Rick van Hattem

Rick van Hattem

Mentor
5.0
(33 reviews)
US$60.00
For every 15 mins
39
Sessions/Jobs
ABOUT ME
Accomplished author, problem-solving expert, and top Python & Postgres contributor with extensive scaling and consulting background
Accomplished author, problem-solving expert, and top Python & Postgres contributor with extensive scaling and consulting background

Author of Mastering Python
I am the author of "Mastering Python" and "Mastering Python Second Edition", comprehensive books designed to empower advanced Python programmers with the knowledge they need to achieve mastery in the language.
https://www.amazon.com/Mastering-Python-powerful-efficient-capabilities/dp/1800207727

Problem-Solving Expertise
I offer a unique "no cure, no pay" approach to addressing specific issues. I am selective in the problems I take on, ensuring that I can deliver effective solutions within a short timeframe. Feel free to approach me for assistance, and I'm always eager to provide advice.

Entrepreneurial Experience
With over 15 years of experience, I have initiated and led multiple successful ventures. My contributions on Stack Overflow have positively impacted around 14 million individuals, and my expertise has earned me a reputation as a top Python contributor, accumulating approximately 80,000 points.

Focus and Accomplishments
My primary focus lies in scaling extensive infrastructures and websites to accommodate millions of users, a feat I notably achieved with my recent startup, fashiolista.com. Over the years, I have offered consultation services to individuals and companies, tackling a range of programming, database administration, and systems administration challenges.

Broad Technical Proficiency
While my profile highlights my core areas of expertise, I possess extensive experience across various technologies. Please feel free to reach out for guidance on any subject.

Thank you for considering my credentials. I look forward to potential opportunities for collaboration and sharing my insights.

Dutch, English
Amsterdam (+02:00)
Joined April 2015
EXPERTISE
20 years experience | 2 endorsements
Python has been my language of choice for a long time, I've used it for scientific research, to start companies and to help people all ar...
Python has been my language of choice for a long time, I've used it for scientific research, to start companies and to help people all around the globe with my many open source programs, libraries and scripts. In addition to that I'm one of the top Stackoverflow contributors and definitely in the top 10 for the Netherlands.
18 years experience | 4 endorsements
I have been an avid user of Postgres since version 7.4 and very experienced in scaling Postgres systems to millions of users. I have done...
I have been an avid user of Postgres since version 7.4 and very experienced in scaling Postgres systems to millions of users. I have done consulting for several large companies while working for 2ndQuadrant and reviewed a few Postgres books as well.
25 years experience
25+ years experience with Linux, 25+ years experience with programming. Experienced with scaling systems with high traffic (millions of u...
25+ years experience with Linux, 25+ years experience with programming. Experienced with scaling systems with high traffic (millions of users) and/or large amounts of data.

REVIEWS FROM CLIENTS

5.0
(33 reviews)
Asle Benoni
Asle Benoni
July 2020
Throw anything at Rick and he can fix it! Always such a pleasure to work with!
Asle Benoni
Asle Benoni
January 2019
Rick has helped me out with issues related to postgresql, geoserver, postgis, php, imagemagick, homebrew on OS X and everything related to running web services on OS X. It seems he can solve anything!. He works fast and dedicated and is a pleasure to work with. Always fast response when I have issues. Best value for money I have got on Codementor!
Ahmed
Ahmed
November 2016
It's a pleasure working with Rick. He is very skilled and experienced and managed to come up with beautiful solutions to my problem.
Adam Derewecki
Adam Derewecki
October 2016
Rick has expert level knowledge of Postgres performance. I highly recommend him!
Ethan
Ethan
January 2016
Again, Rick is incredibly fast, fundamentally understands how servers and Django functions and is pleasant to work with. He's been incredibly helpful and makes great recommendations.
Ethan
Ethan
January 2016
Rick was wonderful to work with. He saved me hours and hours of time in just a few minutes. Wish I would have messaged him earlier!
Scott McCallum
Scott McCallum
August 2015
went the extra miles to compile and package the Lupa extension for Windows. A+++
Scott McCallum
Scott McCallum
August 2015
very knowledgeable in python, flask and celery. look forward to working with him again.
Anna
Anna
July 2015
RICK IS THE BEST!!!!!!!!!
Francesca
Francesca
July 2015
This mentor really helped me overcome problems with Python. He also helped me improve my skills by explaining exactly what he was executing. A great mentor all round.