Looking for a backend engineer who ships production systems, not prototypes? I design and build secure, scalable backend and full-stack applications in Python, Django, Django REST Framework, and FastAPI, built to handle real load, real data, and real users. If your product needs a solid backend, clean APIs, and an architecture that won't fall over as you grow, I deliver complete, production-ready systems from database to deployment. With 5+ years in backend and full-stack development, I write maintainable code, design for scale from day one, and ship. 𝑾𝒉𝒂𝒕 𝑰 𝑫𝒐 𝑩𝒆𝒔𝒕 ➤ Backend & API Development ✔ REST API design with authentication, permissions, and versioning ✔ Python, Django, Django REST Framework, and FastAPI services ✔ Scalable backend architecture and clean, modular system design ✔ Performance optimisation, caching, and load handling ✔ Secure, maintainable, well-tested code from day one ➤ Full-Stack & SaaS Platforms ✔ End-to-end SaaS products from database schema to deployment ✔ API-driven platforms and multi-tenant applications ✔ Admin dashboards, reporting backends, and internal tools ✔ Authentication, roles, billing, and user management ✔ Dockerised deployments built for long-term growth ➤ Databases & Data Engineering ✔ PostgreSQL and MySQL with query optimisation and complex filtering ✔ Schema design, migrations, and data integrity at scale ✔ ETL pipelines and multi-source data integration ✔ Web scraping and data aggregation from third-party APIs ✔ Background processing with Celery for real-time and scheduled jobs ➤ AI Integration (when you need it) ✔ OpenAI (GPT-4), Claude, and LLM integration with structured outputs ✔ AI features built into real products, not demos ✔ Automated reporting, scoring, and intelligent processing pipelines ➤ Automation (when it fits) ✔ Event-driven backend automation and API orchestration ✔ Workflow automation in n8n, Make, and Zapier when a no-code layer makes sense 𝑪𝒐𝒎𝒎𝒐𝒏 𝑷𝒓𝒐𝒃𝒍𝒆𝒎𝒔 𝑰 𝑺𝒐𝒍𝒗𝒆 ✔ Backends that weren't built to scale and are now creating bottlenecks ✔ Messy, undocumented code that's hard to extend or maintain ✔ Slow queries and databases that buckle under real traffic ✔ APIs that are insecure, inconsistent, or poorly designed ✔ Disconnected tools and services that don't talk to each other ✔ AI or automation bolted on instead of properly architected 𝑹𝒆𝒄𝒆𝒏𝒕 𝑷𝒓𝒐𝒋𝒆𝒄𝒕𝒔 ✔ Built a business risk scoring platform with a custom scoring engine, automated data aggregation, and AI-generated narrative reports, replacing a fully manual process ✔ Developed multi-source data pipelines pulling state records, licensing platforms, and external APIs into a unified verification platform ✔ Engineered a Django + Celery + PostgreSQL backend handling real-time and scheduled processing at scale ✔ Designed and shipped API-driven platforms with clean authentication, dashboards, and reporting 𝑾𝒉𝒂𝒕 𝒀𝒐𝒖 𝑮𝒆𝒕 ✔ Full backend and full-stack design, development, and deployment ✔ Production-ready code that is documented, tested, and maintainable ✔ Scalable architecture built for long-term growth ✔ Clean API design with proper authentication and security ✔ Systems that run reliably without babysitting 𝑾𝒉𝒚 𝑪𝒍𝒊𝒆𝒏𝒕𝒔 𝑾𝒐𝒓𝒌 𝑾𝒊𝒕𝒉 𝑴𝒆 ✔ Real-world backend experience, not tutorial-level work ✔ Strong system design and database fundamentals ✔ Comfortable across the full stack, from database to API to deployment ✔ Reliable delivery with clear communication throughout ✔ Every solution aligned with your business goals, not just the ticket ✔ From concept to deployment, complete, not half-finished Python Developer, Backend Developer, Django Developer, Django REST Framework, FastAPI Developer, REST API Development, Full Stack Developer, SaaS Development, Backend Architecture, System Design, API Integration, PostgreSQL, MySQL, Database Optimisation, Celery, Redis, Docker, ETL Pipeline Developer, Data Pipeline Developer, Web Scraping, OpenAI Integration, GPT-4, LLM Integration, AI Integration, n8n, Make, Zapier, Automation.

𝗠𝗼𝘀𝘁 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝗮𝗿𝗲 𝘀𝗶𝘁𝘁𝗶𝗻𝗴 𝗼𝗻 $50𝗞–$500𝗞 𝗶𝗻 𝘄𝗮𝘀𝘁𝗲𝗱 𝗵𝗼𝘂𝗿𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝗼𝗽𝘀, 𝘀𝗮𝗹𝗲𝘀, 𝗮𝗱𝗺𝗶𝗻, 𝗮𝗻𝗱 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗵𝗼𝘂𝗿𝘀 𝘁𝗵𝗮𝘁 𝗔𝗜 𝗰𝗮𝗻 𝗲𝗹𝗶𝗺𝗶𝗻𝗮𝘁𝗲. 𝗜 𝗯𝘂𝗶𝗹𝗱 𝘁𝗵𝗲 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝗿𝗲𝗰𝗹𝗮𝗶𝗺 𝗶𝘁. I've helped 10+ businesses across healthcare, distribution & fenestration, hospitality, construction, jewellery & gemstone, local services, and enterprise SaaS implement production-grade AI that delivers measurable ROI. Not prototypes. Not demos. Real systems running 24/7. 𝐑𝐞𝐜𝐞𝐧𝐭 𝐫𝐞𝐬𝐮𝐥𝐭𝐬 𝐛𝐲 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐲: ➞ 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 — AI voice notetaker saving physicians 6+ hours/week (–40% patient follow-ups) · HIPAA-compliant voice AI converting oncology consults into clear patient summaries · AI clinical decision support & diagnostic chatbot with secure, account-isolated access to patient data. ➞ 𝐃𝐢𝐬𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧 & 𝐅𝐞𝐧𝐞𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 — AI order parsing across 25,000+ SKUs · processing time cut from 30 minutes to <1 minute · 97% accuracy · 70% faster fulfillment · 100% elimination of manual entry · conversational AI portal for natural language access to orders, invoices, inventory, support cases, and reports. ➞ 𝐇𝐨𝐬𝐩𝐢𝐭𝐚𝐥𝐢𝐭𝐲 — AI voice + WhatsApp agent handling 95%+ of bookings and inquiries automatically · zero dropped leads · GDPR-compliant. ➞ 𝐂𝐨𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧 — Automated lead discovery agent identifying capital campaigns, grants, and property opportunities · 90%+ lead relevance · removes manual sourcing. ➞ 𝐋𝐨𝐜𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 — Fully autonomous AI booking agent managing appointments, rescheduling, cancellations, and CRM updates with zero human involvement. ➞ 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐚𝐚𝐒 — Centralized AI Hub replacing 5+ tools · SSO, credit controls, audit trails, and interconnected agents inside one unified dashboard. 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: ✅ 𝐀𝐈 𝐎𝐫𝐜𝐡𝐞𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧: LangChain, LangGraph, LlamaIndex, Pydantic AI, Google ADK, OpenAI API, Claude, AWS Bedrock, Vertex AI, MCP Servers ✅ 𝐀𝐠𝐞𝐧𝐭𝐢𝐜 𝐀𝐈: AI Agents, Multi-Agent Systems, Agentic Workflows, Autonomous Systems, Workflow Orchestration ✅ 𝐕𝐨𝐢𝐜𝐞 & 𝐒𝐩𝐞𝐞𝐜𝐡 𝐀𝐈: Retell AI, OpenAI Realtime API, OpenAI TTS, ElevenLabs, Whisper, Voice Agents, STT, TTS ✅ 𝐑𝐀𝐆 & 𝐕𝐞𝐜𝐭𝐨𝐫 𝐃𝐁𝐬: RAG Pipelines, Pinecone, Weaviate, ChromaDB, Azure AI Search, OpenSearch, Hybrid Search ✅ 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞: PDF parsing, OCR, PO automation, Document Q&A, ERP integrations (NetSuite, Oracle) ✅ 𝐎𝐛𝐬𝐞𝐫𝐯𝐚𝐛𝐢𝐥𝐢𝐭𝐲: LangSmith, Logfire, Phoenix (Arize), DeepEval, LLM evaluation, prompt testing ✅ 𝐏𝐫𝐨𝐦𝐩𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: Prompt design, chaining, system architecture, optimization, structured outputs, function calling ✅ 𝐆𝐞𝐧𝐀𝐈 𝐌𝐨𝐝𝐞𝐥𝐬: GPT-4o, GPT-4 Turbo, o1, o3, Claude (Sonnet, Opus, Haiku), Gemini 1.5 Pro, Gemini 2.0 Flash, Whisper, ElevenLabs ✅ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐈𝐧𝐟𝐫𝐚: Python, FastAPI, Django, Flask, Docker, Kubernetes, AWS, Azure, GCP, DigitalOcean ✅ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, Streamlit ✅ 𝐃𝐚𝐭𝐚: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Celery, ETL pipelines ✅ 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: HubSpot, Salesforce, NetSuite, Zapier, Make, Slack, MS Teams, Stripe, REST, GraphQL ✅ 𝗜’𝗺 𝗮 𝗴𝗼𝗼𝗱 𝗳𝗶𝘁 𝗶𝗳: * Your company has 5+ employees * You’re the decision-maker * Your budget is at least $5K * You’re targeting $10K+ in measurable savings within 90 days * You’re ready to start within 2 weeks ❌ 𝗜’𝗺 𝗻𝗼𝘁 𝗮 𝗴𝗼𝗼𝗱 𝗳𝗶𝘁 𝗶𝗳: * Price is your main decision factor * You expect results in under 2 weeks * You’re in gambling or adult industries * You don’t value collaboration and mutual respect * You’re not coachable 𝗜𝗳 𝘆𝗼𝘂 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲, 𝗵𝗲𝗿𝗲’𝘀 𝘄𝗵𝗮𝘁 𝘆𝗼𝘂 𝗴𝗲𝘁: * Zero surprises → Every milestone, deliverable, and cost is defined upfront. No scope creep. No hidden fees. *On-time, on-budget delivery → 93% track record. I scope precisely and deliver exactly what I commit to. * Fast communication → You’ll hear back within 30 minutes. Consistently. * End-to-end ownership → From idea to production, I take full responsibility. * Proven expertise → Expert-vetted on Upwork with a perfect 5-star track record. Top 1% quality, backed by real results.

With a rich background spanning over 5 years in the realm of Web Development, I have honed my expertise across a spectrum of technologies. 🟢 On the backend, I command the Python stack with proficiency in Django, FastAPI, Flask, and Falcon. 🟢 On the frontend, I navigate the diverse landscape of the Javascript stack, encompassing React, Vue, and Next. Beyond these core technologies, my enthusiasm extends to versatile platforms like WordPress, and I find joy in harnessing the power of Docker. My commitment to staying abreast of modern technologies ensures that I approach each project with a dynamic and comprehensive skill set, ready to craft innovative solutions at the intersection of backend and frontend development. What sets me apart is my resourcefulness in programming, enabling me to navigate diverse challenges with ease. I have a proven track record of creating scripts to integrate enterprise asset management systems with other systems, facilitating seamless communication and data exchange. Let's collaborate to bring your projects to life. Contact me, and let's build something exceptional together.

𝐈 𝐡𝐞𝐥𝐩 𝐒𝐚𝐚𝐒 𝐟𝐨𝐮𝐧𝐝𝐞𝐫𝐬, 𝐅𝐢𝐧𝐓𝐞𝐜𝐡 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐀𝐈, 𝐚𝐧𝐝 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐛𝐮𝐢𝐥𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐬𝐞𝐜𝐮𝐫𝐞, 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐮𝐬𝐢𝐧𝐠 𝐏𝐲𝐭𝐡𝐨𝐧 (𝐅𝐚𝐬𝐭𝐀𝐏𝐈, 𝐃𝐣𝐚𝐧𝐠𝐨, 𝐅𝐥𝐚𝐬𝐤) 𝐚𝐧𝐝 𝐍𝐨𝐝𝐞.𝐣𝐬 (𝐍𝐞𝐬𝐭𝐉𝐒, 𝐄𝐱𝐩𝐫𝐞𝐬𝐬). I specialize in 𝐦𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞, 𝐀𝐏𝐈 𝐝𝐞𝐬𝐢𝐠𝐧, 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐬𝐲𝐬𝐭𝐞𝐦𝐬, 𝐀𝐈 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞-𝐠𝐫𝐚𝐝𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 for web and mobile applications. Core Expertise: - 𝐑𝐄𝐒𝐓, 𝐆𝐫𝐚𝐩𝐡𝐐𝐋, 𝐠𝐑𝐏𝐂, 𝐖𝐞𝐛𝐡𝐨𝐨𝐤𝐬, 𝐉𝐖𝐓, 𝐎𝐀𝐮𝐭𝐡2, 𝐑𝐁𝐀𝐂, 𝐌𝐅𝐀 - 𝐀𝐖𝐒, 𝐃𝐨𝐜𝐤𝐞𝐫, 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬, 𝐋𝐚𝐦𝐛𝐝𝐚, 𝐓𝐞𝐫𝐫𝐚𝐟𝐨𝐫𝐦 - 𝐖𝐞𝐛𝐒𝐨𝐜𝐤𝐞𝐭𝐬, 𝐑𝐞𝐝𝐢𝐬, 𝐊𝐚𝐟𝐤𝐚, 𝐄𝐯𝐞𝐧𝐭-𝐃𝐫𝐢𝐯𝐞𝐧 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 - 𝐏𝐨𝐬𝐭𝐠𝐫𝐞𝐒𝐐𝐋, 𝐌𝐨𝐧𝐠𝐨𝐃𝐁, 𝐑𝐞𝐝𝐢𝐬 - 𝐒𝐭𝐫𝐢𝐩𝐞, 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞, 𝐎𝐩𝐞𝐧𝐀𝐈, 𝐙𝐚𝐩𝐢𝐞𝐫, 𝐧8𝐧 - 𝐆𝐢𝐭𝐇𝐮𝐛 𝐀𝐜𝐭𝐢𝐨𝐧𝐬, 𝐉𝐞𝐧𝐤𝐢𝐧𝐬, 𝐃𝐨𝐜𝐤𝐞𝐫 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬, 𝐓𝐞𝐫𝐫𝐚𝐟𝐨𝐫𝐦 Solutions I Deliver: - 𝐇𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐀𝐏𝐈𝐬 & 𝐦𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐟𝐨𝐫 𝐒𝐚𝐚𝐒, 𝐀𝐈, 𝐚𝐧𝐝 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐚𝐩𝐩𝐬 - 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧, 𝐢𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬, 𝐚𝐧𝐝 𝐎𝐂𝐑 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 - 𝐑𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐰𝐢𝐭𝐡 𝐞𝐯𝐞𝐧𝐭𝐬, 𝐪𝐮𝐞𝐮𝐞𝐬, 𝐧𝐨𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐚𝐧𝐝 𝐬𝐜𝐚𝐥𝐢𝐧𝐠 𝐒𝐞𝐜𝐮𝐫𝐞, 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞-𝐠𝐫𝐚𝐝𝐞 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭𝐬 𝐨𝐧 𝐀𝐖𝐒 & 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬 𝐌𝐕𝐏𝐬 & 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐬𝐜𝐚𝐥𝐢𝐧𝐠 𝐟𝐨𝐫 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐫𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐚𝐧𝐝 𝐠𝐫𝐨𝐰𝐭𝐡. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲: - 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞-𝐟𝐢𝐫𝐬𝐭, 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞-𝐝𝐫𝐢𝐯𝐞𝐧 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 - 𝐂𝐥𝐞𝐚𝐧, 𝐭𝐞𝐬𝐭𝐚𝐛𝐥𝐞, 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐞 𝐜𝐨𝐝𝐞 𝐟𝐨𝐫 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 - 𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐨𝐧 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐩𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩𝐬 𝐚𝐧𝐝 𝐨𝐧𝐠𝐨𝐢𝐧𝐠 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 𝐈’𝐦 𝐫𝐞𝐚𝐝𝐲 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝 𝐲𝐨𝐮𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐟𝐨𝐫 𝐬𝐩𝐞𝐞𝐝, 𝐬𝐜𝐚𝐥𝐞, 𝐚𝐧𝐝 𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲. Let’s connect and discuss your projectso we can start delivering results immediately!

🥇 Top Rated Senior Full Stack Developer ⭐ 5-Star Ratings | ✅ Verifiable projects | ❇️ 6,000+ Hours | 100% refund if I set the wrong expectation and can’t deliver. No questions asked! I help startups and SaaS companies build fast, scalable, and reliable software. Whether you're a small business, nonprofit, or growing startup, I’ve worked with teams of all sizes to turn ideas into solid, high-performing applications. I bring both technical and strategic value. I can help you select the right technology stack, design scaleable systems, manage the product from start to finish, build and lead strong dev teams, and forecast timelines and keep budgets on track. Whether it's kicking off a brand-new project, fixing one that's gone off track, or scaling to support millions of users, my past experience has equipped me for your challenge. I proficiently utilize AI tools such as Cursor, GitHub Copilot etc to increase productivity and improve development. **Expertise includes: AI Automations: n8n Automation – Custom workflow design, API integrations and process optimization. Back-End: - Python: Django, FastAPI, Flask - Javascript: Next.js, Node.js, Nest.js, Express.js Front-End: - HTML, CSS, Tailwind, Bootstrap - Javascript: React, Next.js Angular, Vue.js, Grape.js - API Integration: REST, GraphQL, SOAP, MCP Databases: - MySQL, PostgreSQL, MongoDB, SQLite, Cassandra, MariaDB, Google BigQuery, Neo4j - Payment Gateways Integration: Stripe, PayPal, 2Checkout, Braintree, etc. - Server Setup & DevOps: Amazon Web Services Heroku Google Cloud Console Setting up CI/CD pipelines Industries I've worked with: 🔸 AI SaaS | Marketing Tech | Healthcare | eCommerce | Fintech | Customer Support | Real Estate 2024 onwards helping startups integration AI and develop efficient cost effective Generative AI solutions. - Implementing RAG - AI Agents or Chatbot Development - Finetuning LLMs - Reinforcement Learning from Human Feedback (RLHF) - Vector Databases Efficient data handling for AI and machine learning.

𝐏𝐲𝐭𝐡𝐨𝐧 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 • 𝐑𝐀𝐆 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 • 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 • 𝐅𝐚𝐬𝐭𝐀𝐏𝐈 • 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐋𝐋𝐌 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 The most expensive AI mistake isn't choosing the wrong model. It's choosing the wrong architecture. Anyone can connect GPT to an app. Very few engineers can build what comes after that. I don’t just pitch dreams. I ship results. You’re not here to experiment. You’re here to win. If you're building an AI product, you're probably facing one of these challenges: • You have an idea but need someone to architect it properly. • Your chatbot works, but isn't reliable enough for real users. • Your AI backend has become difficult to maintain. • You need an engineer who can own the technical side instead of simply completing tickets. That's where I come in. I help startups, SaaS companies, and enterprise teams turn AI ideas into production-ready products that users can actually depend on. Over the last few years I've built AI systems across healthcare, real estate, education, compliance, and SaaS, including custom chatbots, enterprise RAG platforms, multi-agent workflows, document intelligence systems, AI automation, and scalable Python backends. Unlike developers who simply integrate APIs, I focus on building complete AI products—from architecture and retrieval pipelines to deployment and long-term scalability. What I Build ✓ Enterprise RAG Platforms ✓ AI Chatbots trained on proprietary company knowledge ✓ Multi-Agent AI Systems ✓ AI Workflow Automation ✓ Document Intelligence Platforms ✓ FastAPI & Python Backends ✓ AI SaaS Products ✓ Secure API Integrations ✓ AI Search & Recommendation Systems Recent Projects • Built an enterprise knowledge assistant capable of searching and retrieving answers from thousands of internal documents. • Developed AI-powered SaaS platforms using FastAPI, LangChain, OpenAI, Pinecone, and vector search. • Designed multi-agent workflows that automate research, reasoning, and business processes. • Delivered production AI systems for startups preparing for customer launch and investor demonstrations. My Engineering Philosophy I don't believe every problem needs another AI framework. I choose the simplest architecture that delivers the right outcome. That means writing software that's maintainable, scalable, and easy for your team to extend long after launch. Most of my clients hire me because they need someone who can think through the product, not just write code. Core Technologies Python • FastAPI • LangChain • OpenAI • Claude • Gemini • Llama • Pinecone • FAISS • ChromaDB • PostgreSQL • Supabase • Docker • AWS • GCP • Vercel • React • Next.js 🔎 Core Skills & Keywords #AI #MachineLearning #GenerativeAI #ChatGPT #LLMs #RAG #LangChain #OpenAI #Claude #HuggingFace#AIChatbots #AIAutomation #FastAPI #Django #Flask #Python #MLPipelines #VectorDatabases #Pinecone #FAISS #Chroma #NLP #DeepLearning#TensorFlow #PyTorch #XGBoost #Pandas #NumPy#AWS #GCP #Azure #APIIntegration #AIEngineering #CustomAI

I’m a Senior Software Engineer with 10+ years of hands-on experience in Python and backend architecture — currently focused on building intelligent, AI-powered document and data processing platforms. I specialize in FastAPI-based backend development, LLM integration, and RAG pipelines, working with tools like LangChain, LlamaIndex, Milvus, Azure AI Document Intelligence, and OpenAI. Whether you're building a SaaS that transforms documents into vector-searchable knowledge, or orchestrating multi-stage workflows with Airflow or Celery, I bring modular, scalable, and production-grade engineering expertise to the table. My Key Skills Include: - FastAPI Architecture & Backend Design Modular routers, middleware, async endpoints, Pydantic models JWT/Token Auth, SSO, LDAP, RBAC File upload/download (PDFs, Excel, Word), multipart/form support Secure, testable, production-grade REST APIs - Document Parsing & OCR Pipelines Integrated LlamaParse, Azure Document Intelligence, PyMuPDF OCR ( PaddleOCR, Tesseract ) - LLM & Vector Search (RAG) Embeddings using OpenAI Pinecone, PG vector, Milvus for vector storage - RAG workflows with LangChain, LangGraph Smart caching, fallback LLM logic - Database Integration & SQL Generation PostgreSQL, MySQL, MSSQL Schema introspection & SQL generation via LLMs Dynamic endpoints to serve natural language → SQL - Web Scraping APIs Scrapy - Workflow Orchestration & DevOps Airflow 2.x/3.0.1 (Dockerized), Celery + RabbitMQ Docker, GitHub Actions, Azure DevOps CI/CD pipelines

I'm Ashik Zinnat Khan, a senior full-stack developer specializing in back-end development using Python and Django. I have more than 10 years of development experience and am willing to take on new challenges. The types of projects that I'm most interested in are: - Django - Django REST Framework - Flask - FastAPI - AI Chatbot Development - RAG Chatbot - AI Service Integration (OpenAI, Mistral, Claude) - Node.js - Docker - React, Next.js, Angular - DevOps & Deployment (AWS, DigitalOcean, Linode) - Kodi add-on development If you have a project that you would like to get me involved in, please don't hesitate and let's connect. Thanks for visiting my profile!

𝗔𝗜 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗦𝗺𝗮𝗿𝘁, 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I help startups, founders, and businesses turn ideas into powerful digital products — from AI-driven applications and automation systems to full-stack web platforms that scale. With strong expertise in Python, JavaScript, React, FastAPI, and modern AI technologies, I build solutions that are fast, reliable, and designed for real-world impact. 𝗪𝗵𝗮𝘁 𝗜 𝗯𝗿𝗶𝗻𝗴 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁: ❇️ AI Voice & Chatbot Development As a specialised AI developer, I build full voice pipelines: Deepgram/Whisper → GPT-4/Claude → ElevenLabs. Expert in chatbot development and conversational business logic for WhatsApp, Telegram, and Web. I work as a dedicated chatbot developer integrating systems with ManyChat, Botpress, and OpenAI API. Modern chatbot development setups to act as a 24/7 sales engine and support lead. ❇️ AI Agent Architecture & Autonomous Workflows I am an AI developer who excels in AI Agent architecture using LangGraph and CrewAI. Multi-AI Agent systems for lead generation, deal tracking, and complex CRM automation. Autonomous AI Agent workflows connected to Slack, Shopify, and enterprise backends. Every AI Agent I build is designed to scale and optimise business processes without increasing headcount. ⚙️ LLM Engineering & Advanced RAG As a senior LLM Engineer, I solve the "hallucination problem" for modern enterprises. Advanced LLM pipelines designed with a focus on Vector Databases (Pinecone, Weaviate, Milvus). Custom fine-tuning, prompt engineering, and production-ready LLM infrastructure. 🛠️ FULL-STACK TECH STACK & DATA SCIENCE As an AI Developer: Python, FastAPI, Docker, AWS, Asyncio. As a Python Developer: LangChain, LlamaIndex, LangGraph, PyTorch. As a Web Developer: Frontend frameworks, responsive platforms, and API integration. As a Data Scientist: Advanced data processing, analytics pipelines, and model evaluation. 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 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲: • Clean, maintainable code • Fast communication & reliable delivery • Long-term project mindset • Business-focused technical solutions • Available full-time (40–50 hrs/week) Whether you need an AI product, a custom SaaS platform, automation workflows, or a full-stack application, I’m ready to help you build it efficiently. 𝗦𝗲𝗻𝗱 𝗮𝗻 𝗶𝗻𝘃𝗶𝘁𝗲 𝗼𝗿 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 — 𝗹𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗶𝗺𝗽𝗮𝗰𝘁𝗳𝘂𝗹.

I am an experienced Web & Desktop Application Developer with hands-on expertise in designing and building scalable, secure, and user-friendly solutions. My primary strength lies in the Microsoft technology stack, combined with modern frameworks and cloud platforms to deliver full-stack applications that solve real business challenges. Most of my work comes from repeat clients who value long-term collaboration and consistent results. I believe in clear communication, timely delivery, and building strong client relationships that go beyond just project completion. Core Skills & Expertise: Back-End: Python, Django, Flask, Node Express, REST APIs Front-End: React Native, React, TypeScript, Material UI, HTML5, CSS, Bootstrap Database : SQL Server, MongoDB, My SQL Cloud & DevOps: AWS, Azure, Docker, CICD, Github Actions, Kafka, Redis Tools & Workflow: Visual Studio 2022, VS Code, Git/SVN, Agile methodology OS: Windows & Linux