Snr Front-end Developer
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Job Location:
Amsterdam - Netherlands
Monthly Salary:
Not Disclosed
Posted on:
20-10-2025
Vacancies:
1 Vacancy
Job Summary
Job description
Does code hold no secrets to you Are you the go-to expert for your colleagues and do you enjoy taking the lead by setting a good example Become a Senior Front-end Developer at iO and build excellent applications for top brands like Bol VodafoneZiggo and Rabobank.
As a Senior Front-end Developer youll work within the in-house teams of leading brands. With your in-depth knowledge and experience you take the leading role in project teams and are the key contact for clients. They rely on your code vision and input as a senior developer. But it doesnt stop there: you elevate other colleagues in the team to a higher level by guiding motivating and inspiring them to excel. You ensure that projects are not only technically solid but also contribute maximally to your clients business objectives. From concept to impact: youre involved throughout the entire journey.
Your team & development
You dont just work at the clients site - you remain closely connected with your iO colleagues. At least once a week you come together to catch up share knowledge and learn from each other. Youll join a team of experts who will advance your career.
At iO you get time and budget to develop yourself. Take courses workshops training sessions and earn certificates. Or give presentations yourself write blogs (check out our Techhub) and contribute to the Open Source community. We stay at the forefront by participating in many events conferences knowledge sessions and high-level meetups.
Job requirements
Minimum 6 years of work experience as a Front-end Developer
Solid experience with React/NextJs Vue/Nuxt or Angular is a must
Familiar with TypeScript
Experience with AI-tooling accessibility NodeJS or other back-end languages/frameworks is a plus
Experience working at and with enterprise organizations
You enjoy coaching developers in their technical and non-technical skills and easily take the lead
You speak fluent English
What makes you strong:
Youre more than a developer. Youre a sparring partner for clients a mentor for colleagues and a thought leader in your field. You see opportunities where others see challenges and take initiative to capitalize on those opportunities. With your hands-on mentality and sharp technical insight you elevate projects to a higher level.
All done!
Your application has been successfully submitted!
Key Skills
- Bootstrap
- CSS
- Front-End Development
- HTML5
- React
- Redux
- Node.js
- Angular
- Less
- JavaScript
- backbone.js
- Sass
About Company
Data and content agency RAAK is becoming iO — helping you tackle challenges in marketing, technology, strategy, and content.
