Founding Product Engineer at Clera | BE, DE | Rezi

Founding Product Engineer at Clera

Founding Product Engineer

Clera · BE, DE

1 weeks ago

Founding Product Engineer

Clera · BE, DE

7 days ago
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About the Role

Founding-level engineering role at a fast-moving B2B SaaS startup building an AI-native intelligence layer for strategic procurement. You will work across the full stack, with direct ownership over features used by enterprise customers. Your output will immediately expand the product's capabilities to meet enterprise demand.

Responsibilities

  • Prototype and ship full-stack features end to end, from UX through backend logic to prompt design.
  • Design and integrate LLM agent workflows that make sophisticated AI pipelines feel invisible and intuitive to end users.
  • Translate direct customer feedback and real-world usage signals into iterated product experiences.
  • Reason about system architecture and make pragmatic decisions across frontend, backend, and LLM integration layers.
  • Use AI coding tools fluently to accelerate development cycles while maintaining production-grade quality.
  • Work in person with the team in Berlin, contributing to a high-trust, high-velocity environment.

Requirements

  • Strong fullstack TypeScript skills, with the ability to own features across UI, APIs, and data layers.
  • Demonstrated ability to work with LLMs: prompting, tuning, and integrating them into real products.
  • Solid product instincts and creative drive for what makes an AI-powered user experience actually work.
  • Python experience is a plus alongside TypeScript.
  • Clear evidence of exceptional ability or strong trajectory: shipped products, rapid career progression, notable open-source contributions, or hackathon wins.
  • High agency and entrepreneurial drive with a track record of shipping in a startup or similarly fast-paced environment.
  • Comfortable navigating ambiguity, prototyping quickly, and iterating on customer feedback without a fixed playbook.
  • Berlin-based and willing to work hybrid or in person with the team.

Skills

  • Fullstack TypeScript
  • LLM prompting
  • LLM tuning
  • LLM integration
  • AI coding tools
  • Python

Location

  • Berlin, Germany

Work Type

  • Hybrid
  • In-person

Experience Level

  • Founding-level

Salary/Compensations

  • 90,000 to 140,000 EUR annually

About the Company

  • Fast-moving B2B SaaS startup building an AI-native intelligence layer for strategic procurement.