Functiebeschrijving
Note (README):
This position is based in the Netherlands, with two office days per week in Amsterdam on Tuesdays and Thursdays. Remote candidates will only be considered if they have exceptional experience and can clearly show deep knowledge of mobile development,
Svelte , and a strong history of shipping
high-quality products.
About us:
We are a growing ticketing platform startup based in Amsterdam. Our mission is to reshape the live events industry with technology that improves the experience for both organizers and customers.
On the frontend, we focus on modern design, performance, and usability. Our web applications are built with React, Next.js, and Svelte 5, using shadcn/ui and TailwindCSS to create fast, scalable, and consistent interfaces. Our mobile apps are built with React Native, following the same design principles to ensure a smooth and user-friendly experience across platforms.
About the role:
We’re looking for a
Senior Frontend Engineer
with a strong passion for building high-quality web applications and a particular interest in
Svelte .
Svelte is a key part of our frontend strategy, and we’re actively investing in it for new development. At the same time, we maintain and evolve several
React-based
applications.
This role is hands-on and technical. You’ll be expected to contribute at a senior level: shaping architecture, raising code quality, mentoring other engineers, and influencing frontend direction.
What you’ll do:
Design, build, and maintain frontend applications using
Svelte
and
React
Own and evolve frontend architecture with a focus on
performance ,
scalability , and
maintainability
Drive best practices around
component design ,
state management , and
E2E testing
Partner closely with
design ,
product , and
backend
teams to deliver polished user experiences
Review code, provide constructive feedback, and mentor other frontend engineers
Lead technical discussions and contribute to long-term frontend strategy
Continuously improve developer experience, tooling, and workflows
What we’re looking for:
5+ years of professional experience as a
Frontend Engineer
(or equivalent)
Strong experience with modern frontend frameworks, ideally
Svelte
and
React
Proven ability to work on complex, production-grade frontend systems
Deep understanding of
JavaScript ,
HTML , and
CSS
Experience with frontend
performance optimization
and
accessibility
Comfortable making architectural decisions and explaining trade-offs
Strong communication skills and a collaborative mindset
Experience setting up and maintaining
CI/CD pipelines
using
GitHub Actions
or similar tools to automate testing, builds, and deployments
Demonstrated
production experience with Svelte , including building, deploying, and maintaining live applications using the framework
Strong knowledge of
TypeScript
Nice to have:
Experience with modern tooling such as
Vite ,
Rollup , or similar
Experience building or maintaining
design systems
Exposure to frontend testing strategies ( unit ,
integration ,
E2E )
If you are a senior mobile engineer who values clean architecture, strong testing practices, and high-quality user experiences, we would love to hear from you.
We're remote-friendly, but if you're in the Netherlands, you're more than welcome to swing by our Amsterdam office. We’re usually there twice a week and would love to have you around.
Ready to Apply?
Don't miss this opportunity! Apply now and join our team.
Functiedetails
Publicatiedatum:
February 25, 2026
Functietype:
Events Services
Locatie:
Amsterdam, Netherlands
Company:
Celebratix
Ready to Apply?
Don't miss this opportunity! Apply now and join our team.