Logo of Critical Force

PHP Developer

Helsinki, Finland
Photo of Artem Vekhtev
Artem Vekhtev
Must have skills:
Nice to have skills:
Considering candidates from:
Work arrangement:
Onsite only
Game development
Junior or middle
Visa sponsorship:
Not provided
Company size:
51-200 employees
Trial period:
6 months
Logo of Critical Force

PHP Developer

Helsinki, Finland
Critical Force is a Finnish game company which is focusing on competitive multiplayer games for mobile. Their flagship game is a first-person shooter, which has been downloaded over 80 million times worldwide and has become a trailblazer in electronic sports played on mobile devices.
Right now, they are looking for a Senior Backend Developer to join their ranks to design and develop systems that will bring Critical Ops to the next level. You would become a part of their Critical Ops team. Your primary focus will be on implementing and maintaining various features and systems for the game. All this is done in close collaboration with programmers, designers, artists and testers.

 Note: The company also has an office in Kajaani and you are free to choose to work there if you want.


  • Develop testable high-quality backend systems and tools for a live product
  • Utilize web frameworks and in-house technology to provide a fantastic experience to players
  • Profile, identify, and optimize performance bottlenecks
  • Collaborate with other programmers to improve technical architecture, quality, documentation, and standards
  • Work together with a multi-disciplinary team

Must-have skills:

  • 2+ years of game development experience
  • Experience with Linux environments
  • Strong knowledge of PHP
  • Strong knowledge of microservice architectures
  • Strong knowledge of data storage solutions and SQL
  • Strong knowledge of network protocols
  • Strong debugging skills
  • Strong knowledge of software design principles and patterns
  • Released titles on major development platforms (App Store, Google Play, Steam)
  • Experience with version control (GIT) as a natural part of development cycles
  • Excellent verbal and written communication skills in English
Nice-to-have skills:

  • Specialist skills that can be applied to a specific area of development
  • Web development skills
  • Knowledge of test frameworks
  • Knowledge of iOS app development tools
  • Enthusiasm for real-time multiplayer and cloud architectures
Have questions about this position? Ask us via email or try the company page.

Apply now

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