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Join us as Senior Node.js Developer on Warhammer 40,000: Supremacy!

At Twin Harbour Interactive we strive to develop high-quality strategy games and make them accessible for all players around the world. In our eyes game development is a promise for fun and entertainment – that’s what we live and aim for!

Innovation is part of our DNA. We actively integrate Artificial Intelligence to reduce repetitive tasks and create space for what really matters: strategic thinking and human connection. We don't just use AI - we look for people who can shape the way we work with it.

We are seeking an experienced Senior Node.js Developer (all genders) to join our team working on a successful Free-to Play (F2P) mobile strategy game.
You will be part of our interdisciplinary team developing, building and running Warhammer 40,000: Supremacy, an ambitious online grand strategy game set in the iconic Warhammer 40k universe. You can expect a professional and international working environment covering a wide scope of technologies and a deep focus on delivering a visually pleasing and technically excellent player experience.

In this role you will be working on both: a legacy PHP backend and new services in Node.js meant as a replacement for the former. The services will be running on a distributed architecture in the Google Cloud. Your work will align with best practices in stability, performance, scalability, security, and maintainability. These services are meta-services handling things such as player-data or live-ops and monetization related information.

Our frontend is a Unity client and it is also connecting to a dedicated Gameserver written in Java.

YOUR MISSION

• Be part of an experienced and passionate engineering team building a flagship title in the Warhammer 40,000 universe.

• Take Ownership for maintaining our legacy central meta-data PHP-service that is heavily used by other stakeholders like game design and monetization.

• Take Ownership of modernizing our meta-data service adopting new Node.js services created by our Web-API team and helping them form this completely new stack.

• Design, develop, test, deploy, maintain, and improve our software with high-quality, maintainable code.

• Work closely with game designers and product leads to implement new features with an interest in learning the complementary full-stack technologies.

• Work closely with an internal team focusing purely on replacing our legacy PHP-service and adopting their work for the Warhammer 40.000 team.

• Create new Node.js services in this eco-system for specialized functionality relevant for the Warhammer 40.000: Supremacy game.

• Contribute high-quality, maintainable Typescript code using a wide range of technologies such as Next.js, Nest.js, Jest, Mocha, Turbopack, Github, Docker, MySQL, Pub/Sub and Redis.

YOUR BACKSTORY

• You have an engineering mindset and a passion for the craft.

• 7+ years of proven experience in Node.js/Typescript development, demonstrating strong coding and debugging skills.

• Proficiency in popular Node.js/Typescript frameworks such as Next.js, Nest.js, Express.js, and Jest.

• Excellent verbal and written communication skills, with the ability to work effectively in a cross-functional team environment.

• Demonstrated ability to effectively integrate AI tools into development workflows for code generation, debugging, and technical research

• You are at least familiar with PHP.

• You have a proactive attitude towards learning new technologies and improving existing skills, including leaving the comfort zone of your programming language.

• You have experience developing and maintaining multi-server, high-load backend services and APIs.

• Familiarity with SQL and NoSQL databases, including MySQL, PostgreSQL, MongoDB, or similar.

• You are enthusiastic about games and ideally strategy games.

Nice-to have skills to impress us

• Passion for the Warhammer 40,000 universe and turn-based or online strategy games or games in general.

• Experience with Hyperscalers like GCP, networking, and debugging distributed systems is a plus.

• Experience working in an agile environment, preferably using Scrum.

Why You'll Love Working With Us

A Global Team, A Shared Purpose

Our strength lies in our diversity. With over 30 nationalities represented across our two locations, we’re united by a shared passion for strategy games and a bold vision for the future. We celebrate what makes each of us unique – our perspectives, our stories, and the paths that led us here.

Work Your Way

Whether you're crafting code from a harbor-view desk in Hamburg or fine-tuning design details under the Maltese sun, we support flexible hybrid work models that empower you to do your best work – wherever you are.

Grow With Us

At Twin Harbour, your journey matters. Our Career Path Framework and mentorship culture provide the clarity and feedback you need to take the next step – whether you’re deepening your expertise or branching into new disciplines. We invest in your growth with language courses, e-learning platforms, and support for conferences and training.

We’re Human First

We believe that great teams are built on trust, respect, and good humor. From game nights to casual drinks, quiz nights, and karaoke, we don’t just work together – we connect, play, and support each other like a true crew.

Join Twin Harbour Interactive

Where Strategy Meets Vision.

Twin Harbour Interactive is a global strategy game powerhouse, shaping the future of long-term multiplayer gaming. With offices in Hamburg and Malta, we design strategy games that bring people together – across borders and generations.

Whether you’re an expert tactician or an imaginative world-builder, there’s a place here for you to grow, thrive, and leave your mark.