Java Backend Engineer

Twin Harbour Interactive; Hamburg; Hybrid; EUR 50.000 - 70.000; Vollzeit

Zusammenfassung

A global strategy game development company in Hamburg is seeking a Java Backend Engineer to enhance its gaming platform. The ideal candidate will have over 3 years of experience in Java development and proficiency in frameworks like Spring. Enjoy a collaborative culture with a focus on innovation and flexibility, complemented by a hybrid work model.

Leistungen

Flexible hybrid work model

Career development and training support

Team-building activities and events

Qualifikationen

• 3+ years of proven experience in Java development with strong coding skills.
• Experience with popular Java frameworks such as Spring and Spring Boot.
• Proactive attitude towards learning new technologies.

Aufgaben

• Design, develop, test, and maintain software with high-quality code.
• Collaborate with game designers to implement new features.
• Contribute maintainable Java code using various technologies.

Kenntnisse

Java development

Spring framework

Analytical skills

Problem-solving skills

Communication skills

Agile methodologies

Tools

Gradle

JUnit5

Docker

MySQL

Apache Kafka

Jobbeschreibung

Social network you want to login/join with:

We're on a mission to create unforgettable strategy experiences. If you're curious, collaborative, and driven by impact, we’d love to meet you.

At Twin Harbour Interactive, you'll step into a creative, collaborative environment where your ideas help shape the future of long-term strategy gaming. With the agility of an indie team and the reach of a global studio, we value innovation, ownership, and bold thinking.

We're a passionate, multicultural crew with a flat hierarchy and a deep love for smart game design. Whether you're coding, creating, or coordinating, you'll have the freedom to make an impact—and the support to keep growing.

With studios in Hamburg’s iconic St. Pauli district and sunny San Ġiljan, Malta, you’ll enjoy inspiring views, an international vibe, and a team that loves what they do.

Join us as Java Backend Engineer on our existing

and upcoming games!

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!

YOUR MISSION

• 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
• Communicate and collaborate within a cross-functional team and with other teams to ensure a smooth daily workflow
• Actively participate in technical decisions influencing the architecture of our services and platform
• Drive initiatives to enhance the stability, performance, and scalability of our platform and live games
• Contribute high-quality, maintainable Java code using a wide range of technologies such as Spring, JUnit5, Gradle, Github, Docker, MySQL, Apache Kafka, Flatbuffers, and Redis

YOUR BACKSTORY

3+ years of proven experience in Java development, demonstrating strong coding and debugging skills

Proficiency in popular Java frameworks such as Spring, Spring Boot, JUnit5, and Gradle

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

Excellent analytical and problem-solving skills

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

Knowledge of unit testing, integration testing, and test automation frameworks

You are enthusiastic about games and ideally strategy games

Experience with cloud platforms (GCP preferred), CI/CD (GitHub Actions), networking, and debugging distributed systems is a plus

Hands-on experience with agile methodologies such as Scrum or Kanban

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 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.