Black Tree Gaming Limited is looking for a Backend Engineer to join the backend engineering team, working closely with Frontend, Product Management, Design and Digital Marketing teams. You will directly contribute to backend systems driving growth, user retention, and premium conversions across Nexus Mods.
What You'll Do
- Develop and maintain backend services and APIs for premium features, creator tools, marketing integrations, and user growth systems.
- Work closely with Product, Design, and Digital Marketing teams to understand requirements and deliver features that support commercial goals.
- Write clean, maintainable, and well-tested code.
- Ensure backend services remain secure, performant, and scalable.
- Contribute to product discovery by participating in ideation, providing technical input, and helping validate feasibility.
- Follow engineering best practices: testing, CI/CD, documentation, observability.
- Collaborate with other Engineers and share learnings across pods.
What We're Looking For
- Experience with at least one backend language (Ruby, PHP, Java, Go, Node.js etc).
- Experience designing or maintaining APIs (REST and/or GraphQL).
- Solid understanding of relational databases (Postgres, MySQL) and familiarity with NoSQL systems (Redis, ElasticSearch).
- Understanding of distributed systems, queues, or event-driven architectures.
- Experience with performance optimisation, caching, or scalability concepts.
- Familiarity with CI/CD pipelines and containerisation (Docker/K8s).
- Comfortable working closely with product, design, and marketing in a cross-functional setting.
- Ability to balance quality with speed and experimentation.
Nice to Have
- Familiarity with Ruby on Rails.
- Experience with payments, billing systems, or subscription models.
- Understanding of authentication, identity management, or account value systems.
- Experience with search technologies (ElasticSearch, Meilisearch).
- Exposure to growth engineering, funnel optimisation, or experimentation frameworks.
- Experience with gaming ecosystems, UGC platforms, or modding tools.
- Passion for games and mods.
Technical Stack
- Languages: Ruby, PHP, Java, Go, Node.js
- Databases: Postgres, MySQL, Redis, ElasticSearch
- Infrastructure: Docker, K8s
Team & Environment
Join a cross-functional product pod (Product Manager, Tech Lead, Backend/Frontend Engineers, App Developers, Designers, QAs, Community & Content).
Benefits & Compensation
- Salary: £50,000 - £60,000 (compensation outside the UK will be adjusted based on location)
- 4-day week of 32 hours, with no reduction in pay.
- £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.
Work Mode
This is a remote position open to candidates in the UK and Europe.
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.
