Senior Mobile SDK Engineer

This is a fully remote position, open to applicants in Poland.

📋 Description

• Design and create a dependable SDK for integration into mobile games and applications built on Unity.

• Develop and sustain native SDK components for both iOS and Android, along with the Unity integration layer.

• Define the SDK architecture, public APIs, integration patterns, and facilitate communication between Unity and native mobile components.

• Manage the entire SDK lifecycle from initial design and implementation through to packaging, release, monitoring, and ongoing support.

• Ensure compatibility across different versions of Unity, iOS, Android, devices, and customer environments.

• Collaborate with the Mobile Lead and fellow engineers on technical decisions and implementation strategies.

• Proactively identify technical risks and suggest practical solutions independently.

⛳️ Requirements

• Over 5 years of professional software development experience.

• Extensive hands-on experience in developing mobile SDKs for use within Unity applications.

• More than 3 years of relevant experience in Unity SDK development.

• At least 2 years of experience in native mobile development.

• Strong understanding of Unity and the integration between Unity/C# and native mobile code.

• Professional experience in native Android development using Kotlin.

• Professional experience in native iOS development using Swift.

• Knowledge of mobile application lifecycles, performance considerations, threading, and debugging.

• Previous experience in leading or significantly owning an SDK initiative is highly preferred.

• Excellent communication skills with the ability to clearly explain technical decisions.

• High level of ownership, self-motivation, and capability to work independently.

🏝️ Benefits

• Security: carefully vetted clients to minimize risks and ensure reliability and timely payments.

• Career support and assistance in finding new opportunities.

• Legal assistance regarding independent contractor or sole proprietorship status, taxes, and related processes.

• English courses and opportunities for professional growth.

• Team-building events.

• Flexible working hours.

• 29 days of PTO (18 working days per year plus all national holidays).

• 10 paid recovery days.

• Full financial and legal support for independent contractors.

• Free English classes with native speakers or Ukrainian instructors.

• Dedicated HR support.