Senior Backend Engineer – Python at BeatSquares
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

16 Nov, 26

Salary

0.0

Posted On

18 Aug, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Industry

Information Technology & Services

Description

Your profile

Technical Expertise:

  • 5+ years of professional Python development, with significant experience designing and operating production backend systems
  • Deep knowledge of async frameworks (FastAPI or equivalent) and RESTful API design
  • Strong data modeling skills—MongoDB or other document/NoSQL databases at scale
  • Solid understanding of distributed systems patterns: queues, event-driven architectures, idempotency, graceful degradation

AI & Platform:

  • Hands-on experience integrating and orchestrating LLM APIs (OpenAI, Anthropic, or similar) in production
  • Familiarity with LangSmith, LangChain, or comparable orchestration/observability tooling
  • Ability to reason about prompt engineering trade-offs, token economics, and model selection
  • Up to date and clear on pros and cons of agent-assisted software developement

DevOps & Infrastructure:

  • Production AWS experience (ECS, Lambda, S3, SQS, or similar services)
  • Docker, CI/CD pipelines (GitHub Actions), infrastructure-as-code
  • Hands-on with monitoring, logging, and alerting—you've been on-call and know what matters when things break

How You Work:

  • You think in systems, not just features—anticipating failure modes and scaling bottlenecks before they hit
  • You make pragmatic trade-offs between moving fast and building for durability
  • You communicate technical decisions clearly, both in writing and in conversation
  • You've operated in environments where you had to define process, not just follow it
  • You love to deploy as often as you can and to test in production
  • Experience in early-stage or high-growth startups is a strong plus. You excel at taking ownership, handling ambiguity, and understand that sometimes you have to throw away your own code.
Responsibilities
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