Backend (.Net) Intern

Apply now

Backend (.Net) Development Intern

At Clay Solutions we’re building the future of access control. Are you looking for a challenging development internship at a fast-growing company serving globally? Then look no further, because we are looking for you! Help us win the battle against mechanical keys!

Internship · Clay Solutions

Our core mission is to grant easy access for businesses anywhere around the world, in a logical and user-friendly way. As a platform company we build world-class APIs and facilitate industry leaders to integrate cloud-based access control to their businesses.

Our back-end developers build and expand APIs and work on an innovative smart lock API used by hundreds of thousands of people all over the world on a daily basis.  

Security, stability and scalability are our driving principles. 

Our product consists of the following components:

  • REST API’s developed with C# (.NET 4.5/4.6 and .NET Core)
  • Native mobile apps for iOS (Swift) and Android (C)
  • Hosted on enterprise-grade cloud platform (Azure) 
  • Front-ends built with ReactJS
  • Hardware hub running embedded Linux (C++)


We are open to candidates who are interested in joining our Backend team and contribute to our product development. We are looking for outstanding, passionate, communicative interns who show initiative. 

Interns who are:

  • In the 3rd or last year of their studies or who just have obtained their degree
  • Not intimidated by a little research
  • Able to work independently

Working at Clay means becoming a ‘Brick’, and that means joining an international team of passionate professionals (we’re proud to say we have over 20 nationalities in our fairly small team) who take initiative, own responsibility and share expertise.


At Clay Solutions we live by our core values

  • Innovation is in our veins; we strive for the best, we aim high.
  • Each of us takes ownership and responsibility for our work.
  • We lead with kindness and by example; we bring out the best in each other.
  • When in doubt we act with courage, take intelligent risks and make wise decisions.
  • With endless curiosity we keep learning and improving, while knowing to seek assistance for rapid advancement.
  • We’re stronger together. As a team we’re passionate, collaborative, playful and proud.
  • To achieve the greatest we keep it simple, take small steps and always work smart. 


We expect everyone in our team to bring

  • Team spirit; enjoying working with a diverse group of people with different expertise
  • A keen eye for detail; working at a fast-pace environment, managing and prioritising goals
  • A high bar for excellence and pride in work
  • Eagerness to learn and investigate possibilities and applying insights from past experience
  • Self-discipline, professional attitude and collaborative spirit
  • Individuality and willingness to share ideas and new perspectives



Wondering what it’s like to work at Clay Solutions?

Clay is a tight-knit team of technology lovers and innovative thinkers. Our team consists of over 20 nationalities (and growing), from a wide variety of backgrounds, working on some of the most challenging problems in the access control industry.

To read some of the benefits Clay Solutions offers check out our Careers page. But to give you some more insight into life at Clay here it goes; it’s great to have the ability to make an impact from day one, share ideas and shape the road map together. We work from our awesome office in Amsterdam, collaborate closely with Salto Systems in Spain, and serve our customers globally.

At Clay we are encouraged to build ourselves along with our fast-growing company. This can be in the form of trainings, coaching, conferences and more. We grow together! We know best is yet to come. Everyone on this team has a voice, we support each other's curiosity and we’re encouraged to not only participate and speak up, but also to lead and drive.

Beware; we work hard, play hard. Don’t underestimate either of those! We are honest, love a good joke, and don’t take things personally. And as a tight-knit team, together we form the solid house that is Clay Solutions.