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Senior Frontend Engineer

Super Technologies · Croatia

onsitefull-timesenior level

About this role

It’s an exciting time to join us! We’re entering new markets, developing new technologies, and moving step by step towards our goal of exciting the world. As our business grows, the number of exciting people initiatives grows with it, and we’re looking for a new colleague to partner with our team to bring these to life.

Are you passionate about building cutting-edge sports statistics software? Our dynamic Stats team is dedicated to pushing the boundaries of technology, creating innovative solutions, and fostering a culture of mentorship and continuous improvement. You’ll work with the latest tools and technologies, take ownership of the entire product lifecycle, and collaborate with a talented team of engineers. If you’re eager to make a meaningful impact and grow in a supportive, high-performing environment, we’d love to hear from you!

What you’ll be doing:

  • Owning the full product lifecycle, from the initial proposal and planning to implementation, release, and ongoing maintenance
  • Building innovative solutions using modern technologies such as TypeScript, React, AWS, and GitHub Actions
  • Mentoring teammates to help them achieve high-quality results while meeting deadlines
  • Leading initiatives to enhance the development experience for engineers across the organization
  • Creating and maintaining build processes and tools to streamline workflows and boost team efficiency
  • Leveraging best-in-class tools like Notion, Jira Cloud, GitHub, Google Meet, Lattice, and Slack to maximize productivity and collaboration
What we’re looking for:
  • A minimum of 5 years of hands-on experience with JavaScript and a strong understanding of its ecosystem
  • High proficiency in developing applications with TypeScript
  • Practical experience with Vue or React (ReactRouter or NextJs)
  • Knowledge of modular software architecture, including microservices and microfrontends
  • A proven ability to mentor teammates, manage time and priorities effectively, and resolve dependencies
  • Experience in writing comprehensive and reliable tests to ensure code quality
  • A track record of developing and maintaining build tools and toolchains to improve developer experience (DX)
  • Strong attention to detail and a commitment to delivering exceptional products
  • Deep understanding of best practices, design patterns, and core principles in software development
  • Expertise in performance optimization techniques and their practical application
  • Strong collaboration skills, with a history of building productive relationships with users and stakeholders
  • A team-first mindset, thriving in collaborative environments where success is shared
Bonus points for:
  • Familiarity with applications involving high-frequency, low-latency data changes
  • Proven success in navigating complex domains and business requirements

About us

We are a global technology company dedicated to building the future of entertainment and fan-centric experiences.

With commercial markets in Brazil, Belgium, Poland, Romania, and Serbia, our company has evolved from a leading sports betting and gaming operator into a diversified product and tech organization, gathering more than 5,000 dedicated people across our teams.

Shaping the future of play

At Super, we are creating a unique entertainment ecosystem engaging millions of customers worldwide. Our product and technology teams in Amsterdam (the Netherlands), Madrid (Spain), Zagreb (Croatia), London (UK), and Bucharest (Romania) are building the playstack that will champion the future of play.

Our ambitious growth strategy focuses on expanding across Europe and Latin America while delivering immersive customer experiences and creating lasting value for our customers, partners, and communities.

Global recognition and standards

The company’s long-term strategy is supported by world-class investors. In 2019, Blackstone, the world’s largest alternative asset manager, made a strategic minority investment of €175 million. In 2025, we strengthened our financial position through a €1.3 billion refinancing agreement, reinforcing our partnership with Blackstone and enabling accelerated global expansion.

Super is committed to the highest standards of compliance, safety, and responsibility. As such, we are active members of the International Betting Integrity Association (IBIA) and the European Gaming & Betting Association (EGBA).

 

About Super Technologies

We are a global technology company dedicated to building the future of entertainment and fan-centric experiences. With commercial markets in Brazil, Belgium, Poland, Romania, and Serbia, our company has evolved from a leading sports betting and gaming operator into a diversified product and tech organization, gathering more than 5,000 dedicated people across our teams. Shaping the future of play At Super, we are creating a unique entertainment ecosystem engaging millions of customers worldwide. Our product and technology teams in Amsterdam (the Netherlands), Madrid (Spain), Zagreb (Croatia), London (UK), and Bucharest (Romania) are building the playstack that will champion the future of play. Our ambitious growth strategy focuses on expanding across Europe and Latin America while delivering immersive customer experiences and creating lasting value for our customers, partners, and communities. Global recognition and standards The company’s long-term strategy is supported by world-class investors. In 2019, Blackstone, the world’s largest alternative asset manager, made a strategic minority investment of €175 million. In 2025, we strengthened our financial position through a €1.3 b...

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