46 javascript English-speaking jobs in Rotterdam
Implementation Engineer
- Freeday
- Rotterdam
- November 14
You know how to work with APIs, databases and automation tools You feel comfortable with Python or JavaScript
C# Developer
- Coolblue
- Rotterdam
- November 7
Experience with front-end development (React), JavaScript, HTML5, and CSS is a plus.
Back End Developer
- Rotterdam Innovation City
- Rotterdam
- October 30
About you 1 to 4 years of working experience using JavaScript / TypeScript and API development; Advanced
Software Engineer | Widget Framework.
- Testing Solutions GmbH
- Rotterdam
- October 30
This includes the JavaScript API provided in the client for web (ReactJS) and native mobile (ReactNative
Part-Time Technical Advisor
- Scale Virtually
- Europoort
- December 6
support via Looms, written documentation, or technical notesWrite or review scripts where needed (Python/JavaScript
Senior AJO developer
- Merkle Nederland
- Rotterdam
- December 2
Proficiency in JavaScript, JSON, REST APIs, and Adobe Launch.
(Senior) Solution Delivery Engineer - EMEA (m/f/d)
- Trackunit
- Rotterdam
- December 1
JavaScript/TypeScript) Familiarity with APIs (GraphQL, REST) and webhook integration Hands‐on experience
Senior Software Developer
- TecAlliance
- Rotterdam
- November 13
Experience with Javascript or Typescript.
QA Engineer | Valencia or Rotterdam
- Helloprint
- Rotterdam
- November 12
Knowledge of PHP, JavaScript/TypeScript, or related languages.
Front-End Engineer
- Merkle
- Rotterdam
- November 5
Basic understanding of JavaScript.
QA Engineer
- HelloPrint
- Rotterdam
- November 5
Knowledge of PHP, JavaScript/TypeScript, or related languages.
Sr. Back-end Developer
- Yuki
- Rotterdam
- October 4
Some experience with JavaScript frameworks like Vue, Prototype, Angular, etc., is a big plus.
Engineering Lead (Rust)
- Keyrock
- Rotterdam
- December 1
Advanced proficiency in Rust; working knowledge of Node.js (JavaScript/TypeScript) and Python is advantageous
Software Engineer
- SkylineDx BV
- Rotterdam
- November 16
Object-Oriented Programming (OOP) and Dependency Injection (DI). experience with REST APIs, HTML/CSS/JavaScript
Adversary Simulation Specialist F&L Media 05-05-2024
- Media Troopers
- Rotterdam
- November 9
Experience writing code in one or more programming languages (Python, C/C++, JavaScript, Java, etc.).
(Sr.) Integration Consultant
- OMP
- Rotterdam
- November 14
Senior AJO developer
- Dentsu Aegis Network
- Rotterdam
- December 8
Proficiency in JavaScript, JSON, REST APIs, and Adobe Launch.
Tech Internship 2026 | Fast growing scaleup
- Monday Merch
- Rotterdam
- December 1
Tech Internship 2026 | Fast growing scale-up
- Monday Merch
- Rotterdam
- December 1
Security Software Engineer
- Canonical
- Rotterdam
- December 8
development tools and methodologies Skill in one or more of C, C++, Python, Go, Rust, Java, Ruby, PHP, or JavaScript






































