Senior Full Stack Developer (Backend Oriented) — Commerce Services (Platform)

Senior Full Stack Developer (Backend Oriented) — Commerce Services (Platform) Aplicar We work with one of Northern Europe's leading streaming platforms — a company that combines original content with premium live sports rights (Formula 1, Champions League, Premier League, NHL and more. Listed on Nasdaq Stockholm, the tech team spans Stockholm and Barcelona, working as true equals. The team The Commerce Services team builds and maintains the cross-cutting platform services that power everything else: login, account creation, transactional emails, eligibility rules (who can buy what, based on country and subscription type), and the full commercial journey from first visit to active subscriber. If the platform works as a whole, it's largely because of this team. They collaborate closely across engineering squads, run bi-weekly backend guild sessions, and make architectural decisions that impact the entire organisation. What you'll be doing • Designing and maintaining core platform services in Node.js and TypeScript • Managing infrastructure autonomously on AWS — Lambdas, DynamoDB, SQS/SNS, event-driven architecture • Using Python for infrastructure scripting and AWS configuration • Contributing to architecture decisions and defending your technical reasoning with peers • Mentoring teammates and participating in bi-weekly backend guild sessions • Collaborating proactively across squads to unblock dependencies and drive alignment • Contributing to frontend (React) when the context requires full-stack involvement What we're looking for • Strong Node.js and TypeScript — you're comfortable owning complex platform services • Real architectural mindset: you think in systems, not just features • Hands-on experience with AWS (Lambdas, DynamoDB, SQS/SNS) and event-driven design • Ability to manage your own infrastructure — no DevOps team to hand off to • Python for infrastructure and cloud configuration • Rigorous testing culture: unit, integration, E2E • Fluent English — you'll be syncing with Stockholm regularly Nice to have • Background in platform, enablement, or infrastructure teams • Experience with high-traffic or transactional systems • Track record of building trust across engineering teams, not just within your own squad The offer Contract: Permanent Location: Barcelona — hybrid (min. 2 days/week in office; Tuesdays are the team's anchor day) Benefits: Private health insurance · Pension plan · Flexible remuneration Holidays: 30 paid days per year Hack Days: One full week/year to experiment freely — many projects make it to production Perk: Free access to the full streaming platform: live sports, original content, linear channels Departamento Backend Puesto Node Ubicaciones Barcelona Estado remoto Híbrido Tipo de empleo Tiempo completo Acerca de Q-Tech En Q-tech , vivimos y respiramos tecnología. Somos ese equipo que conecta a las mejores mentes del mundo IT con empresas que están listas para comerse el mercado. Llevamos años cazando talento tech, y nos gusta hacerlo de la manera más artesanal posible; nos gusta el trato cercano, real y auténtico. Amamos lo que hacemos y creemos que el talento no se busca, ¡se atrae! 🚀 Nos movemos como pez en el agua en la comunidad IT, siempre al tanto de lo último en tecnología, startups, y los movimientos del sector. Si eres un crack en lo que haces o una empresa buscando uno, ¡hablamos el mismo idioma! Fundada en 2000 Compañeros 20 Facturación 2M