Experienced Software Engineer - Seller Care

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 - Barcelon