Senior Python Developer

Developed backend in Python/FastAPI/Alembic for handling views, click-throughs, and subions Implemented frontend for application builder block chains using ReactJS/KonvaJS based on prompts Built web3-backend for blockchain referral system, on-chain/off-chain gamification, and signature verification (pubkey/seqno) on smart contracts (Blueprint/Func) Contributed to LLM-multi-agent workflows, including tool/function-calling orchestration and eval/logging NER labels (SpaCy classification: financial/action extraction) Built RAG pipelines for semantic search using embedding vectorization with pg_vector and LoRA fine-tuning (Ollama-adapter + Transformers) using question-answering structure Designed AI-driven content and report generation system (OpenAI+LangChain) as part of the pivot, generating structured AI-summaries for metrics, traction, unit economics, and business processes Deployed Kafka with replication for publishing and message distribution (FastStream Confluent) Collected analytics in ClickHouse with visualization via Prometheus/Grafana for the microservices Added profile data caching in Redis, reducing database request frequency by 60% Optimized PostgreSQL queries, eliminated N+1 issue in post stories selection (query time reduced from 2s to 200ms), set up event-driven pipeline for i18n/l10n on file changes (watcher + LLM) Configured DevOps infrastructure for dynamic application instance deployment (nginx/CDN/VPS API) Deployed MinIO in Docker as S3 storage and local buffer for serving previews