Tech Lead (Frontend)

*This is a hybrid role which requires 3 days on-site attendance in Barcelona*

Who we’re looking for

We’re on a mission to create extraordinary experiences for our customers, and we believe that your unique skills, passion and superdrive will help us achieve our vision.

As a Tech Lead – Frontend (React / Next.js), you’ll be guiding and supporting our frontend engineering team to deliver modern, high-performance web applications. Your leadership will help us shape technical direction, elevate engineering standards, and drive innovation to stay ahead of the game.

What you’ll be doing

As part of your role, your responsibilities will include:

• Leading the technical design, architecture, and implementation of frontend features using React, Next.js, and modern JavaScript/TypeScript
• Collaborating closely with product managers, designers, and backend engineers to define and deliver high-quality user experiences
• Ensuring adherence to best coding practices (e.g., SOLID principles, clean code, maintainable architecture)
• Performing code reviews, providing constructive feedback, and mentoring engineers to support their growth
• Driving continuous improvements in development processes, testing, and deployment
• Taking ownership of performance, scalability, and technical quality of the frontend codebase
• Evaluating and introducing new technologies, tools, and patterns to the team
• Working hands-on with the codebase, especially on complex or high-impact features

This job description is not intended to be an exhaustive list of responsibilities. You may be required to complete other reasonable duties in order to achieve business objectives.

Essential skills you’ll bring to the table:

• Strong verbal and written communication skills in English, with the ability to convey complex ideas clearly and effectively
• Experience working collaboratively in cross-functional teams, with a focus on achieving shared goals
• Expertise in managing multiple projects simultaneously, with a track record of delivering on time and within scope
• Exceptional attention to detail, ensuring high standards of quality in all outputs
• Ability to adapt quickly to changing environments and priorities, maintaining effectiveness in dynamic situations
• Deep expertise in React, Next.js, and frontend architecture
• Strong understanding of software design principles and architectural patterns
• Proven ability to guide a team and coordinate work across multiple engineers

Desirable skills you’ve got up your sleeve:

• Experience with frontend testing frameworks such as Jest, React Testing Library, or Cypress
• Familiarity with Cloudflare (e.g., Workers, Pages, CDN services)
• Deep knowledge of performance optimization for modern web applications
• Experience working with design systems or component libraries (e.g., Storybook, Tailwind CSS)
• Hands-on experience with CI/CD pipelines for frontend apps (e.g., GitHub Actions, Azure DevOps)
• Previous experience in fast-paced startup or scale-up environments

Our values are non-negotiables

Our culture is underpinned by core values that are linked to key behavioural competencies. Along with the below behavioural competencies, these are essential for all employees in order for you to embed in and drive our culture forward.

These competencies are:

• Adaptability
• Ownership and accountability
• Initiating action
• Resilience
• Team orientation
• Integrity
• Innovation

Let me know if you'd like help formatting this for a careers page or internal portal.

This position requires trust and honesty it has access to customers financial details - therefore a credit and criminal record check will be conducted. The qualifications identified herein are an inherent job requirement; therefore, a qualification verification check will be done. By applying for this role, and supplying the necessary details, you hereby grant us permission to apply for these checks. This will be done in a confidential manner, and solely for the purposes of verification.

Should you not hear from us within 2 weeks, please deem your application as unsuccessful.