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Senior Developer

Posted 27 Jan 2026
Share:
Work experience
8 to 12 years
Full-time / part-time
Part-time
Job function
Degree level
Required language
English (Fluent)

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Join us in shaping the future of SaaS

At Virtual Vaults, we’re passionate about dealmaking, revolutionising the way businesses operate with our secure SaaS solutions. Our products empower organisations to work smarter, close deals faster, and achieve their goals. With 75+ colleagues and clients worldwide, we are a fast-growing scale-up with a vibrant, collaborative culture where creativity, continuous learning, and ownership are valued.

About the role

Senior Developer

Your mission as a senior Developer

As a senior Developer in the Workspaces team, you are responsible for implementing and maintaining end-to-end functionality in our platform. You work together with your team to design and build secure, scalable, and performing solutions. As a senior, you will also mentor other team members.

What you will do:

  • Design and develop secure scalable software.
  • Build and maintain back end and front applications as well as Infrastructure as Code.
  • Define and communicate technical and functional requirements.
  • Contribute to overall application architecture.
  • Present features to team and during product demos.
  • Take shared ownership within the team.
  • Coach other team members.
  • Participate in incident response, RCAs and Risk assessments.

Your profile:

  • Bachelor’s or Master’s in Computer Science, Software Engineering or a related field.
  • 8+ years of professional development experience in C#.
  • Experienced in Angular / TypeScript.
  • Profound knowledge of Azure/Cloud PaaS and containers (AZ-204 is a plus).
  • Hands on experience with Azure Service bus or other messaging solutions.
  • Security-first mindset.
  • Strong analytical mindset and eye for detail.
  • Proactive, curious and responsible.
  • Enjoys sharing knowledge.
  • Fluent in English, Dutch is a plus.
  • Available for hybrid working: 3 days in our office, 2 days from home (fully remote is not an option).

Why Virtual Vaults?

  • A competitive salary based on skills and experience.
  • 25 vacation days plus 2 additional days.
  • 100% pension contribution paid by Virtual Vaults.
  • Training budget to support your growth and development.
  • Internal security training (learn ethical hacking to protect our SaaS products).
  • Open, flat, and collaborative culture.
  • Fresh daily lunches and park walks near our office.
  • Great company outings and events.
  • Virtual Vaults devices and home office budget.
  • Travel compensation.

Why join us?

At Virtual Vaults, your ideas are valued, and your work will directly impact thousands of professionals worldwide. We are a place where quality leads the way; growth and learning are prioritized, and your curiosity is encouraged.

Virtual Vaults is een software bedrijf dat is ontstaan uit een combinatie van M&A en Tech. We zijn een jong en snelgroeiend bedrijf dat is opgericht in 2014. Met een frisse blik proberen wij complexe zaken binnen de M&A wereld eenvoudiger te maken met ons online dealplatform. We werken in een serieuze wereld en gaan daarom professioneel te werk. Wij zijn een enthousiast, ambitieus en internationaal georiënteerd team en staan altijd open voor nieuwe uitdagingen.

IT
Rotterdam
Active in 3 countries
60 employees
50% men - 50% women
Average age is 32 years