K Islam
Senior Software Engineering Consultant at BrainLinks Software Inc.
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolK M Rakibul Islam is a Senior Software Engineering Consultant with over 18 years of programming experience and 13+ years specializing in Ruby on Rails, helping startups and scale-ups design and ship secure, high-performance SaaS and fintech systems. He has architected payment and payroll platforms that process hundreds of millions in monthly transactions and built backend services that deliver billions of notifications, demonstrating strong expertise in scalability, performance tuning, and observability. As a hands-on fractional CTO and mentor, he blends technical strategy with execution—setting up teams, roadmaps, and production-grade infrastructure across Ruby, React, PostgreSQL, Redis, Sidekiq and AWS. A top 1% Stack Overflow contributor with 34k+ reputation and extensive Codementor experience (3,500+ sessions), he pairs deep fundamentals in algorithms and databases with a passion for teaching and open collaboration. Based in Toronto, he frequently partners with YC startups and healthcare innovators to turn prototypes into resilient products and accelerate product-market fit.
11 years of coding experience
15 years of employment as a software developer
Higher Secondary Certificate (HSC) Physics Math Chemistry Biology, Higher Secondary Certificate (HSC) Physics Math Chemistry Biology at Notre Dame CollegeMaster of Engineering (MEng) Computer Engineering, Master of Engineering (MEng) Computer Engineering at University of TorontoBachelor of Science (B.Sc) Computer Science and Engineering, Bachelor of Science (B.Sc) Computer Science and Engineering at Bangladesh University of Engineering and Technology
English, Bengali
Stackoverflow
34,040reputation
4.4mreached
720answers
42questions
rubygems
top-5%
postgresql
top-5%
imagemagick
top-1%
ruby
top-1%
activerecord
top-1%
rspec
top-5%
Github Skills (72)
ruby10
activerecord10
ruby-on-rails10
command-pattern10
service-object10
macos-sierra10
macos10
activemodel10
imagemagick10
rubygems9
decorators9
logic9
shell9
postgresql9
database-connection9
Programming languages (3)
Github contributions (5)
rakibulislam/ECE_1733
Feb 2015 - Mar 2015
Contributions:78 commits, 2 PRs, 5 pushes in 21 days
rakibulislam/OSMNavigator
Nov 2014 - Apr 2016
Contributions:8 commits, 1 push in 1 year 5 months
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