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Daniël Brekelmans

Freelance Software Professional
Rotterdam, the Netherlands
linkedin.com/in/dbrekelmans
dabrekelmans@gmail.com

Work Experience

Freelance Software Professional

Questline Solutions

Oct 2024 - Current
  • Advised as technical consultant on procurement of ticketing and planning software (Port of Rotterdam)
  • Contributed to complex internal tools for the automotive branch (Syntec-IT)
  • Managed and contributed to upgrade of legacy codebase to modern standards (Factua)

Head of Engineering

Jun 2023 - Oct 2024
  • Led a team of 17 software engineers, including three technical leads
  • Introduced feedback cycles, 1-on-1s and a competency framework to the team to facilitate personal growth and career development
  • Introduced milestone documents to create a shared understanding of work between different stakeholders
  • Mentored technical leads on the day-to-day challenges of leading a team
  • Bridged the gap between business (clients & executives) and engineering
  • Jumped in as temporary technical lead for projects that required support

Typescript, NestJS, Jest, GraphQL, React, Next.js, TailwindCSS, Supabase, Vercel, PHP, PHPUnit, PHPStan, MySQL, PostgreSQL, Docker, CI

Technical Lead

Feb 2022 - Jun 2023
  • Simultaneously led two product development teams with a total of nine team members for two separate clients
  • Managed all priorities, deliveries and communications in one product team in the absence of a product manager
  • Delivered automated testing talks and workshops to upskill the team
  • Became proficient with Typescript and NestJS within the first month without prior experience in either

Typescript, NestJS, Jest, GraphQL, React, Next.js, TailwindCSS, Supabase, Vercel, PHP, PHPUnit, PHPStan, MySQL, PostgreSQL, Docker, CI

Technical Lead

Sep 2020 - Feb 2022
  • Led a team of six software engineers in day-to-day product development
  • Co-led the full team of 14 software engineers in software architecture, systems design, automated testing and DevOps
  • Contributed to the movement of the company’s traditional view on software to a more product oriented view
  • Upgraded business-critical legacy PHP5.2 application with custom autoloader to modern PHP8.0 symfony application

PHP, PHPUnit, PHPStan, Symfony, Twig, Docker, CI, MySQL

Software Engineer

Sep 2018 - Sep 2020
  • Displayed fastest growth and became a top performer on the team within my first year
  • Initiated and championed the rollout of automated static analysis tools to improve the code quality of the team
  • Reduced the synchronization time from end-user applications to COBOL back-office from 24 hours to <1 minute

PHP, PHPUnit, PHPStan, Symfony, Twig, Docker, CI, MySQL

Back-End Developer

Jun 2016 - Oct 2018
  • Delivered technical support for three clients simultaneously
  • Contributed to introducing strong communication habits in client-facing teams
  • Initiated and championed the introduction of automated testing and continuous integration

Magento, Drupal, Wordpress, Docker, CI, Zendesk, MySQL

Developer

Jun 2015 - Jun 2016
  • Launched six new storefronts in one month (part-time) without prior Magento knowledge
  • Automated importing and formatting product information for thousands of products from an undocumented XML API

Magento, Github, MySQL

Hobby Project

Developer

Locate your friends at festivals

Jan 2024 - Aug 2024
  • Learned the ins and outs of mobile app development
  • Built a working proof-of-concept, tested in the real-world with alpha testing group
  • Learned basic design principles and figma

React-native, Typescript, Expo, Supabase, PostgreSQL, Figma, Nativewind

Open Source

Creator / maintainer

  • 93 github stars, 140 thousand installs per month, 2.8 million installs in total (link)
  • Recommended in official symfony/panther documentation (link)
  • Includes composer-installable zero-dependency PHAR companion (link)

Maintainer

Jul 2021 - Jun 2022
  • 2.4 thousand github stars, 1.6 million installs per month, 57 million installs in total (link)
  • Championed the release of version 2.0 (link)
  • Upgraded support from PHP 7.x to 8.x (link)

Contributor

Nov 2019 - Jan 2022
  • Fully documented the new ErrorHandler component introduced in symfony 5.0 (link)
  • Made email attachments in the profiler downloadable for easy debugging (link)

Education

Bachelor Informatica

De Haagse Hogeschool

2013 - 2018

vwo

2005 - 2011