Professional work experience

Freelance

08/2021 - present ~ Software engineer, freelance

I currenly work as a freelance software engineer. A dedicated page for which can be found here.

Companion Group Ltd.

04/2024 - present ~ Tech lead position (full-time) for [AAA]

Details will be added in due time.

08/2023 - 03/2024 ~ Senior game backend engineer (full-time) for [AAA, Amazon Games, unannounced]

  • Containerization of game servers and integration with CI/CD (Docker, GitLab)
  • Development of custom game server orchestration solution (C# .NET 6, Serverless (SAM), DynamoDB)
  • Integration of game server orchestration into game server code (C++/Unreal Engine)
  • Set-up of game server infrastructure (Terraform, AWS)
  • Prototype of real-time back-end service to game server communication (MQTT, C++/Unreal Engine)
  • Integration of Amazon GameLift into custom Online Subsystem (AWS, C++/Unreal Engine)
  • Development of API server between players and GameLift (Golang, JWT, JWK, Kubernetes, Helm)
  • Game server deployment automation (AWS, GitLab, Scripting)

08/2023 - 04/2024 ~ Development lead (part-time) for prototype of [unannounced co-op game]

  • Initial set-up of prototype in Unreal Engine 5.2
  • Development of proof-of-concept of TeamManager subystem (C++/Unreal Engine)
  • Configuration of game replication set-up for multiplayer elements
  • Creation of various game elements and levels (Unreal Engine Blueprints)
  • Involved with technical oversight and support, advice for production version of game

01/2023 - 08/2023 ~ Online game client engineer for VAIL VR (AEXLAB)

  • Migrating to Armada game server orchestration; client, server and CI/CD side implementation
  • Implementation of various SDKs into game client and server code (C++/Unreal Engine)
  • Guiding adoption and implementation of AccelByte services into the game (C++/Unreal Engine)
  • Zero-downtime migration of PlayFab to AccelByte for authentication and entitlements (Golang)
  • Creation of custom game modules, RPC calls and tackling technical debt (C++/Unreal Engine)
  • Implemented game server player progression: stats tracking/uploads, MMR, rewards (C++)
  • Development lead for server browser, matchmaking, player progression and marketplace

01/2023 - present ~ Website developer

  • Built company website companiongroup.io, (Next.JS/React, Typescript, SCSS)
  • Automatic deployment set-up (GitHub Actions, Vercel)
  • Maintenance and updates of dependencies
  • Occasional small edits or new features

CoolGames B.V.

05/2022 - 10/2022 ~ Software and data engineer

  • Responsible for migrating data for millions of players from multiple games to a new system
  • Building custom export module into SaaS platform Gamesparks to save data to record server
  • Building custom import module into CoolGames’ Nakama setup to consume data from record server
  • Working with other teams to make sure there is no user impact after the migration
  • Heavy use of PostgreSQL’s JSON(B) for performance and limiting possible downtime
  • Work on multiple applications, using Golang and Typescript/Deno
  • Involved with DevOps/SRE improvements (Docker, Terraform, Ansible, AWS)

Bytecode Digital Agency B.V.

08/2021 - 02/2022 ~ Co-founder and techlead, part-time

In August 2021, I announced my exit from Bytecode. As part of my exit, I have continued working for Bytecode part-time, to finish up loose ends and transfer knowledge to other team members.

05/2018 - 08/2021 ~ Co-founder and techlead

  • Team of 6 people, with expertise in development, design, sales and marketing
  • Development of custom software, mostly web/mobile applications with backed by an API server
  • Setting up infrastructure (internally and for clients), provisioning and security hardening
  • Developing internal tooling to make the software development process more efficient
  • Automating manual tasks to reduce the amount of toil involved in the development process
  • Leading client software projects on both front- and back-end and software consultancy
  • Involved in multiple startup, including partnerships and investments

VNG Realisering, Team NLX

08/2021 - 12/2021 ~ Senior software engineer

  • Open-source public project share data between organisations in a safe and privacy-proof way
  • Hands-on development on the back-end (Go), front-end (React) and SRE (Kubernetes, Helm)
  • Improvements in development and build setup to improve development experience and speed
  • Implementation of custom network logic based on gRPC, including security and encryption
  • Advisory role on technical improvements for the codebase for long-term roadmap
  • Introduced Typescript into the React codebase and build systems
  • Providing React and Typescript training to back-end developers
  • Part of the contributions are public on GitLab

Airchip B.V.

02/2021 - 11/2021 ~ CTO, ad interim

  • Startup to revolutionize digital ordering of drinks at festivals, even without internet connection
  • Hands-on development for the backend application (Golang) and admin applications (Vue, Javascript)
  • Responsible for the site reliability engineering and automation (Kubernetes, Go, Gitlab)
  • Advisory role for the three native applications (Kotlin, Swift) and the BLE-protocol
  • Leading role in the implementation of new working methodologies and development guidelines
  • Advisory role on how to tackle the existing technical debt
  • Responsible for selecting/screening new developers and onboarding them

Dearly B.V.

06/2020 - 11/2021 ~ Partner and techlead (part-time)

  • Startup for supporting mourners cope with their losses through various ways, investor through Bytecode
  • Development of the custom backend application, written in Go, with PostgreSQL database
  • Leading development of the mobile application in React/Typescript/Expo
  • Software architecture and infrastructure setup, deployment automation
  • Advisor for technical decisions and determining the feature roadmap

Youngpwr B.V.

02/2020 - 08/2021 ~ Partner and techlead (part-time)

  • Startup for helping young people to further develop their entrepreneurial side, investor through Bytecode
  • Development of custom backend application in Go and CMS
  • Leading development of the frontend application in React/Typescript/NextJS
  • Software architecture and infrastructure setup, deployment automation
  • Part of the management team (MT) and advisor for technical decisions

Eneco / Dept Agency

05/2019 - 03/2020 ~ Software engineer, ad interim

  • Leading frontend developer for De Omschakelaar project at Eneco, via Dept Agency
  • Front-end development in React/Typescript with Redux connected to .NET Core for data fetching/saving
  • Creating code generation tools to convert different data formats to JSON to be used for calculations
  • Using automation to speed up the development process
  • Creation of tooling to better tackle existing technical debt

Stager Software

12/2017 - 05/2018 ~ Full-stack software engineer

  • Team with 9 people (4 developers), using SCRUM
  • Working on the Stager ticketing software, built using Java Play! and ReactJS
  • Development of custom email builder using ReactJS, Java Play! and AWS
  • Integration of custom email builder within the rest of the application
  • Email templating solution based on MJML

Nooijen Web Solutions

05/2015 - 05/2018 ~ Owner, founder and developer

  • Team with 4 people, working in a SCRUM-like manner
  • Development of websites and web applications
  • Server administration and maintenance
  • Involved in sales, marketing, project management and administrative tasks
  • Discontinued at the start of Bytecode

Chemiewinkel.com

07/2014 - 12/2018 ~ Owner and founder

  • Started out of a love for chemistry to support hobby chemists getting started
  • Development of the webshop using WordPress/WooCommerce with custom additions
  • Running and maintaining the webshop on all aspects (including administrative tasks)
  • Marketing-related activities to promote the webshop and generate inbound traffic
  • Discontinued so I could fully focus on Bytecode

Volunteer experience

Bookclub Philosophy

06-2021 - present ~ Reading group leader and moderator

Leading the reading groups on Stoicism, Aristotle and general book discussion group.

Other resonsibilities include Discord server administration, development and maintenance of the custom-made bot, helping out new members and automating tasks.

Gaga Animal Care

04/2017 - present ~ Treasurer and webmaster

Volunteer for the dog shelter in Greece. Involved with planning and executing multiple neutering programs each year. Other responsibilities include website creation and maintenance, supervising the administration and financial tasks.

Pijnackerse Watervienden

2013 - 2015 ~ Swimming tutor assistant

Leading and assisting swimming lessons for young children.

Atlas Animal Project

10/2013 - 12/2015 ~ Volunteer and assisting where needed

Occasionally assisting Atlas-representative(s), usually at Schiphol airport with dogs that arrived or collecting dog benches and returning them to Kos via cargo.

Animal Rescue Kos

03/2013 ~ Documentary director

Assisting volunteers living on Kos and filming the activities. After filming I edited, released and promoted the film. Finished documentary: bit.ly/arkfilm or bit.ly/arkfilmgermany