Backend Engineer at Mentor Talent Acquisition
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

27 Nov, 26

Salary

0.0

Posted On

29 Aug, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Industry

Information Technology & Services

Description

Responsibilities


Backend Engineering

  • Design, build and maintain scalable backend services using Python.
  • Develop new product features and reusable backend architectures.
  • Build reliable APIs, integrations and business logic.
  • Improve system performance, reliability, security and maintainability.
  • Identify technical bottlenecks and continuously improve the platform.
  • Participate in architecture discussions and technical decision-making.
  • Expose existing system capabilities through clear, secure and well-structured interfaces.


AI Product & Agent Engineering

  • Build production-ready product features powered by large language models.
  • Integrate LLMs into existing products, workflows, backend services and data systems.
  • Expose complex business logic and system capabilities to AI models through structured APIs, tools and agent interfaces.
  • Design reliable AI workflows using tool calling, structured outputs, retrieval and multi-step agent processes.
  • Contribute to prompt design, context management and model selection.


Cross-functional Collaboration

  • Collaborate closely with Product, Frontend and other engineers.
  • Translate product requirements into robust technical solutions.
  • Write clean, maintainable, well-tested and well-documented code.
  • Share knowledge across teams and continuously improve engineering standards.
  • Take ownership from problem definition through implementation and production operation.


Skills

Core Skills

  • Strong Python programming skills.
  • Experience building and operating production software.
  • Good understanding of object-oriented programming and software design principles.
  • Solid SQL knowledge.
  • Experience with AWS.
  • Experience designing or consuming REST APIs.
  • Experience with Git and CI/CD.
  • Strong analytical and problem-solving skills.
  • Ability to work independently and take ownership.


Nice to Have

  • Experience with ETL or ELT pipelines.
  • Experience with dimensional data modelling or Medallion Architecture.
  • Experience with Docker and Kubernetes.
  • Familiarity with GraphQL or Terraform / Infrastructure as Code.
  • Experience with ClickHouse, Redshift or other analytical databases.
  • Experience building LLM-backed product features, RAG, embeddings or agent frameworks (e.g. MCP).


Responsibilities
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