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Hi, we’re Back Market. We’re here to help make tech reliable, affordable, and better than new. We're a general marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.
Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, with every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.
Are you ready to join us?
About The Role
As an experienced Frontend Engineer on our Payin team, you will be at the heart of Back Market's payment ecosystem. You'll craft secure, seamless payment experiences that enable millions of customers worldwide to purchase refurbished devices with confidence.
The Payin team owns the complete payment journey — from checkout optimization to fraud prevention, from new payment method integrations to PCI DSS compliance. We're tackling challenges like implementing one-click payments, launching new payment methods across different markets, and building next-generation payment forms that guide users effortlessly through their purchase.
What You'll Work On
Payment Experience Innovation
- Build and optimize payment forms that improve conversion rates across web and mobile
- Integrate new payment methods like Klarna, PayPal, and Open Banking solutions
- Develop one-click payment features for returning customers
- Create responsive payment flows that work seamlessly across devices
Security & Compliance
- Implement PCI DSS compliant payment interfaces
- Build isolated payment applications to reduce security scope
- Develop secure tokenization and fraud prevention features
- Create automated systems for chargeback management
Technical Excellence
- Contribute to our design system and component library
- Build comprehensive testing suites (unit, integration, e2e)
- Implement monitoring and alerting for payment systems
- Optimize performance for high-traffic payment flows
Technical Environment
Our platform runs on Vue.js/Nuxt with TypeScript, served through Node.js and Cloudflare. We deploy multiple times daily using CircleCI, with comprehensive testing via Vitest and Playwright. Our payment systems integrate with Adyen, Signifyd, and various payment providers across global markets.
Tech Stack: Vue.js, Nuxt, TypeScript, Node.js, Docker, Kubernetes, AWS, Tailwind CSS, Vitest, Playwright, Datadog
Technical Skills
What We're Looking For
- Strong experience with Vue.js, React, or Angular
- Deep knowledge of JavaScript, TypeScript, HTML5, and CSS
- Experience with server-side rendering (Nuxt/Next.js)
- Understanding of payment systems and security best practices
- Familiarity with testing frameworks and methodologies
Mindset & Approach
- Code quality is your priority — you follow best practices religiously
- Testing isn't optional (Clean Code, TDD, BDD principles)
- You're curious, proactive, and take ownership of your work
- Comfortable working both independently and collaboratively
- You can anticipate how interfaces need to evolve with business strategy
Bonus Points
- Experience with payment integrations and PCI DSS compliance
- Understanding of backend constraints and API design
- Experience with monitoring tools and performance optimization
- Knowledge of accessibility standards
- Familiarity with fraud prevention systems
Recruitment Process
- First discussion with Yann, our Tech Talent Advisor - 45 min
- Technical screening with two Frontend engineers - 45 min
- Feature kickoff exercise with two Frontend Engineers - 60 min
- Tech leadership discussion with BoT team members - 45 min
- Team fit with your future manager - 30 min
- Back Market values interview with C-level - 45 min
Why Should You Join Us ?
At Back Market, we’re committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives — it’s one of the reasons we’re such a high-scoring certified B Corp company (93.2).
Benefits
No matter your role and seniority level, you’ll enjoy impact-driven work with hands-on career development in an innovative, driven, and fast-paced environment — with benefits to match, like:
- A mission-driven work environment where your day-to-day makes an impact on the planet. Seriously.
- Hybrid work environment, with 2 remote days a week and 1 remote work week per quarter, plus 3 flex days.
- Employee Resource Groups, including mentorship programs, comprehensive accessibility policies, and cultural competency training.
At Back Market, we strive to create a workplace that embodies the world we’re trying to change. We’ve embedded our diversity, equity, and inclusion principles into our DNA — from dedicated staff to employee resource groups to our company values.
We know that the perfect background for a role doesn’t mean the perfect fit — we encourage you to apply for a role even if you think you may not have all the qualifications.
If reasonable accommodations are needed for the interview process, please do not hesitate to discuss this with the Talent Acquisition Team.
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📌 Experienced Frontend Engineer - PayIn
🏢 Back Market
📍 Barcelona