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Professional identity

Tim Hummelink

Product Engineer and Software Developer with a background that bridges hands-on industry experience and modern software development across C#, Azure, API design, UX, and product thinking.

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Mode
Professional
Current role
Product Engineer
Location
Groenlo, Gelderland
Portrait of Tim Hummelink
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Professional profile

Profile

API and integration focus

Strong focus on building and documenting integrations, backend endpoints, and reliable data flows across systems.

From industry to software

A career path that combines hands-on operational experience with a successful transition into modern software engineering.

Product-minded development

Increasing focus on design, UX, API design, and product development on top of a solid backend foundation.

Experience timeline

Experience

  1. Feb 2025 – Present

    Product Engineer / Software Developer

    OrderChief

    Responsible for designing and delivering product features for the OrderChief customer portal. Creates functional designs and translates them into visual flows in Figma, defines and documents backend APIs in OpenAPI, and develops the related C# endpoints in an Azure environment. Works at the intersection of product, design, and development to deliver scalable and user-friendly solutions.

    • C#
    • Azure
    • OpenAPI
    • Figma
    • UX
    • Product development

  2. Nov 2024 – Jan 2025

    Back End Developer

    OrderChief

    Developed and maintained scalable integrations between e-commerce platforms and business systems for B2B organizations. Focused on reliable data flows for orders, inventory, logistics, and EDI message exchange within a microservices architecture on the Azure stack.

    • Back end
    • Integrations
    • Microservices
    • EDI
    • Azure
    • C#

  3. Feb 2019 – Nov 2024

    Software Engineer

    PinkRoccade Healthcare

    Worked in Delphi on the application server for the mijnCaress backoffice suite, handling SOAP and REST APIs. Contributed to maintenance, modernization, and further development of the application server, API endpoints, and the mijnCaress Basis backoffice application, including functionality tied to healthcare legislation and regulations such as iWMO, iJW, and iWLZ.

    • Delphi
    • SOAP
    • REST APIs
    • Healthcare
    • Modernization

  4. Jul 2018 – Dec 2018

    Full-stack Developer

    Ubiqum Code Academy

    Completed an intensive coding bootcamp in an Agile environment with projects across multiple technologies, including HTML5, CSS3, JavaScript, jQuery, Vue.js, Java, Spring, Firebase, Gradle, RESTful services, JSON, and live data APIs.

    • JavaScript
    • Vue.js
    • Java
    • Spring
    • Firebase
    • Bootcamp

  5. Feb 2007 – Apr 2018

    CNC Operator / Programmer · Allrounder

    Arco

    Built a strong foundation in precision, process optimization, and problem solving through more than 11 years in the furniture industry. Worked with CNC programming, tool management, machine maintenance, repairs, quality control, and production support before transitioning into software development.

    • CNC
    • Programming
    • Process optimization
    • Quality control
    • Problem solving

  6. Mar 2006 – Sep 2006

    Machinaal medewerker

    Timmerfabriek de Rietstap

    Worked as an all-round machine operator in wood processing with responsibilities across machining support, spray department support, and final assembly and quality control.

    • Manufacturing
    • Wood processing
    • Assembly
    • Quality control

Skills & education

Core profile snapshot

Top skills

  • OpenAPI Specification (OAS) 3.2.0
  • Figma
  • C#
  • Azure
  • Delphi
  • Microsoft SQL Server

Languages

  • Dutch
  • English

Certificates & education

  • OptiSec Cyber Security Trainingen — Information Technology certification (2024)
  • Barnsten B.V. / Embarcadero Technology Centre — Delphi certificate (2019)
  • Udemy Academy — JavaScript certificate (2018)
  • Udemy Academy — C# certificates (2017)