Blacktree Gaming

Senior Backend Engineer

Senior DevOps Engineer

Nexus Mods is seeking a Senior Backend Engineer to design, build, and scale APIs and systems for the world's largest video game modding platform. This role involves shaping features that impact millions of gamers and creators, from discovery to delivery. Responsibilities include maintaining performant, reliable, and secure backend services, collaborating with cross-functional teams, prototyping APIs, and contributing to high standards in code and process. The engineer will tackle challenges in massive scale, complex compatibility, and passionate user communities.

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About Nexus Mods</h3><p class="my-4 text-gray-700 leading-relaxed">If you’ve ever downloaded a Skyrim texture pack, turned Stardew Valley into a co-op farm sim, or pushed Cyberpunk to its limits with mods, chances are, you’ve already used <a href="https://www.nexusmods.com/" target="<em>blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Nexus Mods</a>. Established in 2001, <a href="https://www.nexusmods.com/" target="</em>blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Nexus Mods</a> is the world’s largest video game modding platform and a household name in PC gaming.</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">65M+ registered members</li><li class="leading-relaxed">750K+ mods for 3,500+ games</li><li class="leading-relaxed">18B+ downloads</li></ul><p class="my-4 text-gray-700 leading-relaxed">We’re modernising our platform and building for the next decade of community-powered modding.</p><p class="my-4 text-gray-700 leading-relaxed">Our mission is to make modding accessible, safe, and rewarding for players and creators everywhere.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">How We Work</h3><p class="my-4 text-gray-700 leading-relaxed">At Nexus Mods, engineers don’t disappear into silos. You’ll join a <strong>cross-functional product pod</strong>. An autonomous, outcome-focused team with everything needed to ship real impact: Product Manager, Tech Lead, Backend/Frontend engineers, App Developers, Designers, QA, Community, and Content.</p><p class="my-4 text-gray-700 leading-relaxed">Pods own strategy, discovery, delivery, and results. That means you’re not just handed tickets, you help shape what gets built, test ideas with users, and see your work reach millions of gamers worldwide.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Role</h3><p class="my-4 text-gray-700 leading-relaxed">We’re seeking a <strong>Senior Backend Engineer</strong> to design, build, and scale the APIs and systems that power the Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities.</p><p class="my-4 text-gray-700 leading-relaxed">From discovery and experimentation to delivery and scale, you’ll be hands-on in shaping features that directly impact the modding ecosystem:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Helping millions of gamers discover, download, and manage mods effortlessly.</li><li class="leading-relaxed">Empowering creators to publish, distribute, and manage their work with confidence.</li><li class="leading-relaxed">Building high-traffic APIs that serve millions of requests per hour.</li><li class="leading-relaxed">Designing backend systems that support both web and desktop applications.</li><li class="leading-relaxed">Improving performance, scalability, and reliability of critical services.</li><li class="leading-relaxed">Creating tools that make modding safer, more accessible, easier and more fun.</li><li class="leading-relaxed">Experimenting with new features and quickly validating ideas with real users.</li><li class="leading-relaxed">Tackling complex challenges around dependencies, versioning, and compatibility.</li><li class="leading-relaxed">Ensuring our platform evolves to handle the next decade of growth in gaming.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Responsibilities</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Design, build, and maintain backend services and APIs that power mod discovery, installs, publishing, and creator dashboards.</li><li class="leading-relaxed">Ensure services are performant, reliable, and secure at scale (tens of millions of users).</li><li class="leading-relaxed">Collaborate with Frontend, App, and DevOps Engineers in your pod to deliver end-to-end features.</li><li class="leading-relaxed">Contribute to product discovery by prototyping APIs, validating technical feasibility, and surfacing trade-offs early.</li><li class="leading-relaxed">Write clean, maintainable, and well-tested code.</li><li class="leading-relaxed">Set and maintain high standards and process: tests, CI/CD, documentation</li><li class="leading-relaxed">Help mentor other engineers and contribute to shared standards across pods.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Requirements</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Deep experience with at least one backend language (Ruby, PHP, Java, Go, Node.js, etc.) and curiosity to learn others.</li><li class="leading-relaxed">Experience designing and building APIs (REST and/or GraphQL).</li><li class="leading-relaxed">Solid experience with relational databases (Postgres, MySQL) and familiarity with NoSQL stores (Redis, ElasticSearch).</li><li class="leading-relaxed">Experience with distributed systems, queues, and event-driven architectures.</li><li class="leading-relaxed">Production experience with performance optimisation, caching, and scalability.</li><li class="leading-relaxed">Hands-on experience deploying services with CI/CD pipelines and container orchestration (Docker/K8s).</li><li class="leading-relaxed">Excellent communication skills and ability to work in a cross-functional team.</li><li class="leading-relaxed">Ability to balance speed, quality, and pragmatism in delivery.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Bonus Skills</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Familiarity with Ruby on Rails or Symfony.</li><li class="leading-relaxed">Knowledge of authentication, identity management, and payments.</li><li class="leading-relaxed">Experience with search systems (ElasticSearch, Meilisearch).</li><li class="leading-relaxed">Understanding of gaming ecosystems (e.g. multiplayer services, content distribution, or digital marketplaces)</li><li class="leading-relaxed">Experience building tools for creators, modding communities, or user-generated content platforms.</li><li class="leading-relaxed">Passion for games and mods. Whether that’s tweaking Skyrim load orders, building Minecraft servers, or diving into Baldur’s Gate 3 mods.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Why Join Us?</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Join a company loved by millions of gamers, where your work has a visible impact.</li><li class="leading-relaxed">Work in a 4-day week (32h, no reduction in pay).</li><li class="leading-relaxed">Remote-first, or join us in Exeter, UK (relocation assistance available).</li><li class="leading-relaxed">25 Euros per month games allowance. Play anything you like.</li><li class="leading-relaxed">Private BUPA healthcare (you + your family).</li><li class="leading-relaxed">Flexible training budget for conferences, courses, or coaching.</li><li class="leading-relaxed">A culture of autonomy, discovery, and learning, not just shipping features.</li></ul><p class="my-4 text-gray-700 leading-relaxed">This is more than another backend job. It’s a chance to shape the future of modding, empower millions of creators and players, and build something the gaming world truly relies on.</p>

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<p class="my-4 text-gray-700 leading-relaxed">A leading European developer and publisher, driven by a singular goal: making great games that capture the hearts of players worldwide. Our community unites 1+ billion registered players.We’ve developed or produced games, including War Robots, Hustle Castle, Rush Royale, Left to Survive, Tacticool, Grand Hotel Mania, War Robots: Frontiers – and many more.Our internationally distributed team consists of top-tier gamedev professionals. We work remotely, and our hubs are located in the Netherlands, Cyprus, Armenia, UAE and Serbia.Come join a universe of professional opportunities: develop and support large scale projects from PC/console/mobile, and create products across various genres – from casuals to shooters.##### What you’ll do:*   Define, describe, and ship new game features from concept to release*   Collaborate closely with artists, engineers, and UI/UX designers*   Lead and mentor a team of game designers*   Track key product metrics and drive continuous improvement##### What you need to succeed:*   6+ years of experience as a Game Designer*   A strong desire to work on an Rush Royale–like project*   Hands-on experience with Unity*   Deep gaming literacy across both classic titles and modern mobile games (experience with Brawl Stars, Clash Royale, Random Dice, and Hearthstone is a plus)*   Responsibility, strong communication skills, and a team-first mindset*   Comfort working in a fast-paced, collaborative environment##### What we offer:*   Work remotely from all around the world*   Collaborative working atmosphere in an internal game dev community that unites more than a dozen of internal game studios, crafting innovative experiences across mobile, PC, and console platforms*   A strong team of specialists across different areas — access unique expertise and professional knowledge*   Possibility to experiment and work on interesting tasks with ambitious goals — we have all resources to implement new ideas*   Create great games and win the hearts of players*   Push the boundaries of the game industry and lead the way forward</p>

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Senior Backend Engineer

Senior DevOps Engineer

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