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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Unity Technologies - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Unit Testing, C Sharp (Programming Language), C++ (Programming Language), Mobile Application Development, Api Design, Code Restructuring - **Published:** August 28, 2026 - **Apply:** https://dejobs.org/x/x/55A8A90C29424DF1BF24049B76389C38/job/ ## About the Role A successful developer in this role will be a one who has the desire to investigate and understand how similar features are implemented across various platforms, then use that knowledge to design unified APIs that can be used across platforms. This will require deep cooperation with teammates as well as the willingness to build relationships with technical teams across Unity. We strive for an environment in which the best ideas win by encouraging and respecting the input of all team members, taking into account different communication styles and experiences., * Experience in C# and developing Unity-based games and extending the Unity editor * Experience abstracting the requirements of different platforms into a simple, cohesive API surface-area * Knowledge of native development on at least one desktop, mobile or console platform with the curiosity to work with additional platforms * Experience contributing to cross-team projects from initiation to completion You might also have * Knowledge of writing native plugins for Unity and/or experience with API design and asynchronous coding paradigms * Long term code ownership mentality by being diligent with documentation on thought processes, decisions made and code API Salary: 639,400.00 - 799,300.00 Dkk annual This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate's relevant experience, professional background, and skill set. ## Description * Crafting unified APIs that implement features of various target platforms in a single, unified and testable way * Contributing the implementations of these APIs to the Unity codebase, including unit tests * Advocate for the unification of disparate platform implementations into simple abstractions across Unity * Deliver a stable quality product that the team is proud of by exemplifying robust API design methodologies along with high-quality C# and C++ coding practices * Refactoring existing code to be more efficient and maintainable, responding to user feedback and solving user issues with the codebase, This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English. This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law. Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity. ## Related Videos - [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started) - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [We (don't) need a software architect!?!](https://www.wearedevelopers.com/videos/663-we-don-t-need-a-software-architect) - [The Evolving Landscape of Application Development: Insights from Three Years of Research](https://www.wearedevelopers.com/videos/1459-the-evolving-landscape-of-application-development-insights-from-three-years-of-research) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)