About the Role

Burny Games is a Ukrainian product and publishing game development company focused on mobile puzzle games that blend creativity with analytics. Our mission is to challenge players’ minds daily by delivering a consistently high-quality gameplay experience.

Founded in 2022, Burny Games has grown into a team of 100+ specialists, with hubs in Kyiv, Ukraine, and Lisbon, Portugal.

Key Highlights

65+ million downloads across the company’s portfolio
#2 Employer in Ukrainian GameDev (DOU, 2026)
Fastest-growing mobile game studio in Ukraine (DOU, 2025)
Full in-house pipeline: development, live ops, analytics, and publishing
A deeply data-driven approach to product and team development

What You'll Do

Own the Rust core: service logic, networking, data sync, offline mode.
Build and maintain native layers: Kotlin with JNI, Swift with C interop, C# with P/Invoke for Unity.
Design and maintain the API our internal product teams build on, including backward compatibility.
Handle builds, packaging, and releases across all supported platforms.

Must-have

5+ years of overall engineering experience; 1+ year of Rust in production.
Confident with async, threads, synchronization, queues, and deadlock debugging.
Practical FFI experience: extern "C", JNI, memory management across the language boundary.
Experience with local databases, including version-to-version migration and resilient-first / data-preservation-first design.
Comfortable building under real constraints: limited RAM, disk, and battery.
At least one or two platform stacks — Android, Apple, Unity, or Windows.
Experience shipping and maintaining an SDK or library used by other teams.
English at a level comfortable reading/writing technical documentation.
A macOS machine to work from (required for building the Apple targets).

Nice To Have

Uniffi or similar binding generators.
CI/CD and package publishing experience (SwiftPM, Maven, UPM).
In-app purchases (Play Billing, StoreKit).
Game development experience.
Mobile binary size optimization.

What We Offer

100% payment of vacations and sick leave [20 days vacation, 22 days sick leave], medical insurance.
A team of the best professionals in the games industry.
Flexible schedule [start of work from 8 to 11, 8 hours/day].
L&D center with courses.
Self-learning library, access to paid courses.
Stable payments.

The Recruitment Process

CV review → Interview with TA → Interview with Full-stack Developer → Final Interview with CTO → Job offer

If you share our goals and values and are eager to join a team of dedicated professionals, we invite you to take the next step.

Requirements

Rust experience

5+ years of overall engineering experience; 1+ year of Rust in production.

Concurrency knowledge

Confident with async, threads, synchronization, queues, and deadlock debugging.

FFI experience

Practical FFI experience: extern 'C', JNI, memory management across the language boundary.

Database experience

Experience with local databases, including version-to-version migration and resilient-first design.

Platform knowledge

At least one or two platform stacks — Android, Apple, Unity, or Windows.

Nice to Have

Binding generators

Experience with Uniffi or similar binding generators.

CI/CD experience

CI/CD and package publishing experience (SwiftPM, Maven, UPM).

In-app purchases

Familiarity with in-app purchases (Play Billing, StoreKit).

Game development

Experience in game development.

Binary optimization

Knowledge of mobile binary size optimization.

Benefits

Vacation and sick leave

100% payment of vacations and sick leave [20 days vacation, 22 days sick leave], medical insurance.

Professional team

A team of the best professionals in the games industry.

Flexible schedule

Flexible schedule with start of work from 8 to 11, 8 hours/day.

Learning opportunities

L&D center with courses and access to a self-learning library.

Stable payments

Stable payments.