Senior Android Developer

G2A.COM is the world's largest marketplace for digital entertainment. On our platform, over 35 million people from 180 countries have already purchased more than 135 million digital items. Why? Sellers from all over the world present a rich offering of over 95,000 digital codes for games, software, gift cards, subscriptions, DLCs, in-game items, and various digital entertainment. We are a safe marketplace, where sellers guarantee instant delivery.

What else sets us apart? G2A.COM is a place co-created by a team of around 400 exceptional experts representing 10 nationalities. Most of us work in a hybrid model, some remotely, or on-site in a chosen location. Our R&D center is in Rzeszow, we also have offices in Warsaw and Krakow. The company's main headquarters are in Hong Kong, with the central office in Amsterdam.

We address each other by our first name, we are supportive, and we share knowledge. We operate based on DEI values – Diversity, Equity, and Inclusion and provide extensive development opportunities – in 2024 over 94 development and wellbeing events and in 2025, we have already held 46. We work in a dynamically changing environment, continuously implementing and utilizing the latest technologies such as artificial intelligence (AI) or augmented reality (AR).

Our mission is to seek new opportunities, pursue continuous growth, and deliver engaging entertainment. G2A’s vision is to build and strengthen its position as a leader in the digital industry by creating a comprehensive, integrated digital ecosystem based on innovative technologies and cutting-edge cybersecurity solutions.

As part of our “First in Digital, Digital First” strategy, we emphasize the balance between being external innovators and internal drivers of progress—leading digital transformation while simultaneously developing people to thrive in an ever-changing environment. This approach allows us to shape a future where technology and human potential go hand in hand, delivering exceptional results and driving sustainable growth.

We regularly check job satisfaction. According to the latest survey, as many as 96% of people trust themselves and support one another, 97% appreciate teamwork, and 83% highly value managerial support. The average tenure at G2A.COM is an impressive 5 years. This is simply a place where people want to be.

We place particular emphasis on maintaining a healthy work–life balance, as well as on the value of Deliver Value – providing value to the user, the company, oneself, and the people we work or collaborate with

By joining us, you will have the opportunity to collaborate and create projects with international brands such as Google, PayPal, Amazon, VISA, Mastercard, PayU, EY, Synerise, Modivo, Empik, and Microsoft. We think and act globally, and in our daily work, we are guided by analysis and data, although intuition and experience-based insights are also considered a significant asset. We invite you to join us on the journey of co-creating Gate2Adventure – the gateway to the world of digital entertainment. 

We’re waiting for you!

Join G2A.COM as a Senior Android Developer and build mobile applications that reach millions of users around the world.

You’ll be responsible for developing and optimizing native Android apps, co-designing their architecture, and ensuring high code quality — from unit testing to implementing best development practices. We work with Kotlin and Flutter, so we value your experience and enthusiasm for creating modern solutions.

At G2A.COM, we focus on collaboration, open communication, and initiative. We share knowledge, solve problems together, and believe that it’s people who create the best applications.

In addition to great opportunities for growth, we offer full flexibility — you can choose a hybrid or fully remote work model, and we’ll make sure your onboarding process runs smoothly. Among the benefits waiting for you are a welcome package, Motivizer vouchers, private medical care, and a MultiSport card.

Your responsibilities:

• Designing, building, and developing native Android applications in Kotlin, with a strong focus on modern architectural patterns and high-quality user experience

• Developing and maintaining applications built with Flutter

• Collaborating with the design team, backend developers, QA engineers, and UX/UI designers to deliver consistent, fast, and polished solutions together

• Contributing to application architecture design and implementing engineering best practices

• Writing unit and integration tests while ensuring the app’s stability and reliability

• Optimizing performance — both in terms of code and user experience

• Ensuring code quality through code reviews, refactoring, and process automation

• Creating and maintaining technical documentation to keep team knowledge structured and accessible

• Taking an active role in product development — proposing improvements, new features, and technologies that enhance the app’s value

You’re a perfect match for the role, if:

• You have at least 4–5 years of experience in developing mobile applications for Android and can showcase a solid portfolio or participation in interesting projects

• You have an excellent command of Kotlin and the Android SDK environment — they’re your everyday tools

• You have 2 years of experience working with Flutter and know how to leverage its full potential

• You understand and apply application architecture principles in practice (MVP, MVVM, Clean Architecture)

• You’re familiar with tools and frameworks such as Jetpack Navigation, RxJava, and Coroutines

• You work comfortably with REST APIs, JSON, Git, and Android Studio

• You know the process of publishing apps on Google Play

• You’re independent and well-organized, but also enjoy collaborating within a team

• You can communicate clearly and concisely

• You’re open to feedback and see it as an opportunity for growth

• You’re proactive and take initiative — you don’t wait for instructions, you suggest solutions

• You have English proficiency at a minimum B2 level, allowing you to communicate freely both verbally and in writing

Why joining us worth it?

• You can choose hybrid or even fully remote work

• You'll receive the tools necessary for your work, such as a laptop or/ and a phone

• We can provide your home office with ergonomic furniture and electronic devices, such as: footrests, exercise balls, chairs and lumbar supports, monitors, mousepads, laptop docking stations, mice, keyboards, and headphones

• We care about the work-life balance and wellbeing of our team

• We provide opportunities for you to turn your ideas into reality and we appreciate such initiatives

• We support skill and knowledge development via internal and external trainings

• We work according to the values of DEI: Diversity, Equity & Inclusion

• We support grassroots initiatives and charities

• We offer valuable benefits, such as the welcome pack, Motivizer vouchers (220 points/PLN employees can spend on a variety of services and products from known brands available on the platform), private health care, MultiSport card, the opportunity to participate in internal and external trainings and industry conferences, and many more

• You will receive discount codes to use on the G2A.COM sales platform so that you can enjoy the benefits of our offers and services