Senior Unity Developer (f/m/d)

Ten Square Games; Wrocław; On-site; PLN 180,000 - 240,000; Full time

Job summary

Ten Square Games is hiring a Senior Unity Developer in Wroclaw. You will turn ideas into features for our mobile games, collaborating with designers, artists, and QA to bring titles to life, optimize performance, and keep gameplay smooth. If you are passionate about mobile gaming and code that players love, join us.

You will work in a hybrid setup with 3 days in the Wroclaw office and 2 days remote, contributing to high-quality software and innovative gameplay experiences.

Qualifications

• Proficient in Unity 3D and C# for game development.
• 3+ years of professional game development experience.
• Strong communication and teamwork abilities.
• Knowledge of optimization techniques and profiling tools.
• Good command of English and Polish for daily collaboration.

Responsibilities

• Collaborate with designers, artists, and QA to implement features.
• Develop new game features and optimize existing code for performance.
• Improve technical pipelines and coding practices.
• Identify and fix performance bottlenecks.
• Maintain high-quality standards across the codebase.

Skills

Unity 3D

C#

Performance profiling

Optimization techniques

English

Polish

Tools

Profiling tools

Job description

HYBRID WORK MODEL: 3 DAYS PER WEEK (60%) IN OUR WROCLAW OFFICE AND 2 DAYS REMOTE

About us

Hi, we are Ten Square Games , and we live games! No, not a typo - but a level up from loving! We are on a mission of giving players excellent outdoor experiences on their mobiles. With global hits, such as Fishing Clash, we know how to make the best of technology, fun, and fair play. With 77 million registered players in 2025 and 300+ people on board , we keep growing and learning, having the insatiable hunger for the next success. If you also like to explore the unknown and know how to own it, we want to work with you!

What is this job all about?

As a Senior Unity Developer , you will turn your ideas into features millions of players love . You’ll team up with designers, artists, and QA to bring our games to life, optimize performance, and keep the fun running smoothly. If you’re passionate about mobile gaming and want to make an impact, this is where your code meets creativity.

Requirements

What will you be doing?

• Cooperating closely with the teams and the product manager;
• Implementing new game features for our games;
• Improving technical pipelines;
• Identifying and fixing performance bottlenecks;
• Ensuring high standards and good coding practices.

What are we looking for?

• Excellent knowledge of Unity 3D and C#;
• 3+ years of professional game development experience;
• Good communication skills and being a team player;
• Knowledge of optimization techniques and experience with profiling tools;
• Understanding of common architectural patterns and knowledge of good coding practices;
• At least a basic understanding of data structures;
• Very good command of English and Polish which allows for free communication in everyday work.

Amaze us with:

• Hobby projects that you can show (preferably projects in the field of game development);
• Experience in mobile games performance optimization;
• Experience in native mobile application development (Android/iOS);
• Experience in developing client-server architecture;
• Understanding of flight physics or simulation mechanics (experience with flight simulators is a strong plus).