Senior Backend Engineer: IoT Platform Ownership (Hybrid)

Loop Earplugs; Amsterdam; Hybrid; EUR 80,000 - 110,000; Full time

Job summary

Loop Earplugs seeks a Staff Backend Software Engineer to own the backend platform behind Loop’s connected products. You’ll design, deploy, and operate cloud services powering hardware, mobile apps, and the cloud, taking full ownership from concept to production.

You will lead architecture decisions, own security reviews, and drive reliability with a focus on APIs, data flows, and device-to-cloud integration. Hybrid work in Amsterdam or Antwerp.

Qualifications

• 8+ years of production software experience in backend or full-stack roles.
• Strong design, deployment, and operations experience for backend services and cloud apps.
• Deep production experience with Node.js and TypeScript.
• Production experience with Google Cloud Platform and Firebase services.
• You understand API design, authentication, cloud storage, distributed systems, and modern software architecture.
• Experience with CI/CD, infrastructure management, monitoring, and running production systems.
• Security-first mindset and best practices in secure software development.

Responsibilities

• You own the backend services powering Loop’s connected products end-to-end.
• You design, develop, test, deploy, and maintain secure, scalable backend services and APIs in Node.js and TypeScript.
• You build and operate cloud infrastructure on Google Cloud Platform, including Firebase Authentication and Cloud Storage.
• You own deployment pipelines, environments, monitoring, operational health, and platform reliability.
• You design secure backend solutions, including access control, infrastructure hardening, security reviews, and pre-release penetration testing.
• You collaborate across Product, Firmware, Hardware, and Mobile Engineering to deliver reliable device-to-cloud integration, robust APIs, and optimized data flows.
• You provide technical direction to software development partners and ensure externally delivered solutions meet Loop’s engineering standards.
• You strengthen engineering practices through code reviews, mentoring, and continuous improvement.

Skills

8+ years backend/full-stack

Node.js

TypeScript

Google Cloud Platform

Firebase

CI/CD

Security

API design

Distributed systems

Device-to-cloud

Tools

Node.js

TypeScript

GCP

Firebase

Job description

Loop Earplugs seeks a Staff Backend Software Engineer to own the backend platform behind Loop’s connected products. You’ll design, deploy, and operate cloud services powering hardware, mobile apps, and the cloud, taking full ownership from concept to production.

You will lead architecture decisions, own security reviews, and drive reliability with a focus on APIs, data flows, and device-to-cloud integration. Hybrid work in Amsterdam or Antwerp.