Black Tree Gaming Ltd
Senior Platform Engineer
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Salary: £65,000 - £75,000
Location: Remote, but within the UK
Please note: We are unable to sponsor international visas at this time.
About Nexus Mods
Established in 2001, Nexus Mods is the largest video game modding platform on the internet - a household name in the PC gaming ecosystem.
- 71M+ registered members
- 800K+ mods for 4,000+ games
- 21B+ mod downloads
We’re currently focused on product modernisation, driving growth and building infrastructure for the next 10 years of community-powered modding.
Our Role:
We're looking for a Senior Engineer to own the build, packaging, release, and developer experience for Vortex, our open-source Electron mod manager (TypeScript, React, Redux, Node.js) used by millions of gamers.
If you've shipped and maintained a production Electron app, build toolchain, native modules, code signing, auto-update, cross-platform packaging this role is built around that skill set. You'll work closely with our App engineers to improve how Vortex is built, packaged, and shipped across Windows and Linux.
- Own and improve CI/CD pipelines across all services, with Vortex as the primary focus (GitHub Actions).
- Own and optimise the Vortex build toolchain: pnpm/Nx monorepo orchestration, TypeScript compilation, bundling (Webpack 5, migrating to Rolldown), Electron packaging (electron-builder), and native module compilation (node-gyp, @electron/rebuild).
- Set up and maintain testing infrastructure: unit/integration (Vitest) and E2E (Playwright).
- Design and maintain the Vortex release pipeline: versioning, signing, auto-update, staging/beta channels, and installer generation.
- Improve developer experience for App engineers: local dev setup (Windows/Linux), fast rebuild/reload cycles, debugging tooling, and dependency strategy (pnpm, native builds, security scanning).
- Support ongoing Electron/Node.js runtime upgrades, ensuring native module compatibility and minimal ecosystem breakage.
- Participate in on-call, respond to infrastructure incidents, contribute to post-incident reviews, and maintain Infrastructure as Code (Terraform).
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Role Requirements:
Essential - Electron & Desktop
- Production experience shipping and maintaining an Electron (or comparable, e.g. Tauri/NW.js) desktop application.
- Strong production experience with TypeScript and Node.js.
- Electron packaging and distribution (electron-builder or similar), including code signing and auto-update.
- Native module compilation (node-gyp, C++ addons) and managing compatibility across Electron/Node.js upgrades.
Important - Build, Release & Testing
- CI/CD experience for complex, cross-platform builds (GitHub Actions or similar).
- Familiarity with pnpm and monorepo tooling (Nx or similar).
- JavaScript bundlers (Webpack required; Rolldown/esbuild migration experience a plus).
- Testing infrastructure for desktop apps, including E2E (Playwright or similar).
Nice to Have - Platform & Infra
- At least one major cloud provider (we're multi-cloud).
- Monitoring/observability tools (Prometheus, Grafana, or similar).
- Understanding of secrets management and infra security principles.
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Bonus Skills:
- Kubernetes in production; Infrastructure as Code (Terraform).
- React and Redux in a desktop application context. -.NET / C# interop from Node.js (typically over IPC).
- Code signing infrastructure (EV certificates, HSM workflows, Windows code signing).
- Desktop crash reporting and telemetry (Sentry, Crashpad, Breakpad, OpenTelemetry, or similar).
- Binary diff / delta update mechanisms (bsdiff, courgette, or similar).
- Open-source project infrastructure (community workflows, contribution and release management).
- Extension/plugin architecture patterns and developer SDK tooling.
- Background in gaming, modding, or tooling for technical creators.
Benefits:
- We work a 4-day week of 32 hours, with no reduction in pay.
- An allowance of £25 each month to spend on video games.
- Employee Assistance Programme.
- Private BUPA healthcare for you and your family.
- A very flexible training budget.
- Regular social events throughout the year. Participation is optional!
Diversity and Inclusion:
We celebrate diversity and want you to bring your whole self to work.
Supporting an incredible community of tens of millions of users, we thrive on engaging as many views as possible to improve our platform. We see no reason why our culture should be any different.
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Jessica, London
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