Unity Developer (Player Journey)

3 Minutes ago • 2 Years + • Game Engine

Job Summary

Job Description

Papaya is a fast-growing, profitable company creating skill-based mobile games enjoyed by millions. We are seeking a Unity Developer to join our R&D team in Warsaw, Poland, focusing on the player's first 7-day experience. This role involves implementing engaging game features, building scalable architecture, collaborating with backend engineers, and ensuring high-quality, bug-free gameplay. You will have full ownership of features from start to finish, contributing significantly to the product in a hybrid work environment.
Must have:
  • 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.
  • 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.
Good to have:
  • Familiar with await and async tasks
  • Experience in iOS and Android in Unity development and deployment
Perks:
  • 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

Job Details

Description

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

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About The Company

Since 2019, Papaya has been committed to shaping the future of gaming through an innovative and forward-thinking approach to game development. We believe that gaming should be about more than just luck, which is why our games are designed to reward skill, strategy, and perseverance. Our primary focus is transforming single-player games into rewarding, multi-player skill-based tournaments. Whether it's our users or employees, we challenge everyone to take risks, try new things, and push themselves to new heights of achievement.

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