Senior Full Stack Engineer

Job details

Work model

Not provided by source

Salary

Not listed by source

Location

Munich

Occupation

Software Developers(O*NET 15-1252.00)

Job description

About the Role We are a bootstrapped AI platform and product studio based in Munich, Germany, serving a fast-growing base of SME customers. Our platform enables teams to connect data sources, build custom AI workflows, and deploy tailored AI assistants - without needing to be technical experts. We're now looking for a Senior Full Stack Engineer to help us scale our platform from its current user base toward 1 million users. You'll join a small, product-focused engineering team and take real ownership of complex architectural challenges - from multi-terabyte data synchronization to secure sandbox infrastructure and high-volume LLM processing pipelines. What You'll Do • Own the most complex architectural problems across the platform, including multi-terabyte data synchronization 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 synchronize and index terabytes of client data while enforcing fine-grained 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 within hours. • Collaborate on technical roadmaps and align on architectural decisions with the broader engineering team. • Debug production incidents, identify root causes, and implement durable fixes to keep the platform stable. • Mentor junior engineers and raise the bar through constructive, thorough code reviews. • Continuously improve development processes, code quality standards, and overall team performance. What We're Looking For Must-haves: • 7+ years of professional software engineering experience. • Strong hands-on experience with React, TypeScript, and PostgreSQL (including relational data modeling and query performance optimization). • Experience with tRPC or an equivalent type-safe API communication framework. • Proven experience designing and implementing secure, multi-tenant sandbox environments. • Experience building systems to process millions of LLM/API calls per month with high reliability and security. • Familiarity with the broader stack: Docker, Kubernetes, and modern CI/CD tooling. • Willingness to work on-site in Munich, Germany (hybrid arrangement). Nice-to-haves: • Experience scaling complex software architectures for high-growth B2B products. • A strong product ownership mindset with genuine attention to end-user experience. • A passion for mentoring engineers and shaping engineering standards and processes. • Comfort with fast-paced, high-growth environments and rapid context switching. Compensation & Benefits • Salary: €70,000 – €90,000 per year, depending on experience. • Work on a product with real user impact in the growing AI/SME space. • Small, collaborative team with significant scope for architectural influence. • Hybrid work arrangement based in Munich. Please note: Visa sponsorship is not available for this role. Candidates must already have the right to work in Germany. Location This is a hybrid role based in Munich, Germany. Regular on-site presence in Munich is required. Find Jobs in Germany on Arbeitnow

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