Senior Frontend Developer (React)

Nexer Czech Republic is a division within DANIR AB – an IT consulting and R&D company. We have the opportunity to work with world‑renowned brands from Scandinavia, the USA, the UK, and Western Europe. Our goal is to grow strong but rather in competencies than in numbers. If you like what we do, see our offer — maybe it is you we will have the pleasure to meet! :) About the Role We are looking for a Senior Frontend Developer (React) to join an international engineering team working on modern, scalable web applications. In this role, you will develop high‑quality frontend solutions using React, TypeScript, and state‑of‑the‑art tooling, while collaborating closely with cross‑functional peers across Europe. You will help shape user‑facing features, ensure code quality, and contribute to a clean and maintainable architecture. What You Will Do Build modern web applications using React , JavaScript , and TypeScript Work with state management and data‑fetching tools such as Redux and TanStack Query Develop, maintain, and consume REST APIs Implement unit, integration, and end‑to‑end tests using tools like React Testing Library, Playwright, or Selenium Collaborate with backend teams working in microservices (Kotlin + Spring) Work with Git following clean coding best practices Participate in architecture discussions and contribute to technical decisions Use AI tools responsibly to improve development efficiency Cooperate with developers, designers, and product teams in an international environment Ensure high‑quality documentation, clean code, and technical consistency across the project Who You Are At least 5 years of experience as a Frontend Developer Excellent knowledge of React , JavaScript , and TypeScript Strong experience with Redux and TanStack Query Skilled in writing automated tests (unit, integration, e2e) using React Testing Library , Playwright , or Selenium Strong understanding of REST APIs and Git workflows Some exposure to microservices using Kotlin and Spring Knowledge of responsible and effective usage of AI models Passion for writing clean, maintainable, easy‑to‑understand code A proactive team player with strong communication skills Fluent in English (C1), spoken and written Located in Czechia, Slovakia or Hungary Assignment Details Workload: Full time Location: Czechia, Slovakia, Hungary (remote) Contract type: B2B Client: A global Scandidavian automotive company Why Nexer At Nexer, competence and curiosity come first. We collaborate with leading global brands and offer meaningful, transformative projects where your expertise truly matters. You’ll join a culture that encourages innovation, ownership, and continuous professional growth. Apply If this sounds like your next challenge, we would be delighted to meet you. Apply today — your promising future might start here.