KHIN SABAE HAN
SENIOR SOFTWARE DEVELOPER
Brooklyn, New York | - |-https://www.linkedin.com/in/khinsabaehan/
Senior Software Developer with over 9 years of experience in web development using Java, ASP.NET, C#, and
SQL. Expertise in the full software development lifecycle, delivering high-quality solutions in both Agile and
Waterfall environments. Proven track record of developing impactful applications across industries such as Order
Management, Finance, and Logistics in Japan. Skilled in cross-functional collaboration, problem-solving, and
optimizing team productivity to build efficient, secure, and scalable software solutions.
Technology Skill
Languages: Java, C#, Asp.Net, Shell Script
Frontend Technologies: HTML5, CSS3, JavaScript, TypeScript, React JS, JQuery, Ajax
Backend Technologies: Spring Boot
Web Services: Rest APIs, JSON
Web/App Servers: Apache Tomcat
Frameworks: Spring, Struts, Hibernate
Databases: PostgreSQL, MySQL, Oracle 11g, Oracle 12c
Software Test: JUnit
Design Patterns: MVC
Software Development Life Cycle: Agile Methodologies, Waterfall Methodologies
Tools (CI/CD, Development Tools, Build Tools): Visual Studio, FileNet, GitHub Action, Git Version Control, VS
Code, Eclipse, Maven, TeraTerm(SSH), TortoiseSVN, JP1/Integrated Management
Platforms: Linux, Mac OS, Windows, Amazon Web Services (AWS) – S3
Experience
Freelance, Senior Software Developer
07/2023 – present
Project Name: Online E-learning System
Develop a user-friendly web application providing free access to downloadable educational eBooks for
non-member users.
Design and implement a membership system enabling member students to engage with lessons and quizzes
for deeper learning.
Providing guidance to young IT professionals in Myanmar, focusing on Java and career development.
Technologies: Java, Spring framework, Oracle, Git, React JS, Bootstrap5, CSS
Skill ware Co., LTD - Tokyo, Japan | Senior Software Engineer
Project Name: Micro Market Sales Management System
06/2022 - 04/2023
Engineered a robust database architecture in collaboration with the Project Manager, integrating product
and pricing data from the warehouse with 100+ vending machines in Tokyo using MQTT protocol and
MySQL.
Developed and maintained the front-end and back-end of 10 web pages within a web application using
HTML, JavaScript, CSS, and AWS S3, facilitating real-time system interactions.
Implemented data collection processes with the Contineo Framework to capture key sales metrics (price,
units, machine location) and publish sales data back to the warehouse.
Authored a comprehensive 20-page user manual to support local market operations, ensuring a successful
launch of vending machines in Japan.
Technologies: HTML, JavaScript, CSS, MQTT protocol, MySQL, Contineo Framework, AWS S3 Bucket.
Persol Technology Staff Co., LTD - Tokyo, Japan | Senior Software Engineer
Project Name: FileNet Image Services System
03/2020 - 05/2022
Implemented testing frameworks and created executable procedures with detailed logging using Linux
commands.
Developed scripts to facilitate seamless movement of image storage areas within the FileNet system.
Created the release preparation and conducted thorough post-release testing. (release work is performed by
professionals)
Technologies: Shell Script, Oracle 12c, Visual Studio Code, JP1/Integrated Management, Tera Term (SSH),
FileNet, Linux
Project Name: Music Booking System for Concerts
Developed design modifications, function development, and unit testing for an existing system.
Created REST controllers to process each request and response JSON for new enhancement.
After getting JSON showing front end with React JS, Bootstrap5 and CSS.
Implementation of the detailed design documents and errors investigation and extracting the logs file using
Linux commands.
Technologies: Java, JavaScript, jQuery, React JS, Oracle, Spring Framework, Eclipse, SVN
Nihon ITDJ Co., LTD - Tokyo, Japan | Software Engineer
11/2014 - 12/2019
Developed six full-stack web applications using Java, C#, and ASP.NET, ensuring scalable, highperformance solutions for diverse business needs.
Resolved the errors in the Order Management System of a distribution management platform by debugging,
analyzing log files, and reduce database loading time.
Migrated an existing Face Recognition System codebase from Java to C#, improving performance and
maintainability while designing and implementing new functionalities to automate gate access decisions in
an airport customer scanning system.
Facilitated collaboration between development teams in Japan and Myanmar as a bridge engineer,
coordinating directly with clients to align technical solutions with business needs.
Technologies: Java, C#, Oracle 11g, SQL server, Spring, Struts, JUnit, PL/SQL, HTML, CSS, JavaScript, jQuery,
Ajax, Neosarf, SDE, Tomcat, Visual Studio
2014 - 2019 Projects
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Distribution Management System
Face Recognition System
Debt Collection System
Application Form Issuing System
Hotel Reservation System
Management of Pharmaceutical Plants System
Education
University of Computer Studies, Yangon, Myanmar
Master of Science in Computer Science (Thesis)
12/2010 – 10/2012
University of Computer Studies, Yangon, Myanmar
Bachelor of Science in Computer Science (Honors)
12/2009 – 11/2010
University of Computer Studies, Yangon, Myanmar
Bachelor of Science in Computer Science
12/2006 – 11/2009
Diploma of MS .NET Programming (IMCEITS)
05/2012 – 10/2012
