Staff Frontend Engineers (React / Next.js)

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We’re looking for an experienced Front End Architect / Staff engineer to guide and support our frontend team as we build modern, high-performance web applications. You’ll play a pivotal role in shaping the technical direction, mentoring engineers, and ensuring the delivery of scalable, maintainable, and performant software.

What you'll do:

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- Collaborate closely with product managers, designers, and backend engineers to define and deliver high-quality user experiences.

- Ensure adherence to best coding practices (e.g., SOLID principles, clean code, maintainable architecture).

- Perform code reviews, provide constructive feedback, and mentor engineers to support their growth.

- Drive continuous improvements in development processes, testing, and deployment.

- Take ownership of performance, scalability, and technical quality of the frontend codebase.

- Help evaluate and introduce new technologies, tools, and patterns to the team.

- Work hands-on with the codebase, especially on complex or high-impact features.

What we're looking for:

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- Bachelor’s or master’s degree in Computer Science, Software Engineering, or a related field.

- 7+ years of experience in software development, with at least 2 years in a technical leadership or mentorship role.

- Deep expertise in React , Next.js , and frontend architecture.

- Strong understanding of software design principles and architectural patterns.

- Excellent problem-solving and debugging skills.

- Proven ability to guide a team and coordinate work across multiple engineers.

- Strong communication and collaboration skills in English (both written and verbal).

- Enthusiastic about creating a culture of learning, feedback, and continuous improvement.

- 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). xqbhyrx

- Previous experience in fast-paced startup or scale-up environments.

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📌 Staff Frontend Developer (Barcelona)
🏢 Betway Global
📍 Barcelona