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Sr. Backend Engineer

Company: Aplazo

Location: distrito federal, London

Posted: May 23, 2026

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Position Details

About The Role

We’re looking for a Senior Backend Engineer to independently own features and deliver high-quality backend systems. You’ll take projects from spec to production, write code that others want to work with, and help mentor newer engineers. At this level, you’re a reliable, autonomous contributor—you can scope and ship features end-to-end with minimal guidance and proactively unblock yourself and others.

What You’ll Do
  • Own features end-to-end — scope, design, build, test, and ship features independently
  • Write quality code — deliver clean, testable, well-documented code with strong testing discipline
  • Unblock the team — proactively help teammates debug issues and remove blockers
  • Handle on-call — confidently respond to incidents using observability tools
  • Mentor newer engineers — support E1s through pairing, onboarding, and code review
  • Leverage AI daily — use AI tools to accelerate coding,...