Senior AI-Driven Full-Stack Engineer in Zurich

Delta Labs; Zürich; On-site; CHF 110,000 - 145,000; Full time

Benefits offered by this job

Competitive salary

Equity participation

Job summary

Delta Labs, based in Zürich, Switzerland, is seeking a Full Stack Developer to design and build the systems powering Elaiia's simulation platform. The role covers the full stack from database schema to production UI and involves integrating LLM APIs and maintaining scalable, reliable workflows.

You will work with a modern TS frontend (Next.js/React) and Python microservices, deployed on Vercel and Azure, with PostgreSQL as the database.

Qualifications

• 4+ years of experience shipping production web applications in TypeScript.
• Strong in modern React/Next.js ecosystem, with attention to code quality and performance.
• Comfort reading/writing Python; backend components in Python are part of our stack.

Responsibilities

• Design and build production features across the full stack, from data model to UI.
• Integrate LLM APIs into production workflows: prompt pipelines, structured outputs, token optimization.
• Build and operate long-running, multi-step simulation workflows with reliability at scale.
• Ensure AI paths are measurable via tracing, evals, and regression checks.

Skills

TypeScript

React

Python

Relational databases

LLM integration

Tools

Next.js

PostgreSQL

Azure / Vercel

LLM APIs

Job description

Delta Labs, based in Zürich, Switzerland, is seeking a Full Stack Developer to design and build the systems powering Elaiia's simulation platform. The role covers the full stack from database schema to production UI and involves integrating LLM APIs and maintaining scalable, reliable workflows.

You will work with a modern TS frontend (Next.js/React) and Python microservices, deployed on Vercel and Azure, with PostgreSQL as the database.