Backend Engineer – AI Agents

vor 1 Woche


Berlin, Berlin, Deutschland NovaSearch GmbH Vollzeit

Onsite · Berlin HQ · Full Time

Our client is building the world's first industrial-grade AI operating system for global materials trade, and they're looking for a
Backend Engineer
to help shape the next generation of intelligent workflows, microservices, and AI-driven automation.

If you want to work where AI meets real-world impact, this role is for you.


What You Will Do

  • Design, develop, and maintain backend services that integrate advanced AI/ML capabilities.
  • Build clean, scalable, and high-performance systems powering AI-driven workflows.
  • Develop and optimise APIs that connect front-end experiences with AI logic.
  • Collaborate closely with frontend engineers to bridge user-facing and backend intelligence.
  • Improve distributed systems, data pipelines, and event-driven architectures.
  • Work hands-on with LLM APIs (OpenAI, Anthropic, Gemini) to create intelligent automations.
  • Participate in code reviews, architecture discussions, and knowledge-sharing.
  • Stay ahead of emerging AI trends and backend best practices.


Who You Are

  • 3–5 years of experience as a backend or full-stack engineer.
  • Solid Java skills (Spring Boot) plus familiarity with Python for AI or data workflows.
  • Strong understanding of relational databases (Postgres or BigQuery).
  • Comfortable with AWS and modern CI/CD (GitHub Actions).
  • Familiar with distributed systems, event-driven architecture, microservices.
  • Bonus: experience building AI-enabled products (OpenAI API, fine-tuning, prompt engineering).
  • Strong communicator who thrives in cross-functional collaboration.


Tech Stack You'll Work With

Python · LangGraph · LLM APIs (OpenAI, Anthropic, Gemini) · AWS · GitHub Actions · · Java 25 (Spring Boot 3) · Postgres · Kinesis · Terraform · TypeScript · · React

Cultural Fit

Our client values leaders who thrive in fast-moving, evolving environments; combine hands-on ownership with scalable thinking; and consistently ask,
"Are we building what matters?"


Location & Team

  • Berlin (HQ)
  • 5 days/week onsite
    — deeply collaborative, fast-moving culture
  • Join a highly ambitious AI-native engineering team

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