About this role.
This Senior Game Developer role focuses on building and optimizing browser-based game features using TypeScript, modern JavaScript, Canvas, and WebGL. The developer will work closely with the game engine, improve rendering and runtime performance, and create tools that increase engineering efficiency. Success requires strong knowledge of asynchronous programming, game development patterns, cross-browser behavior, testing, and source control. The position is remote and emphasizes ownership, rapid delivery, collaboration, and direct impact on player experience.
Role DNA
A quick view of the complexity, pace, ownership and collaboration implied by the job description.
Job Complexity
4/5Pace & Pressure
4/5Autonomy Level
4/5Communication Load
4/5Salary analysis
Estimated compensation compared with the broader US market for similar roles.
Core skills
Skills and capabilities most closely associated with this opportunity.
Sample interview questions
I would first profile the game to separate CPU, GPU, memory, and rendering bottlenecks. I would inspect frame timing, draw calls, object allocation, texture usage, update loops, and expensive DOM or layout activity, then prioritize the highest-impact issue. Typical improvements include batching rendering work, object pooling, reducing state changes, caching calculations, simplifying shaders or geometry, and moving noncritical work off the main update path.
The event loop coordinates synchronous execution with queued asynchronous work such as timers, promises, network events, and rendering callbacks. Long-running synchronous work blocks the main thread, which can delay input handling and frame rendering, causing visible stutter. In a game client, I would keep each frame's work bounded, schedule visual updates with requestAnimationFrame, and break or defer nonessential expensive tasks when appropriate.
I would unit test deterministic game logic, such as scoring, collision rules, state transitions, configuration parsing, and utility functions. I would use mocks for external services, timers, and browser APIs, while adding integration tests for important interactions between systems. For rendering-heavy features, I would also use targeted manual or automated visual regression checks and performance validation where practical.
I would define clear domain models and use explicit state transitions rather than scattering conditional logic throughout UI and gameplay code. Depending on complexity, I might use a finite-state machine or event-driven architecture with well-defined ownership of state. This makes behavior easier to test, reduces invalid transitions, and allows new gameplay states or interactions to be added with less risk.
I would begin by documenting the problem with measurable evidence, such as profiling results, affected scenarios, and expected player impact. I would present viable implementation options, tradeoffs, rollout risks, and test criteria to relevant developers and stakeholders. After alignment, I would implement incrementally, review the change collaboratively, monitor results, and share the learning with the wider engineering community.
About the Role
We’re looking for a Senior Game Developer to bring fresh ideas, strong technical expertise, and a passion for building high-quality games. This role is ideal for someone who enjoys working close to the engine, developing new features, and continuously improving performance and scalability.
You’ll be part of a team that values ownership, creativity, and speed, where your work directly shapes the player experience. If you’re driven by building engaging products, enjoy solving technical challenges, and want to push the boundaries of what great game development looks like, we’d love to hear from you.
Key Responsibilities
Develop and optimise game features with a strong focus on performance (FPS, CPU usage)
Work closely with the game engine, contributing to its evolution and improvements
Propose and implement efficient algorithms and technical solutions
Design and write unit tests to ensure code quality and stability
Build tools and scripts to improve development efficiency
Collaborate with a team of developers, contributing to a culture of openness and agility
Actively participate in the Engineering Community, sharing knowledge and ideas
Requirements
4+ years of experience in JavaScript UI client development in a commercial environment
Strong expertise in TypeScript and modern JavaScript (ES6+)
Solid understanding of Canvas/WebGL rendering cycles
Deep understanding of the Event Loop and synchronous vs asynchronous approaches
Experience in cross-browser development
Strong knowledge of OOP principles and game programming patterns
Experience with Git
Strong communication skills and a collaborative mindset
Product-first approach with a proactive attitude
Self-sufficient, results-driven, and eager to learn
Nice to Have
Understanding of performance optimisation, memory management, and threading
Experience in game development
Familiarity with Spine animations and TexturePacker
Experience with GitHub Actions and CI/CD processes
Experience with unit testing frameworks
Familiarity with Jira and Confluence
Basic knowledge of Vue
Experience in full-stack development
Understanding of Scrum workflows
What We Offer
Competitive Salary
Quarterly Bonuses
Unlimited Paid Time Off
Unlimited Paid Sick Leave
Remote & Flexible Working
Private Medical Insurance
Financial Support for Life Events
Professional Development Budget
International Exposure
Regular Company Events
*Benefits may vary depending on location and contractual agreement
Recruitment Process
1. HR Interview (30-45 min)
2. Technical interview with live coding (up to 90 min)
3. Final Interview with C-level (60 min)
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