Senior Backend Engineer — Python · Django · FastAPI · AI/LLM Integration

I build, scale, and own the backend systems that products run on. I work primarily in Python, and I specialize in clean APIs, solid architecture, and AI/LLM features that actually ship to production.

• 🔧 Backend architecture & REST APIs from scratch
• 🤖 AI / LLM integration — OpenAI, prompt engineering, transcription, RLHF/eval workflows
• �piece️ Scaling & rescuing existing codebases and getting them reliably into production
• 💼 Top Rated Plus on Upwork · 6,200+ hours · 100% Job Success Score
• 🌐 Open to backend & AI-integration work — long-term engagements preferred

Languages: Python, SQL, JavaScript
Frameworks: Django, FastAPI, Flask
Data: PostgreSQL, MySQL, MongoDB, Redis
Infra & tooling: AWS, Docker, Celery, REST APIs, Linux
AI/LLM: OpenAI APIs, prompt engineering, Whisper, LLM evaluation, AI Model Finetuning

• Medius AI — Backend lead on a live fintech platform reducing bad loans for Indian banks & NBFCs using AI (Python/Django, AWS, ML decisioning).
• Meomind — Sole backend owner of an LLM-based behavioral-health platform (Python/Django, PostgreSQL, AWS).
• LLM code review — Senior Python reviewer auditing AI-generated code in Docker-based eval environments (RLHF-style workflow).

Senior Backend Engineer | Python | Django FastAPI | AI/LLM Integration

• 🌍 Website: souravkohli.com
• 💼 LinkedIn: LinkedIn | Senior Backend Engineer
• 🟢 Upwork: Sourav Kohli | Upwork Top Rated Plus
• 📫 Email: kohli.sourav108@gmail.com