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. • Wrote embedded SQL and stored procedures for data manipulation and interacting with Oracle databases.

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.• Provided presentations to internal staff and clients as well as hosted meetings and presentations for external vendors.• Documented implementation procedures, change controls, and disaster recovery plans. Created diagrams describing user workflow and dataflow.