Senior Software Engineer

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 Software Engineer and create data solutions that drive our global marketplace every day.

You will develop and maintain our data architecture – from designing ETL/ELT processes in BigQuery and Google Cloud Platform, to automating, monitoring, and ensuring data quality in a microservices environment.

If you enjoy combining engineering precision with system-level thinking, and collaborating with analytics and product teams gives you satisfaction – at G2A.COM you’ll find a space where your ideas truly make an impact.

In addition to excellent growth opportunities, we offer full work flexibility – you can choose a hybrid or fully remote setup, and we’ll ensure a smooth onboarding process. Among the benefits we provide, you’ll find a welcome package, Motivizer vouchers, private healthcare, and a MultiSport card.

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

• You have at least 4–5 years of software development experience – preferably in large-scale production environments
• You have excellent knowledge of Python
• You have strong SQL skills
• You're interested in working with data warehouses and want to develop in the direction of data engineering
• You have experience with cloud solutions, such as Google Cloud Platform
• You're familiar with event streaming architectures (Kafka, K8s, Postgres)
• You're experienced with version control systems (Git) and can work in a CI/CD environment
• You're communicative – able to clearly convey information to both technical and non-technical team members
• You enjoy teamwork and collaboration with analysts and developers
• You stand out for your proactivity and responsibility – you ensure the reliability of the solutions you propose
• You have an analytical mind and can quickly diagnose problems and suggest improvements
• You can organize your work, plan, and prioritize tasks in a dynamic environment
• You care about the quality of your code, tests, and solutions
• You adapt well to changing environments and can respond flexibly to new challenges
• Your English proficiency is at least B2 in both spoken and written communication

Additional advantage would be:

• You have created ETL/ELT processes and have experience with tools such as Google Dataflow and PySpark
• You're familiar with Airflow, dbt, and Terraform
• You have experience working with Java and/or Golang
• You have experience with Apache Airflow or dbt and integrating them with existing pipelines

Your responsibilities:

• Building and maintaining a data architecture based on BigQuery and Google Cloud Platform
• Designing, developing, and optimizing ETL/ELT processes using tools such as Google Dataflow, PySpark, and SQL
• Automating data ingestion, validation, and processing to improve efficiency and consistency of the data environment
• Monitoring and ensuring data quality, integrity, and security
• Developing the event streaming platform within a microservices environment
• Programming primarily in Python (with the possibility of using Java or Go in selected components)
• Ensuring code quality, automated tests, and CI/CD processes that support deployment stability
• Creating and maintaining clear technical documentation
• Monitoring the reliability of data delivery systems and proactively addressing potential issues, taking full responsibility for your area
• Closely collaborating with Data Analytics and Product teams – helping define business requirements and delivering the appropriate datasets

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