About the Role

This is a senior engineering role at a bootstrapped AI platform studio focused on bringing AI tools to the SME sector. You'll join a small, product-focused engineering team building secure, scalable infrastructure and intuitive UX for a platform already used across hundreds of companies — with ambitious growth targets ahead.

What You'll Do

Own complex architectural challenges including multi-terabyte data synchronisation and secure sandbox infrastructure.
Architect, build, and ship high-quality full-stack features using React and TypeScript with a focus on long-term scalability and UX.
Design and implement systems to synchronise and index large volumes of client data while enforcing permissions.
Build infrastructure to process millions of LLM calls per month with high reliability and security.
Implement scalable, secure code sandbox solutions capable of spawning thousands of sandboxes per day.
Create base infrastructure and tooling for fast custom integrations, enabling new systems to be connected in hours.
Collaborate on technical roadmaps and align on architectural decisions with the broader development team.
Debug production incidents, identify root causes, and implement durable fixes to maintain platform stability.
Mentor junior engineers and raise the bar through constructive, thorough code reviews.
Continuously improve development processes, code quality standards, and team performance.

What We're Looking For

7+ years of professional software engineering experience with React, TypeScript, PostgreSQL, and the surrounding ecosystem (Docker, CI/CD).
Proven track record designing, scaling, and maintaining complex software architectures for high-growth products.
Hands-on experience with tRPC or an equivalent type-safe API communication framework, Kubernetes, and modern frontend tooling.
Experience with relational data modelling and query performance optimisation in PostgreSQL.
Experience operating at scale: synchronising large datasets, handling high volumes of LLM/API calls, and building secure multi-tenant systems.
Experience designing and implementing secure, multi-tenant sandbox environments.
Strong sense of product ownership with genuine attention to user experience and long-term product success.
A passion for mentoring engineers and actively shaping engineering standards and processes.
Comfortable learning quickly and thriving in a fast-paced, high-growth environment.

Compensation & Benefits

Salary range: €70,000 – €90,000 per year . Visa sponsorship is not available for this role.

Location

Hybrid role based in Munich, Germany . On-site presence is expected.

Senior Full Stack Engineer

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