Senior Platform Backend Engineer

Senior Software Engineer, Backend The opportunity Unity Studio is our industry focused, cutting-edge, browser-based real-time 3D authoring tool. Studio's next chapter takes it into gaming, with an ambitious vision for how real-time 3D experiences are created, shared, and played on the web. As a Senior Backend Engineer on the Unity Studio team, you will own the cloud services behind the product: real-time multi-user collaboration, build and publishing pipelines, and the platform APIs the editor is built on. You will join a fast-moving, cross-functional team where your work ships quickly and directly shapes the product. You will collaborate closely with engineers, designers, and product managers from day one. As a senior member of the team, you will help set the technical direction, raise the engineering bar, and mentor others as the team grows. What you'll be doing ● Design, build, and operate the backend services behind real-time collaborative editing, game publishing, and content delivery ● Own systems end-to-end - from design and implementation through deployment, monitoring, and running them in production ● Evolve how the platform scales - stateful real-time workloads, session routing, and service fleets in a cloud-native environment ● Define the APIs and service contracts that the editor and partner teams build against ● Strengthen our infrastructure and delivery practices - infrastructure as code, CI/CD, and automated deployment ● Work closely with product and design to turn ambiguous problems into shipped, reliable features ● Champion reliability and observability, and help the team respond to and learn from production issues ● Mentor other engineers and raise quality across the team through code review and design feedback What we're looking for ● Substantial professional experience designing, building, and operating backend services in production ● Strong proficiency in one or more modern backend languages, and the flexibility to work across several ● Solid grounding in distributed systems - API design, data persistence, state management, and the trade-offs between them ● Hands-on experience with cloud platforms and containerized, orchestrated deployments ● A track record of owning services in production, including monitoring, debugging, and incident response ● Pragmatism and comfort with ambiguity - you ship iteratively and make sensible trade-offs under real deadlines ● Clear communication and easy collaboration with both technical and non-technical colleagues You might also have ● Experience with real-time or multiplayer systems - WebSockets, collaborative editing, or state synchronization ● Experience with the Unity Engine or other interactive 3D technology ● Experience building backend services for games or interactive media Additional information ● Relocation support is not available for this position ● Work visa/immigration sponsorship is not available for this position Base Salary Range: We determine the base salary range for this role based on your primary work location:   UK: Zone A: £75,400 – £113,000 GBP gross Zone B: £86,200 – £129,400 GBP gross Canada: Zone A: $125,300 – $175,300 CAD gross Zone B: $135,400 – $203,000 CAD gross   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. Cette fourchette correspond au salaire de base prévu pour ce poste. En plus du salaire de base, ce poste peut donner droit à des attributions d’actions et à une participation à nos programmes d’incitation de l’entreprise, comme des primes annuelles discrétionnaires ou des commissions de vente. Le montant final de