Senior Full-Stack Engineer — Remote, Build AI Data Platform

Aperam; Paris; Remote; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Remote-friendly

One month per year from anywhere in EU

Home office equipment support

Moka Care mental health support

Job summary

JobTeaser’s JT AI Labs is seeking an experienced Senior Frontend Engineer to evolve the core platform. You will own end-to-end features from UI to data collection and recording workflows, ensuring reliability as the team scales.

You’ll work on browser media APIs, consent/traceability, and production-grade practices. Ideal candidates have 5+ years building web apps in production, strong TS/React/Next.js skills, and experience with WebRTC and AWS.

Qualifications

• Master's degree in Computer Science or equivalent.
• 5+ years building and running web applications in production, end-to-end.
• Proficient in TypeScript with React/Next.js on frontend and backend.
• Hands-on with browser media APIs (WebRTC, Web Audio, MediaRecorder) or real-time SDKs.
• Experience with AWS (S3/IAM/KMS), Docker and Kubernetes, in production deployments.
• Strong observability focus: logs, traces, metrics, alerting.
• Product-minded: ship small increments and measure impact.

Responsibilities

• Take over and evolve the existing platform components (forms, review console, quota views, onboarding).
• Build a data collection platform from scratch (session scheduling, reminders, recording room, uploads).
• Solve browser audio challenges: raw capture, resumable uploads.
• Embed consent/traceability: contract creation, signatures, status logging.
• Contribute to engineering practices: PRs, runbooks, migrations, testing, CI/CD, observability.
• Collaborate with Head of AI, data engineer, delivery lead to turn feedback into product improvements.

Skills

TypeScript

React

Next.js

WebRTC

AWS

Docker

Kubernetes

Observability

Product mindset

Startup experience

Education

Master's degree in Computer Science

Tools

AWS

Docker

Kubernetes

Job description

JobTeaser’s JT AI Labs is seeking an experienced Senior Frontend Engineer to evolve the core platform. You will own end-to-end features from UI to data collection and recording workflows, ensuring reliability as the team scales.

You’ll work on browser media APIs, consent/traceability, and production-grade practices. Ideal candidates have 5+ years building web apps in production, strong TS/React/Next.js skills, and experience with WebRTC and AWS.