Tech Lead (f/m/d)

Hi, we are Ten Square Games, and we live games! 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.

• Good knowledge of modern Unity features and workflows, including URP, Addressables, UI Toolkit, Job System, and Burst Compiler.
• Solid understanding of C# and .NET, including memory management and async programming.
• Experience designing scalable and maintainable architectures for mobile F2P games.
• Familiarity with Android- and iOS-specific requirements, including ANRs, user-perceived crash rates, and SDK deprecation deadlines.
• Strong drive for continuous learning and improvement; proactive in exploring new technologies and improving engineering practices.

Nice to have:

• Experience in live mobile games.
• Strong understanding of performance optimization and production environments.
• Knowledge of Jira and Confluence.

Technical leadership & quality:

• Own engineering standards and technical quality across the game and the team.
• Drive technical excellence through maintainable architecture, clean code, performance optimization, and engineering best practices.
• Improve technical KPIs, including stability, performance, memory usage, and crash rates.
• Identify technical debt, risks, dependencies, and long-term maintainability concerns, and proactively drive improvements.
• Decide on technical implementation approaches within agreed product and delivery constraints.
• Review technical proposals, challenge solutions, and guide implementation to ensure quality, scalability, and maintainability.
• Support production stability and help troubleshoot complex technical issues when needed.

Team development & collaboration:

• Mentor and coach engineers at different seniority levels, helping them define development goals and improve skills through regular feedback.
• Promote engineering best practices, knowledge sharing, and continuous learning.
• Support hiring and onboarding of engineers.
• Partner with Head of Product, PMs, Producers, and QA on technical execution, game optimization, and development effectiveness.
• Communicate technical risks, trade-offs, and recommendations clearly to technical and non-technical stakeholders.
• Collaborate with other Tech Leads across the company to follow technical guidelines and share knowledge, best practices, and learnings.

The controller of personal data is Ten Square Games S.A. with registered office in Wrocław; data is processed for recruitment; privacy policy available online.