Senior Software Engineer

Betway Group; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

Betway Group in Kraków is seeking a Senior Software Engineer to lead design, development and evolution of our technology stack. You will work hands-on to build robust, scalable web applications and services across platforms, shaping the future of our online gaming ecosystem.

The role requires strong .NET 8+ proficiency, C# 8+, Elasticsearch, SQL Server with EF Core/Dapper, and experience with microservices, queues and modern frontend frameworks.

Qualifications

• Clear, confident communication and the ability to break down complex ideas.
• Collaborative mindset with cross-functional teams to hit shared goals.
• Strong organisational skills and multi-project management.
• Attention to detail and commitment to high-quality work.
• Adaptability in fast-moving environments.
• Proficient in .NET 8+ for Web APIs and Worker Services.
• Elasticsearch experience.
• MS SQL Server with EF Core and Dapper.
• Message queues such as RabbitMQ, Kafka or Azure Service Bus.
• Azure DevOps, including Repos, Pipelines and Releases.
• Frontend framework experience: Angular, React or Vue.
• In‑memory and distributed caching with Redis.
• Microservices development.
• Unit testing practices.

Responsibilities

• Collaborate with stakeholders to translate requirements into clear technical design documents.
• Design scalable software architectures supporting current and future cross-functional needs.
• Develop high-level system design diagrams and implement moderate-to-complex web applications.
• Design, build, test and maintain software solutions including applications, websites, data processes and UIs.
• Ensure code quality and DevOps alignment through CI/CD pipeline development.
• Conduct code reviews and drive engineering best practices.
• Collaborate with project management to define technical direction and plan delivery timelines.

Skills

.NET 8+

C# 8+

Elasticsearch

MS SQL Server (EF Core, Dapper)

RabbitMQ / Kafka / Azure Service Bus

Azure DevOps

Angular / React / Vue

Redis

Microservices

Unit testing

Job description

On average it takes 5 minutes to apply for this role. Kick-start your career in the online gaming world and experience the very latest in technology and innovation. Do you see yourself as one of those “out-of-the-box thinkers”, “Technical masterminds”, “Outstanding creatives”, or “Mind-boggling number crunchers”? If so, we want to welcome you to the Betway family and celebrate what makes you unique! Our global customer base is exploding and we need your skills to support us on this exciting journey! Don’t look back and submit your application before the opportunity passes you by..

Who we are

We’re Super Group, the NYSE-listed digital gaming company behind some of the world’s leading Sports and iGaming brands, including Betway and Jackpot City. We’re a powerhouse built on decades of expertise and we’re changing the game for good. Our mission is to give our customers a superclass entertainment experience.

Who we’re looking for

We’re on a thrilling journey of growth and innovation, and we need passionate, driven individuals to join us. At Super Group International, every day is action‑packed, and we expect you to bring your A‑game. In return, you’ll find a supportive environment where your skills can flourish and your career can soar. Ready to become a game‑changer? Supercharge your career with us and be part of something extraordinary.

Why we need you

We’re building experiences that wow our customers – and that starts with bold, curious people who want to do work that matters. If you’re hungry to grow, excited by impact and ready for a challenge that will supercharge your career, this could be your moment. As our Senior Software Engineer, you’ll play a key part in driving design, development and the evolution of our Technology stack, getting hands‑on with ensuring our platforms are robust, scalable and ready for what’s next. Your drive and ideas will help us move faster, improve smarter, and stay ahead of the game.

What you’ll do

You’ll take ownership of work that gives us our competitive edge, including:

• Collaborate with stakeholders to understand user requirements and translate them into clear technical design documents
• Design scalable software architectures that support both current and future cross‑functional needs, including software, hardware and communication components
• Develop high‑level system design diagrams and implement moderate‑to‑complex web applications across multiple platforms
• Design, build, test and maintain software solutions including applications, websites, data processes and user interfaces
• Ensure code quality and DevOps alignment through CI/CD pipeline development and continuous improvement
• Conduct code reviews, champion coding standards and drive adoption of engineering best practices
• Collaborate with project management to define technical direction and plan delivery timelines

This list covers your core responsibilities – with plenty of room to stretch, explore and take on new challenges as we grow.

What you’ll bring

You’re someone who brings:

• Clear, confident communication (written and verbal), and the ability to breakdown complex ideas
• A collaborative mindset, working smoothly with cross‑functional teams to hit shared goals
• Strong organisational skills and the ability to manage multiple projects without dropping the ball
• Exceptional attention to detail and a commitment to high‑quality work
• Adaptability – you stay sharp, productive and positive in fast‑moving environments
• Proficient in .NET 8+ for developing Web APIs and Worker Services
• Solid experience with C# 8 and above
• Hands‑on experience with Elasticsearch
• Strong working knowledge of MS SQL Server, including Entity Framework Core and Dapper
• Familiarity with message queueing systems such as RabbitMQ, Kafka or Azure Service Bus
• Proficient with Azure DevOps, including Repos, Pipelines and Releases
• Experience with one or more modern frontend frameworks: Angular, React or Vue
• Understanding of in‑memory and distributed caching using tools like Redis
• Development experience in microservices architecture
• Solid understanding of unit testing practices and frameworks

Desirable skills you’ve got up your sleeve

It would be great if you also have some of the following skills:

• In‑depth knowledge of sports betting markets, including odds calculation, betting types and market trends
• Previous experience in the online gaming or casino industry, with a strong understanding of player behaviour and industry regulations
• Familiarity with gambling regulations and compliance requirements in various jurisdictions, ensuring adherence to legal standards
• Experience in developing and executing customer retention strategies

Our values are non‑negotiables

Our culture is underpinned by core values that are linked to key behavioural competencies. Along with the below behavioural competencies, these are essential for all employees in order for you to embed in and drive our culture forward. These competencies are:

• Adaptability
• Ownership and accountability
• Initiating action
• Resilience
• Team orientation
• Integrity
• Innovation

What you’ll get back

We invest in your growth and wellbeing, so you can bring your best:

• Supergrowth is real here. Our learning and development programmes give you the tools, training and opportunities to level up fast.
• Your progress matters. Our Performance tool ensures you get meaningful feedback to support your development and superdrive your career.
• Support that has your back. Our Employee Assistance Programme offers resources for you and your family.

Should you not hear from us within 2 weeks, please assume your application has not been successful.

Betway Group is a proud member of Super Group, who are listed on the New York Stock Exchange (ticker: SGHC). We are a leading provider of innovative and exciting entertainment across sports betting, casino and esports betting. Founded in 2006, our teams in Malta, Guernsey, Spain and London are constantly expanding and evolving. By developing and utilising the very latest technologies, we have remained at the front‑of‑the‑line of the online gaming industry, providing innovative and interactive gaming experiences in a fair, safe and responsible environment. Driven by our shared vision to become the global leader in the online sports betting and casino industry, our people are forward‑thinking, team‑players who thrive on a collective diversity of skills and backgrounds. We provide our teams with the tools to create market‑leading, cutting‑edge interactive gaming experiences, from pre‑game and live sports betting, to esports and casino. We bring our people closer to the action – putting them at the heart, making them feel part of it. We live and breathe our values – these values define how we conduct ourselves in everything we do shaping how we interact with each other, our customers and our business partners. If you can imagine yourself in an environment which thrives off collaboration, and where everything is possible, then Betway could be the place for you.

Ready to feel superclass? At Super Group, your experience matters.

We’re honest, fair, and focused on helping you succeed – and your work will have real impact from day one. Game on!