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November 4, 2026
Junior Software Engineer
Junior • On-site
10,000 - 15,000 PLN/yr
Warsaw, Poland
Quick Facts
Role: Junior Software Engineer
Focus: Full-stack feature development with AI-assisted coding
Description
We are looking for a Junior Software Engineer to join our Engineering Team and help build features for a global e-commerce product. You’ll work across the stack (Java, PHP, and Next.js/React/TypeScript) and use AI coding agents in your day-to-day workflow, while staying responsible for what reaches production. Code reviews, tests, and support from experienced engineers are part of the role from the start.
Responsibilities
Build features across the stack
Collaborate on and improve a large, mature codebase
Plan changes, delegate to AI coding agents, review results, and test what they produce
Write tests, review code, and take ownership of what you ship
Work with product managers and designers on real customer problems
Investigate and fix production issues
Participate in regular feedback and code reviews
Requirements
1–2 years of commercial software development experience in at least one part of the stack
Good understanding of HTTP and REST APIs, SQL, testing, and Git, plus basic CI knowledge
Hands-on, everyday workflow with AI coding tools that goes beyond autocomplete
Ability to explain how you validate AI-generated code and stand behind what you ship
Clear communication, ownership, and enjoyment of solving problems as a team
Comfort working in existing systems and leaving code better than you found it
Willingness to learn PHP, Java, or Next.js if you haven’t used them yet
English at B2 level or higher (spoken and written)
Benefits
Private health plan and life insurance
Flexible hours and schedule flexibility
20 or 26 paid vacation days
Sports cards (fitness support)
Office library, team meals, and company events
Opportunities to work with new tech and ongoing challenges
Autonomy and regular feedback through experienced engineering reviews
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