Sajjad Umar Lead Backend Engineer, Ruby on Rails Author of Ruby on Rails for Agile Web Development

Open My Story

I’m a seasoned Ruby on Rails backend engineer with extensive experience in developing a wide range of web applications. From complex IoT systems to robust e-commerce platforms, I’ve successfully delivered high-impact projects for clients worldwide. My deep understanding of web development, honed through years of collaboration with diverse teams, ensures that I adhere to industry best practices.

In addition to my technical career, I’m the founder of SUMAR TECH LTD, where we are committed to Driving innovation, for a better tomorrow. This venture allows me to further push the boundaries of technology and innovation.

Beyond my technical expertise, I’m actively involved in the Ruby on Rails community. I manage RubyConf Pakistan, the leading Ruby community in the country, where I connect enthusiasts and professionals to exchange knowledge and insights. I’m also the author of the book [Ruby on Rails for Agile Web De

Open My Book

Discover the power of Ruby on Rails web development framework, through the pages of "Ruby on Rails for Agile Web Development".

This book combines the robustness of Rails with the agility of development methodologies like Scrum and Kanban to help you efficiently build high-performing web applications.

Key Features

• Master Ruby on Rails with practical guidance on Scrum and Kanban.
• Build high-performance, efficient web applications with best practices.
• Advance your web development skills and unlock new career opportunities.
• Test your knowledge with chapter-end quizzes to reinforce learning.

Reviews

Get Your Copy Here

• Amazone: [https://a.co/d/7aAzEbp](https://a.co/

Open My Newsletter

I started Ruby on Rails - Monthly on LinkedIn to provide all the latest news from the Ruby on Rails world to the community free of cost.

And so far, this newsletter has about 3000+ active readers on LinkedIn, and a continuously growing readers base on Medium and Subsctack.

Why Subscribe?

This newsletter provides all the latest news and updates from the Ruby on Rails world in one place.

The goal is to make this “The only Ruby on Rails newsletter you will ever need”.

Subscribe now to get all the updates in your inbox

1. Medium: https://medium.com/@sajjadumar
2. Substack: https://sajjadumar.substack.com
3. LinkedIn: [https://www.

Open Communities I Manage

RubyConf Pakistan represents a Community of Ruby on Rails (ROR) Engineers and Enthusiasts from all over the country coming together to share insights, experiences, tutorials and much more regarding this incredible framework.

Whether you're a seasoned Ruby on Rails engineer, a programming professional, or just a RoR enthusiast, you've likely experienced the 'programming blues'—those moments when you wonder why you didn’t choose business studies instead! Join our exclusive community of RoR enthusiasts and gain access to valuable insights, experiences, tutorials, and opportunities in Pakistan. Say goodbye to the programming blues for good!

Join the community on LinkedIn:

[https://www.linkedin.com/company/rubyconfpk](https://www.linkedin.com/company/rubyconf

Open My Youtube Channel

In my free time, I enjoy sharing my knowledge with others, and one of the ways I do that is through my YouTube channel, Desi Developer.

Subscribe Here

https://www.youtube.com/@desi-dev

Open My Blog

Another way I share my knowledge is through Medium stories, where I post about all the experiments I do with my projects and the lessons I learn along the way.

Read all my stories here: https://medium.com/@sajjadumar

Open I Spoke at Global Ruby on Rails Summit by Geekle.us

Speaker at Global Ruby on Rails Summit 2023 by Geekle.us

Is Ruby on Rails really slow? Not as much as you might think. In fact, 90% of performance issues stem from how the app is structured and from poorly optimized code. In this talk, I discussed how to measure the performance of a Ruby on Rails application, introduced popular monitoring tools to identify performance bottlenecks, and explored optimization techniques to help your app run at full speed.

"How you can build 10X Faster RoR Apps - A guide to performance monitoring and improvement"

You can watch the recordings of this session at my DesiDeveloper YouTube channel here:

[https://www.youtube.com/playlist?list=PLsKigSlBqcFAQ2WbB_h_rHi7dxL8hHFo8 ](ht

Open I Spoke at RubyConf Pakistan

In this session I talked about how you can create you very first Ruby Gem.

Watch recording of the session here: https://youtu.be/x2uBUxkq2aU?si=Pm3Hcy-V3H6Q-dGU

Open Benefits of Having Me in Your Team!

I love receiving feedback from my co-workers and clients — here are some of the ones I truly value! These insights motivate me to continuously improve.

![feedback-11.png](ht