Experienced Software Engineer - Seller Care
Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026. Back Market scores A on the Alion truth index.
Hi, we’re Back Market.
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.
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 team
You will be joining the team that owns the systems behind seller after-sales care, including claims, repair or replacement, refunds, seller communications, and the Seller API.
As an Experienced Software Engineer , you will build and evolve these products end to end, helping automate resolution flows and move seller actions to provide the best resolution experience for our customers.
As a Software Engineer, you will work closely with all members of your squad, and the Staff engineer of your group.
Bi-monthly rituals with your group and the Chapter will allow you to share what works for your squad, learn what works for others, and make sure your technical direction is aligned with the overall vision.
What you will do in this role
We’re looking for versatile engineers who show strong ownership and are motivated to take on new challenges across the technical stack while helping us move our technology forward.
You will be working in an agile "build it and run it" environment where engineering teams build, launch, monitor and support the product that they own.
Driven by the desire to craft outstanding products, you understand how to deliver seamless user experiences at scale.
We are looking for passion in creating systems by producing clean, consistent and well-organised code.
As well as a good team player supporting colleagues and creating a learning and sharing environment!
English must be a no-brainer as you will join an international team dispatched in different locations around the world (US/FR/ES/JP).
Our technical environment
Frontend: Vue.js, TypeScript, Nuxt, Storybook, Tailwind
Backend: Python, FastAPI, Go
Data and messaging: PostgreSQL, Redis, Kafka, RabbitMQ, BigQuery
Infrastructure: GCP, Kubernetes, Docker, ArgoCD, CircleCI, GitHub, BackStage, Grafana, Open Telemetry
As an Experienced Engineer: Produce & Optimize
Works autonomously on development tasks within the team's application or service.
Delivers high-quality code on time.
Demonstrates professional collaboration with teammates and peers.
Operates autonomously within the squad's technical scope.
Backend focus Experienced :
3+ years backend development experience
Strong system design skills
Experience with microservices, distributed systems
Understanding of data architecture and APIs
Experience with performance optimization and scalability
Frontend capabilities :
Experience or knowledge with modern JavaScript frameworks
Understanding of state management, routing, API integration
Considers performance, accessibility, and UX in implementations
Fullstack mindset
End-to-end product thinking
Curiosity about the full stack
Strong collaboration and communication skills
Ability to navigate ambiguity across technical domains
Recruitment process
HR screening - (45 min)
Coding & Testing module - Backend (60 min)
System design feature (60 min)
Data module (45 min)
Tech leadership + Meet your manager ( 75 min)
BM Values (45 min)
Hybrid policy - Barcelona office
3 days / week at the office - Monday is mandatory
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).
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.