Senior Backend Engineer

At Papaya, we believe in the power of play. We create skill-based mobile games that combine fun, competition, and real rewards — enjoyed by millions of players worldwide.

We're building a platform where players join tournaments, connect with others, and keep coming back. With a strong focus on innovation, scalability, and user experience, we aim to redefine what mobile gaming can offer.

We’re a fast-growing, profitable company with the spirit of a startup — no corporate bureaucracy, no endless layers of approvals. Everyone on the team makes a real impact on the product, and your voice truly matters.

We’re looking for a Backend Developer to join the team shaping the first 7-day experience of new players — a crucial journey in Papaya’s product.

You’ll play a key role in designing and delivering backend systems that power seamless, scalable experiences. As a technical leader within the team, you’ll own core architectural decisions, guide backend direction, and write production-ready code that supports millions of players.We offer a hybrid work model with flexibility at our growing Warsaw office.

Nad czym pracować?

• Nazwa projektu (ów): Player Journey
• Na jakim etapie projekt(y)? We are a successful company with an ongoing product in the Player Journey area
• Gatunek: Gry codzienni
• Platformy : Mobile

Wielkość i struktura zespołu?

It's a new team of 5 team members; Team lead, senior back end, unity developer QA, Tech art.

Na jakie zadania (obowiązki)?

• Build a high-scale backend platform for millions of users.

• Lead end-to-end solutions from requirements to production with a design that decreases the time-to-market. 

• Write high-quality and performant code following industry best practices and standards.

• Experiment with new technologies, tools, and 3rd party frameworks. Utilize them to deliver state-of-the-art tech.

• Mentor new members of the team.

• Tech stack: AWS, Kubernetes, NodeJs, Typescript, Redis, MySQL

Jakiego specjalisty szukamy?

• 4 years of proven record in server applications design and development.

• B.Sc. in Computer Science (or equivalent).

• Hands-on experience with cloud architecture

• Proficient in a major development language.

• Passion for learning new technologies and applying them to make a difference.

• Can-do approach.

Dlaczego u nas przyjemno pracować ?

• Join a profitable company with the heart of a startup – stable, growing, and full of energy.

• Enjoy a hybrid work model with flexibility and a growing Warsaw office.

• Receive competitive compensation tailored to the Polish market- B2B Service agreement

• Comfortable office in central Warsaw equipped with all the necessary tools to conquer the universe

• Luxmed Medical services

• Monthly 'Uber Eats' voucher

• Multisport card

• Monthly Happy Hours

• Snacks and Breakfasts