Senior Full-Stack Engineer

About the Role We're a fast-growing, Munich-based AI-powered B2B SaaS company (founded 2022, ~25 people) building privacy-first productivity tools for sales teams. Our product spans a web app, desktop client, iOS app, and backend services — all centered around real-time, low-latency data processing and seamless CRM integrations. As a Senior Full-Stack Engineer , you'll take technical ownership of a major platform surface, work directly with the CTO and founding engineers to shape product and infrastructure strategy, and help define how we build and ship software at scale. This is a high-impact, high-autonomy role at the heart of our engineering team. The role is hybrid and based in Munich, Germany . Visa sponsorship is not available. What You'll Do Own a platform — web, desktop, iOS, or backend — and deliver real-time, low-latency features end-to-end. Architect scalable services and define cross-stack best practices that balance performance, reliability, and product velocity. Collaborate closely with the CTO and founding engineers to shape product direction and infrastructure strategy. Mentor junior engineers, lead code reviews, and foster a high-performing, learning-oriented engineering culture. Build and maintain a robust delivery pipeline, including CI/CD, test automation, and deployment strategies. Document architectural decisions and communicate clearly across engineering, product, and infrastructure teams. What We're Looking For Required: Expertise in TypeScript, React, and Node.js with a strong modern full-stack development background. Familiarity with Swift or C++ (at least one is required). Strongly valued: Experience building and operating real-time, low-latency features and performance optimizations. Exposure to audio, voice, or AI technologies . Experience with privacy-focused architectures or real-time data pipelines. Strong track record with CI/CD pipelines, test automation, and delivery infrastructure . Experience designing and operating scalable dist