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Hi, I am Arjen

Arjen Stens

Freelance .NET Software Engineer

I am a passionate software engineer with 6 years of working experience. I worked on the intersection between Cloud infrastucture and the software developed on top. I also helped design and build scalable solutions using microservices.

Could you use some help in these areas and need someone who can translate complex technical processes into more accessible language for better decision-making? Then I might be the right person for you! Let’s get in touch and see what’s possible!

Team Work




Sept 2019 - May 2022, Zwolle

Wehkamp is a leading player on the Dutch e-commerce market with more than half a million daily visitors and 11 million parcels shipped every year.

Back-end Software Engineer - Checkout

Jan 2020 - May 2022

  • Maintining checkout/payment flows on the Wehkamp website.
  • Integrating new payment-methods and Payment Service Providers.
  • Redesigning payment flows for higher scalability and obeservability.
Cloud Platform Engineer

Feb 2020 - Dec 2021

  • Develop internal tooling supporting the product development teams.
  • Bridge the gap between Cloud Infrastructure and Software Development.
  • Maintain and extend functionality of Wehkamp’s own microservice-platform.
Graduation Internship Software Engineering

Sept 2019 - Jan 2020

  • Automate provisioning of new (AWS) infrastructure components.
  • Create new infrastructure using Infrastucture as Code (Terraform).
  • Providing end-users with feedback on processes running in different execution environments.

Software Engineer

Aug 2016 - Aug 2019, Zwolle

RYSST is a start-up that brings together students into self-managing Scrum teams to build solutions for companies.

  • Extend and maintain integrations on ESB systems. (Unit4)
  • Design and build Symfony REST API. (Unit4)
  • Design and build system for managing all customer email-subscriptions & integrate with email-marketing software. (Wehkamp)
  • Automate product onboarding by gathering, classifying and sorting product images from suppliers. (Wehkamp)

Internship on Remote Monitoring of Customer ESB's

Apr 2017 - Jun 2017, Hengelo

Unit4 is an enterprise software suite, including finance management, accounting, ERP, FP&A, HCM, and talent management modules.

  • Monitor ESB systems at different (physical) locations.
  • Notify support on potential issues and track progress.


January 2018 - June 2018
Computer Science, Student Exchange Program
B.Sc. in Computer Science & Engineering


Arduino Timer Library
Arduino Timer Library
Creator 2017 - 2019

A C++ library for Arduino that helped me to dynamically set and change timed behaviours during runtime.

Arduino Dynamic String Library
Arduino Dynamic String Library
Creator 2019 - 2020

This library was written to accommodate a need for a string class but without the (memory) disadvantages that regular std::string brings on Arduino. The StackString object can hold different sized strings of which only the maximum size is defined at compile-time.


Winning Hackathon Independer