Senior Software Engineer I (Full Stack, Payments)

📋 Description

• Take extreme ownership: own outcomes and fixes across the stack.
• Navigate real complexity: untangle large systems and high-stakes puzzles.
• Be a "whatever it takes" engineer: stay flexible to unblock the team.
• Treat AI as a teammate: leverage AI tools to move faster while keeping quality.
• Drive the team forward: provide technical leadership and address debt proactively.

🎯 Requirements

• 5-7 years building high-traffic production software.
• Golang expert; PHP experience desired.
• AI fluency: integrate AI into workflows.
• Solid fundamentals: data structures, algorithms, design patterns.
• English (min B2); Kraków/Gdańsk 2-3x weekly.
• Full-stack flexibility: React and JavaScript.

🎁 Benefits

• Training budget 3500 PLN gross per year.
• Private healthcare in LuxMed.
• Access to Worksmile platform with a monthly top-up.
• Relocation package within Poland.
• New MacBook Pro, 4K monitors.
• Flexible working hours.