A-Tech is supporting an AI start-up with more than 140m€ in funding (series A). The company is on a mission to reimagine enterprise software from the ground up. It is building the next-generation ERP platform, tailored for the AI era, and is looking for a Principal Software Engineer to help lead the charge.

What You’ll Do:

• Build features end-to-end across modern front- and back-end codebases.
• Apply cutting-edge AI and LLM technologies to develop intelligent, user-friendly tools.
• Rapidly prototype and iterate on features based on usage data and customer feedback.
• Work in a fast-paced, product-driven team with big technical ambitions.
• Contribute across the stack using technologies like TypeScript, Python, Java, Rust, and more.

Your Background:

• A Degree in Computer Science or similar
• Strong software engineering background, ideally in building scalable systems from the ground up.
• Experience with TypeScript,​ JavaScript (React),​ Java,​ or Python (Rust is a plus)
• Experience with (or passion for) applying LLMs and AI in real-world applications.
• Product-minded: you care about the user and business impact of what you build.
• Comfortable in fast-moving, early-stage environments
• Fluent level of English and German

Why Join?:

• Help define and build a category-defining product.
• Join a small, elite team at the ground floor of a high-growth opportunity.
• Flexible work model (3 days per week) and modern engineering culture.
• Competitive compensation with meaningful equity. (100-120k€)