Senior Back End Developer

Kalamba Games

Senior Back End Developer at Kalamba Games architecting game server frameworks and designing promotional tools. Collaborating with distribution partners and working with cloud services for development.

Posted 6/5/2026full-timeKraków • 🇵🇱 PolandSenior💰 PLN 16,000 - PLN 27,000 per monthWebsite

Tech Stack

Tools & technologies

CloudJava

About the role

Key responsibilities & impact

Architecting our Remote Games Server framework, in conjunction with our Lead Server Architect
Designing the server side of our industry-leading promotional tools
Integration with cloud services
Development of new game servers with a fast-paced and eager new team
Working with distribution partners to integrate our games and expand the company

Requirements

What you’ll need

Java with min 5 years experience.
Backend web development experience.
Integration experience.
Computer Science fundamentals in data structures, algorithm design, and problem solving.

Benefits

Comp & perks

Contract of Employment or B2B
Employee Stock Options
26 days of vacation regardless of the seniority
For each year at Kalamba Games you will get 1 additional paid time off to your vacation pool
Private healthcare
Subsidized Sport Card / MultiSport
Flexible working hours and remote work options
Game room and fully equipped kitchen with snacks and more ;)

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Hard Skills & Tools

JavaBackend web developmentIntegrationData structuresAlgorithm designProblem solving

Soft Skills

Team collaborationCommunication