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Senior Unity Programmer

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🇬🇧 Portsmouth

Freejam, developers of the online multiplayer game Robocraft, is now looking for a Senior Unity Programmer to join our growing team to build our new ambitious online free to play title Techblox. Our game is developed using cutting edge technologies, including Unity DOTS and Havok Physics.


  • Work together with the rest of the team to bring new features to life
  • Write polished, readable and maintainable code
  • Create and integrate development tools and testing procedures
  • Write optimised code considering CPU, GPU, memory and network requirements
  • Support\mentor junior programmers


  • An excellent understanding of game architecture and good programming practices
  • Have shipped at least one substantial game title
  • Advanced C# programming/Debugging/Profiling skills
  • Excellent understanding of data structures and related algorithms
  • Excellent maths skills
  • Experience with native programming
  • An understanding of Entity Component System architecture is useful
  • A Computer Science degree or similar equivalent

Bonus points

  • Physic engines related knowledge
  • GPU programming related knowledge
  • Network programming related knowledge
  • Strong experience with ECS programming


Freejam is based in Portsmouth, UK. Remote onboarding is likely, the role will be onsite when we all return to the office. We can sponsor visa's if required.

Freejam is a fully indie team, we shape our destiny. Even if we are a small company, we’re able to offer good benefits including flexible working hours, an ambitious, ego-free and relaxing environment. Further perks include days out/pub meet up when possible and, of course, our legendary Christmas parties.

Freejam is currently in the amazing position of building a brand new project and we’re looking for like-minded people who can help shape it.

About Portsmouth

Portsmouth is a historic naval city, now recognised for its university, on the south coast of England with good transport links to London. Freejam’s studio is located on the harbour surrounded by popular venues, restaurants and bars. Portsmouth gives you all the benefits of a proper city, without the chaos and the costs associated with living in London.