Hybrid Backend-First Full-Stack Engineer for Climate IoT

Quatt; Amsterdam; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Free vegan/vegetarian lunch

Pension plan (ASR Groeipensioen)

SARs program

Travel compensation €0,23/km

OpenUp mental health platform

Office parties and drinks

Referral bonus up to €2,000

International team (30+ nationalities)

Job summary

Quatt is seeking a backend-focused Full-Stack Engineer to join our Software & Infrastructure team in the Netherlands. You’ll work on the backend, telemetry pipeline, and cloud platform, with some UI work in React dashboards and occasional React Native components.

The role emphasizes strong TypeScript proficiency, database experience, and system design within a climate-tech scale-up. Hybrid work is offered, with 4 days in the office and 1 day from home.

Qualifications

• 3+ years of engineering experience with strong TypeScript across the stack and backend (Node.js).
• Bachelor's degree in Computer Science or Engineering.
• Comfortable building UIs in React; React Native a plus.

Responsibilities

• Build and evolve the backend behind our customer app, installer tools, and internal dashboards—from device flows to energy insights and smart control features.
• Work on our telemetry pipeline: ingesting, processing, and querying data from tens of thousands of heating systems and batteries (AWS IoT Core, SQS, ClickHouse, BullMQ).
• Build the energy side of our platform: home-battery charging strategies, dynamic energy tariffs, and EMS integrations.
• Design APIs (OpenAPI) and integrate with HubSpot and field-service systems.
• Help architect our cloud infrastructure for performance, scalability, observability and cost.
• Own internal and support dashboards (React) and contribute to the customer/installer app (React Native).
• Collaborate with cross-functional teams to ship features across the Netherlands.
• Troubleshoot production issues and ensure platform health and reliability.

Skills

TypeScript

Node.js

React

REST APIs

AWS

SQL (MySQL)

MQTT

OpenAPI

CI/CD

Education

Bachelor's degree in Computer Science or Engineering

Tools

MySQL

Prisma

ClickHouse

Redis

BullMQ

Kafka

AWS

Express

React Native

Job description

Quatt is seeking a backend-focused Full-Stack Engineer to join our Software & Infrastructure team in the Netherlands. You’ll work on the backend, telemetry pipeline, and cloud platform, with some UI work in React dashboards and occasional React Native components.

The role emphasizes strong TypeScript proficiency, database experience, and system design within a climate-tech scale-up. Hybrid work is offered, with 4 days in the office and 1 day from home.