Senior Fullstack Engineer - Audio Tech (React/Django)

Stealth Startup; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Job summary

Stealth Startup in Sweden seeks a Senior Fullstack Engineer to help build the next generation of an audio-first platform. You’ll work across the stack using React, Django, Python, REST/OpenAPI, WebSockets, and cloud tooling to deliver features quickly.

You’ll shape what we build, own end-to-end delivery, and ship small changes today in a small team that values speed and practical impact. Experience with audio processing is a plus, but we’ll teach you if needed.

Qualifications

• What you’ve built: web apps across the stack with React and Django or similar Python framework.
• Strong in React and Django; clean, readable code with attention to latency, UX, and details.
• Hands-on, self-driven and comfortable owning features end-to-end; able to ship small changes today.
• Audio processing experience (Web Audio API, DSP basics, codecs, streaming) is a plus but not required.

Responsibilities

• Build and run web applications across the stack with a focus on performance and UX.
• Help decide what to build and ship features end-to-end in a small, fast-moving team.
• Collaborate closely with teammates to iterate quickly and deliver value to customers.

Skills

Experience with web apps across stack

Hands-on / self-driven

Latency & UX attention

Tools

React

Django

Python

REST

OpenAPI

WebSockets

Web Audio API

Docker

Kubernetes

Datadog

Sentry

Job description

Stealth Startup in Sweden seeks a Senior Fullstack Engineer to help build the next generation of an audio-first platform. You’ll work across the stack using React, Django, Python, REST/OpenAPI, WebSockets, and cloud tooling to deliver features quickly.

You’ll shape what we build, own end-to-end delivery, and ship small changes today in a small team that values speed and practical impact. Experience with audio processing is a plus, but we’ll teach you if needed.