Hire the Best Backend Rest API Freelancers
in Pakistan

🚀 Looking for Scalable AI & Backend Solutions That Drive Your Business Forward? With years of experience in Python, Django, and cloud technologies, I specialize in building high-performance backend systems and AI-powered applications that scale seamlessly as your business grows. Whether you're looking to develop robust APIs, design cloud infrastructure, or integrate AI models, I create solutions that ensure efficiency, reliability, and future scalability. 🔧 Here’s how I bring value to your team: - Django & Python Development: Build robust backend systems that are fast, reliable, and secure. - API Development: Design and implement high-performance APIs that handle large-scale traffic with ease. - Cloud Infrastructure: Utilize AWS to build scalable, cost-efficient, and reliable cloud-based systems. - CI/CD Pipeline Automation: Automate your development and deployment processes to boost team productivity. - Database Management: Work with PostgreSQL, MySQL, and MongoDB to ensure optimal database performance. - Serverless Solutions: Build serverless architectures using AWS Lambda to reduce operational costs while maintaining scalability. Tech Stack & Expertise: Backend Development: Python, Django, FastAPI, Flask, REST APIs, PostgreSQL, Redis, MongoDB Cloud & Infrastructure: AWS (EC2, Lambda, S3, DynamoDB, RDS), Docker, Kubernetes CI/CD: Jenkins, GitLab CI, GitHub Actions, Travis CI Serverless Solutions: AWS Lambda, API Gateway API Development: REST APIs, GraphQL, API design & integrations Version Control: Git, GitHub, GitLab 🚀 Ready to Scale with Efficiency and Reliability? Let’s collaborate to build a backend system that is not only scalable but also efficient and cost-effective. Send me a message with your project details, and let's create a solution tailored to your business needs. Keywords: Python developer, Django developer, backend development, API platform, SaaS development, Python backend, AWS integrations, cloud architecture, full-stack development, CI/CD pipeline, backend systems, Django API, REST API, scalable applications, microservices, cloud infrastructure, Docker, Kubernetes, AWS, Python, SaaS APIs, database integrations, automated testing, web app development, serverless solutions, API Gateway, Lambda, EC2, PostgreSQL, MongoDB, MySQL.

𝟐𝟏𝗠 𝘂𝘀𝗲𝗿𝘀. 𝟭𝟬𝟬+ 𝗱𝗼𝗰𝗸𝗲𝗿𝗶𝘇𝗲𝗱 𝗔𝗜 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀. 𝟰𝟬% 𝗹𝗮𝘁𝗲𝗻𝗰𝘆 𝗿𝗲𝗱𝘂𝗰𝘁𝗶𝗼𝗻. That's what I delivered at my last role. I build backend systems that scale. I'm a 𝗦𝗿. 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 and 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 with 𝟴+ 𝘆𝗲𝗮𝗿𝘀 of experience specializing in scalable backend systems, AI model deployment, and microservices architecture. ⸻ 𝗥𝗲𝗰𝗲𝗻𝘁 𝗪𝗼𝗿𝗸 → 𝗨𝗻𝗱𝗲𝘁𝗲𝗰𝘁𝗮𝗯𝗹𝗲 𝗔𝗜 (USA): Built backend serving 21M users with 100+ GPU-powered AI services, WebSocket streaming, and FastAPI microservices. Achieved 40% latency reduction through DB connection pooling. Deployed ChatGPT-style streaming chat with Redis and SSE. → 𝗢𝗿𝗮𝗻𝗴𝗲𝗦𝗵𝗶𝗻𝗲 (USA): Led backend for multi-tenant e-commerce platform. Built CDC pipelines syncing PostgreSQL to Elasticsearch in real-time. Integrated Stripe with multi-currency checkout. → 𝗧𝗵𝗲 𝗘𝗻𝘁𝗲𝗿𝘁𝗮𝗶𝗻𝗲𝗿 (UAE): Built AES-encrypted REST APIs with JWT, Auth0, and Stripe B2B payments. Refactored monoliths into Dockerized Flask, Django microservices. Scaled async workflows with Celery, RabbitMQ, and SQS. Achieved 30% DB load reduction through LRU caching across 5 deployment environments. → 𝗦𝗵𝗮𝘂𝗸𝗮𝘁 𝗞𝗵𝗮𝗻𝘂𝗺 𝗛𝗼𝘀𝗽𝗶𝘁𝗮𝗹 (Pakistan): Built ETL pipelines, data warehouse, and HIPAA-compliant Power BI dashboards for healthcare analytics. ⸻ 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱 𝗔𝗜/𝗠𝗟 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁: GPU services, model versioning, async inference, LLM integration 𝗥𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: WebSockets, SSE streaming, Redis pub/sub, chat interfaces 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀: FastAPI, Django, Flask, Celery, RabbitMQ, event-driven architecture 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MongoDB, Elasticsearch, connection pooling, CDC pipelines 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe (hold, capture, refund), multi-currency, subscription billing 𝗖𝗹𝗼𝘂𝗱: AWS (Lambda, SQS, S3, App Runner), GCP, DigitalOcean, SaladCloud (GPU) 𝗗𝗲𝘃𝗢𝗽𝘀: Docker, GitHub Actions, CI/CD, multi-environment deployment ⸻ 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ✓ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 on Upwork ✓ I respond within 1 hour ✓ Clear communication, no surprises ✓ I ship production-ready code, not prototypes ⸻ Let's discuss your project. Send me a message with your requirements and I'll share how I'd approach it.

𝐖𝐡𝐲 m𝐞? • Exceptional 5.0⭐ client feedback • 100+ happy clients with a 100% Job Success Score • 8+ years of hands-on software development experience I’m a Senior Full-Stack Developer specializing in Python, Django, FastAPI, and React. I help startups and growing businesses build reliable, high-performance platforms from scratch — from SaaS products and internal tools to large-scale data scraping and automation systems. My focus is on clean architecture, scalable backend systems, and data-driven solutions that support real business growth. 𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐛𝐮𝐢𝐥𝐝: • SaaS platforms and scalable web applications • Custom dashboards and admin panels • REST APIs and microservices architecture • AI-powered and data-driven applications • Large-scale web scraping systems • Automated data extraction pipelines • ETL pipelines and data processing workflows • Third-party API integrations • Data automation and reporting systems • High-performance backend architectures My core tech stack includes Python, Django, FastAPI, React, Scrapy, Selenium, PostgreSQL, MongoDB, Redis, RabbitMQ, AWS, and modern cloud infrastructure. I have extensive experience building data pipelines, scraping large datasets, and developing scalable backend systems that power complex web applications. If you’re looking for a developer who can build scalable products, automate data workflows, and deliver reliable software solutions, I’d be happy to discuss your project. ⚡ 𝐁𝐎𝐍𝐔𝐒 𝐏𝐀𝐂𝐊𝐀𝐆𝐄: As the Founder & CEO of Flicken, I’ve helped over 100 clients navigate complex technical challenges while balancing speed, scalability, and cost-effectiveness. Having a team of engineers behind me means clients get the best of both worlds, the flexibility of working with a freelancer and the reliability of a full development team when needed. Flexible engagement options based on your project needs: 🔹 Staff Augmentation Need extra hands on your project or a specialized developer for a specific period? Get an experienced developer embedded into your existing team to ensure smooth collaboration and faster development velocity. 🔹 Turnkey Project Looking for a fully managed, end-to-end development solution? From architecture and development to deployment, I can handle the entire process, delivering a market-ready product through a structured, milestone-based approach. #Python #FastAPI #Django #ReactJS #AWS #PostgreSQL #AI #OpenAI #AIAutomation #LLM #SaaS #Docker #APIDevelopment #SystemDesign #FullStackDeveloper

I am a Backend Developer with 4 years of professional experience in building secure and scalable web applications. My Core Skills: Frameworks: FastAPI. Databases: PostgreSQL, MySQL, SQLAlchemy ORM. Security: JWT Authentication, OAuth2, Role-Based Access Control (RBAC). Tools: Git, GitHub, Docker, Pydantic, Postman. What I offer: Fast API development with automatic Swagger documentation. Database optimization and complex query writing. Bug fixing and performance tuning for existing Python apps. Secure integration of 3rd party services and payment gateways.

🟢 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗡𝗼𝘄 | 🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 (𝗧𝗼𝗽 𝟯% 𝗧𝗮𝗹𝗲𝗻𝘁) | 💫 𝟴+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 I'm a Laravel Architect who builds SaaS products founders don't have to rebuild in 2 years. Not just features — the full system: architecture, APIs, AI integrations, database design, and deployment. From idea to production. 𝗪𝗵𝗮𝘁 𝗜 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 & 𝗯𝘂𝗶𝗹𝗱: → Multi-tenant SaaS platforms in Laravel — clean, scalable, built to last → AI-driven automation tools & workflows (OpenAI, Anthropic, RAG pipelines) → REST APIs & Webhooks built for reliability and third-party integrations (Stripe, Zapier, Twilio) → Full-stack with React, Next.js & Vue frontends — Tailwind CSS, fast, responsive → PostgreSQL & MySQL — complex schemas, performance tuning, multi-tenant data isolation → Scalable backend systems — queues, caching, event-driven architecture, microservices → Security-first — auth, permissions, and data protection designed in from day one → Rescue projects — I regularly rebuild what others architected poorly 𝗪𝗵𝗼 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: ✔ SaaS founders who need an architect, not someone to assign tickets to ✔ Startups moving fast who can't afford to redo the foundation later ✔ CTOs who want a senior partner with zero hand-holding ✔ Agencies needing a reliable Laravel expert at scale 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸: I ask the right questions before writing a single line of code. I think through your system's future — how it grows, where it breaks, how to prevent both. Many clients have stayed with me for 2–4 years because I treat their product like it's my own. ⭐ Ali is the best developer I’ve ever worked with. The quality of his work and his experience in developing are insane. On top of all that, his pricing is very competitive for the value you are getting. Hidden GEM of Upwork.” Available for full builds, ongoing retainers, and rescue projects. 📩 Send me a message. I respond within 30 minutes.

EXPERT PHP DEVELOPER | LARAVEL DEVELOPER, FULL STACK AI DEVELOPER, CUSTOM PHP DEVELOPER, API INTEGRATIONS Hello! I'm M. Umair, a Senior PHP Developer & Full Stack AI Developer with 9+ years of experience building scalable, high-performance web applications. I specialize in Laravel, Custom PHP Development, and Full Stack Solutions, delivering secure, optimized, and business-focused applications that align with modern web standards. 🔥 𝗖𝗼𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✅ PHP Development – Custom PHP applications, Laravel, CodeIgniter, CakePHP ✅ Full Stack Development – React, Vue.js, Tailwind CSS, Bootstrap, jQuery, AJAX ✅ API Development & Integrations – REST API, GraphQL, third-party service integrations ✅ Payment Gateways – PayPal, Stripe, Authorize.net, Square, Braintree ✅ Speed & Performance Optimization – Core Web Vitals, SEO, caching, database tuning ✅ Cloud & DevOps – AWS, Cloudflare, Docker, Kubernetes, CI/CD pipelines ✅ Full Stack Development ✅ SaaS Platform Development ✅ AI Applications & Automation ✅ API Development & Integrations ✅ System Architecture & Technical Leadership ✅ Performance Optimization ✅ Cloud Infrastructure & DevOps ✅ MVP Development ✅ Enterprise Software Development ✅ CRM & ERP Systems ✅ Marketplace Platforms ✅ Booking Systems ✅ Internal Business Tools 🧠 AI & Automation ✅ OpenAI / ChatGPT Integrations ✅ AI Agents ✅ Workflow Automation ✅ N8N Automation ✅ AI SaaS Applications ✅ AI Chatbots & Assistants ✅ Document Processing Systems ✅ LLM-Powered Products ✅ AI Content & Data Workflows ✅ Custom AI Integrations 🧱 Backend Development ✅ PHP ✅ Laravel ✅ Symfony ✅ CodeIgniter ✅ CakePHP ✅ Yii / Yii2 ✅ Node.js ✅ Python ✅ FastAPI ✅ Django ✅ REST APIs ✅ GraphQL ✅ Microservices ✅ FilamentPHP ✅ Livewire 🎨 Frontend Development ✅ React.js ✅ Next.js ✅ Vue.js ✅ Nuxt.js ✅ Angular ✅ TypeScript ✅ JavaScript (ES6+) ✅ Tailwind CSS ✅ Bootstrap ✅ Alpine.js ✅ jQuery ✅ AJAX ✅ Realtime Applications ✅ WebSockets 🗄️ Databases & Data ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Redis ✅ Firebase ✅ Firestore ✅ Supabase ✅ MSSQL ✅ Elasticsearch ☁️ Cloud & DevOps ✅ AWS ✅ Microsoft Azure ✅ DigitalOcean ✅ Docker ✅ CI/CD Pipelines ✅ Linux Administration ✅ Ubuntu ✅ AlmaLinux / RHEL ✅ cPanel / WHM ✅ Server Optimization ✅ Application Scaling 🛒 CMS & E-Commerce ✅ WordPress ✅ Shopify ✅ Magento ✅ Shopware ✅ PrestaShop ✅ Custom Themes & Plugins 🔗 Integrations ✅ Stripe ✅ PayPal ✅ Twilio ✅ Google APIs ✅ Google Maps ✅ Xero ✅ Mailchimp ✅ CRM Integrations ✅ ERP Integrations ✅ Payment Gateways ✅ Third-Party APIs 🚀 What I Build • SaaS Platforms • AI-Powered Products • CRM & ERP Systems • Marketplaces • Booking Platforms • Membership Platforms • Admin Dashboards • Internal Business Tools • Customer Portals • Automation Systems • Enterprise Applications • API Platforms 💡 𝗠𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: 🔹 Custom Web App Development – Scalable, mobile-responsive, and SEO-friendly solutions 🔹 API & SaaS Integrations – CRM, ERP, Payment Gateways, Custom API development 🔹 Site Migration & Maintenance – Seamless migration, security updates, bug fixes 🔹 Database Management – MySQL, PostgreSQL, MongoDB, database performance tuning 🚀 𝗪𝗵𝘆 𝗛𝗶𝗿𝗲 𝗠𝗲? ✔ 9+ years of experience in PHP, Laravel, and Full Stack Development ✔ Strong expertise in Custom Web Apps, API Integrations, and Database Management ✔ Client-focused approach I deliver clean, maintainable, and high-performance solutions ✔ Excellent communication, on-time delivery, and long-term client support 📩 Let's Discuss Your Project! Click "Invite" and let's build something amazing together!