Job Overview

Job Type

Full Time

Pay

Not disclosed

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Job description

Location:: Worldwide
Work arrangement:: On-site

Role Summary

🧩 Hitapps is a GameDev company specializing in Puzzle Games. We have several successful products in both categories with a combined total of over 150M+ downloads, and we are regularly featured in the top charts in the Games section.

Our culture is built on transparency, we are results-oriented and respect the improvement.

Currently, we are seeking a skilled Python Developer to design and build the backend systems of our internal AI platform.

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.

Will be a 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).

Requirements

What makes you a perfect fit?

Proficient in Python;
Experience in 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, working with S3-compatible storage;
Testing culture (pytest), PR/code review workflow, understanding of CI/CD and observability;