Senior Frontend Developer

At Sopra Steria, we ensure that you can do your work with pleasure and in balance. Therefore, we offer an attractive and flexible package of employment conditions:

• A permanent contract and a salary between €4,500 and €6,500 gross per month (based on 40 hours per week). The exact scaling depends on your experience and the role;
• Holiday allowance of 8%;
• A generous mobility budget in the form of a lease arrangement of €1,022 - 1,209, with the choice of an electric lease car with NS Business Card, or a leased bicycle, or an alternative transport arrangement of

€930 - 1,113 net, whichever best suits your way of traveling;

• 8% profit sharing on target (or a fixed OTB amount, depending on the position);
• 27 paid vacation days;
• Flex Benefits budget of €1,800 per year.

This budget can be used for things such as purchasing extra days off or extra savings in your pension scheme;

• Home office with laptop, phone, and a monthly internet allowance;
• Hybrid working: at home or in the office, depending on what you need;
• Development opportunities via training, knowledge-sharing sessions, and inspiring (networking) events;
• Social activities with colleagues – from cozy drinks to sporty or professional outings;
• A flexible pension scheme, to which you can add contributions tailored to and fitting for you.
• You can participate in the collective health insurance.

Does this job look like something for you?

Are you ready to shape the world with us? Fantastic! We are already looking forward to your application!

Sopra Steria is an employer that offers equal opportunities. All qualified applicants will be considered for a job without regard to age, origin, nationality, skin color, leave for family or medical care, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political preference, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations, and ordinances. We cherish a work environment that is inclusive and respects all differences.

A bright future for everyone—that is what we are working towards at Sopra Steria.

With more than 51,000 colleagues in nearly 30 countries, we are one of the largest suppliers of digital solutions in Europe. We believe that technology alone does not drive transformation. 

But that people form the core of change. That is why people are also central to everything we do, and you can excel with us both individually and in a team. 

The world is how we shape it.  Let’s shape it together.

Who are we?
We are the JSRoots practice of Sopra Steria, and we provide large organizations and semi-government bodies with tailor-made, end-to-end software solutions. With this, we help customers make the right choices and achieve great results. In this, we have been achieving success after success for years!

We believe in the impact of teams at our customers, and the vast majority of our services involve a multidisciplinary team of developers who build a bond and tackle the customer's challenges together, with training and support from Sopra Steria.

We work extensively with the Dutch government, the transport sector, banks, and the Dutch Police. Our assignments vary from large web applications to short pilot projects.

As a Senior Frontend developer at JSRoots, an assignment may include the following:

• Rewriting an existing monolithic frontend application into a modern microfrontend architecture.
• Optimizing the load time and performance of a complex Single Page Application (SPA).
• Implementing a Design System with components in React, Vue, or Angular.
• Migrating a legacy UI to a modern stack using, for example, React and TypeScript.
• Setting up a frontend CI/CD pipeline with tools such as Vite, Webpack, Jest, and Cypress.
• Integrating a Progressive Web App (PWA) to support offline functionalities.
• Advising on UX/UI optimizations and accessibility (WCAG) within the organization.
• Working with APIs and state management solutions such as Redux, Vuex, or Recoil.

Do you have ideas on how you can take this further or are your hands itching to work on this? Then be sure to read further!

What are your qualifications?
As a senior frontend developer, we expect you to:

Does this still sound familiar? Then you are the developer we are looking for, do not hesitate and apply!