Junior Python Developer
BlockWise
Lublin, Lub, Poland • 1h ago • On-site
Junior
On-site
78,000 - 108,000 PLN/yr
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Quick Facts
Role: Junior Python Developer (Python/AI)
Focus: AI/ML, automation, internal tools, and AI-adjacent infrastructure
Work style: short iterative cycles with fast feedback
Description
You will build and iterate on real AI/ML and automation products. The role includes writing, testing, debugging, and maintaining Python code on Linux, plus prototyping solutions and converting them into maintainable systems. You’ll also use AI tools in your daily work to speed up development, research, and debugging.
Responsibilities
Write, test, debug, and maintain Python code on Linux
Develop internal tools, automation, and systems supporting technical teams
Work on AI/ML solutions: LLMs, agents, generative tools, detection, and predictive models
Rapidly prototype solutions and turn them into working, maintainable systems
Analyze errors, find root causes, and propose concrete fixes
Collaborate with more experienced developers on design, implementation, and optimization
Work in short iterations with a strong feedback loop
Use AI tools daily to increase the speed of development, research, and debugging
Requirements
Strong knowledge of Python and good software development practices
Ability to work in a Linux environment
Experience with AI tools, language models, agents, or your own AI-based projects
Ability to independently analyze and debug technical problems
Willingness to learn new technologies quickly and work on real systems
Take responsibility for delivering tasks to completion
Clear communication about what works, what doesn’t, where you’re stuck, and what you need
Benefits
Salary: 6500–9000 PLN gross on a service contract
Flexible working hours
Office work in Lublin
Parking at the office
Company hackathons
Access to paid AI tools (Claude, Copilot, Codex, ChatGPT, Gemini, etc.)
Modern infrastructure, including B200/B300 clusters
Training budget for technical growth and participation in industry conferences
High autonomy, fast feedback, and real influence on the tech stack, architecture, and product-building approach
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