Software Engineer with 5+ years of experience building scalable web applications and intuitive digital experiences using React.js, Next.js, and the MERN stack. Passionate about front-end development, AI-driven solutions, and creating products that combine functionality with seamless user experience. I have worked on award-winning projects across healthcare, education, and tech innovation, including AI-powered safety monitoring systems and impactful social initiatives focused on accessible education. I enjoy turning complex ideas into clean, user-friendly solutions and collaborating with teams that value innovation and meaningful impact. Currently based in Adelaide, Australia, with an international background spanning Bangladesh and Australia, I bring adaptability, strong problem-solving skills, and a user-focused mindset to every project.

Khandaker Sajid Mahmud

Software Engineer with 5+ years of experience building scalable web applications and intuitive digital experiences using React.js, Next.js, and the MERN stack. Passionate about front-end development, AI-driven solutions, and creating products that combine functionality with seamless user experience. I have worked on award-winning projects across healthcare, education, and tech innovation, including AI-powered safety monitoring systems and impactful social initiatives focused on accessible education. I enjoy turning complex ideas into clean, user-friendly solutions and collaborating with teams that value innovation and meaningful impact. Currently based in Adelaide, Australia, with an international background spanning Bangladesh and Australia, I bring adaptability, strong problem-solving skills, and a user-focused mindset to every project.

Available to hire

Software Engineer with 5+ years of experience building scalable web applications and intuitive digital experiences using React.js, Next.js, and the MERN stack. Passionate about front-end development, AI-driven solutions, and creating products that combine functionality with seamless user experience.

I have worked on award-winning projects across healthcare, education, and tech innovation, including AI-powered safety monitoring systems and impactful social initiatives focused on accessible education. I enjoy turning complex ideas into clean, user-friendly solutions and collaborating with teams that value innovation and meaningful impact.

Currently based in Adelaide, Australia, with an international background spanning Bangladesh and Australia, I bring adaptability, strong problem-solving skills, and a user-focused mindset to every project.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Intermediate
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Language

English
Fluent

Work Experience

Junior Software Engineer at Bioforge Health Systems, LTD
October 1, 2018 - January 31, 2021
Developed software for medical devices under Project Icarus, including a low-cost 3D-printed phototherapy light and portable neonatal incubator. Worked on MEAN/MERN stack enhancements, improved project planning and stakeholder communication, and used UML diagrams to improve project clarity and execution.
Software Engineer I at B Lab Limited
January 1, 2021 - May 31, 2022
Developed and deployed two medical software solutions to automate patient admission and discharge workflows using the MERN stack; improved data management efficiency by 85% through scalable architecture; documented progress and specifications; communicated status to stakeholders.
Software Engineer (Frontend Focus) at atB Lab Limited
June 1, 2022 - June 30, 2025
Assisted in delivering three major versions of the flagship service within 11 months; doubled application performance through backend and frontend optimizations; developed a responsive React application with Material-UI and CSS; integrated OpenAI ChatGPT API; collaborated with an offshore team to integrate components with Next.js; contributed to user acquisition and retention through optimizations.

Education

Master of Science in Computer Science at Flinders University
September 1, 2016 - September 1, 2020
Bachelor of Science at Independent University Bangladesh
June 1, 2013 - May 11, 2026

Qualifications

MIT Solve 2020 Global Challenges winner in Maternal and Newborn Health
January 11, 2030 - May 11, 2026
Bill & Melinda Gates Foundation Award
January 11, 2030 - May 11, 2026

Industry Experience

Healthcare, Software & Internet, Education, Other, Non-Profit Organization, Computers & Electronics

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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