Senior JavaScript Developer (Game Client)

Playson

European Union Remote permanent

Posted: March 3, 2026

Quick Summary

We are seeking a talented JavaScript developer with expertise in 2D graphics to join our innovative Game Client Squad. The ideal candidate will be responsible for collaborating closely with R&D architects, shaping the future of the industry, and contributing to the development of a cutting-edge Next Generation Game Client.

Job Description

If you are an experienced and talented Senior JavaScript Developer looking for a thrilling new opportunity — join our innovative Game Client Squad! We are who are ready to take ownership and excel in their field. Our product is a cutting-edge Next Generation Game Client, which serves as a fundamental framework for Game Developers. If you have a strong desire to work with 2D graphics and are eager to collaborate closely with architects in our R&D team, then this position is perfect for you!
Bring your expertise and passion for game development and help shape the future of our dynamic industry.

To succeed in the role, you have:

• Superb understanding of asynchronous single-threaded Javascript environment and DOM events

• Advanced knowledge on code patterns and anti-patterns aiming specifics of Javascript.

• Successful in building business event-driven applications from scratch using Typescript.

• Experience in development sustainable production solution.

• Experience in debugging slow performance, GPU and rendering issues, FPS drops, memory leakages and so on.

• Building UI components in isolation

Preferable Personal skills:

• Ability to deliver the result within the discussed deadline

• Ability to relate positively to and engage with a wide range of people

• Strong self-motivation, reliable and flexible team-player, who is ready to work in an Agile environment

• High attention to details

• Always seeking to improve processes and suggest alternatively better solutions

• Has a sense of ownership, is highly responsible

• Loves coding, learns all the time, and can’t wait to let us know about the latest cool tool he has tried

What will you be doing:

• Develop Game Client from scratch based on a event-driven architecture

• Proactively participate in architecture implementation with architects team

• Handle complex engineering problems and provide field support with creative and rapid solutions

• Deal with Javascript profiler using embedded browser dev tools

• Digging into vendors source codes and applying fixes

• Analyzing application performance and applying selective optimizations

What we offer:

• Remote-first with flexible working arrangements across Europe or Ukraine

• Competitive compensation package (with performance-based bonuses up to 50%)

• Unlimited paid vacation & sick leave (B2B model)

• Premium health insurance (for you + 1 family member)

• Learning & development support (courses, certifications, mentoring, conferences)

• International exposure – attend industry expos, team gatherings & global meetups

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