Mid/Senior Frontend Engineer (React)
📝 Opis główny / Wstęp
About the Project
We are looking for Mid/Senior Frontend Developer with React to join a project from logistics industry.
Work Mode: remote
Start of the project: ASAP
Job Responsibilities
Develop and deliver frontend features following best practices
Analyze requirements and propose optimal technical solutions
Conduct code reviews and ensure code quality standards
Collaborate closely with UX/UI, QA, backend, and DevOps teams
Contribute to project documentation
Drive improvements and engineering best practices within the team
Maintain and support the application, resolving issues as they arise
Implement and maintain automated tests
Ensure performance, responsiveness, and cross-browser compatibility
Expectations
4+ years of experience in React frontend development (mid–senior level)
Strong experience with REST APIs and state management
Experience with design systems (components, theming, accessibility/ARIA)
Hands-on experience with CI/CD and cloud-based frontend deployments
Experience with automated and E2E testing
Solid understanding of performance optimization and responsive design
Experience with monitoring tools (e.g., DataDog, Dynatrace)
English on an advanced level (min. B2)
Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors
Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle
Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres)
Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients
Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years
A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad
About 7N
Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.
Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.