, text-to-speech and real-time voice workflows ⭐Backend: Python, Django, FastAPI, Flask, Node.js, Express and NestJS ⭐Frontend: React, Next.js and Angular ⭐Data and Infrastructure: PostgreSQL, Supabase, MongoDB, Redis, Firebase, AWS, Docker and DigitalOcean ⭐Automation and Integrations: n8n, APIs, webhooks, Zapier and Make ✅ Why Clients Work With Me -- Clients describe me as reliable, collaborative, responsive and committed to quality. ⭐One client shared: “Best developer I have ever worked with on this platform.” ⭐Another said: “If you need a developer that works fast, consistent and knowledgeable, Hassan is your guy!” I am comfortable joining projects at any stage whether you need to build an MVP, add AI features to an existing product, repair an unstable backend or prepare a prototype for production. Send me a brief description of your product, current stack and the main problem you need solved. I’ll review it, identify the fastest path forward, and tell you exactly how I can help no vague promises, no wasted time. Looking forward to have a Fruitful Conversation with u :)

I build production-grade web applications end-to-end: scalable Python backends with Django and FastAPI, modern React and Next.js frontends, AWS cloud infrastructure, and AI-powered features that work in real production environments - not just demos. 100% Job Success Score. Top Rated Plus. $50K+ earned. 1,994 hours logged. 34 completed jobs. 6+ years building web applications. My longest Upwork client relationship runs 19+ months and counting on a Django ecommerce platform - that is what happens when code is built to last, not just to ship. WHAT CLIENTS HIRE ME FOR : - A SaaS product that needs to scale past MVP into something stable - A backend that needs Django or FastAPI expertise, not a generalist guess - AI features that need to actually work - OpenAI integration, automation, intelligent recommendations - A React or Next.js frontend that connects cleanly to a real backend - Data pipelines, web scraping, or automation that needs to run reliably - AWS deployment done properly - EC2, S3, Lambda, RDS, CI/CD WHAT I HAVE BUILT - REAL PROJECTS : Multi-Tenant SaaS Platform: Built with Python, Django, FastAPI, and React. Multi-tenant architecture supporting multiple client organizations on shared infrastructure. AI Coaching Platform: Python, Django, OpenAI integration, and Celery for background task processing. AI-powered coaching logic running on production infrastructure, not a prototype. Location-Based Food Platform: GeoDjango and PostGIS for geospatial data, deployed on AWS. Real-time location-based matching and routing. Django Ecommerce Backend: Ongoing client relationship since September 2024 (19+ months), 279+ hours logged. Continuous feature development and platform maintenance. Call Tracking and Analytics System: Webhook-based backend for call tracking, analytics, and agent callback routing in real time. TECH STACK : Backend: Python, Django, FastAPI, Flask, Celery, Django REST Framework Frontend: React, Next.js, TypeScript, TailwindCSS Databases: PostgreSQL, MongoDB, Redis, GeoDjango/PostGIS Cloud and DevOps: AWS (EC2, S3, Lambda, RDS), Docker, GitHub Actions, CI/CD AI and Automation: OpenAI API, LangChain, AI Agents, Web Scraping (Selenium, Playwright) Integrations: Stripe, PayPal, Twilio, SendGrid, OAuth, JWT Authentication, Webhooks HOW I WORK : I write clean, well-documented code that the next developer can actually understand. I communicate progress clearly instead of disappearing until delivery. I test before I ship. Fluent in English, available across time zones, and I respond within a few hours. Building a SaaS product, need a Python backend that scales, or want AI features that actually work - send me your project details. Keywords: Full Stack Python Developer, Python Developer, Backend Developer, Django Developer, FastAPI Developer, Flask Developer, React Developer, Next.js Developer, TypeScript Developer, AWS Developer, AWS Lambda, Amazon API Gateway, REST API Development, GraphQL Developer, Django REST Framework, API Integration, Third Party API Integration, JWT Authentication, OAuth Integration, Stripe Integration, PayPal Integration, Webhook Integration, AI Integration, OpenAI API Integration, AI SaaS Development, LangChain Developer, AI Agent Development, RAG Development, LLM Integration, SaaS Development, SaaS Platform, Multi-tenant SaaS, B2B SaaS, MVP Development, Custom Web App, Web Application Development, PostgreSQL Developer, PostgreSQL Optimization, MongoDB Developer, Redis Caching, Database Design, Database Optimization, Docker Deployment, Docker Containerization, CI/CD Pipeline, GitHub Actions, Celery Task Queue, Background Job Processing, Async Python, Web Scraping, Data Scraping, Selenium Automation, Playwright Scraping, Data Automation, Data Pipeline, Microservices, Microservices Architecture, Scalable Backend, Payment Integration, GeoDjango, PostGIS, AWS Solutions Architect, Database Migration

★★★★★ "Philipp is our most experienced developer and does a fantastic job in all matters. He acts with great responsibility, understands business requirements perfectly and is a valuable mentor within the team. We're looking forward to continuing to work with Philipp and truly appreciate him." - Julius from Privatize Hello, I am Phil. As your Python and Django Developer, I will add 15 years of professional experience in the Django and Linux ecosystem to your project, fast-pacing your development cycles from day one. I am capable to manage the whole tech stack of your architecture and adjoin your business decisions with my technical expertise. My competencies extend beyond Web Development to DevOps, ML/AI and Education. I am most productive and competent in the following areas: ★★★★★ WebDev ✔ Python (v3, v2) and Django Backend (v4) with Wagtail and Django CMS; ✔ Testing with pytest, unittest, selenium and code style adhere to black, PEP-8; ✔ Django Frontend Templates with Jinja2, HTMX, Vue.js or React; ✔ Python Ecosystem: Numpy, pyTorch, matplotlib, Flask, Beautiful Soup and others. ✔ Django Ecosystem: DRF, FastAPI, Wagtail, Allauth, Haystack, Celery and others. ✔ Client-side with Javascript, node, npm and package ecosystem; ✔ Node Ecosystem: jQuery, Vue.js, Babel; ✔ Independent problem solver with first principles approach; ✔ Team Player with a focus on supporting junior developers ★★★★★ DevOps ✔ IT Architect and Consultant turning your features into reality via CI/CD; ✔ Deployment Linux Server, Heroku, AWS, GCP and other platforms; ✔ Git, github-actions, docker, docker-compose, heroku-cli ✔ Postgres, PostGIS, MariaDB/MySQL, MongoDB, ArangoDB; ✔ Celery async compute and Redis caching; ★★★★★ ML/AI ✔ pyTorch Developer (torchvision, -audio, -text); ✔ OpenAI API integration, Llama3 and OpemAssistant builds ✔ GCP & AWS cloud compute integration; ✔ Statistical competence: PCA, Bayes, Markov, SVM ✔ Mojo Developer (Python superset for performant ML computing) ✔ C/C++ and Ruby competence ★★★★★ Educator ✔ Helping my students to master Python3; ✔ Training involves the complete development cycle ✔ Project based training covering aux. tools, like Git, bash, docker, etc.; ★★★★★ Personal Points: ✔ Available immediately; ✔ Multilingual communicator with precise terminology in English, Spanish, German; ✔ Presentation Skills & Inspirational Speaker; ✔ Fitness Enthusiast; 🔎 Explore my GitHub Account @rollinger to see some of my non-closed work and projects. For unparalleled development expertise, seamless project communication, and a proactive, efficient, and amicable approach that propels your project to success, let's connect. I'm eager to assist you in achieving your goals. Schedule an interview with me today, and let's kickstart your project.

Are you looking for an experienced Full Stack Python Developer with mastery in Django, ReactJS, React Native, Flask, and NextJS, who can transform your web application ideas into high-performing solutions? Your search ends here! With over 15 years of hands-on experience, I specialize in building robust, scalable, and user-friendly SaaS applications that seamlessly integrate cutting-edge technologies. 🚀 What Sets Me Apart 🚀 ✔️ Python Pioneer: I build powerful and dynamic web applications using Python, adapting its versatility to your business needs. ✔️ Django, Flask & FastAPI Maestro: Leveraging the power of Django, Flask, and FastAPI, I craft secure, scalable, and high-performance web applications that excel in any environment. ✔️ RESTful API Expert: Designing and developing efficient RESTful APIs to ensure smooth communication across systems and applications, enhancing functionality. ✔️ SQL Magician: Skilled in SQL and database management, I ensure secure, organized, and optimized data storage for your application, ensuring scalability and reliability. ✔️ React JS & Next JS Revolutionary: I develop fast, responsive, and dynamic ReactJS user interfaces, and create server-side rendered web apps with NextJS, offering seamless user experiences. ✔️ React Native Specialist: Creating cross-platform mobile applications with React Native, ensuring high performance and smooth user interfaces on both iOS and Android devices. ✔️ Shopify Developer: Expert in building and customizing Shopify stores to ensure optimal e-commerce performance, focusing on user experience and scalability. ✔️ Deployment Dynamo: I excel at deploying applications to production environments with expertise in AWS, Heroku, and other cloud platforms, ensuring smooth transitions and continuous integration. ✔️ GitHub Guru: Skilled in version control using GitHub, ensuring efficient project management, collaboration, and code tracking. ✔️ Socket Sorcerer: Implementing real-time communication using websockets, enabling live updates and enhancing user engagement across your applications. 💁🏽 Why Partner with Me? Clear communication, from initial consultation to project completion. On-time delivery, ensuring your deadlines are always met. Scalable, secure, and user-friendly solutions built to grow with your business. Post-deployment support, ensuring everything runs smoothly long after launch. If you’re ready to work with a Full Stack Python Developer who combines technical expertise with a deep understanding of SaaS, AI, and modern web technologies, let’s connect! I’m here to turn your ideas into reality—whether it's a web app, mobile solution, or e-commerce platform. 🌟 Let’s build something amazing together!

𝑭𝒓𝒆𝒆 30-𝑴𝒊𝒏𝒖𝒕𝒆 𝑪𝒐𝒏𝒔𝒖𝒍𝒕𝒂𝒕𝒊𝒐𝒏 𝑪𝒂𝒍𝒍! 𝑱𝒖𝒔𝒕 𝒔𝒉𝒂𝒓𝒆 𝒚𝒐𝒖𝒓 𝑭𝒊𝒈𝒎𝒂 𝒐𝒓 𝑰𝒅𝒆𝒂𝒔, 𝐈 𝒘𝒊𝒍𝒍 𝒄𝒐𝒏𝒗𝒆𝒓𝒕 𝒕𝒉𝒂𝒕 𝒊𝒏𝒕𝒐 𝒂 𝒅𝒆𝒕𝒂𝒊𝒍𝒆𝒅 𝑹𝑭𝑸 𝒂𝒏𝒅 𝒅𝒆𝒇𝒊𝒏𝒆 𝒕𝒉𝒆 𝑺𝒄𝒐𝒑𝒆 𝑺𝒐 𝒚𝒐𝒖 𝒄𝒂𝒏 𝒈𝒆𝒕 𝒂 𝒃𝒆𝒕𝒕𝒆𝒓 𝑰𝒎𝒂𝒈𝒆. 🌟 Expert Full-Stack Python/Django & React.js/Next.js Development 🌟 I help businesses and startups build scalable SaaS platforms, cloud-based web applications, custom APIs, and high-performance MVPs. My services cover end-to-end web development, including Full-Stack Web Application Development, AWS Cloud Integration, Custom API Development, Database Design & Optimization, and SEO-optimized Next.js websites. Whether you need a SaaS dashboard, a subscription-based product, or a secure backend system that scales, I deliver modern, production-ready solutions built on industry best practices. I also specialize in web app performance tuning, security hardening, and architecture consulting to help clients transform existing systems into fast, reliable, and cloud-native applications. ⚙️ 𝘾𝙤𝙧𝙚 𝙎𝙚𝙧𝙫𝙞𝙘𝙚𝙨 1️⃣ SaaS & Full-Stack Web Development • React.js / Next.js front-end + Python/Django back-end • Subscription systems, dashboards, multi-tenant apps 2️⃣ AWS Cloud Integration & Management • EC2, Lambda, S3, CloudFormation setup and automation • CI/CD pipelines and monitoring • Scalable cloud architecture for SaaS apps 3️⃣ Custom API Development & Integration • REST & GraphQL APIs with Django REST Framework • Third-party SaaS integrations (Stripe, SendGrid, Auth0) • Secure authentication / authorization (JWT, OAuth2) 4️⃣ Database Design & Optimization • PostgreSQL, MySQL, MongoDB, Redis • Query optimization & data modeling for performance • Backup, migration, and security hardening 5️⃣ JavaScript / TypeScript Expertise • Modular, component-based development • Type-safe architecture & frontend performance tuning • Integration with Python APIs for real-time apps 6️⃣ Next.js & React.js for SEO Optimization • Server-Side Rendering (SSR) and Static Site Generation (SSG) 7️⃣ MVP Development for Startups • Rapid prototyping with React.js / Django • AI integration and development into MVP 8️⃣ Web App Performance & Security Optimization • Speed audits, caching, and load-time reduction 🧠 𝑻𝒆𝒄𝒉 𝑺𝒕𝒂𝒄𝒌 • Frontend: React.js, Next.js, TypeScript, Redux, TailwindCSS • Backend: Python, Django, FastAPis Django REST Framework • Database: PostgreSQL, MySQL, MongoDB, Redis • Cloud & DevOps: AWS (EC2, S3, Lambda, CloudFormation), Docker, GitHub Actions • Others: REST API, GraphQL, SEO Optimization, CI/CD, SaaS Architecture, Security Audits Contact me, and let’s discuss how we can take your project to new heights and achieve your business goals.

🏆 Top Rated Plus Backend Developer ⌛ 10 years of experience 🕧 More than 6000 successful Upwork hours Over the last 10 years, With hands-on experience in web application development, custom software development, website design, and BOT programming. 𝗠𝘆 𝘀𝗸𝗶𝗹𝗹 𝘀𝗲𝘁: ✔️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 Python, Node, Django, Flask, RESTful framework ✔️ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 JavaScript, React JS, HTML5, CSS3 ✔️ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 MySQL, PostgreSQL, MongoDB ✔️ 𝗗𝗲𝘃𝗢𝗽𝘀 Docker, Kubernetes, CI/CD, Git ✔️ 𝗛𝗼𝘀𝘁𝗶𝗻𝗴 Amazon Web Services, Google Cloud, Digital Ocean, Heroku Learning and adapting to new technologies has always been my passion, where I ensure to keep abreast with them and adjust them at their initial stage. My first and top priority is 100 % client satisfaction. I take each project as if it is my own and focus on delivering a great product on time. I am always ready to create value for my clients. I believe in building long elastic business relationships. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: python, python django, python web scraping, python flask, python developer, python javascript, python pandas, python script, python data scraping, machine learning python, django website development, django react, django rest, django developer, django python javascript, django rest framework, django javascript, python django, python django website development, scripting automation, scripting and automation, scripting & automation, python scripting, bash shell scripting, shel scripting, bash scripting Thanks for visiting my profile, and feel free to contact me.

With 6+ years of professional experience, I am a dedicated Full-Stack and DevOps Engineer specializing in building performant and scalable web solutions. My core focus is on leveraging the power of Python, Django, HTMX, and Alpine.js to create fast, interactive, and modern web applications. I believe in transparent and proactive communication throughout a project's lifecycle. From initial development to final deployment, you can expect clean, maintainable code and a solutions-oriented mindset. My DevOps expertise ensures your application is not only well-coded but also deployed and managed for optimal performance and reliability on the cloud platform of your choice. My Niche: — Django Web Application Development — Dynamic Front-Ends with Tailwind, Bootstrap, HTMX & Alpine.js — Cloud Infrastructure & CI/CD Automation I'm committed to turning your ideas into robust and successful realities.

🔹 Top-Tier Quality Delivery 🔹 Long-Term Work Relationship 🔹 Quick Replies & Regular Updates As an expert Full Stack Developer, I specialize in Django, Python, Laravel and Vuejs, I have deep understanding of RAG, LLM and AI implementation in existing and new platforms, delivering clean, high-performance solutions for startups, SaaS companies, and growing businesses. I’ve contributed to AI platforms, e-commerce systems, SaaS products, CRMs, ERPs, and POS solutions, working with teams at Nexook, DevParagon, EzySoft Solutions, and Indus Cyber Solution Ltd. My focus is not just development but building systems that are reliable, maintainable, and ready to scale. Beyond coding, I bring project ownership and technical leadership, helping teams reduce costs, speed up delivery, and improve workflows through smart architecture and automation. Tech Stack: -Backend: Python (Django, Flask), PHP (Laravel, Filament, Livewire) -Frontend: Vue.js, JavaScript (ES6), TypeScript, HTML, CSS (Tailwind, Bootstrap) -Databases: PostgreSQL, MySQL, MongoDB -DevOps & Cloud: Docker, Git, AWS, GCP, Azure Here's how I can support your project: -Build scalable web apps from idea to launch -Develop secure APIs and backend systems -Create modern dashboards and admin panels -Automate business processes and e-commerce workflows I’m one message away from helping you build your next product. Best Regards, Kaleem Ibn Anwar