Cross-Platform SDK Engineer, Rust

Burny Games

. Own the Rust core, including service logic, networking, data synchronization, and offline mode .

Posted 9/17/2026full-timeRemote • UkraineMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Rust core development, including service logic and data synchronization, while effectively managing API design and backward compatibility. Proficient in building native layers across multiple platforms and optimizing performance under resource constraints.

Highest-signal resume keywords

Rust Core DevelopmentKotlin with JNIAPI Design and MaintenanceLocal Database ManagementSDK or Library Shipping

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RustKotlinSwiftC#C++CZigAsync ProgrammingMemory ManagementData Synchronization

Soft Skills

Technical DocumentationProblem Solving

Tools & Technologies

JNIP/InvokeUnitySwiftPMMavenUPM

Industry Keywords

Mobile DevelopmentGame DevelopmentCI/CDIn-App PurchasesVersion Migration

Tech Stack

Tools & technologies

AndroidKotlinMacOSMavenRustSwiftUnityC++

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

5+ years of overall engineering experience
1+ year of Rust in production
Confidence with async, threads, synchronization, queues, and deadlock debugging
Practical FFI experience: extern "C", JNI, and memory management across the language boundary
Experience with local databases, including version-to-version migration and resilient-first/data-preservation-first design
Ability to build under constraints involving limited RAM, disk, and battery
Experience with 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 and writing technical documentation
A macOS machine required for building Apple targets
Real C++, C, or Zig experience is acceptable when Rust experience is under one year
Nice to have: uniffi or similar binding generators
Nice to have: CI/CD and package publishing experience with SwiftPM, Maven, or UPM
Nice to have: in-app purchases, including Play Billing or StoreKit
Nice to have: game development experience
Nice to have: mobile binary size optimization

Benefits

Comp & perks

100% payment of vacations and sick leave [20 days vacation, 22 days sick leave]
Medical insurance
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
A team of the best professionals in the games industry