Senior Full-Stack EngineerMunich (Hybrid)AI GTM Platform Startup€80–100k base + equityEnglish-speaking teamBuild the System Powering AI-Native Sales.A fast-growing AI startup in Munich is hiring a senior full-stack engineer to scale its core platform and build the next generation of AI-driven products.The product is live and generating strong revenue with enterprise customers.A second product line (AI voice agent) is in active development and already in customer hands.The team is small, highly technical, and operating at high velocity.This is a high-ownership role with real impact.What You’ll DoBuild and scale core product features across frontend, backend, and infrastructureWork across both the existing product and new AI agent systemTake features from idea → production with speed and pragmatismContribute to architectural decisions and long-term system designImprove performance, reliability, and scalability as usage growsCollaborate closely with founders and senior engineers on product directionOperate as a generalist across multiple parts of the stackTech StackTypeScript / Node.js (core)React / Next.js (frontend)Python (AI / agentic workflows)Cloud infrastructure and APIsStrong engineering fundamentals matter more than specific tools.You Should HaveStrong full-stack engineering experience (TypeScript / Node.js essential)Experience building and shipping production systems end-to-endBackground in early-stage or high-growth startup environmentsHigh ownership and ability to operate autonomouslyProduct mindset - able to prioritise, ship, and iterate quicklyAbility to work across different layers of the stackBonusExperience with AI products, LLMs, or agent-based systemsExposure to DevOps, architecture, or data systemsPrevious founding / early engineer experienceExperience scaling B2B SaaS productsCultureHigh-performance, highly technical team (ex-founders, senior engineers)Strong ownership and accountabilityFast-paced, product-first environmentHybrid in Munich (3 days onsite)If you want to build AI products used by real customers, work with top-tier engineers, and operate with real ownership - this is it.