Senior TypeScript Backend Engineer — Microservices & Cloud

Coolblue; Rotterdam; On-site; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Travel allowance

Retirement plan

Work-from-home allowance

25 leave days

Office near Rotterdam Central

Job summary

Coolblue seeks an experienced TypeScript Backend Developer to optimize website backend and microservices. You’ll work in a close-knit team, review code, and push high-quality features with contributions across CI/CD and internal tools.

You’ll collaborate with designers and journey experts, build scalable services in TS on AWS, and mentor teammates as you grow technically and personally. Based in the Netherlands, with a strong focus on team success.

Qualifications

• At least 5 years of experience with TypeScript.
• Experience with Node.js and pure/vanilla PHP is a plus.
• BSc or MSc in Computer Science or related field.
• Willing to coach colleagues and grow technically and socially.
• You live in the Netherlands.

Responsibilities

• Develop and maintain microservices and features in TypeScript.
• Review pull requests and perform code reviews.
• Collaborate with Customer Journey Specialists and UX/UI Designers.
• Work in a cloud environment using AWS services (Lambda, SNS/SQS, DynamoDB, S3, CloudFront).
• Apply SOLID principles and design patterns to ensure high-quality code.

Skills

TypeScript

Node.js

PHP

Education

BSc/MSc in Computer Science

Tools

AWS Lambda

SNS/SQS

DynamoDB

S3

CloudFront

Job description

Coolblue seeks an experienced TypeScript Backend Developer to optimize website backend and microservices. You’ll work in a close-knit team, review code, and push high-quality features with contributions across CI/CD and internal tools.

You’ll collaborate with designers and journey experts, build scalable services in TS on AWS, and mentor teammates as you grow technically and personally. Based in the Netherlands, with a strong focus on team success.