Senior Frontend Engineer at JOIN developing robust React features in a hybrid work environment. Collaborating across teams to enhance user experience for the recruitment platform.
Responsibilities
Own frontend feature delivery end-to-end – from technical discovery and solution design to implementation, testing, rollout, and monitoring in production.
Translate product requirements into scalable technical solutions, proactively identifying edge cases, UX trade-offs, and performance implications before implementation begins.
Build complex, maintainable React components and application flows using TypeScript and modern frontend architecture principles.
Drive technical quality within your scope by writing robust unit, and end-to-end tests and ensuring high reliability of shipped features.
Actively contribute to architectural discussions, proposing improvements to frontend structure, state management patterns, performance optimisation, and scalability.
Collaborate closely with Product and Design during discovery, challenging assumptions and ensuring solutions balance user experience, feasibility, and speed.
Monitor and optimise performance and user experience in production, using metrics, logs, and analytics to continuously improve feature impact.
Support incremental improvements to the Design System and shared components when feature development requires enhancements.
Mentor less experienced engineers through collaboration and knowledge sharing (without formal people management responsibilities).
Requirements
4+ years of experience as a Frontend Engineer working with modern JavaScript frameworks (React preferred).
Strong understanding of TypeScript, HTML5, and CSS3.
Solid experience with state management libraries (Redux, Zustand, or similar).
Knowledge of API integration patterns and data fetching (REST, GraphQL).
Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress.
Understanding of CI/CD pipelines and version control using Git.
Experience working collaboratively in cross-functional Agile teams.
Strong focus on performance, accessibility, and usability.
Benefits
Apple hardware – The best tools for the job (MacBook).
Team events – Brunches, sports activities, and quarterly gatherings in Berlin.
Productivity from Everywhere – 104 days per year remote (post-probation), following our hybrid policy.
Relocation support – Assistance with paperwork, travel, and one month of furnished accommodation.
Senior Frontend Engineer developing scalable features for recruiting software at JOIN. Collaborating with design and product teams to shape the user experience and technical architecture.
Senior Front - End Engineer developing mobile applications and web dashboards for climate - tech startup Mitti Labs. Focused on performance optimization and user experience in agricultural technology.
Senior Frontend Developer developing intuitive user interfaces for an AI platform. Collaborating with cross - functional teams to enhance user experience with Next.js and React.
Senior Frontend Software Engineer developing scalable React web applications for national security and critical industries. Collaborating with Agile delivery teams to enhance core web commerce experiences.
Full Stack Developer responsible for developing and maintaining applications for U.S. Customs and Border Protection. Leading end - to - end software development and collaborating in a hybrid environment.
Frontend Developer responsible for UI/UX features and web game maintenance at a leading igaming company in Portugal. Engaging in diverse development activities across platforms.
Web Developer responsible for creating high - performance websites in various specializations. Join a collaborative team in innovative web projects within the digital solutions space.
Senior Frontend Engineer taking ownership of frontend projects for a fast - growing startup in Berlin. Collaborating with Product and Design teams to deliver pixel - perfect user interfaces.
Senior Front End Developer building and scaling user - facing applications for Mine, an AI Personal Finance Company. Taking ownership of frontend development while collaborating with cross - functional teams in New York City.
Senior Frontend Engineer responsible for developing user - facing experiences at Adobe Firefly. Collaborating with teams to implement architecture and coding practices for interactive applications.