Unity Developer

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 Unity Developer to join the team driving the first 7-day experience of new players — a core journey in Papaya’s product.

You’ll play a key role in delivering smooth, engaging game features that shape a player’s first impression and ongoing connection. As part of a full-stack team, you’ll be responsible for coding, architecture, and deep collaboration with backend, product, and game stakeholders.We offer a hybrid work model with flexibility at our growing Warsaw office.

Responsibilities:

• Implement new game features in Unity that improve onboarding and early engagement.
• Build clean, scalable architecture to support fast iteration and long-term performance.
• Collaborate with backend engineers to develop full-stack experiences with server communication.
• Ensure high-quality, bug-free gameplay for millions of new players.
• Participate in planning, design, and continuous improvement alongside a cross-functional team.
• Full ownership and delivering feature from a-z.
• Work on long retention meta features.
• Optimizing the game for the best performance on all supported devices.
• Design, implement and innovate features with cutting-edge technologies.
• Make sure the games maintain excellent performance and a great user experience.

Requirements:

• 2+ years of hands-on Unity development experience.
• Strong skills in gameplay mechanics, UI/UX, and performance optimization.
• Experience working in teams with backend integration (client-server model).
• Familiarity with scalable architecture and clean code principles.
• Ability to collaborate effectively with designers, engineers, and product managers.
• A team player who enjoys working with others.
• Good written and verbal English communication skills.
• Passion for games.
• Familiar with await and async tasks - an advantage.
• Experience in iOS and Android in Unity development and deployment - an advantage.

What We Offer:

• 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