Android Developer (Senior)

We are looking for a driven, passionate, self-motivated hands-on Android Developer (Senior) to take a major part in our strategic native product.

This is a hybrid position based in Krakow or Warsaw, with on-site work required twice a week.

What You'll Do

Take the lead in designing scalable and robust application architectures based on business requirements. Own the technical direction and architectural integrity of the product.

Work closely with Product Managers, Designers, and other stakeholders to gather detailed requirements and translate them into well-structured, maintainable, and efficient technical solutions.

Resolve complex architectural and technical issues, ensuring the highest standards of quality, performance, and scalability.

Lead and mentor a team of engineers, providing guidance on best practices, design patterns, and coding standards. Foster a collaborative and growth-oriented environment within the engineering team.

Continuously explore new technologies and methodologies to improve product performance, scalability, and maintainability.

Create, maintain, and update technical documentation to ensure knowledge sharing across teams and stakeholders. Communicate architectural decisions clearly to both technical and non-technical stakeholders.

What We're Looking For

5+ years of experience in Android development, with a proven track record of leading technical efforts in building complex, high-performance applications.

Expert-level proficiency in Kotlin and Jetpack Compose, with a deep understanding of the language and frameworks to design, implement, and optimize modern Android applications.

Strong knowledge of Object-Oriented Design (OOD) and System Design : Ability to architect and design scalable, efficient, and maintainable systems. Comfortable making high-level design decisions and resolving complex architectural challenges.

Understanding of multi-threading and asynchronous programming. Strong knowledge of coroutines and structured concurrency.

Experience with integrating web solutions into a native application, including bridging between JavaScript and Kotlin.

Understanding of Android design principles, Material Design guidelines, and best practices for building intuitive and visually appealing user interfaces.

Familiarity with the Android application lifecycle, activity / fragment management, and lifecycle-aware components.

Knowledge of UI / UX standards for modern applications, ensuring the product meets both technical and user experience expectations.

Strong understanding of the full mobile development life cycle, including requirements gathering, design, testing, deployment, and maintenance.

Passion for software engineering, with a commitment to continuous learning and staying up-to-date with industry trends, tools, and best practices.

Leadership and mentoring skills to guide junior developers and foster a culture of collaboration, innovation, and technical excellence within the team.

English level : Advanced — reading / writing documents, daily meetings with teams

Company Summary

Please note that recruitment and work assignments will be handled by Aristocrat, however, this role will be hired through our trusted third-party Professional Employer Organization (PEO). The PEO will handle payroll, benefits, and HR administration, ensuring a seamless employment experience.

Aristocrat Interactive

Aristocrat Interactive is Aristocrat Leisure Limited’s (ASX : ALL) regulated online Real Money Gaming (RMG) business and was formed in 2024 when the Anaxi and NeoGames businesses (Anaxi, NeoGames, Aspire Global, BtoBet, and Pariplay) came together.  The business is an industry leader in content and technology solutions for online RMG, with a full-service offering that includes content, proprietary technology platforms and a range of value added services across iLottery, iGaming and Online Sports Betting (OSB).

About Aristocrat

Aristocrat Leisure Limited (ASX : ALL) is a leading gaming content creation company powered by technology to deliver industry-leading casino games together with mobile games and online real money games, collectively entertaining millions of players worldwide, every day. Headquartered in Sydney, Australia, Aristocrat has three operating business units, spanning regulated land-based gaming (Aristocrat Gaming), social casino (Product Madness) and regulated online real money (Aristocrat Interactive). Our team of over 8,500 people across the globe are united by our company mission to bring joy to life through the power of play .

Our Values

All about the Player

Talent Unleashed

Collective Brilliance

Good Business Good Citizen

Travel Expectations

None

Additional Information

Depending on the nature of your role, you may be required to register with the Nevada Gaming Control Board (NGCB) and / or other gaming jurisdictions in which we operate.

At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.