Senior Full-Stack Engineer, AI Platforms & LLM Workflows

Delta Labs AG; Zürich; On-site; CHF 110,000 - 165,000; Full time

Benefits offered by this job

Competitive salary

Equity opportunity

Early-stage startup environment

Job summary

Delta Labs in Switzerland is seeking a Full Stack Developer to design and build the systems powering Elaiia's simulation platform. The Engineering team owns the full stack, from database schema to production UI, and aims for speed, reliability, and scalability.

The stack features TypeScript with Next.js React frontend, PostgreSQL, and Python microservices. You will integrate LLM APIs, run long-running workflows, and own features end-to-end, collaborating with research to deploy production-grade

Qualifications

• 4+ years of experience shipping production web applications in TypeScript.
• Strong in React/Next.js; focus on code quality and performance.
• Comfortable reading/writing Python; backend services required.
• Experience designing relational database schemas for scale.
• Deep curiosity about LLM integration and AI-assisted engineering.
• Clear communication of trade-offs and good documentation.

Responsibilities

• Design and build production features across the full stack.

Skills

TypeScript

React/Next.js

Python

Relational databases

LLM integration

AI tooling

Tools

PostgreSQL

OpenAI API

LangGraph

Vercel

Azure

Job description

Delta Labs in Switzerland is seeking a Full Stack Developer to design and build the systems powering Elaiia's simulation platform. The Engineering team owns the full stack, from database schema to production UI, and aims for speed, reliability, and scalability.

The stack features TypeScript with Next.js React frontend, PostgreSQL, and Python microservices. You will integrate LLM APIs, run long-running workflows, and own features end-to-end, collaborating with research to deploy production-grade