Senior Frontend Developer

Jit Team is a Polish company employing over 770 experienced experts, providing innovative IT solutions globally through specialized and efficient teams. The company supports educational and charitable initiatives, including internships, and values the human factor in IT.

• Minimum 5 years of commercial experience programming in React
• Strong knowledge of JavaScript (ES6+) and TypeScript
• Experience designing frontend application architecture including component structure, state management, and performance
• Experience with system integrations (REST API) and frontend-backend communication
• Familiarity with state management tools such as Redux, Zustand, or Context API
• Knowledge of CI/CD tools (e.g., Jenkins) and Git
• Ability to write unit and integration tests using tools like Jest and React Testing Library
• Practical experience using AI tools assisting development
• Knowledge of Agile/Scrum methodologies
• Strong analytical skills and capability for independent technical decisions
• English language proficiency at minimum B2 level

Nice to have:

• Knowledge of Next.js or other React-based frameworks
• Experience with E2E testing tools like Cypress or Playwright
• Experience in fixed-price project models
• Openness to experimenting with new AI tools enhancing software development processes

• Designing, implementing, and developing frontend applications using React
• Co-creating and maintaining the architecture of frontend systems
• Working on integration projects and building/modernizing applications for clients
• Optimizing existing solutions focusing on performance, accessibility, and code quality
• Collaborating with UX/UI designers, backend developers, analysts, testers, and Product Owner
• Conducting code reviews and ensuring coding standards
• Utilizing AI-supported tools (e.g., GitHub Copilot, Claude Code, ChatGPT) to enhance team productivity
• Supporting technical problem-solving and architectural decision-making
• Participating in technical planning and task estimation within Agile/Scrum methodology

The administrator of personal data is Jit Team located in Gdynia. Personal data processing is conducted for recruitment purposes with rights to access, correction, deletion, objection, and transfer. Consent can be withdrawn anytime. Data recipients include Just Join IT and authorized entities involved in recruitment process.