𝐒𝐞𝐧𝐢𝐨𝐫 𝐏𝐲𝐭𝐡𝐨𝐧 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 (Python, Django, FastAPI) with 10+ years building production Python backend systems, Python AI/LLM integrations, and Python automation. Top Rated Python Developer with 100% Job Success across 21 Python projects, $100K+ earned, and 3,900+ Python hours delivered. Most Python projects don't fail because the idea was weak. They fail because the Python API is slow, the Python automation breaks under real load, or the Python AI integration gives unreliable answers in production. That's exactly the part I fix as a Python expert. I'm Usman, a Python developer who has worked with startups and businesses across SaaS, fintech, healthcare, and AI, turning rough ideas into reliable Python products that are fast, secure, and built to scale. You won't just get code. You'll get a Python solution that actually moves your business forward. 𝐖𝐇𝐀𝐓 𝐈 𝐂𝐀𝐍 𝐃𝐎 𝐅𝐎𝐑 𝐘𝐎𝐔 𝐏𝐲𝐭𝐡𝐨𝐧 𝐀𝐈, 𝐋𝐋𝐌𝐬 & 𝐑𝐀𝐆 - Python LLM integration: OpenAI GPT, Anthropic Claude, Gemini, open-source models - Production Python RAG pipelines: chunking, embeddings, vector search, reranking, evaluation - Python AI agents and chatbots for sales, CRM, support, and workflow automation - LangChain, LangGraph orchestration in Python; Pinecone and vector databases - Accurate, reliable AI output tuned for production, not just "it works" 𝐏𝐲𝐭𝐡𝐨𝐧 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬 - Scalable Python backend APIs with Django, Django REST Framework, FastAPI, Flask - Python SaaS architecture: multi-tenant, auth, billing, admin dashboards - Microservices and async processing with Celery, Redis queues, and webhooks - Solid database design: PostgreSQL, Redis, MongoDB - Third-party integrations: Stripe, Twilio, and REST/webhook APIs 𝐏𝐲𝐭𝐡𝐨𝐧 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐃𝐚𝐭𝐚 - Python automation systems and ETL pipelines built from scratch - Python web scraping and structured data delivery - No-code/low-code automation with n8n, Make, and Zapier 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬 - AWS, GCP, Docker, Kubernetes - CI/CD with GitHub Actions, monitoring, and long-term support 𝐑𝐄𝐒𝐔𝐋𝐓𝐒 𝐈'𝐕𝐄 𝐃𝐄𝐋𝐈𝐕𝐄𝐑𝐄𝐃 - Top Rated Python developer with 100% Job Success across 21 projects - $100K+ earned, 3,910+ hours delivered, strong long-term client retention - Delivered 2,258 hours of Python automation on a single long-term project - Diagnosed and fixed critical Python issues fast on stuck or broken projects 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐖𝐎𝐑𝐊 𝐖𝐈𝐓𝐇 𝐌𝐄 - Fast, clear communication with no guesswork - Reliable delivery with no missed deadlines - Production-ready Python solutions built to last - Long-term support after delivery 𝐀𝐕𝐀𝐈𝐋𝐀𝐁𝐈𝐋𝐈𝐓𝐘 Timezone GMT+5, with flexible overlap for US, UK, and EU hours. Full-time, part-time, or project-based, ready to start within days. 𝐀𝐃𝐃𝐈𝐓𝐈𝐎𝐍𝐀𝐋 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 - Python performance optimization, debugging, and code refactoring for legacy systems - API integrations, payment gateways, and real-time data processing in Python - Technical consulting, code reviews, and architecture planning for Python projects Whether you want to build a new Python project, fix a stuck Python project, or scale your existing Python system, send me a message and let's discuss how my Python expertise can help. I deliver clean, production-ready Python code with long-term support, so your Python solution keeps performing long after delivery.

I ship production SaaS that scales - not just vibe code. 👉 Hit "Invite to Job” - discuss your solution 🎖 Top 3% on Upwork · 100% Job Success · 7+ years · 5-person team 💼 Sony PlayStation · YC-backed startups · $4.2M+ raised by clients Recent full-stack builds: Recent full-stack builds: → 𝗕𝗲𝘀𝘁𝗶𝗻𝗳𝗼𝗿𝗺.𝗲𝘂: international airline ticketing platform. Java + Angular with complex GDS integrations, payment gateways, secure auth. Built the entire CI/CD pipeline on VPS with GitHub Actions, end-to-end. → 𝗦𝗼𝗻𝘆 𝗣𝗹𝗮𝘆𝗦𝘁𝗮𝘁𝗶𝗼𝗻: rebuilt the survey processing backend from scratch. Migrated slow Python logic into performance-critical services, rewrote the database layer and ETL pipeline. 120x faster at 5M+ record scale (days down to hours). → 𝗔𝗽𝗵𝗿𝗮.𝗺𝗲: real-time AI video avatar with live STT/TTS. 17K+ active users on the backend + agents I architected. Python + WebSockets + NextJS. → 𝗲𝗫𝗲𝗹𝗲𝗿𝗲𝘁𝗲 (𝗔𝗹𝗼𝗔𝗶): multi-tenant dental SaaS. Any dental clinic logs in and manages their entire client pipeline end-to-end. White-label ready. → 𝗞𝗖𝗡𝗟.𝗲𝘂: enterprise B2B invoice AI for 10K companies, 100K+ invoices/month. Replaced a $100K/mo LLM bill with hybrid open-source stack at $1.5K/mo (GDPR compliant). → 𝗥𝗚𝗥 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴: ed-tech platform (𝘳𝘦𝘢𝘭𝘭𝘺𝘨𝘳𝘦𝘢𝘵𝘳𝘦𝘢𝘥𝘪𝘯𝘨.𝘤𝘰𝘮). Built the backend pipeline that generates 30,000+ realistic icon variants for adult learners using fine-tuned Flux + custom AI stack. ───────────────────────────────────── WHAT CLIENTS SAY ───────────────────────────────────── "Muhammad is a cooperative and very supportive person. Excellent command of programming skills. Finished the project within two days and resolved the issue." - Voice AI healthcare client, $15K contract, Jan 2026 "He did an excellent job on our WhatsApp Flow project and delivered results better than what we originally had in mind." - FGC Perfume Kuwait "Highly recommend Muhammad. Knowledgeable, communicative, responsible. Delivered exactly what I needed.” - Consultation, Nov 2025 ───────────────────────────────────── WHY I'M DIFFERENT ───────────────────────────────────── I lead a 5-person senior engineering team. Builds that take a solo freelancer 4 months, I ship in 6–8 weeks without cutting corners. One accountable technical lead, one invoice, a real team behind the work. 100% Job Success ───────────────────────────────────── WHERE I DELIVER MOST VALUE ───────────────────────────────────── → SaaS MVPs from Figma to production in 6–10 weeks → Migrating legacy codebases to modern stacks (Python 2→3, PHP→Node, jQuery→React, monoliths→microservices) → Performance optimization (I've shipped 10x–120x speedups on production systems) → Full-stack apps with complex third-party integrations - payments, auth, CRM (GoHighLevel, HubSpot), GDS, shipping, WhatsApp Business API, telephony → CI/CD + infrastructure setup so your team can ship daily instead of monthly → Rescuing projects another dev abandoned or broke ───────────────────────────────────── TECH STACK ───────────────────────────────────── 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Next.js, React, TypeScript, Tailwind, Redux, React Query, Vite, Angular, Three.js, WebGL, responsive UI 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Python (FastAPI, Django, Flask), Node.js, Express, NestJS, Java (Spring Boot), Go, WebSockets, REST, GraphQL, gRPC 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MongoDB, Redis, Supabase, Firebase, DynamoDB, BigQuery, MySQL Cloud & DevOps: AWS (EC2, Lambda, S3, RDS, ECS), GCP, Docker, Kubernetes, GitHub Actions, Terraform, Vercel, Netlify, Nginx, VPS automation, monitoring (Sentry, Datadog) 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Stripe, PayPal, Twilio, SendGrid, Auth0, OAuth/SSO, GoHighLevel, HubSpot, Salesforce, WhatsApp Business API, webhooks 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Pytest, Jest, Playwright, Cypress ───────────────────────────────────── HOW I WORK ───────────────────────────────────── → Free 30-min scoping call before I quote anything → Fixed-milestone proposals with clear deliverables no surprise invoices → 1-week sprints with a working demo every Friday → Daily updates in your preferred channel (Slack, Loom, email) → 30-day bug-fix window included on every project at no extra cost ───────────────────────────────────── PROBABLY NOT RIGHT IF YOU WANT ───────────────────────────────────── → The cheapest bid on the project → A dev who'll just "do what the spec says" without pushing back If you want a senior engineer who actually gives a damn about what gets shipped, that's me. 𝗣𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼: 𝘤𝘰𝘥𝘦𝘸𝘪𝘵𝘩𝘩𝘢𝘴𝘦𝘦𝘣.𝘤𝘰𝘮

I only win when your product wins ✨ Let’s turn your vision into reality 🚀 The AI products I’ve built and scaled from scratch now generate hundreds of thousands in revenue💰, serve 100,000+ DAUs combined, and continue to grow rapidly in highly competitive markets. 🥇With 8+ years of experience, having worked with ex-Meta and ex-Microsoft engineers, and having built AI chat systems, voice agents, RAG-based copilots, realtime platforms, and multi-tenant SaaS systems across multiple industries (healthcare, finance, education, real estate, and more), I bring the technical depth + product mindset needed to ship production-ready AI software that actually scales. 🏆 My goal is simple: make your next AI product successful end-to-end. I don’t just write code. I help you architect, launch, scale, and operate a real business. From engineering to customer support, marketing funnels, sales pipelines, onboarding flows, and growth automation. I partner with you as someone who wins only when your product wins. That has been my philosophy since day one: every product I work on must become a success story. Whether you're building an AI SaaS, automation tool, ERP/CRM, lead-gen engine, or a fully custom enterprise system. I help craft scalable architecture, build fast, iterate faster, and turn your idea into a revenue-generating product. What I Can Do For You - Build and scale AI SaaS platforms (OpenAI, Langchain, multi-tenant setups, RAG, AI Chat Agents, AI Voice Agents) - Automate business workflows with custom ERP systems - Integrate AI agents, LLMs, and chatbots into your apps or tools - Design clean, modern frontends with React, Next.js, Tailwind - Deploy APIs, backends, and services with Docker, AWS, CI/CD pipelines Mastered Tools/Technologies: Back-end: - Python (Django, Django Rest Framework, Flask, FastAPI) - Javascript (TypeScript), Node.js (Express) Front-end: - React.js, Next.js, Vue.js - HTML, CSS, Bootstrap - JavaScript, JQuery, & more AI - AI Chatbots, AI Voice Agents: OpenAI, ChatGPT, Claude, Pinecone, Redis, Langchain, Twilio - TensorFlow, PyTorch, Keras, Scikit-learn - OpenCV, Natural Language Processing (NLP): NLTK, spaCy - Data Analysis Libraries: Pandas, NumPy - Data Visualization: Matplotlib, Seaborn - Machine Learning Algorithms - Deep Learning Databases: - PostgreSQL - MySQL - SQL Server - MongoDB - SQLite DevOps & Cloud: - Heroku - AWS (EC2, S3, RDS, CloudFront, etc.) - Google Cloud Platform components Third Party Integrations: - OpenAI/ChatGPT, Claude, Gemini, ML Models - Twilio - Stripe - Google Suite - Twitter API - Meta (Facebook, Messenger, Whatsapp, Instagram) - Reddit - Asana - Zoom - Slack - Numerous other third party integrations.. For Teamwork & Project Flow: - Git tools (Github, GitLab) - Asana, Jira, Trello What I Offer (Partnering with Me Guarantees): - Excellence in Code: Industry-leading practices for scalable, maintainable, robust, and clean code. - Communication: Clear, effective, and always in sync. - Efficiency: On-time delivery, with a track record of staying on budget. - Honesty: Straightforward about feasibility, avoiding pitfalls. - Transparency: Commitment to full 100% refunds if standards are not met or you are not satisfied - Data-Driven: Steering towards informed decisions for product success. - Availability: Quick replies within 20 minutes, unless I'm sleeping. My Philosophy: Every line of code is a testament to my dedication to your project's success. I'm passionate about turning innovative ideas into technological realities, ensuring each project surpasses expectations. Why Choose me? Whether you need to design a new SaaS product, scale infrastructure, or integrate advanced AI agents, I bring both technical depth and founder-level product vision to ensure your project delivers measurable impact. I've built software for millions of users and launched multiple profitable AI products. ⭐⭐⭐⭐⭐ "Muhammad is an ultimate professional! Excellent character combined with his excellent knowledge make him one of the best partners I have ever had! He knows how to take the initiatives that are necessary and the end result was more than I thought! The future really belongs to him. Trust him and you won't lose!"" Ready to build your AI-powered SaaS? Let's talk Tech Stack: AI SaaS Developer, AI Engineer, Full Stack AI Developer, LLM Engineer, RAG Engineer, Retrieval Augmented Generation, AI Agent Developer, AI Chatbot Developer, AI Voice Agent Developer, OpenAI Developer, ChatGPT Developer, LangChain, LangGraph, LlamaIndex, Vector Databases, Pinecone, Qdrant, pgvector, Semantic Search, Embeddings, AI Copilot Development, AI Automation, Workflow Automation, Custom AI Software, AI Product Development, AI SaaS Architect, Multi-Tenant Architecture, Real-Time Systems, Python Developer, Django, FastAPI, Flask, React Developer, Next.js, PostgreSQL, Redis, AWS, Docker, CI/CD, Stripe Integration, SaaS Payments, Twilio, Slack Bots, API Integrations, Machine Learning, NLP

Experienced Software Engineer with over 15 years in designing and implementing software solutions for various products and services. Skilled in Backend development and cloud technologies, seeking opportunities to drive business success through software development. MAIN APPROACH IN DEVELOPMENT: • GenAI Aider (Gemini + Deepseek) • Python 3.10+ • UV • Clean Architecture • Docker • FastAPI (if REST needed) • One or more of: PostgreSQL, Redis, MongoDB ALL SKILLS • GenAI (Aider) • FastAPI • Django • Django REST Framework • UV • Poetry • Pydantic • SQLalchemy • PostgreSQL • pytest • Docker • Poetry • Git • Boto3 • Sentry • Ubuntu Linux • Nginx • uWSGI • Uvicorn • Gunicorn • CI/CD • MongoDB • Celery • Sentry • Google Cloud Platform: GAE, GCE, GKE • AWS: ECS Fargate, ECR, Route 53, EC2, API Gateway, Lambda PRINCIPLES • PEP8 • TDD • GoF • SOLID • KISS • DRY • YAGNI • Clean Architecture WORK EXPERIENCE • Market Games - USA, CA | Sep, 2019 - Present | Software Architect • Backend Engineer • Moneyflow - Denmark | Oct, 2018 - Aug, 2019 | Python Django Developer • GERTdigital - Denmark/Russia | 2015 - 2018 | CTO • Co-Founder • Full-stack Engineer • ARFriendly OOO - Russia | 2013 - 2014 | Python Django Developer • Self-Employment - Russia | 2009 - 2013 | Full-stack Engineer: HTML/CSS/jQuery + Django • WEBMOTOR agency - Russia | 2009 | Junior full-stack developer: HTML/CSS/jQuery, PHP, MySQL • SPEKTR - Russia | 2007 - 2008 | Junior C++ developer EDUCATION Bachelor Degree in IT of Ural State University, Russia | 2002 - 2009

I am an Experienced Full Stack AI Developer. We are one of the DjangoCon US sponsors and official Django CMS technology partners. I have 11+ years of experience with Python, Django, and Django Rest Framework, and I have 8+ years of experience with Angular. I have worked with Relational and non-relational databases like PostgreSQL, MongoDB, and Elastic Search. Regarding cloud, I have experience with Google Cloud and AWS resources. I am an expert software architect for auto-scaling solutions. I also have experience in expanding and maintaining software systems working in production. I am a positive person who always comes up with fresh and simple solutions for complex problems. I always think from the user's point of view while developing and providing a smooth and standard experience to users along with coding standards as per specific platforms. Let's add value together in your project, it is my hobby to own the ownership of work, I blindly do not follow instructions at my job, I validate instructions and if there is a better way of completing work keeping end users in mind, I suggest better ways.

I am a highly skilled software developer with 3 year of strong experience over Upwork and problem-solver dedicated to helping clients achieve their goals through innovative and efficient technology solutions. My expertise spans software development, web development , data extraction, and automation, ensuring customized outcomes tailored to each project's unique needs. Key Skills: 1. Software Development: Proficient in Python, C, C++, JavaScript, and TypeScript, creating custom scripts, applications, and tools. 2. Frontend Development: Skilled in HTML, CSS, Tailwind, Material UI, and ReactJS, leveraging NextJS for building modern, responsive user interfaces. 3. Backend Development: Experienced in Node.js, Django, RESTful APIs, and building robust backend systems for scalable applications. 4. Database Management: Proficient in Supabase, MySQL, PostgreSQL, working with ORMs like Prisma. 5. Web Scraping and Automation: Expertise with Selenium, Playwright, BeautifulSoup, Scrapy, and dynamic content extraction. 6. Cloud-Native Application Development: Expertise in Cloudflare Workers, Vercel, and Netlify to build and deploy Serverless and Edge computing applications. 7. Cloud and DevOps: Deploying scalable applications with AWS, Docker. 8. Version Control & Collaboration: Using Git, Github, Slack, Trello and Jira for efficient project management. Why Choose Me: I deliver high-quality solutions tailored to your specific requirements. With strong technical expertise and a problem-solving mindset, I aim to bring value to your projects and contribute to your success.

I’m a pragmatic full-stack developer with 5+ years of experience specializing in Python (Django, Flask), React, and production REST APIs. I ship reliable, scalable web apps and backend systems with clean PostgreSQL designs and repeatable deployment processes. I’ve led releases, implemented CI/CD workflows, and designed optimized PostgreSQL schemas for high-read systems. Recent contract work involved debugging large Django codebases, building APIs for dashboards, and delivering frontends for Elixir/Phoenix projects. I prioritize clean architecture, automated tests, and clear communication so you get reliable code and predictable delivery. My approach is API-first, testable, and focused on user experiences and robust functionality. My Full Tech Stack (high level) Frontend: React (hooks, component libraries), JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, Bootstrap, SASS, responsive design. Backend: Python (Django, Flask, FastAPI) Elixir / Phoenix; RESTful API design, JWT/OAuth auth, WebSockets. Node.js, Express.js, PHP, Laravel. GraphQL, microservices, authentication systems Data & infra: PostgreSQL (schema design, indexing, migrations), MySQL, SQL performance tuning, ETL & data extraction scripts, Docker, CI/CD. AWS, Vercel, Render, Heroku RESULTS I DELIVERED As a Django expert, I supported a large production platform (Founders Network) for ~948 hours, resolving critical bugs, shipping system upgrades, and maintaining a 5.0 client rating. As an API & Backend expert, I built and shipped core APIs and backend workflows for apprent.com, taskeen.sa, and dietcity.sa, delivering secure subscription and booking flows, reliable background jobs, and maintainable, well-documented endpoints. As an Elixir / Phoenix & Frontend expert, I delivered UI work ahead of schedule for a Phoenix project. Clients praised my responsiveness and clarity in communication. If you want a partner to take your project from spec to production, audit and stabilize an existing system, or build a fast MVP, Let's Connect! Keywords: Full Stack Developer, Web Developer, MERN Stack Developer, MEAN Stack Developer, JavaScript Developer, React.js Developer, Node.js Developer, Next.js Developer, Angular Developer, Vue.js Developer, PHP Developer, Laravel Developer, Python Developer, Django Developer, API Development, REST API, GraphQL, MongoDB Developer, MySQL Developer, PostgreSQL Developer, AWS Developer, Cloud Developer, Frontend Developer, Backend Developer, Software Engineer, E-commerce Website Development, SaaS Developer

I design and build AI-powered SaaS platforms, automation systems, and intelligent workflows that help businesses reduce manual work and scale efficiently. My focus is on taking products from early-stage ideas to production-ready systems. I work closely with startups and product teams to build AI systems that are not just functional, but stable, maintainable, and aligned with real business use cases. 🔹 What I build * AI SaaS platforms with structured user workflows and scalable backend systems * RAG-based knowledge systems for internal tools, support, and data retrieval * AI agents for automating repetitive operations and decision workflows * Custom AI features integrated into existing web applications 🔹 Tech stack & architecture AI / LLM * OpenAI API, Claude, Gemini * LangChain, LangGraph * Retrieval-Augmented Generation (RAG) * Vector databases and embeddings Backend * Python (FastAPI, Django) * REST APIs, background jobs, async processing Frontend * React, Next.js, TypeScript * Modern SaaS UI with real-time AI interactions Infrastructure * PostgreSQL, MongoDB, Redis * AWS, Docker, CI/CD pipelines 🔹 Experience & work I’ve worked on AI systems used by real users, including: * Market intelligence platforms using RAG and vector search * AI automation systems that significantly reduced manual workflows * Scalable AI-backed applications handling continuous usage My approach is always focused on building systems that work reliably in production, not just prototypes. 🔹 How I work * Clear architecture planning before development * MVP-first approach → then scaling and optimization * Clean, maintainable code with proper documentation * Transparent communication and realistic timelines If you are building an AI product or integrating AI into your system, I can help you design and implement a solution that is stable, scalable, and production-ready. Skills Python, FastAPI, Django, React, Next.js, OpenAI API, LangChain, RAG, API Development, PostgreSQL, AWS, Docker

When businesses need a web application built right on time, scalable, and without constant hand holding - they hire me. I'm a Senior Full-Stack Developer with 9+ years of experience delivering SaaS platforms, enterprise dashboards, and AI powered web applications for clients across the globe. I don't just write code -- I solve business problems. 🔹 What I Build - SaaS Platforms & Multi-tenant Web Applications - Enterprise Dashboards & Admin Panels - AI/ML Integrated Web Apps & Automation Tools - E-commerce Solutions - REST & GraphQL APIs with Node.js / Python 🔹 Tech Stack - Frontend: React.js, Next.js 14+, Angular 18+, TypeScript, Tailwind CSS, shadcn/ui - Backend: Node.js, Express, Python (Django/FastAPI), GraphQL, REST APIs - Database: PostgreSQL, MongoDB, MySQL, Firebase, Redis - Cloud & DevOps: AWS, GCP, Docker, CI/CD Pipelines - AI/ML: OpenAI API, LangChain, Vector DBs, AI Agents 🔹 Why Clients Choose Me ✅ 100% Job Success Score - every project delivered with care ✅ 9+ years of real-world production experience ✅ Clear, proactive communication throughout the project ✅ Pixel-perfect UI with robust, clean backend architecture ✅ Long-term thinking - I build to scale, not just to ship Whether you're launching a new product or scaling an existing platform, I'll help you get there faster and with fewer headaches. 📩 Send me a msg - let's discuss your project today.

From a business idea to a scalable, high-performance backend system, I deliver solutions that are not just functional but built to scale, perform, and succeed. I specialize in Golang & Python development, crafting robust APIs, event-driven architectures, and data-intensive systems that power real-world products, from eCommerce platforms and fintech applications to AI/ML-powered solutions and real-time data pipelines. If you’re looking for a backend engineer who can own your project end-to-end, from architecture design to production deployment, I can be your one-stop solution. What I Deliver Backend Development – APIs with Go (Fiber, Gin), Python (Flask), gRPC, and WebSockets. Scalable Microservices – Event-driven systems with Kafka, Redis, and async schedulers. Database Expertise – PostgreSQL, MongoDB, TimescaleDB with schema optimization & indexing. 3rd-party Integrations – Payment Processing, Recommendation Systems, Automated Messaging, and Emails. AI & Data Systems – Real-time analytics, ML/NLP pipelines, OCR, predictive modeling. DevOps & CI/CD – Dockerized deployments, GitHub Actions automation, cloud-ready apps. Tech Stack 🔹 Languages: Golang, Python 🔹 Frameworks: Fiber, Gin, Flask 🔹 Databases: PostgreSQL, MongoDB, TimescaleDB, Redis, CockroachDB, ElasticSearch. 🔹 Technologies: gRPC, GraphQL, Debezium, JWT/Paseto, WebRTC, Celery, Asynq. 🔹 Messaging/Events: Kafka, RabbitMQ, WebSockets, Webhooks. 🔹 DevOps: Docker, GitHub Actions, Automated Testing. 🔹 Deployments: Clouds(AWS, GCP). 🔹 Integrations: Stripe, Klaviyo, SearchSpring, Twilio, Google Merchant Center. Industries I’ve Built For E-Commerce & Marketplaces – High-concurrency platforms with secure payments & advanced product search. Smart Infrastructure & IoT – Vehicle tracking, RFID ingestion, real-time data sync. Fintech & Trading Apps – Live streaming data, ML-driven signals, secure user management. Food & Delivery Platforms – Microservices for orders, payments, and logistics. AI & NLP – Sentence correction, OCR pipelines, and AI-powered automation. I don’t just write code — I build backend engines that accelerate business growth. Whether you need a new system from scratch or to scale your existing product, I’ll help you architect, develop, and deploy with confidence. Let’s jump on a call to discuss how we can turn your backend into your biggest growth driver.