Full-time

Senior Backend Engineer (f/m/d)

Posted by Perspective • españa, españa, Spain

📍 españa, españa 🕒 February 23, 2026

About the Role

As Senior Backend Engineer in our teams, you’ll shape the core of our product. You’ll own backend features end-to-end – from building and scaling integrations (Facebook, Google, Zapier) to fine-tuning performance and reliability with Node.js, MongoDB and Redis. Help users connect their funnels to CRMs, analytics tools and more – making their workflows seamless. Work autonomously, collaborate closely and ship features with real customer feedback, not guesswork.

What you'll be doing
  • Develop and improve features with a focus on security, performance and testing
  • Own core parts of the software and drive concepts from idea to execution
  • Collaborate across teams to solve real business challenges and build impactful solutions
  • Ensure service health through monitoring, logging, alerting, and infrastructure reliability
  • Continuously refine systems through documentation, scaling practices, and database optimization
  • Proactivel...

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