Backend Engineer (Payments & Fraud)

At Papaya Gaming, we believe in the power of play. Our mission is to create engaging, high-quality mobile gaming experiences that entertain millions of players worldwide. We specialize in skill-based games that combine fun, competition, and real rewards, fostering a strong sense of community and engagement.

A key part of our platform is tournaments, where players can compete, improve, and connect with others. By building thriving tournament communities, we create an immersive gaming experience that keeps players coming back for more. With a strong focus on innovation, technology, and user engagement, we continuously push the boundaries of what’s possible in mobile gaming.

The Core R&D group is a key part of Papaya Gaming’s Platform division, responsible for developing and maintaining core products that shape the player’s journey. From registration, account management, payments, and restrictions to tournaments and matchmaking, the team ensures a seamless and scalable gaming experience for millions of players worldwide.

We handle payments and fraud prevention across the platform. The team integrates with multiple banking systems, manages secure transactions, and develops fraud detection mechanisms. Supporting millions of players, Typhoon ensures smooth and safe financial operations within Papaya’s ecosystem.

We are looking for an experienced Backend Developer to join our Payments & Fraud team and help build high-scale, mission-critical backend solutions. You will work in a fast-paced, highly technical environment, designing and developing scalable, resilient, and high-performance backend services that power the Payments and Fraud ecosystem.

• Develop and maintain a high-scale backend platform serving millions of users.
• Design and implement end-to-end solutions that reduce time-to-market and improve system efficiency.
• Write high-quality, performant, and maintainable code following industry best practices.
• Experiment with new technologies, tools, and third-party frameworks to drive innovation.
• Mentor new team members and contribute to a culture of engineering excellence.

Tech Stack

• AWS, Kubernetes, Node.js, TypeScript, Redis, MySQL

• 6+ years of experience in server-side development and architecture.
• Hands-on experience in cloud-based architectures and scalable backend systems.
• Proficiency in Node.js or another major backend language.
• Passion for learning and adopting new technologies.
• A can-do approach, problem-solving mindset, and ability to work in a fast-paced environment.

What We Offer

• Comfortable office in central Warsaw with all the tools you need (MacBook, external screen, etc.).
• Luxmed medical services.
• Monthly Uber Eats voucher.
• Multisport card to keep you active.
• Monthly Happy Hours to unwind with the team.
• Snacks available all day long.
• Hybrid work model for flexibility and work-life balance.

Join Papaya Gaming and help shape the future of secure gaming transactions!