Full-Stack Software Engineer
Poland (B2B)
Supersonic Studios is a mobile game publisher and studio. We’re an inspired, creative, and dedicated group that loves making games as much as we love playing them.We have 10+ years of game growth experience and a game portfolio you’d be proud to contribute to. With us, you’ll learn about game development while developing your skills alongside the best in the business.

Our super hits you might know: Bridge Race, Hide ‘N Seek, Join Clash, Tall Man Run, Stacky Dash, My Mini Mart, Going Balls and others with over than 150M installs EACH!

About the role

We are seeking a talented and experienced Full-Stack Software Engineer to join our dynamic team at Supersonic. As a Full-Stack Software Engineer, you will be responsible for developing and maintaining both server-side and client-side applications within our tech stack.


  • Develop and maintain full-stack features using NestJS and React
  • Collaborate with cross-functional teams to design and implement new features
  • Participate in code reviews and provide constructive feedback to team members
  • Ensure the scalability, reliability, and performance of our applications


  • 3+ years of experience with NodeJS
  • 3+ years of experience with React
  • 1+ year of experience with NestJS
  • English at Upper-Intermediate level
  • Strong interpersonal skills and ability to work independently and in a team environment
  • Experience with GraphQL or GoLang would be considered an advantage


  • Work in a highly professional team. Informal and friendly atmosphere in the team.
  • Ability to work from our comfortable downtown office in Warsaw
  • Paid vacation — 20 business days per year, 100% sick leave payment
  • 3 additional Friday-days off (U days) during the year
  • 5 sick days per year
  • Equipment provision
  • Medical insurance (after the end of the probationary period)
  • Partially compensated educational costs (for courses, certifications, professional events, etc.)
  • Inflation-protected wages with regular revision of compensation conditions
  • English and Polish courses — 2 times a week
  • Bright and memorable corporate life: corporate parties 2 times a year, gifts to employees in honor of life events
Join us ✨
Please note that you should have a PBH visa/
Karta pobytu/Paszport polski to be considered
for this position. Thank you!
Iryna Hudozhnikava