Frontend Developer (React)

Codekeeper; Den Haag; Híbrido; GBP 70.000 - 110.000; Jornada completa

Descripción de la vacante

Codekeeper is seeking an experienced Front End Engineer with deep React expertise to design, build, and continuously improve a high-performing web app.

You will collaborate with designers, product managers, and engineers to turn ideas into robust UI components, ensuring clean architecture and quality assurance through automated testing.

Formación

• 5+ years hands-on experience in JavaScript and core concepts.
• 5+ years hands-on experience in TypeScript.
• 5+ years experience with React and SPA.
• 3+ years of HTML5, CSS3 experience.
• 2+ years of CSS-in-JS development.
• 2+ years of Cypress, Playwright, Storybook, Chromatic or similar.
• Experience with Ant Design or TailwindCSS is a plus.
• Nice-to-have: AWS technologies and React Native.

Responsabilidades

• UI/UX Development: build new user-facing features and reusable components.
• Code Quality: ensure technical feasibility, optimize speed and scalability.
• Collaboration: work with design and backend teams, participate in code reviews.
• Tech Stack: implement with React/JS/TS, translate Figma to CSS/JS, integrate with backend.
• Maintenance & Optimization: improve existing codebases and enforce standards.
• Automated Testing: create and maintain tests with Cypress, Playwright, Storybook.

Conocimientos

JavaScript

TypeScript

React

SPA

HTML5

CSS3

GraphQL

Apollo

Cypress

Playwright

Storybook

Chromatic

TailwindCSS

AWS

React Native

Ant Design

Herramientas

Ant Design

TailwindCSS

CSS-in-JS

Descripción del empleo

Frontend Developer (React) Are you a skilled Front End Developer who loves turning ideas into elegant, high-performing web applications? Do you get energized by fast-paced environments where your code ships quickly and makes a real, visible impact? Are you the kind of engineer who cares just as much about clean architecture and thoughtful user experience as you do about hitting deadlines? Codekeeper is looking for an experienced Front End Engineer with deep React expertise to join our growing, ambitious team. In this role, you won't just be writing code - you will be helping to design, build, and continuously improve products that thousands of people rely on. You'll collaborate closely with designers, product managers, and fellow engineers who are passionate about their craft and committed to raising the bar every single day. Ready to take the next step in your career and help us build something meaningful? We'd love to hear from you.

About the Role

As part of the development team, the Front End Developer shall focus on developing user interface components for our web application and ensuring that these components are robust and easy to maintain. The current tech stack for this position requires proficiency in JavaScript/TypeScript, CSS, and React, with the potential to expand as new technologies become available to the industry. The responsibilities of this position shall require close collaboration with the Design team and the other members of the Product team. In addition to core frontend skills, expertise in Cypress, Playwright, Storybook, Chromatic, or similar visual regression tools is essential, with a strong focus on testing and quality assurance. This position is designed for someone with substantial experience in both frontend development and testing.

What You'll Be Doing

• UI/UX Development: Develop new user-facing features, build reusable components and libraries for future use.
• Code Quality: Will ensure UI/UX designs' technical feasibility, optimize applications for speed and scalability, and maintain coding standards.
• Collaboration: Will collaborate closely with design and backend teams for web application enhancement, participating in code reviews to uphold code quality.
• Tech Stack: Will address performance and scalability issues and convert complex Figma designs into CSS/JS code, primarily using JavaScript libraries like React, ensuring seamless backend integration.
• Maintenance & Optimization: Will maintain and improve existing codebases, ensuring standard adherence through peer code reviews.
• Automated Testing: Take charge of automated testing processes, including writing and maintaining test scripts using tools like Cypress, Playwright and Storybook, ensuring consistent quality and reliability.

Why Codekeeper?

Codekeeper was founded by tech industry professionals to revolutionize software escrow for the cloud era. We offer state-of-the-art disaster recovery solutions that mitigate third-party risks in business operations. As a remote-first company with a central office in The Hague, we prioritize a healthy, resilient organization to support the development of our robust app.

What You Can Expect

• Passionate and fun-loving colleagues
• Startup mindset with ample opportunities for growth
• Regular team activities and gatherings
• Comprehensive onboarding process with a dedicated ramp-up period
• A supportive team that values open communication and direct feedback
• A chance to excel in your career and make a difference

About You

• 5+ years of hands-on experience in JavaScript and core concepts
• 5+ years of hands-on experience in TypeScript
• 5+ years experience with React and Single-Page Applications (SPA)
• 3+ years of hands-on experience in HTML5, CSS3
• 3+ years of hands-on experience in GraphQL and Apollo
• 2+ years of experience with modern CSS/SCSS/Less/CSS-in-JS development
• Strong experience with visual regression tools such as Cypress, Playwright, Storybook, Chromatic, or similar
• Experience with Ant Design or TailwindCSS
• Excellent communication skills, team player, and service-oriented mindset
• Passionate about software development
• Able to take responsibility of the project
• Region: Europe - CET (+1/-1)
• Nice to Have: Experience with data visualization frameworks such as Chart.js, Google Charts, etc.
• Nice to Have: Experience with AWS technologies
• Nice to Have: React Native