I am a performance-focused Full Stack Developer with over 15 years of experience designing and delivering enterprise-grade applications across government, education, and corporate sectors. I specialize in Java, Spring Boot, PHP, and modern JavaScript frameworks, with strong skills in DevOps, CI/CD, and Agile leadership. I enjoy building scalable web applications, optimizing their performance, and mentoring development teams. Throughout my career, I have led development teams, managed full software development life cycles, and implemented custom modules and REST APIs integrating with third-party platforms. I am passionate about continuous learning and applying best practices in software development to achieve on-time releases and high code quality.

Rachel N. Samaddar

I am a performance-focused Full Stack Developer with over 15 years of experience designing and delivering enterprise-grade applications across government, education, and corporate sectors. I specialize in Java, Spring Boot, PHP, and modern JavaScript frameworks, with strong skills in DevOps, CI/CD, and Agile leadership. I enjoy building scalable web applications, optimizing their performance, and mentoring development teams. Throughout my career, I have led development teams, managed full software development life cycles, and implemented custom modules and REST APIs integrating with third-party platforms. I am passionate about continuous learning and applying best practices in software development to achieve on-time releases and high code quality.

Available to hire

I am a performance-focused Full Stack Developer with over 15 years of experience designing and delivering enterprise-grade applications across government, education, and corporate sectors. I specialize in Java, Spring Boot, PHP, and modern JavaScript frameworks, with strong skills in DevOps, CI/CD, and Agile leadership. I enjoy building scalable web applications, optimizing their performance, and mentoring development teams.

Throughout my career, I have led development teams, managed full software development life cycles, and implemented custom modules and REST APIs integrating with third-party platforms. I am passionate about continuous learning and applying best practices in software development to achieve on-time releases and high code quality.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Intermediate
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Work Experience

Senior Software Engineer at Department of Administration
May 1, 2016 - Present
Led the development of scalable web solutions using Drupal, PHP, React, and Java/Spring Boot. Architected and implemented custom modules and REST APIs integrated with third-party platforms. Optimized SQL queries and caching mechanisms to improve application response time by up to 40%. Managed full software development life cycle in an Agile environment and collaborated with cross-functional teams to deliver on-time releases. Built CI/CD pipelines using Azure DevOps, reducing deployment times by 60%. Mentored junior developers, improving code quality and productivity.
Graduate Instructional Assistant at Texas State University
December 31, 2015 - September 2, 2025
Taught C++ and Python programming concepts to undergraduate students. Enhanced department website functionality using Python and Django.
Webmaster at The University Star – Texas State University
August 31, 2014 - September 2, 2025
Maintained and upgraded Drupal-based news website by adding new features and layouts.
Senior Software Engineer at Edita
April 30, 2012 - September 2, 2025
Led software development team and gathered requirements directly from clients. Designed and implemented core system modules in PHP and Java.
Senior Software Engineer at Codemate Limited
December 31, 2013 - September 2, 2025
Developed enterprise applications using PHP, Zend, Symfony, Drupal, Java, and Liferay. Automated deployments with Jenkins, improving delivery speed by 50%. Managed SCRUM processes and mentored a team of 8 developers.
Programmer / Software Engineer at ECBB Bangladesh Limited & Kranti Associates Limited
December 31, 2008 - September 2, 2025
Designed and developed web applications using PHP, MySQL, HTML, JavaScript, and AJAX. Built database-driven systems for banking, government, and corporate clients.

Education

M.S. in Computer Science at Texas State University
August 1, 2014 - December 31, 2015
M.Eng. in Computer Science & Engineering at Bangladesh University of Engineering & Technology
January 1, 2012 - December 31, 2013
B.Sc. in Computer Science & Engineering (Summa Cum Laude) at Daffodil International University
January 1, 2003 - December 31, 2006

Qualifications

Zend Certified Engineer - PHP
January 11, 2030 - September 2, 2025
Python for Data Science, AI & Development (Coursera)
January 11, 2030 - September 2, 2025
React Basics (Coursera)
January 11, 2030 - September 2, 2025
A+ Hardware & OS Certification
January 11, 2030 - September 2, 2025

Industry Experience

Government, Education, Professional Services