Senior Software Engineer (Tech Lead) - SaaS Startup, 80-100%

Das ist der Job

You enjoy balancing speed, pragmatism, and engineering quality.

Darum lohnt es sich

As an Engineering Lead (80–100%) , you’ll take ownership of the technical foundation of our platform and lead a small, high-caliber engineering team (3–6 people), with the opportunity to expand and shape the team as we grow.

Our stack is a modern Angular frontend paired with a scalable Nx-powered NestJS microservices backend, running on TypeScript end‑to‑end, with MySQL, Redis/BullMQ for async workloads, and fully containerized via Docker .

A full stack engineering role with technical leadership and architecture ownership at an early-stage SaaS startup – remote across Europe. Do you want to build the core platform that enables early-stage building design to be optimized through simulation and AI?

At vyzn , an ETH spin-off, we’re building a data- and AI-driven SaaS platform that shapes the future of construction planning.

In just a few clicks, developers, planners, and architects receive precise insights on emissions, energy, comfort, and costs - based on automatically refined 3D building models - along with AI-powered recommendations to support well-informed decisions.

You’ll be deeply hands‑on in the codebase while shaping architecture, scaling systems, and helping steer how our product evolves. This role includes significant technical ownership and long‑term upside through our ESOP program. Tasks Lead the technical development of our SaaS platform - from concept to deployment. Shape and evolve the software arch