Why this role matters

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.

Tasks

What you’ll be doing

Your work will directly shape the way thousands of users experience JOIN. Here’s what that looks like:
- 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.

Who you’ll work with

We collaborate closely with Product and Design teams to ensure our interfaces are intuitive, secure, and consistent. The guild maintains a robust, Figma-synced Design System, code generators, and coding conventions to streamline development and maximise focus on business value.

Stability and performance are at the heart of what we do — we write end-to-end tests for all scenarios, optimise performance continuously, and ensure every user interaction feels effortless.

Requirements:
What we’re looking for

✔ 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).

📌 Senior Frontend Engineer (Barcelona)
🏢 join
📍 Barcelona