Senior Backend Developer

We are BoomBit, a leading Mobile Gaming company with a global audience of millions of players and over one billion downloads of our games since our inception in 2010. Our main games from the BoomBit Group include Hunt Royale, Darts Club and Ramp Car Jumping. We're a game developer and a publisher, with over 250 creative people working together. We cover games of nearly every genre in the free-to-play (F2P) model on iOS and Android, and also on the Nintendo Switch.

We have experts spread across publishing, user interface/experience (UI/UX), game design, monetization, user acquisition (UA), creatives, business intelligence (BI), quality assurance (QA), LiveOps, programming, art and game development. We are continually looking to strengthen our team.

Location: Hybrid/Remote Work

Responsibilities:

  • Independently resolving advanced backend development issues
  • Organizing work and managing time effectively to ensure the timely delivery of required solutions
  • Estimating work time and planning activities to achieve maximum efficiency
  • Actively participating in team communication, providing technical support to other team members
  • Supporting and mentoring other team members, sharing knowledge and experience to enhance the team's technical competencies
  • Maintaining advanced knowledge of the programming standards established within the team and adhering to them during project work
  • Actively participating in designing, implementing, and maintaining REST APIs in accordance with project requirements
  • Utilizing Git version control at an advanced level to manage source code and coordinate work with other team members
  • Performing advanced operations on SQL and NoSQL databases

Requirements:

  • Minimum of five years of experience working as a Backend Developer or demonstrated experience in independent projects supported by a portfolio
  • Ability to write clean, maintainable, and testable code
  • Advanced problem-solving skills with a high degree of independence
  • Strong organizational skills
  • Ability to accurately estimate work effort and maintain high efficiency
  • Strong communication skills
  • Advanced knowledge of team-established programming standards and best practices
  • Mentoring and knowledge-sharing abilities
  • Proficiency in English (spoken and written) at an intermediate level

Technology:

  • Strong experience building backend services
  • Advanced knowledge of backend architecture
  • Advanced proficiency in designing and working with REST APIs
  • Advanced knowledge and hands-on experience with: SQL (especially PostgreSQL), NoSQL databases, .NET, Redis (Valkey), AWS ECS
  • Advanced proficiency in the following technologies:
    • .NET 8 LTS or newer

    • ASP.NET Core

  • Good knowledge of AWS and GCP 
  • Advanced proficiency with Git version control system
  • Strong familiarity with modern software development standards and best practices
  • Intermediate proficiency with Docker

Why should you apply?

  • Private Healthcare – Get fast access to top specialists and tests without the long waits – your health is our priority.
  • Sports Card – Stay active with access to gyms, swimming pools, and various sports facilities.
  • Flexible Working Hours – Shape your work schedule around your personal life, whether it’s a doctor’s appointment or family time.
  • Remote/Hybrid Work Options – Choose the work setting that suits you best – office-based, remote, or a hybrid model.
  • Development Budget – We invest in your future by covering training, courses, and workshops.
  • English Courses – Enhance your language skills in our international environment.
  • Knowledge Sharing & Training Opportunities – Share your expertise or become an internal trainer to inspire your peers.
  • Team Integration Budget & Company Events – Enjoy regular team-building activities and social events that foster collaboration and fun.
  • Referral Program – Recommend a great candidate and receive an attractive bonus when they join the team.
  • Innovative Environment – Bring your ideas to life – our creative culture welcomes new solutions and fresh perspectives.
  • Office in Gdańsk – A comfortable workspace with a garden, bicycle racks, showers, a fully equipped kitchen, free parking, and a location just two minutes from public transport. Plus, we’re pet-friendly!
  • Creative Tools – Utilize our in-house 3D printer to experiment and innovate.

 

In line with pay transparency principles, the salary range and key benefits for this position will be disclosed to candidates prior to the first interview, enabling informed and transparent discussions on compensation.

Data Processing Notice (Ongoing recruitment process and future recruitment process)

 

ID: 305 job_post.published_on: 20/02/2026
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