About: Hitapps is a GameDev company specializing in Puzzle Games with 150M+ downloads. Seeking a Python Engineer to design and build backend systems for an internal AI platform.

Responsibilities:

  • Design and develop Python services and platform REST APIs
  • Build and maintain data processing pipelines
  • Develop integrations with internal data sources
  • Implement search and AI-powered workflows on top of the platform
  • Build tooling for measuring and maintaining system quality
  • Own service deployment and operations at launch
  • Participate in roadmap planning and architectural decision-making

Requirements:

  • Proficient in Python
  • Experience building backend services and designing REST APIs (FastAPI / Django REST / Flask)
  • Experience with relational databases (Postgres / MySQL)
  • Experience with queues and background tasks (Celery / RabbitMQ / Kafka)
  • Redis (caching, queues, pub/sub)
  • Third-party API integrations: REST, OAuth, webhooks
  • Docker, S3-compatible storage
  • Testing culture (pytest), PR/code review workflow, understanding of CI/CD and observability

Nice to have / Plus:

  • RAG systems, embeddings, vector databases (pgvector)
  • Working with LLM APIs (Anthropic, OpenAI): prompting, tool calling
  • Agent frameworks (LangChain, LlamaIndex, LangGraph)
  • LLM evaluation frameworks (RAGAS, deepeval)
  • AI rapid prototyping tools (Streamlit, Gradio)
  • Modern Python tooling (ruff, uv, pyproject.toml, pyright)

What we offer:

  • Competitive compensation
  • 100% recovering for vacations and sick leaves
  • 12 additional paid days off per year
  • Budget for personal education, language courses & sports activities
  • Conference attendance opportunities
  • Zero bureaucracy and a supportive, transparent culture