Vacancy: Lead Developer .NET

Do you want to be part of an ambitious and growing team?

Censo is a team of energetic professionals committed to making businesses in the Netherlands more sustainable. While our core focus is on energy consumption in organizations and buildings, we also have the expertise and intrinsic motivation to help organizations become more sustainable in other areas as well. We do this with nearly 200 professionals from various locations, across a wide range of sectors, serving both private and public organizations.

Our mission is to support the sustainability journey of Dutch businesses and be the trusted partner for entrepreneurs and management teams facing the complex energy and sustainability challenges of today and tomorrow. It’s a big task — and that’s where you come in. We are currently looking for a Developer .NET with experience in developing with AI.

We are a fast-growing company, and we believe in creating space for a diverse range of employees. Diversity within an organization leads to more creativity, innovation, and better problem-solving. Every perspective matters! That’s why we encourage candidates to apply regardless of age, gender, religion, cultural background, employment history, or sexual orientation.

Your Role

As a Lead Developer, you'll be part of a product development team consisting of five developers, a DevOps engineer, a test engineer/scrum master, a UX designer, and a product owner.

In this role, you'll play a crucial role in developing the Censo platform. Our platform processes large amounts of data, which we translate into relevant insights into our clients' energy management. By contributing to this process, you'll make a meaningful impact on a greener future.

As an experienced Lead Developer, you'll play a key role in developing high-quality software that optimally meets the sustainability needs of Censo clients. With your technical expertise and proactiveness, you know how to make maximum use of modern tools such as AI and coach your team to do the same.

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In your role as Lead Developer, you will be responsible for:

• Technically leading the development team: You will be the driving force behind architectural decisions. You will collaborate with the team of .NET developers to design, develop, test, and implement a high-quality, scalable, and maintainable platform for the energy transition.
• Adoption of modern tooling: You maximize the capabilities of new technology such as AI and you coach the team so the team can create maximum value for Censo customers.
• Quality assurance: You will collaborate with teammembers to ensure code quality by conducting code reviews and implementing software development best practices.
• Result Ownership: You are actively involved in the development, contributing ideas and helping to refine requirements so that the end result aligns with the customer's needs.
• Cross-functional Collaboration: You work closely withother teams within Censo to realize sustainable solutions. Clear communication is key.
• Mentoring and Knowledge Sharing: You provide guidance and mentorship to junior team members, fostering a culture of learning and knowledge sharing within the development team.
• Long-Term Technical Vision: You align the technical strategy with the product vision, thinking ahead about scalability, maintenance, and innovation.

What You Bring

• You have experience as a lead developer and at least 5 years of experience as a .NET developer or a similar role.
• You have demonstrable experience in developing software in an AI-first manner, where you can structure the development process according to this method of software development.
• You have proven experience designing, implementing, and optimizing data-driven applications and implementing APIs.
• You have experience with most of the following: Claude code, .NET, C#, Azure, Entity framework, Rest, GraphQL, PostgreSQL, Atlassian, Git, Docker, Solid development, Design patterns, Domain Driven Design, Agile/Scrum, Kubernetes.
• You value ownership of your work, from design to implementation in a production environment.
• You have an affinity for sustainability and identify with our mission.
• A completed bachelor’s or master’s degree in a relevant field (e.g. IT, engineering, software development).
• You have strong analytical and problem-solving skills, with the ability to solve complex technical problems and devise practical solutions, with a focus of reaching the desired end result.
• You enjoy working in a team and foster a positive and supportive atmosphere.
• You speak and write English well; understanding Dutch is a plus.

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Research shows that some candidates only apply when they meet 100% of the requirements, while others do so at 60%. Our advice: if you’re in doubt, apply anyway!

What We Offer

• The chance to make your mark on the sustainability of Dutch businesses and create real, visible impact.
• 25 vacation days, with the condition that you come back with great stories; and the option to exchange 3 Christian holidays for 3 non-Christian ones.
• Fun, driven, and entrepreneurial colleagues – we’re the most enjoyable energy and sustainability experts in the Netherlands.
• A salary between 4.672, - and €7.187, - (depending on your skills and experience).
• Travel allowance and pension plan (no employee contribution).
• From day one: the freedom and trust to take on responsibility and show initiative.
• A flat, informal organization where you wear what you like and share a beer or soda with the boss (who doesn’t like to be called "boss").
• A behind-the-scenes view of a fast-growing organization.
• Time to get to know your colleagues over drinks, a game of table tennis, or a team lunch;
• Hybrid work, partly from home partly from our location near Den Bosch Central Station. This is a new central location from which we all operate since January 2026.

More Information & How to Apply

Want to know more about the role? Ard (Chief Digital Officer) is happy to tell you all about it. Call or message him at +31 6 21 89 98 15. Ready to apply? Send your CV and motivation letter now to Daphne at hr@censo.nl. The more you can share about why you’re a great fit for Censo and what motivates you to apply, the better!

Application process:

You’ll have a first interview with one of our developers and Ard or Peter (product owner), followed by a second interview.

"At Censo, we don’t make decisions for each other, but with each other. Together, we chart the course toward our mission. That way, everyone’s involved – and that makes us just a little different!"
– Jos van Moerkerk, Director

Altijd dichtbij de klant

Je doet werk dat echt impact heeft. Je staatnaast je klanten en ziet direct dat je een bedrijf vooruit helpt. Wij worden daar blij van. En hopelijk jij ook.

Samen winnen

We zijn niet vies van winnen. En om te winnen heb je een team nodig. Dus: we trainen hard, we zorgen dat we elkaar en de klant door en door kennen en genieten ook van de derde helft.

Eigen verantwoordelijkheid

Er is niet iemand die exact vertelt wat je moet gaan doen. Wel veel vertrouwen en ruimte. Zie je een kans? Pak ‘m. Heb je een goed idee? Deel het en ga aan de slag met je collega’s. Alsof je je eigen bedrijf runt. Kun je dat mooi op je cv zetten.