Daniel Sun Email & Phone Number

Cedar Rapids, IA, US

Boston, Massachusetts, US

Charlotte, North Carolina, US

Cedar Rapids, IA, US

Cedar Rapids, Iowa, US

Cedar Rapids, Iowa, US

• Provide full stack development for Advanced Manufacturing and Operations.
• Create proof of concept applications and tools designed to increase productivity and efficiency.
• Conduct research on technology solutions and best use of modern design patterns to fulfill present and future needs of engineers, test technicians and assembly operators.
• Develop a visualization tool that will potentially eliminate millions in cost from knowledge transfer and troubleshooting.

Lake Saint Louis, MO, US

• Develop mobile apps for enterprise software products including telecom and utility, billing and accounting software.
• Work in four week sprints in an Agile development environment.
• Create and implement unit tests and test plans.
• Interview potential hires and evaluate their problem solving and other technical and personal skills.
• Train and lead interns on Android and iOS development projects.
• Review and merge code. All committed code is strictly enforced with company programming conventions and standards.

Little Rock, AR, US

• Designed and developed migration applications in Java to migrate billing data. Migrated over 500,000 telecom customer accounts from AS/400 to Oracle.
• Developed scripts, procedures, and packages on Oracle databases.
• Created detailed test plans and unit tests. Participated in mock migrations and post migration fallout drills.
• Built and deployed applications (.jar,.war,.ear) on Weblogic servers.
• Worked in team oriented environment to meet aggressive deadlines.
• Participated in weekly design and code reviews to optimize infrastructure and workflow.

New York, NY, US

• Developed web applications for internal clients across various platforms and frameworks.
• Migrated and consolidated SQL and Oracle databases from numerous datacenters across country, saving company over $1,000,000 in power and hardware costs per year.
• Designed and implemented PostgreSQL, MS SQL, and Oracle databases.
• Supported multiple applications on Windows and Linux servers.
• Provide continual input on performance of software and suggest technological enhancements.
• Interacted closely with user community on system requirement and issues. Created testing criteria and conducted system testing with users.

West Des Moines, IA, US

• Designed and implemented HL7 interfaces for over 130 clinics and 11 major hospitals statewide.
• Consolidated and centralized patient data across over 80 applications.
• Developed automated test scripts in C and Java for both performance and functional testing. Used LoadRunner to generate load by creating virtual users and simulated usage.
• Created and managed batch files using various encryption methods and file transfer protocols. Wrote and supported scheduled scripts that transferred files to over 70 servers.
• Designed and implemented healthcare information interfaces. Provided 24 hour support on a rotating schedule.
• Evaluated applications and hardware infrastructure to provide management with necessary information to make well-informed, cost-effective decisions.