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Jaap Van RooijenJV

Jaap Van Rooijen

Freelance .NET & Cloud Developer | 8+ years

€720/day
Tilburg, NL
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jaap

Freelance .NET & Cloud Developer | 8+ years of experience
I am an enthusiastic developer who not only writes code but also thinks about the bigger picture. With over 8 years of hands-on experience in .NET and Azure, I know what it takes to build software that truly works and scales. With my practical experience, I am technically strong! Additionally, I am strong in collaboration and communication.
Complex challenges? That's where I make a difference, from architectural issues to concrete implementation. Looking for someone to strengthen an existing team or set up a project from scratch? Then you've come to the right place!

Methodology
Agile/Scrum · SAFe · DevOps · CI/CD · TDD · Clean Code · Microservices · Infrastructure as Code · Containerization · REST · gRPC · MQTT · RBAC · End-to-End Encryption
Tech stack
C# & .NET 5+ · Azure · ASP.NET Core · Entity Framework · Bicep & ARM · SQL · Docker · VueJS + TypeScript · xUnit
Certifications
ISTQB Certified Tester Foundation Level · Microsoft Azure AZ-900
  • Dutch

    Native or bilingual

  • English

    Fluent

Can work on-site
Tilburg (up to 50km)

Experience

  • Bosch Security Systems / Keenfinity
    Cloud Backend Software Engineer
    January 2024 - March 2026 (2 years and 2 months)
    Eindhoven, Netherlands
    Responsible for hybrid cloud functionality of the DICENTIS conference system. Focus on scalability, end-to-end encryption, and a stable CI/CD pipeline.
    .NET Core
    • · Bicep
    ◦ · Azure
    ◦ · CI/CD
    ◦ · DevOps
    ◦ · gRPC
    RBAC Entity Framework REST Bicep gRPC
  • InnoTractor B.V.
    Cloud Software Engineer
    May 2023 - January 2024 (8 months)
    Tilburg, Netherlands
    Design and implementation of a SaaS platform for processing IoT data from transport & logistics, focused on a circular economy.
    .NET Core
    • · Entity Framework
    ◦ · Bicep
    ◦ · REST
    ◦ · gRPC
    ◦ · DevOps
  • VDL Enabling Transport Solutions
    Team Lead Software Engineering
    January 2021 - May 2023 (2 years and 4 months)
    Valkenswaard, Netherlands
    Technical lead of a cloud & embedded team. Automated registration and OTA software deployment of microservices. Integration testing from cloud to vehicle controller.
    .NET Core
    • · Entity Framework
    ◦ · Bicep
    ◦ · VueJS
    ◦ · TypeScript
    ◦ · Blazer
    ◦ · CAN-Bus
    ◦ · Git
    ◦ · Atlassian

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Education

  • Automotive Engineer (Bachelor)
    HAN University of Applied Sciences
    2020
    Automotive Engineer (Bachelor
  • Technical Specialist (MBO)
    Summa College
    2015
    Technisch Specialist (MBO)

Skill set

Categories