Clera

Senior Backend Engineer

Clera
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2 days ago
Munich, GermanySenior

Responsibilities

  • Design and operate a tool gateway exposing connected APIs and MCPs through a composable Python SDK with routing, authentication, rate limits, and reliability features.
  • Run persistent, isolated Linux sandboxes for workspaces with secure, autoscaling, and cost-efficient operation.
  • Own a durable, fast multi-tenant data layer designed for failure handling and isolation.
  • Investigate integration issues and improve systems to prevent recurring problems.
  • Work with company leadership on technical decisions and ship production improvements quickly.
  • Talk with users and contribute to production work from the first week.

Requirements

  • At least three years of professional engineering experience building and operating backend systems in production.
  • Strong distributed systems experience, including designing for scale, reliability, and failure.
  • Experience with containers, Linux internals, sandboxing, and safely running untrusted code.
  • Fluency in Python and experience building Python services; familiarity with Modal is valuable.
  • Hands-on experience with OAuth, webhooks, rate limits, and third-party API integrations.
  • Experience designing and building multi-tenant systems with attention to durability, cost, and failure isolation.
  • Background in infrastructure, platform, developer tools, or code execution systems.

Benefits

  • Visa sponsorship is not available.
  • On-site role in Munich, Germany or Warsaw, Poland; Munich is the primary location.

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