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ivan-zamula/README.md

Ivan Zamula — GitHub Profile (2026)

English | Русский

Python Backend Developer | 6+ years | AI/LLM Integration

I am a Python backend developer with 6+ years of commercial experience. I build scalable backends with Django, FastAPI and Litestar. I integrate LLMs into production workflows, including RAG services, AI agents and data pipelines.

Tech stack

  • Backend: Python, Django, DRF, FastAPI, Litestar, Flask, OpenCV, OR-Tools
  • Databases and storage: PostgreSQL, MySQL, Elasticsearch, Redis, Qdrant, S3 / MinIO
  • Messaging and async: Kafka, Celery, RabbitMQ, Asyncio
  • AI / LLM: LangChain, RAG, OpenAI and Claude APIs, Airflow, Gradio
  • DevOps: Docker, Kubernetes, GitLab CI, GitHub Actions, Prometheus, Grafana, Sentry
  • Additional learning: Java (Spring Boot, Junior+), Go (Junior)

Focus areas

  • RAG services for corporate search: connectors, Airflow pipelines and vector stores
  • AI agents (Cline, Claude Code) with CI/CD integration
  • Backend microservices for video analytics with OpenCV, Kafka and S3 / MinIO
  • Optimization and simulation with Salabim, OR-Tools, genetic algorithms and discrete models

Languages

  • Russian: native
  • English: C1
  • German: B1

Contact

Python Django FastAPI PostgreSQL Docker Kafka Airflow LangChain Java

Pinned Loading

  1. async-payment-service-2026 async-payment-service-2026 Public

    Сервис асинхронной обработки платежей на FastAPI, PostgreSQL и RabbitMQ.

    Python

  2. ai-agent-unit-tests-2026-hexlet ai-agent-unit-tests-2026-hexlet Public

    Hexlet learning demo: AI-generated Python unit tests in GitHub Actions with OpenCode, pytest and human review (2026).

    Python 1

  3. truck-optimization-mvp-2024 truck-optimization-mvp-2024 Public

    Truck Optimization MVP: Salabim dispatch simulation with volume targets, discrete vehicle motion and a FastAPI viewer.

    Python 1

  4. pizza-service-backend-2023-tel-ran pizza-service-backend-2023-tel-ran Public

    Java/Spring Boot backend of my Tel-Ran diploma project. I also built the paired React frontend (2023).

    Java 3

  5. pizza-service-frontend-2023-tel-ran pizza-service-frontend-2023-tel-ran Public

    React frontend I built myself for Pizza Service, my Tel-Ran diploma project (2023).

    JavaScript 2

  6. musical-note-and-key-analysis-2022 musical-note-and-key-analysis-2022 Public

    Audio signal analysis for estimating frequencies, musical notes and key.

    Python 1