Staff Engineer

Description

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is a global mobile game developer and publisher with 80+ titles and 1.8B downloads. At the heart of our mission is a simple goal: create the games people love. We combine cutting-edge technology with a passion for games to build mass-market hits with franchise potential.

We focus on achieving product-market fit with mass-market games and scaling them into lasting, retentive experiences that players enjoy for years. Powered by deep expertise in product and tech, our proprietary platform - Lab - provides developers with the market intelligence, data tools, and game tech they need to succeed on a global scale.

Since our inception, we’ve raised $165 million from top-tier investors including Headline, Northzone, Eurazeo, and Bpifrance, with backing from notable angels such as the founders of King, Sorare, and Spotify. But what truly sets us apart is our team.

We believe in the power of extraordinary talent. Our diverse and rapidly growing team, spanning different countries, cultures, and backgrounds, is united by a shared ambition to shape the future of gaming. We foster a high-performing, collaborative ecosystem where talent density drives everything from innovative gameplay to long-term studio partnerships.

👋 Team

The Java team provides core components to our gaming infrastructure. We work closely with LiveOps managers, game developers, SDK and data teams to align technical solutions with business needs while providing services to millions of players.

🎯 Mission

As a key technical leader in our LiveOps squad, you will be driving architectural decisions, optimising systems, and mentoring engineers. You will be responsible for designing, developing, and scaling critical back-end services that support millions of players daily. If you are looking for a position where you will have the freedom to rewrite core components, participate in the design and implement new features, and significantly impact the team, then this might be the job for you!

Requirements

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We are looking for someone with proven expertise in software engineering and a drive to have impact and learn fast. You’re not just ticking boxes—you’re curious, ambitious, and excited by the challenge of making games that millions will love.

You'll thrive here if you 🦄

• 10+ years experience in Java or another JVM language.
• Proven ability to design and optimize high-performance, scalable systems handling millions of daily requests.
• Hands-on experience with mobile gaming, multiplayer services, and/or LiveOps.
• Ability to own high-level technical decisions and align architecture with business goals.
• Strategic Mindset – proactive in diagnosing and resolving complex issues
• Fluent in English with excellent communication skills.

Good to have 💪

• Deep knowledge of the Spring Framework.
• Expertise in resilient software design and fault-tolerant architectures.
• Understanding of stream processing (Kafka, Spark, etc.).
• Experience with key-value stores (Redis, DynamoDB, Aerospike, etc.).
• Strong background in microservice architecture patterns.
• Proficiency in test-driven development (TDD) and automated testing.
• Hands-on experience with Kubernetes or other container orchestrators.

👋Even if you don’t check every box in our requirements, we encourage you to apply. We value diverse perspectives and backgrounds, and we’re more interested in your potential and passion than a perfect match to our checklist.

🌍 Our Culture

At , talent density is at the heart of everything we do — we’re building a global community of brilliant, driven people who think boldly, act fast, and push boundaries. We believe true innovation comes from diverse perspectives, deep collaboration, and curiosity without limits.

That’s why we prioritize talent, energy, and determination over traditional credentials. Together, we harness the power of extraordinary minds to build games players love — and to shape the future of mobile gaming. We live by four core values:

• ✨ Ambition: We strive for the best — we don’t settle for “good enough.”
• ✨ Humility: We recognize that we are always learning, we can always improve and grow
• ✨ Curiosity: We continuously seek the “why” behind the “what”
• ✨ Focus: Our curiosity takes us deeper, not wider – we obsess over the details

Benefits

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🎁 Perks & Benefits -

Building great games starts with building a great place to work. Here’s what you can expect:

• 🏥 Comprehensive Benefits: Depending on your location, you’ll enjoy a range of perks such as insurance, meal vouchers, public transport, gym memberships, and more.
• 🏢 HQ Access: Enjoy a desk at our private office in a well-located Wework building that will give you access to Wework perks like rooftop view and designed coworking spaces.
• 🌍 Coworking Access: You will have access to WeWork spaces throughout Europe — along with all their perks and professional office environments.
• 🌐 Global Team: Collaborate in English with top-tier talent from 35+ countries, spanning Europe, the UK, the US, and more. Diversity fuels our creativity and innovation.
• ✈️ Team Gatherings: We value time together beyond the screen. Join us for occasional team gatherings, off-site retreats (Workations as we name them) to connect, recharge, and celebrate.
• 📈 Growth Reviews: We’re committed to your growth. Every six months, we reflect on your progress, recognize your achievements, and align on clear development goals.
• 💻 Equipment Support: From day one, we’ll provide everything you need to do your best work — including a home office setup allowance if you're working remotely.