Frontend Engineer Intern - Remote Eligible

Back Market Frontend Engineer Intern

We're here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.

Are you ready to join us?

As a Frontend Engineer Intern, you will collaborate with a cross-functional team to develop and maintain our platform, delivering value to customers and suppliers. You'll gain hands-on experience building new features, solving technical challenges, and contributing to the performance of a global e-commerce platform.

Your Mission (If You Accept It):

• Write clean, maintainable, and efficient code that fits with the context, the needs and the existing codebase.

• Participate in code reviews and contribute to the improvement of our codebase.

• Work closely with UX/UI designers to ensure the technical feasibility of designs.

• Communicate effectively with team members to understand requirements and provide technical insights.

• Take initiative to learn new skills and tools that can enhance your contributions to the team.

• We anticipate that you will be a dedicated team player, eager to engage in pair-programming sessions, while also being an independent and proactive team member who persists when encountering new challenges.

• Quality assurance support: Assist in quality assurance tasks to ensure our platform meets the highest standards of performance and reliability.

• Collaborative deployment: Work alongside a senior developer to push code to production, gaining hands-on experience with our deployment processes.

• Admin tools: Contribute to the development and enhancement of internal admin tools used for creating insurance offers and mobile plans, supporting our staff in delivering exceptional services.

• End-to-end testing: Develop and maintain end-to-end tests to ensure the seamless functionality and integration of new features across our platform.

You Are In The Right Place If:

• You are a master's degree student studying computer science, priority to Web Development, specifically Frontend engineering

• You have knowledge of JavaScript, HTML, CSS, and ideally frameworks like Vue.js or React.

• You have basic programming experience (github, personal, student projects, other internships).

• You have knowledge of developing new features using Nuxt/Vue.js, TypeScript, and Design Systems.

• You have the ability to learn new software and technologies quickly, being curious about the coding environment you'll evolve in.

• You are detail-oriented and have the desire and ability to work in a team in an international environment.

• You are fluent in English - Spanish and/or French is a plus.

• You are looking for a 6 month, full-time role (30-35h/week), internship based in Barcelona from January/February 2026 - June/July 2026

• Your school can provide an internship agreement & you are authorized to work in Spain (EU Nationality or in possession of valid student visa/work permit).

Recruitment Process:

• Interview with the Campus Recruitment Team member (30min).

• Technical fit interview (live-coding/Q&A) with the tutor (45-60min).

• Team fit interview with two engineers from the team (30min)