Senior Backend Engineer (m/f/d) at A11
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

07 Dec, 26

Salary

0.0

Posted On

08 Sep, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Industry

Information Technology & Services

Description

In This Role, You’ll


  • Take ownership of complex backend systems from design through production — including architecture, implementation, and long-term maintenance
  • Lead technical discussions, drive engineering decisions, and document trade-offs clearly for the team
  • Mentor junior and mid-level engineers through code reviews, pairing sessions, and structured feedback
  • Identify systemic weaknesses in our infrastructure, propose improvements, and execute on them with minimal direction
  • Collaborate across engineering, product, and data to align technical direction with business goals
  • Drive improvements to observability, reliability, and performance across our backend stack
  • Contribute to hiring by participating in technical interviews and helping define the engineering bar

Your Profile


  • 7+ years of backend engineering experience, with a track record of owning critical systems in production
  • Deep expertise in Java (Spring Boot) and strong familiarity with Python; comfortable navigating a polyglot codebase
  • Proven experience designing distributed systems — event-driven architecture, microservices, data pipelines
  • Strong command of PostgreSQL and experience working with cloud-native infrastructure on AWS
  • Someone who has been through hypergrowth or scale challenges and has the scars and instincts to show for it
  • A multiplier: you make the engineers around you better through your presence, feedback, and technical clarity
  • Comfortable operating in ambiguity — you can shape requirements, not just execute on them


Responsibilities
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