Mahmud Ridwan hjr265.me / Timeline

2026
2025
Left Hivello
June
Welcomed our second child
May
2024
Started at Hivello
Worked on cross-platform DePIN orchestration, building decentralized infrastructure tooling in Go.
January Toptal
2023
Left Cruise
December
Completed #100DaysToOffload
Completed the blogging challenge, publishing 100 posts in one year.
Started at Cruise
Worked with Cruise's engineering team through Toptal on their autonomous vehicle platform.
January Toptal
2022
Toph processed 10^6 submissions
Toph processed its one millionth submission.
November
Left Deliveroo
September
2021
Hosted Toph’s 400th contest
November
Started at Deliveroo
July Toptal
Left Toptal as Lead Editor for Engineering Blog
May
2020
Became a father
November
2019
Got married
November
2018
Hosted Toph’s 100th contest
February
2016
GopherGala 2016 Finalist (Top 20)
February Papyrus
2015
Started Furqan Software
Founded Furqan Software, a software consultancy and product company based in Dhaka.
September
Hosted Toph’s first public programming contest
Toph's first open programming contest, marking the platform's public debut.
August
Launched Toph
Launched Toph, a competitive programming platform built for Bangladesh.
July
Left Mukto Software
April
Started at Toptal as Editor for Engineering Blog
Joined Toptal's engineering blog as an editor, producing technical content for a global developer audience.
January
2014
Left Mainsocial
November
Started working on Cactus
Built Cactus, an open-source self-hosted contest management system for LAN — a modern alternative to PC^2 and the precursor to Toph.
November
Started at Mainsocial
Worked on a fantasy sports website through my first Toptal engagement.
January Toptal
2013
Started working on CodeMarshal
Led development of CodeMarshal, an online judge platform for competitive programming.
October
2012
Completed B. Sc. in Computer Science
Graduated with a B.Sc. in Computer Science.
December
ACM ICPC 2012 Kanpur Regional
December Rank: 6th
ACM ICPC 2012 Dhaka Regional
December Rank: 8th
Started at Mukto Software
My first local software engineering role, joining a Dhaka-based software company.
September
2011
ACM ICPC 2011 Dhaka Regional
November Rank: 12th
2010
Started freelancing on oDesk
My first professional work, taking on freelance software projects through oDesk (now Upwork).
June
2008
Completed A Level
June
2007
Completed O Level
January