Senior Backend Engineer Node.js (M/F/d) (Madrid)

Sosafe · madrid, comunidad de madrid, Spain

Location
madrid
Job Type
Full-time
Posted
July 06, 2026

Job Description

Responsibilities

  • Design and implement complex backend systems using Node.js, TypeScript and AWS
  • Create and implement architecture solutions in cooperation with the rest of the team (incl. DB architecture)
  • Build, test and improve the existing services, APIs and queries
  • Monitor the existing apps and create new dashboards and alerting in Sumo Logic
  • Coach developers with less experience
  • Live and breathe our core values: Open-Mindedness, ownership, ambition and focus
  • Work closely with the platform and the frontend team to ensure seamless integrations

Profile

  • Minimum 5 years of development using modern Backend technology (including at least 3 years of Node + Typescript)
  • Experience with relational databases, best Aurora PostgreSQL
  • Solid understanding of RESTful API design and microservices architecture
  • Familiarity with AWS
  • You know how to use monitoring too...

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