Full Stack Developer

Who we are

At OpenUp our mission is to make mental well-being accessible to everyone. Following a high tech & high touch approach we support companies their employees and their families with proactive and practical mental health services. Through our digital platform clients can access 1:1 check-ins online courses articles videos group sessions mindfulness practices and a team of committed mental well-being experts. As we believe that mental and physical well-being are deeply connected we have also added Lifestyle Experts to our offering focusing on nutrition exercise and sleep. We offer a truly holistic approach that helps people take ownership of their health. Were proud to work with forward-thinking organizations and are committed to raising the bar on accessible care.

OpenUp was ranked in the Top 3 on LinkedIns Top Startups list for& 2025 and is continuously growing. We are expanding our international teams and we are searching for like-minded talent. We are already serving 2000 companies (e.g. Rituals Deloitte Decathlon KPMG and McDonalds) through which 600K employees have access to our product.

About the role

As a full stack software developer at OpenUp you will be a key member of our tech and product team. Besides writing clean and practical code you will also mentor other team members make key architectural decisions assist our tech lead with hiring collaborate with 3rd parties and most importantly work together with the team to develop our mental health platform.

Our tech stack: .NET 8 SQL Server React Azure

About you

OpenUp loves people. We hope you do too. You enjoy working with people and you like to work in a team. You are enthusiastic about mental health which is a topic as normal as going to the gym. Your motto is: you can learn from setbacks and you should celebrate success! Next to that:

• You are an experienced software developer with a strong track record in contributing to innovative projects.
• You have a bachelors degree in computer science or a similar education.
• You have 5 years experience working with backend APIs
• You have 2 years experience working with React /Angular/Vue.
• You have experience with devops.
• Experience with Tailwind/shadcn and Storybook is a plus.
• You communicate well and enjoy mentoring more junior colleagues.
• You like to come up with creative yet pragmatic solutions to complex problems.
• You get positive energy from the dynamics of a scale-up environment.
• You have knowledge of application design architecture and common design patterns.
• You have knowledge of unit/integration/E2E testing.

What you can expect

Joining OpenUp means being part of a fast-growing company thats doing something meaningful. Youll work with a diverse and international team. We like to have fun together with a lot of team building activities like our weekly borrels and after work sport classes the yearly ski-trip and our Padel tournament. Which makes our work fun challenging and dynamic. Apart from this we offer:

• 1500 annual personal development budget
• ClassPass: OpenUp contributes towards your classpass membership
• Monthly home internet/phone contribution (50EUR)
• Daily healthy and vegetarian lunch at our office.
• Regular office yoga meditation classes or breathing exercises
• Flexible work model (hybrid and options for remote work).
• Monthly drinks and company wide summer fest and other fun activities.
• 27.5 vacation days per year.
• Free and unlimited access for you and your family to all our products including our psychologists.

Next steps

Excited about this role at OpenUp We love to learn more about you. Send us your application through our website and we will be in touch with you soon. Do you have any questions Let us know right away and reach out to Ashish.

John Gibson - Team Lead
Email:

At OpenUp everyone is welcome to apply - regardless of color age gender nationality or any other label. Our hiring decisions are based on indiscriminate objective measures. We embrace what makes you unique and we believe that a diverse team is crucial to success. If you are ready to OpenUp join us!

We may use artificial intelligence (AI) tools to streamline parts of our recruitment process. These tools assist our recruitment team but do not replace human judgement. All hiring decisions are made by humans. If you would like more information about how we use AI in the process please contact us.