j-labs — 3 open jobs

3 jobs

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3 jobs Posted Sort

j-labs

2 weeks ago

Expert Python Developer

Europe

Poland

j-labs is hiring an Expert Python Developer in Kraków (hybrid, 2-3 days/week in the office) for a long-term project building Python backend services for business automation, data processing, and AI applications. Day to day: designing FastAPI services, orchestrating LLM-based AI workflows with LangGraph/LangChain, code reviews, CI/CD, and production support.

Agile AI API Asyncio CI/CD +17 skills

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j-labs

2 months ago

Senior QA Automation Engineer

Open 49d RemoteEuropeSenior

Poland

Senior QA Automation Engineer designing and building automated UI and end-to-end tests for an online poker platform, including mobile testing on Android/iOS and supporting a React Native app. Core stack: Python, Selenium/Appium. Fully remote B2B role with flexible hours.

Agile Android Appium Automation DevOps +13 skills

25K – 32K PLN / mo

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j-labs

2 months ago

Senior QA Automation Engineer

Open 49d RemoteEuropeSenior

Poland

Senior QA Automation Engineer testing the backend of an online poker platform: designing and maintaining automated API and integration tests in Java (REST Assured, k6) across a microservices architecture, including database/SQL verification and upkeep of a framework with ~10,000 tests. Fully remote (B2B) with flexible hours.

Agile API API Testing Automation DevOps +14 skills

25K – 32K PLN / mo

Apply