Backend Engineer

We’re looking for a Backend Engineer to join our backend engineering team. You’ll be working closely with our Frontend, Product Management, Design and Digital Marketing teams, directly contributing to the backend systems that drive growth, user retention and premium conversions across Nexus Mods.

You’ll help build and improve the services that underpin our commercial and growth initiatives, such as, premium features, subscription flows, creator monetisation, account value, and engagement systems, all at a massive scale.

This is a highly collaborative role where you’ll work cross-functionally to experiment, iterate, and deliver features that meaningfully impact the business.

Responsibilities

• 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.

• 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.

• 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.