Senior Frontend Engineer

Senior Frontend Engineer - ReactJS

join.com

Location:
Spain, Barcelona

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

70000.00 - 80000.00 EUR / Year

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Job Description:

At JOIN, we believe hiring should be easy, fast, and fair - for companies and candidates alike. That’s why we’re building intuitive, powerful recruiting software that helps businesses of all sizes find the right people effortlessly. As our Frontend Engineer in Barcelona, you’ll join us at an exciting moment: the launch of our new office in Spain! You’ll play a key role in shaping the future of our product and platform, working with a modern tech stack to deliver robust, scalable features. This isn’t just another job – you’ll be part of building a new engineering hub from the ground up.

Job Responsibility:

Collaborate with Backend Engineers, Product Managers, and DevOps/Platform teams to deliver meaningful, high-quality features through our Agile SDLC/Kanban workflow
Conduct peer code reviews and participate in retrospectives to identify improvements and drive collective growth
Help define requirements, propose solutions, and contribute to achieving team goals effectively
Take part in technical discussions on testing culture, architectural decisions, automation, and coding standards
Go beyond coding - think holistically about product value and customer experience, continuously looking for ways to improve it

Requirements:

4+ years of experience as a Frontend Engineer working with modern JavaScript frameworks (React preferred)
Strong understanding of TypeScript, HTML5, and CSS3
Solid experience with state management libraries (Redux, Zustand, or similar)
Knowledge of API integration patterns and data fetching (REST, GraphQL)
Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress
Understanding of CI/CD pipelines and version control using Git
Experience working collaboratively in cross-functional Agile teams
Strong focus on performance, accessibility, and usability

Nice to have:

Experience contributing to or maintaining a Design System
Familiarity with Figma and UI collaboration workflows
Exposure to backend concepts or full-stack environments
Experience with analytics or experimentation tools (e.g. Statsig, A/B testing)

What we offer:

Apple hardware – The best tools for the job (MacBook)
Team events – Brunches, sports activities, and quarterly gatherings in Berlin
Productivity from Everywhere – 104 days per year remote (post-probation), following our hybrid policy
Competitive salary – Tailored to align with your experience level
Relocation support – Assistance with paperwork, travel, and one month of furnished accommodation

Additional Information:

Job Posted:
December 09, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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