Principal Software Engineer (Java)-Gaming Tech

As a Staff Engineer, you will be a key technical leader in our LiveOps squad, 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!, At Homa, we prioritise talent, energy, and determination over traditional credentials. We're building a global community of brilliant, driven people who think boldly, act with pragmatism, move fast, and push boundaries. We believe true innovation comes from diverse perspectives, deep collaboration, and curiosity without limits. Our culture is grounded in four core values:

• Ambition: We strive for the best - we don't settle for "good enough," - we use common sense to reach higher.
• Humility: We recognise that we are always learning, we can always improve and grow - we stay grounded in a clear view of ourselves.
• Curiosity: We continuously seek the "why" behind the "what" - we explore with purpose and practicality.
• Focus: Our curiosity takes us deeper, not wider - we obsess over the details and let pragmatism guide our attention.

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.

Homa is a global mobile game developer and publisher creating games people love. We partner with studios and internally develop games, having launched over 80 titles, reached over 2 billion downloads, and seen our game All in Hole break into the global top-50 grossing charts. These are milestones, not the finish line. With deep expertise in product and technology, we built Homa Lab, our proprietary platform that gives developers the market intelligence, data tools, and game tech, with AI built-in, to find product-market fit fast and scale mass-market games into lasting experiences players enjoy for years. This is our flywheel: Homa Lab helps studios spot the right ideas early, turn them into games quickly, and reach millions of players. Every launch brings back data and insights that fuel the next hit, making each turn of the loop faster, smarter, and more likely to win. AI supercharges this process, running through everything we do, from everyday tasks to our guiding principles. What powers the loop is talent density. 220+ people from 30+ nationalities, bringing expertise from the world's best studios and companies. We uphold ambition, curiosity, humility, and focus, and deliver with speed, excellence, and candor. Since the start, we've raised $165M from Headline, Northzone, Eurazeo, Bpifrance, and the founders of King, Sorare, and Spotify, people who've built and backed the games and platforms we admire, now supporting our drive to create the next ones. At Homa, we are building the next billion-player experiences from the ground up and shaping the future of entertainment., 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., * ? Paris 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.