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Senior/Lead Full Stack Engineer

Jack & Jill

On-site Full-time Senior €80k – €120k/yr 3w ago

About the role

Company Description

Tier-1 backed AI agent startup for industrial engineering

Job Description

You will lead engineering for a high-growth startup building agentic requirements software for complex manufacturing like aerospace and semiconductors. After bootstrapping to €500k+ ARR, the team raised from Atlantic Foodlabs and Cohere-affiliated angels. You will own architecture and delivery for their newest project, shipping high-impact Go and React code.

Location

Munich, Germany

Why this role is remarkable

  • Join a founding-caliber team where over half the members are former founders with backgrounds from Stanford, Google, and YC-backed startups.
  • Massive equity stake (1-2%) in a company tackling a multi-billion dollar market by bringing PhD-level AI capabilities to physical engineering workflows.
  • Extreme autonomy and speed: skip the corporate red tape and ship production features daily with a small, elite team of high-performers.

What You Will Do

  • Lead technical execution and architecture for the company's newest product vertical, owning the roadmap from concept to deployment.
  • Develop and ship robust production code across a Go backend and React/TypeScript frontend to solve complex AI integration challenges.
  • Collaborate directly with the C-suite and customer success to translate manufacturing requirements into scalable, agentic software solutions.

The ideal candidate

  • At least 7+ years of experience shipping production-grade software across the full stack with a focus on ownership and end-to-end delivery.
  • Deep proficiency in a statically-typed language (ideally Go, but Rust, Java, or C# are accepted) and modern frontend frameworks like React.
  • Proven leadership experience or the ability to mentor engineers and make critical architectural decisions while remaining hands-on in the codebase.

Skills

GoReactRustTypeScriptJavaC#

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