Senior Frontend Developer

Koda Staff; Gent; Sur place; EUR 50 000 - 75 000; Plein temps

Résumé du poste

Koda Staff in Gent, Belgium is looking for a Frontend Engineer to design and build user-focused web and cross-platform solutions. The ideal candidate will possess strong React skills and a deep understanding of user experience.

Responsibilities include creating scalable, maintainable interfaces and collaborating closely with Product Managers, Designers, and Engineers. Key qualifications include advanced experience with React, Redux Toolkit, and testing frameworks like Jest.

Qualifications

• Experience with large/shared codebases is a plus.
• Hands-on experience with asynchronous flows and side effects is desirable.
• Familiarity with AI-assisted development tools is a benefit.

Responsabilités

• Build, maintain, and evolve customer-facing web and cross-platform interfaces.
• Translate product goals into intuitive, accessible user experiences.
• Ensure performance, quality, and scalability of solutions.

Connaissances

Advanced React (hooks, composition, architecture)

CSS-in-JS, theming, and design tokens

Redux Toolkit and RTK Query

Jest or Vitest with React Testing Library

CI pipelines and automated quality gates

Writing resilient, maintainable tests

Description du poste

As a Frontend Engineer, your mission is to design, build, and evolve solutions that solve real customer problems and support business outcomes.

Responsibilities:

• Build, maintain, and evolve customer-facing web and cross-platform interfaces
• Translate product goals into intuitive, accessible user experiences
• Ensure solutions are maintainable and scalable
• Ensure solutions are performant and secure
• Ensure solutions are tested and observable in production
• Collaborate with engineers to integrate APIs and data flows
• Participate in discovery, experimentation, and iteration
• Contribute to mobile-first and multi-device experiences

Engineering Quality & Craftsmanship

• Component design and reuse
• Testing and testability
• Performance, accessibility, and resilience
• Error handling and observability
• Take ownership of quality and improve it over time
• Contribute to shared standards and best practices
• Reduce technical debt through pragmatic refactoring
• Make sound technical decisions aligned with team and organisation

Work closely with:

• Product Managers (value and trade-offs)
• Designers (experience and usability)
• Engineers (end-to-end delivery)
• Participate in team rituals and feedback loops
• Share knowledge and support team learning
• Proactively unblock work and seek alignment
• Remain flexible beyond strict role boundaries
• Continuously develop technical expertise
• Stay up to date with tools and practices
• Use AI-assisted development tools responsibly to improve productivity
• Use AI-assisted development tools responsibly to accelerate learning
• Use AI-assisted development tools responsibly to engage with career progression through feedback and impact growth

Requirements:

Core Frontend Stack

• Advanced React (hooks, composition, architecture)
• CSS-in-JS, theming, and design tokens
• Experience with large/shared codebases (monorepo a plus)

State Management & Async

• Redux Toolkit and RTK Query
• Handling asynchronous flows and side effects
• RxJS / redux-observable (nice to have)

Testing & UI Documentation

• Jest or Vitest with React Testing Library
• Writing resilient, maintainable tests
• Storybook for UI development and documentation

Tooling & Ways of Working

• CI pipelines and automated quality gates
• Conventional commits and structured code reviews
• Small, high-quality commits and merge requests

Engineering Principles

• High readability and low cognitive load
• Immutability and modular design
• Strong separation of concerns
• Pragmatic performance optimisation