Senior Full-Stack Engineer - Sports (Model Controls)
Happening.com
Office
Croatia; Spain
Full Time
At Happening, we work with technology that handles serious scale on par with the Googles, Netflixes, and Amazons of the world.
If you ever wanted to see how software can handle billions of transactions per year - why not join us?
You’ll have the opportunity to bring beautiful solutions to life through clean and maintainable code, contribute to feature development from day one, and work closely with a passionate and diverse team of engineers, product managers, and designers.
We follow a Tribes and Squads model, with multiple product teams currently hiring Senior Software Engineers (Full-stack - (Backend Heavy). Every squad plays a key role in delivering seamless, secure, and engaging user experiences and your work will directly impact how we stand out in a highly competitive market!
What You’Ll Be Doing:
- Owning the entire product lifecycle, from proposal to release and maintenance
- Leveraging modern technologies like TypeScript, React, Go, AWS, Kubernetes,Kafka and more
- Mentoring teammates to ensure timely, high-quality task completion
- Driving initiatives to enhance the development experience for all engineers
- Improving build processes and tooling to boost team productivity
- Using top-tier tools like Notion, Jira Cloud, GitHub, Zoom, Lattice, and Slack.
We'Re Looking For Someone Who:
- The ideal candidate has hands-on experience in large-scale production environments, with expertise in engineering high-quality, scalable software in object-oriented or functional languages.
- You should have a passion for clean coding, automated testing, and working in cloud environments.
- Experience with distributed systems, front-end development in modern JavaScript frameworks (React, Vue.js, Angular), and technologies such as AWS, Kafka, Kubernetes. Event driven architecture.
- If you're excited about building user-centric, data-driven solutions and working in a highly dynamic, cloud-native environment, we’d love to hear from you!
- Has experience building high-quality software and values strong engineering practices like code reviews, CI/CD, and design documents
- Excels at writing clean, maintainable, and well-tested code with a focus on performance and scalability
- Embraces best practices in software engineering, such as comprehensive code reviews and thoughtful design documentation
- Is passionate about delivering high-quality solutions that anticipate and exceed customer needs
- Enjoys working in a collaborative team environment and communicates effectively with others
Bonus Points For:
- Betting/gaming industry experience
- Developing back-office applications like dashboards and CRUD systems with complex data models
- Building apps with high-frequency, low-latency data changes
- Navigating complex domains and business requirements
- Building strong relationships with users and stakeholders to enhance software quality
Senior Full-Stack Engineer - Sports (Model Controls)
Office
Croatia; Spain
Full Time
September 16, 2025