SOFTWARE ENGINEER/ JAVA DEVELOPER

Seasoned software developer with more than eight years of professional experience in fast-paced settings. More than ten years working with the Java ecosystem. Committed to providing high-level solutions that drive business. Experience in mentoring and training others on best practices. Skilled in the following technologies-

PROFESSIONAL EXPERIENCE

Loblaw Digital (Toronto, Canada) Digital Rx

Senior Developer | November 2019- Present

• Implemented multi-stage CI/CD pipeline for GraphQL Server
• Implemented rest APIs to be consumed by front-end and mobile of e-commerce platform of Loblaw digital
• Integrated third party rating and comment feed ingestion service in the e-commerce platform
• Implement a schedule for pickup reminders for Digital Pharmacy projects as a part of the online auto-refill process. Ref: https://mypharmacy.shoppersdrugmart.ca/en/
• Improved Performance for pickup reminders job by 400%
• Developed an appointment and notification system for covid vaccination
• Helped to implement a payment solution for Digital Pharmacy where user can put their payment information and ask for an auto-refill.
• Actively involved in interviewing process to the new hires ( conducted more than 30 in last year)

bKash Limited (Dhaka, Bangladesh) Research and Development Department

Senior Lead Engineer | Deputy General Manager | April 2018 - October 2019

• Developed a microservices and AWS based middleware architecture for the largest financial mobile app in Bangladesh (called bKash), which is currently being used by ten million users. Ref: https://play.google.com/store/apps/details?id=com.bKash.customerapp 
• Developed a business mobile application called agent app, which is used to cash in/cash out paper money from the user’s mobile wallet (android). One hundred thousand agent points throughout the country use it. Ref: https://play.google.com/store/apps/details?id=com.bkash.businessapp 
• Helped to optimize the Agent App’s backend API to increase the throughput significantly and reduce the resource usage by 30%
• Developed OAuth2 and JWT based authentication system that serves both in the mobile end and internal microservices that reduces communication to the authentication server by a significant margin.
• Developed an AOP based generic event generation library that collects various events from the application without hurting the business code which makes it easy to write clean code.
• Introduced HTML5 based smaller app inside the mobile app’s WebView, which helped the delivery some significant business-critical application quickly
• Helped the team improving code quality by reviewing other developers’ code and providing feedback
• Mentor junior developers and assist in hiring and other aspects of organizational development
• Helped to develop and document best practices and coding standards for the team
• Conducted many training/technical sessions for new hires and junior developers

Vantage Labs (Dhaka, Bangladesh)

Senior Software Developer | April 2015 ‒March 2018

• Performed a lead developer role to develop a dynamic and sophisticated online registration and payment platform from scratch using Java and AngularJS. The product is used by many high schools in the USA. Ref: http://formreleaf.com/
• Supported and supervised the team technically to follow the best practices and develop a more sustainable and maintainable solution.
• Conducted many interviews to find new recruits

Therap (BD) Ltd. (Dhaka, Bangladesh)

Software Engineer (Java) | December 2012 ‒ March 2015

• Worked on developing ISP (Individual Service Plan) mobile application, starting from the development of the first prototype and bringing it to a mature, finished product
• Participated in developing and maintaining a case management system with an incident reporting application that is used in North Dakota, USA
• Involved in the development of an internet platform for learning and software development competition called “Therap Java Fest”

Institute of Information Technology, University of Dhaka Dhaka, Bangladesh

Guest Faculty | January 2012 ‒December 2014

• Worked as a guest lecturer, teaching Object-Oriented Programming, Java, and other related technologies

EDUCATION

Bachelor of Information Technology (Major in Software Engineering) 

Institute of Information Technology, University of Dhaka-  Bangladesh (2012)

MISCELLANEOUS

• Received maximum points (5 out of 5) on my last appraisal and got promoted within one year which is very unusual in my last company
• Authored three books on java programming in Bengali (Java Programming, Java Thread Programming, Advanced Java Programming), one of them was on the bestseller list in Bangladesh
• Founded a Java User Group called JUGBD (https://jugbd.org, https://www.meetup.com/jug-bd)
• I was named Most Valuable Blogger (MVP) at DZone, one of the most recognized technology publishers in the world. I was also the winner of two articles writing contests organized by DZone). Ref: https://dzone.com/users/1298119/bazlur_rahman.html
• Conducted many technical workshops (ref: http://sites.ieee.org/sb-udhaka-cs/past-events/, https://www.thedailystar.net/shout/news/iit-du-organises-workshop-devops-1783438 
• Volunteered in developing software for local cause (http://mnetservices.com, mNetServices is an open-source case management system, which is being used by the National Institute of Burn and Plastic Surgery, Dhaka Medical College Hospital, Bangladesh)
• I have joined the AdoptOpenJDK project and started contributing.

Ref: https://github.com/AdoptOpenJDK/jheappo