Senior Frontend Developer

Employment: Full-time Experience level: Mid-Senior Level Job Description Join a team at the core of our promotions ecosystem - the engine behind some of the most exciting player experiences on our platform. You’ll work closely with multiple teams on a highly visible, business-critical product, tackling a wide variety of challenges ranging from back-office flows to polished, customer-facing UI. We’re looking for a frontend developer who cares about clear, intuitive interfaces and feels confident working with animations and performance optimizations. It’s a fast-paced environment with plenty of room to grow, make an impact, and shape how millions of players experience our games. Key Responsibilities: Develop and maintain high-quality frontend applications using  TypeScript  and  React . Work with complex data-driven applications and design complex user interfaces. Ensure the application’s code is scalable, consistent, maintainable and optimised for performance. Collaborate closely with UX/UI designers to architect, implement & maintain Design System and build UI library based on that Collaborate closely with backend developers and BA/product managers. Take ownership of features and technical decisions, diving into details to ensure high-quality results. Requirements: A proactive problem solver and  analytical thinker . Keen attention to detail  and willingness to dive deep into technical challenges. Extensive experience  in building large, consistent, maintainable and scalable frontend applications. Solid understanding of  frontend architecture  and design patterns. Strong proficiency in  TypeScript  and  React . Experience working with & maintaining  data-heavy applications  and building complex user interfaces. Nice to have: Experience with MUI & its customisation Working with/setting up CI/CD pipelines Additional Information About Us Evolution is a market-leading developer and provider of products and services for online casino entertainment. Our excellence is driven by over 20,000 EVOlutioneers across 30 markets worldwide, working in product innovation, software development, IT solutions, game hosting and business support. Evolution's dynamic and creative environment creates a unique opportunity for personal and professional growth. Our integrated business-to-business solutions guarantee that our clients can always provide an unrivalled online entertainment experience to their players globally. We thrive on remaining an award-winning digital powerhouse of entertainment products and services with an ever-expanding line-up of product brands: Evolution Live, NetEnt, Red Tiger, Ezugi, Big Time Gaming, Nolimit City and DigiWheel. Evolution is a Swedish company founded in 2006 and listed on Nasdaq Nordic (EVO). At Evolution, we have implemented Whistleblower Protection Policy and provide secure and confidential channels for reporting legal or ethical concerns, available to anyone with a direct or indirect work relationship with the Company, including current and former Employees, Candidates, Shareholders, Contractors, Service Providers, Trainees, Entrepreneurs, and their proxies. To submit a report, please contact us via our dedicated whistleblowing channel at  whistleblower@evolution.com Company Description Hybrid model (3 days from the office) Warsaw, ul. Przyokopowa 33  Contract of employment (UoP) Evolution is a multinational business at the forefront of the online gaming industry. We have an extensive track record of number 1s and are always looking for great people to help us create the next big product hit.Our team of 1,000+ engineers operates out of 8 engineering hubs running code 24/7/365 to serve users around the world. This is run through a modern software stack supporting over 250 fully automated releases per month to our main live environment. We believe in building in-house competence and agile work processes so that we can deliver on our Engineering mission:  A flawless player experience