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Tech Lead Developer

Den Haag, Zuid-Holland, Netherlands€5,000 - €7,000 per monthTech

Job description

The fun of working at LessonUp

As a developer, you will find some great things at LessonUp. Apart from a mission-driven team that is ready to make a change, you will work on something that is being used on a daily basis by thousands (200K+ users!) of people. Not just in the Netherlands, but on a global level. 50% of our team is focused on product & tech. And with a CEO who is a developer himself, we could not imagine this any different. We also highly value your personal development. Apart from the learning curve you will get from working in our team and amongst other high-quality professionals, we will set up a personal development plan and will offer your time and education, based on your personal learning goals.

But most of all, our team will make you feel welcome and at home. LessonUp style. :)

Your possible to do's - it's up to you!

  • You'll help us transition from our current to a new microservice-based architecture.

  • You'll explore which technologies we can use for our new architecture.

  • You’ll architect, develop, monitor and optimize our backend services.

  • You’ll help us transition from our current to a new architecture.

  • You’ll improve our code, and will be constantly looking for things that can help us write more maintainable and scalable services.

  • You’ll work together with our in-house multidisciplinary team, which includes frontend, backend and full-stack developers, POs, and designers.

  • You'll lead a team of 3/4 developers.

Job requirements

Technologies and concepts we use:

We don’t need you to have in-depth experience with all the technologies we use, but our ideal candidate is at least familiar and comfortable with the following technologies:

  • Typescript
  • NodeJS
  • GraphQL
  • Google PubSub
  • MongoDB
  • Redis
  • ElasticSearch
  • Kubernetes
  • GitOps via ArgoCD
  • Google Cloud Platform
  • High Availability architecture
  • Microservices

A little bit more about you...

  • 5+ years experience in the field

  • Experience developing with Typescript

  • Capable of working independently

  • Experience with web applications

  • Familiar with architecting complex software products

  • Experience with continuous integration / continuous deployment

  • You’re a data-driven and pragmatic decision-maker

  • You’re open-minded, kind, autonomous, and proactive

  • You like to write maintainable, clean, and readable code

also, you love the scale-up phase and the challenges that come with this. You are up for a challenge and a lot of learning.

Practical stuff:
Your English is at least on a C1 level and you live within (about) the same timezone.

What we offer you

+ A fantastic job at our office in The Hague (NL) where we work in-office if necessary and remote when possible

+ A good salary and if needed, a VISA sponsorship

+ A work week of 32, 36 or 40 hours a week. Whatever you prefer.

+ Good gear to work with - a laptop and other stack of your choice;

+ The opportunity to buy your own shares in the company.

+ NS business card or €0,21 per km

+ A personal Learning & Developing budget

+ Unlimited access to OpenUp to work on your mental health

+ Retirement savings with ASR

+ Free lunch, drinks & snacks at the office

+ Great outings throughout the year like roof terrace party’s, beach bbq’s, game nights and monthly drinks.

Want to meet our team? Learn more about our mission?

Please feel free to contact us via e-email (

LessonUp is an equal opportunity employer, which means we do not discriminate on the basis of race, colour, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression. We celebrate diversity and are committed to creating an inclusive environment for all employees.