About

Martijn Pieters is a highly experienced Principal Software Engineer and Software Architect with over two decades of experience in software development. He is currently working as a Principal Software Engineer at swvl, where he is responsible for designing and developing scalable web applications. Martijn has a wealth of expertise in Open Source software and is ranked #1 for Python answers on Stack Overflow, #9 overall. He is also a Python mentor and has helped numerous clients with their Python development, software development, and mentoring needs. He offers 1-on-1 consulting, code reviews, and training through his own site and CodeMentor.io. In his previous role as an Open Source Consultant at zopatista, Martijn worked with clients to solve their performance problems and deep Python, Flask, Plone, or Zope technical issues. He also architected a scalable machine learning production pipeline, built a high-performance real-time data gathering platform for a data-driven SaaS site in the music business, and created an API-driven publishing site with Flask, SQLAlchemy, and Memcached on top of Google App Engine and CloudSQL, serving 17 million pageviews per month with 94% cache efficiency, to millions of unique visitors. He cleared several performance bottlenecks in Mercurial for large-scale deployments. Martijn also worked as a Senior Software Engineer at Facebook, where he was part of the Source Control team responsible for making Mercurial scale and maintain the repositories that back Facebook's website and mobile apps. He was also part of the cross-company Python Foundation team, supporting the Python language throughout the company, and helped set up the Facebook Open Source Mentorship program, where he mentored several students to become Open Source contributors. Martijn holds an MSc in IT from the University of Liverpool and a degree in Computer Science from Delft Technical University. His technical skills include Software Engineering, Python, Flask, Frontend, Web, and Mobile development. With 21.46 years of relevant experience, Martijn is a highly skilled and knowledgeable software engineer and architect.