Senior React Developer

B3 Consulting's vision is to create a world of technology in which people come first. We come from Sweden, and our mission is to take care of how we live and work. Our "Care" philosophy results in technology meeting care, which allows us to build long-term relationships while creating innovative solutions. At B3, we unleash the potential of companies through IT outsourcing in a unique, Scandinavian model. We are one of the fastest growing companies in Poland, awarded the title of "Business Gazelle" in 2023 💪 If, like us, you value: 💥 Energy 💡 Logic 💻 Experience This is great - we fit together perfectly! We are looking for an experienced Senior React Developer to join our team and support the development and enhancement of the Video Consultation platform (Healthcare domain). In this role, you will focus on integrating a new video provider SDK and improving parts of the existing frontend architecture to ensure scalability, maintainability, and reliable multi-party video calling. You will work closely with an experienced team of senior engineers and the solution architect , contributing to complex frontend features and helping evolve the technical architecture where needed. We're looking for someone, who can join the project ASAP! 🎇To join us you need: Senior-level experience with React Strong knowledge of TypeScript Experience integrating third-party SDKs or complex external libraries Strong understanding of frontend architecture and application structure Ability to work effectively in a senior engineering team Strong English communication skills - min C1 🎇 Fulfill our mission by: Integrate a new video consultation provider into our client's existing application. Work on SDK integrations , particularly around multi-party video calling functionality. Implement complex, frontend-heavy features using React and TypeScript . Collaborate with the team architect to reorganize and optimize parts of the application architecture. Ensure high standards of performance, maintainability, and code quality . Work closely with a cross-functional team of senior developers (team of 8) . 🎇 Nice to have: Experience integrating communication or video SDKs Familiarity with Node.js 🎇On board with B3 you will receive: Health and sports benefits tailored to your needs Free running and swimming training, internal triathlon team, joint competitions (Warsaw) Tailor-made development activities to deepen expert knowledge Cyclical initiatives allowing development in IT fields other than the current one