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Front End Developer

Posted 12 May 2025
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Work experience
2 to 10 years
Full-time / part-time
Full-time
Job function
Degree level
Required languages
English (Fluent)
Dutch (Fluent)

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What are you going to do?

To support our ambition of being the no. 1 Low-Code platform for citizen developers, we are looking for a Front End Developer who wants to help support the vision of our Forrester-licensed no-code application development platform.

As a developer you will be working on our low-code platform, Betty Blocks! Examples of problems we are trying to solve include:

  • Enabling our low-coders to build fast & responsive single page applications without using a line of code.
  • Building a generic, secure & scalable API on top of our users data, allowing them to use data in their applications.
  • Running the business logic our no-coders created at scale, while making sure that one application does not influence other applications.

To tackle these problems you will work in one of our international scrum teams, which consist of topnotch Front- and Back End Developers, designers and DevOps engineers. Each team owns a part of our product from front to back. Being responsible for the quality, scalability & design of their feature.

We are constantly improving our stack and development process and are happy to incorporate new services and technologies, currently our Tech Stack is as following:

  • Our main backend language is Elixir, though we do have some NodeJS (with TS) services as well
  • In our backend we also use Redis, MariaDB & RabbitMQ.
  • For our frontend we use React in combination with Typescript
  • Communication between our frontend and backend happens through GraphQL
  • Our platform runs on Azure & Kubernetes
  • We are fans of testing and try to cover our platform as much as possible using multiple layers of testing (Unit, Integration & E2E). We run these tests in our automated CI pipeline.
  • We're building on a solution to provide the no-code with machine learning capabilities; when working on this you make use of technologies such as Python.

Who are we?

We see ourselves as a driven, energetic and hardworking group of friends, who are passionate about what we do: Making application development as easy as riding a bicycle. Our no-code platform enables organizations around the world to create applications that solve the problems they currently face in their unique situations.

We are proud to be the world's first no-code platform for Citizen Development. 'How can we make building easier' is the foundation of everything we do.

Who are you?

  • You have multiple years of experience in application development, and have touched front end technologies such as JavaScript, React.js and Typescript;
  • You're passionate about writing quality code;
  • You look for the best technical solutions and you also take into consideration future requirements, needs and possibilities.

What do we offer?

  • An open and informal working atmosphere;
  • Possibility to follow training and courses;
  • Lots of room for personal development;
  • Celebrate successes with Friday afternoon drinks, a Buffalo of the quarter with drinks and unique Betty Blocks festivals.
  • A new, Google-like office building near the city center and Alkmaar station;
  • Full travel allowance;
  • Option to partially work from home
  • A lease bicycle plan
  • 25 paid days off per year;
  • Every day a fully catered (healthy) lunch buffet and fresh fruit at every department;
  • A pension plan;
  • Professional chair massages in the office;
  • Use our in-house gym for free and exercise with a personal trainer at a discount!
  • Strengthen your mental well-being with the OpenUp platform.
  • Friendly, ambitious and diverse teams.

Why Betty Blocks?

We are a fast-growing, internationally operating IT company that gives you the opportunity to develop yourself both professionally and personally and to take your career to the next level. We help companies maximize their human potential in IT by empowering more employees with the tools to develop business applications that drive innovation in any company. Do you want to be part of this and does the vacancy completely suit you? Then we would like to meet you!

More information:

For more information about this vacancy you can contact our Recruiter Perry Hofman via perry.hofman@bettyblocks.com or by phone on +31625778375

Holder is een van de snelst groeiende Tech-bedrijven in Nederland. Vanuit onze visie op internet werken wij dagelijks aan succesvolle web applicaties die rendement opleveren voor de opdrachtgever. Door eigenwijze keuzes te maken werken wij in de voorhoede van de branche. Zo zorgen wij ervoor dat onze klanten optimaal profiteren van de voortschrijdende techniek. Sinds 2005 werkt Holder volledig met…


Holder is een van de snelst groeiende Tech-bedrijven in Nederland. Vanuit onze visie op internet werken wij dagelijks aan succesvolle web applicaties die rendement opleveren voor de opdrachtgever. Door eigenwijze keuzes te maken werken wij in de voorhoede van de branche. Zo zorgen wij ervoor dat onze klanten optimaal profiteren van de voortschrijdende techniek. Sinds 2005 werkt Holder volledig met Ruby on Rails. Dit ontwikkelframework biedt meer mogelijkheden dan conventionele programmeertalen, is onderhoudsvriendelijker en is beter koppelbaar aan bestaande systemen. Holder was een van de eerste bedrijven die dit platform zakelijk inzette en werkt nog altijd in de voorhoede van de branche. Holder is Nederlands grootste en bekenste ontwikkelaars met ROR. We zijn een innovatieve, ambitieuze en jonge onderneming met korte lijnen en een informele bedrijfscultuur. In onze werkomgeving heb je uitgebreide mogelijkheden om je kennisniveau te verhogen en door te groeien. Omdat wij een goede werksfeer ook heel belangrijk vinden worden er met hoge regelmaat bedrijfsuitjes georganiseerd.

IT
Alkmaar
200 employees