Senior AI Engineer — Build Core AI Systems, Equity & Growth

Join; Lavamünd; Hybrid; EUR 90.000 - 150.000; Vollzeit

Benefits dieser Stelle

Equity package

Above-market pay

Zusammenfassung

Join is building our core AI capabilities for tax and accounting in Munich, aiming to scale to millions of users with AI. As the first AI Engineer, you’ll own greenfield work, from concept to production, and shape the intelligence behind our AI stack for automated TaxOps and intelligent agents.

You’ll work with experienced entrepreneurs and tax experts to drive rapid, measurable impact. This early team offers above-market pay plus meaningful equity, with a path to leadership as we expand across

Qualifikationen

• 5+ years of software engineering experience with a recent focus on applied generative AI.
• A bachelor’s or master’s degree in computer science or a related field.
• Deep hands-on experience with LLM APIs (OpenAI, Anthropic, Gemini), agentic frameworks, and building robust RAG pipelines.
• Strong programming skills in Python and curiosity to learn across the stack.
• Solid understanding of vector databases (e.g., pgvector, Pinecone) and comfort with cloud basics (AWS/GCP, Docker).
• Very good written and verbal communication skills in English and German (min. C1).
• You have a valid work permit to work in Germany.

Aufgaben

• Take major AI features and intelligent agents end-to-end from concept to ship to measure.
• Implement robust LLM integrations, RAG pipelines, data models, and prompt management systems; make pragmatic architecture choices with high autonomy.
• Ship AI features quickly and iterate based on real user feedback from our internal operations team.
• Mentor junior engineers and gain leadership experience as the team grows.

Kenntnisse

5+ years of software engineering

Strong Python

English and German (C1)

Ausbildung

Bachelor's or Master's in Computer Science

Tools

TypeScript

Next.js

React

PostgreSQL

LLM APIs

LangChain

Vercel AI SDK

Vector DBs

pgvector

Pinecone

AWS/GCP

Docker

Jobbeschreibung

Join is building our core AI capabilities for tax and accounting in Munich, aiming to scale to millions of users with AI. As the first AI Engineer, you’ll own greenfield work, from concept to production, and shape the intelligence behind our AI stack for automated TaxOps and intelligent agents.

You’ll work with experienced entrepreneurs and tax experts to drive rapid, measurable impact. This early team offers above-market pay plus meaningful equity, with a path to leadership as we expand across