.NET Fullstack Developer (team integrations)

We're looking for a skilled .NET Fullstack Developer (team Integrations) to join our team and help build robust, scalable REST APIs that power our payroll and HR software solutions. In this role, you'll design, develop, and maintain APIs that connect our systems and enable seamless integration with third-party applications.

About Nmbrs:

We're a fast-growing scale-up building innovative HR & payroll technology. With 160+ colleagues in Amsterdam, Lisbon, and Stockholm, we do things differently. No traditional managers, a 4-day workweek, and the freedom to make an impact.

In this role, you will:

• Design and develop modern REST APIs following industry best practices

• Create and maintain API documentation using OpenAPI specification

• Build and implement webhooks for real-time data exchange

• Collaborate with front-end teams to ensure effective API consumption

• Participate in API security reviews and performance optimization

• Lead API testing and quality assurance efforts.

What you'll bring:

• Have proven experience designing and building REST APIs

• You are familiar with Postman and Azure APIM

• You have experience in C#, javascript, SQL, HTML, CSS 

• Have experience developing on SOAP API (running in IIS)

• You can work with web components

• You understand webhook

• You are energetic and proactive (focus on improvement, constantly bringing new ideas and challenging code review)

• You have excellent attention to detail and analytical skills

• You have a strong ownership mentality and accountability for your work

What's in it for you:

• We offer a gross annual salary of 58K to 71K including holiday allowance, depending on experience

• We offer a pension scheme of 15% 

• Nmbrs is a flat organisation in which you have the freedom and responsibility to do what you are good at and have an impact, in an agile working environment

• A personal coach who helps you with your personal and professional growth as well as a yearly budget for training and personal development

• We ensure a healthy work-life balance

• For us full-time means a 4-day workweek giving you one paid personal day to spend in a way that will benefit you the most;

• We have a big and light office space close to the Sloterdijk train station, and all the floors of the office are accessible by elevator

• We work hybrid at Nmbrs

• We have monthly fun events, and twice a year all offices come together for an amazing event at a very secret location to foster togetherness and innovation and celebrate with each other

• Nmbrs offers the opportunity to go on an exchange to our offices in Lisbon or Stockholm for up to 4 months

Please note: We are not able to consider candidates who are not living and working in the Netherlands. At this moment we are not providing relocation sponsorships.

As part of our hiring process, we conduct a criminal background check for all candidates reaching the final stages. This helps us ensure a safe and secure environment for everyone.

At Nmbrs, we celebrate diversity and promote an inclusive environment where our team members from all backgrounds, ages, genders, or sexual orientations feel equally appreciated. In order to achieve this, we are committed to shaping a hiring process that provides everyone with an equal opportunity to get hired.