Salary: 1000 - 1400 pln/md B2BLocation: Gdynia or Warsaw (elastic hybrid – regular presence in the office, around once a week) Why choose this offer? International working environment Opportunity to influence architectural decisions and technical standards Close cooperation with experienced engineers across multiple domains Continuous learning and development in modern frontend technologies  ProjectWe are looking for a Frontend Tech Lead to join Jit Team and help us build innovative, large-scale web solutions that support multiple business areas within international organizations.In this role, you will be responsible for designing and guiding the implementation of scalable frontend architectures, setting technical standards, and ensuring a consistent and seamless user experience across products.You’ll work closely with cross-functional teams, contribute to shared design systems, and help create a maintainable, secure, and high-performance frontend ecosystem.What you'll be doing Designing and overseeing the development of modern, scalable frontend applications Defining technical standards and promoting best practices across teams Collaborating with designers, backend developers, and stakeholders to deliver cohesive solutions Mentoring and supporting team members in technical and architectural decisions Ensuring code quality, performance, and accessibility of delivered solutions Expected competences and knowledge Strong expertise in React and TypeScript Deep understanding of frontend architecture and modular application design Experience with shared design systems and reusable UI component libraries Knowledge of React Router and state management solutions (e.g. Redux, Zustand, Recoil) Proficiency in frontend testing frameworks (Jest, React Testing Library, Cypress) Familiarity with secure authentication and session management (BFF approach, no token storage on frontend) Familiarity with CI/CD pipelines, Git workflows, and modern frontend tooling A proactive communicator and a collaborative team player, especially in distributed teams Ability to lead development discussions, perform code reviews, and support team members in technical growth  Nice to have: Experience with Node.js (for BFF or frontend tooling) Knowledge of cloud-based environments  Technologies you'll work with React TypeScript React Router Jest, React Testing Library, Cypress Design systems / Storybook Git, CI/CD, Docker Node.js (nice to have)  About Jit TeamThe Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.