Junior React / TypeScript Software Engineer

Job description

We are looking for a Junior Frontend Engineer to join the team responsible for developing TheHive. You will contribute to building modern, high-performance web interfaces using TypeScript and React.

Guided by more experienced developers, you will take part in designing and implementing new features while growing your technical skills.

Responsibilities

• Develop and maintain user interfaces for web applications.

• Contribute to our Design System initiative, built on React Aria.

• Help establish a sustainable architecture for our frontend codebase.

• Implement features from mockups or product specifications.

• Participate in code reviews and apply development best practices.

• Fix bugs and improve the quality of existing code.

• Collaborate with designers, backend developers, and product managers.

• Contribute to improving user experience and frontend performance.

• Take part in testing (unit, integration) and technical documentation.

Success criteria (6 - 12 months)

• Autonomous on standard tasks.

• Code is readable and consistent with team conventions.

• PRs are clear and well-structured.

• Strong understanding of the main user flows.

• Has delivered several features or significant improvements.

• Has resolved several identified bugs.

• Regularly uses AI tools to assist with design and development.

Requirements

Technical Skills

• Solid knowledge of TypeScript and React.

• Understanding of core Frontend development principles: component systems, web architecture, API interaction, performance, and security.

• Proficient with Git and continuous integration tools.

• Bonus if you already incorporate testing into your workflow (Vitest, React Testing Library, etc.)

• Experience with Claude Code is a plus!

Soft Skills

• Technical curiosity

• Clear communication

• Collaborative mindset

Stack & Tools

TypeScript, React, React Router, Storybook, AntD (currently migrating to an in-house framework), Orval (with React Query), react-hook-form, Git

You might feel hesitant to apply if you don’t match 100% of the requirements. This list is a guide, we encourage you to apply even if you are a partial match. We are building teams that innovate, not teams that simply tick every box