Back-End Developer (NestJS, Node.js, Web-first iOS via Tauri)

WE ARE LOOKING FOR Back-End Developer

We are looking for a Back-End Developer to design and build robust services powering the application.

What You’ll Do

Design and develop scalable backend services and APIs

Build and maintain real-time and data-driven systems

Collaborate with frontend developers and product teams

Ensure performance, reliability, and security of backend systems

Contribute to architecture and technology decisions

Required Qualifications

Tech Stack:

NestJS 11, Node.js 22, Bun

TypeScript 5.7

Socket.IO

SQLite 5

ChromaDB 3, HNSW

LangChain, MCP SDK

Pino, SWC, ESM

Playwright, Vitest 3, Stryker

We’re Looking For

Strong experience with Node.js and backend frameworks (preferably NestJS)

Solid understanding of API design and scalable architectures

Experience with real-time systems (e.g. Socket.IO )

Comfortable working with databases and performance optimization