Trivelta builds the technology that powers a modern online sports betting & casino platform that operators use to launch and offer their own fully customized branded, legally compliant iGaming platforms and products that drive engagement, retention, and revenue. Through our proprietary sports-book and casino engine, we enable partners to offer real social interactions, predictive gameplay, and casino entertainment in one unified experience.
The RoleAs a Senior Mobile Software Engineer, you’ll play a critical role in shaping the core product platform. This platform powers our sportsbook and casino experiences, ensuring a seamless, engaging, and high-performing user journey. You’ll translate product and design concepts into clean, production-ready code while building scalable systems that serve as the foundation for our growth. This role is ideal for someone eager to influence product direction, iterate quickly, and deliver experiences that reach thousands of users from day one.
Key Responsibilities- Build and maintain mobile user-facing features using React Native and TypeScript, delivering high-performance experiences across Android and iOS, while using Next.js to provide shared backend services that power both mobile and web applications.
- Collaborate with designers and backend engineers to deliver polished interfaces and intuitive user flows that scale with our product.
- Establish and maintain a reusable component library and design system to accelerate development and ensure consistency across the platform.
- Contribute ideas that shape product direction and deliverables, balancing speed with quality in a fast-paced startup environment.
- Strong proficiency with React Native and TypeScript to deliver native mobile applications.
- Experience designing and implementing complex product flows and interactive user interfaces.
- Demonstrated ability to think about scalability, maintainability, and performance in frontend architecture.
- Proven track record of ownership across the full feature lifecycle in dynamic, startup-like environments.
- Based in Barcelona
- Fluent in English
- Minimum 4 years of relevant experience
- EU work authorization required — no visa sponsorship
Top Skills
What We Do
Trivelta delivers next-generation iGaming infrastructure purpose-built for modern operators. We provide end-to-end B2B technology solutions for sports betting and online casino operators. From full turnkey platforms to sportbook solutions, we tailor our services to meet your exact needs. Our technology is modern, scalable, and built to grow with your business. We combine Sportbook, Casino and Social Features into one customizable platform—designed to maximize retention and revenue. We provide three different solutions that are tailored to your needs: traditional sportbook and casino, sweepstakes sportbook and casino, and daily fantasy app. If you'd like to get to know what sets us apart from the rest of the industry, request a demo through our website today!
