Software Engineer Full-Stack

YOL E. KWON ***** Selby Ave

Poolesville, MD *****

Email: *******@*****.***

Mobile: 240-***-****

SUMMARY: Full-stack software engineer with 25+ years of experience architecting, developing, and deploying robust, data-driven systems for federal agencies, including the Food and Drug Administration (FDA) and the Defense Information Systems Agency (DISA). Demonstrated expertise in leading end-to-end software development lifecycles using modern frameworks and libraries such as ReactJS/React Native/Redux/React Hook, Expo, Xcode, AngularJS, HTML5/CSS and JavaScript, for web and mobile frontend interfaces. Skilled in backend technologies including NodeJS, TypeScript, Java, Scala, Apache Solr, Elasticsearch, MongoDB, SQLite, and Apache NiFi. Familiar with Source code management and integration such as GitHub/GitLab and experienced with Docker platform and AWS cloud. Recognized for building high-performance applications that enhance operational efficiency and deliver actionable insights. EXPERIENCE: Booz Allen Hamilton – Associate

Rockville, MD March 2008 – Present

Tech Stack: ReactJS/Redux, React Native, AngularJS, NodeJS, Express, Java, Scala, Apache Solr, ElasticSearch, Tomcat, Nginx, Apache NiFi, Jenkins, Docker, Hadoop, MongoDB, SQLite3, MacOS, iOS, Expo, Xcode Lead Developer – FDA ORA RBIS (Regulatory Business Information Services) February 2015 – Present

• Designed and implemented full-stack web and mobile applications such as Center Views, leveraging React Native/React Hook, NodeJS, Express, SQLite3, Xcode, and Expo.

• Designed and implemented data-driven systems including OSAR and Firm360 using ReactJS, Apache NiFi, Apache Solr, and MongoDB.

• Participated in the Resource Library application with a focus on high- speed search and content accessibility using ReactJS, WordPress, and ElasticSearch.

• Supported infrastructure maintenance, including the cloud migration of CV/OSAR/Firm360/RL applications from on-premises infrastructure to AWS GovCloud (FISMA High).

• Developed automation pipelines for ETL processes (Saludata, Rundeck) and DevOps workflows (Jenkins).

• Provided technical leadership, including code and design reviews, mentoring junior engineers, and supporting solution design across teams.

• Collaborated cross-functionally with QA, system administrators, and business analysts to resolve production issues and optimize performance.

Lead Developer – FDA CDRH Traction, DocMan, and SharePoint Support March 2009 – February 2015

• Rebuilt and modernized the www.ctsa.org website using the Fusebox 3.0 framework, improving maintainability and performance.

• Redeveloped the CTSA Management System (CTSAMS) and CTSAWiki using ColdFusion MX 8, Oracle 10g, and web standards (CFML, XML, DHTML, AJAX, JS, CSS, RSS, Web Services).

§ Delivered scalable, user-friendly interfaces and optimized backend processes supporting FDA collaboration and knowledge-sharing. DIT, Inc. (now Clango, Inc.) – Senior Applications Developer Arlington, VA June 2003 – March 2008

Tech Stack: ColdFusion 5/MX/MX7, Oracle 8i, Fusebox 3.0, CFML, XML, DHTML, AJAX, JS, CSS, CFEclipse, TOAD, CVS

• Served as a core developer on the Systems Engineering Support System (SESS) team for the Defense Information Systems Agency

(DISA).

• Redeveloped and modernized the SESS platform using ColdFusion MX and Fusebox, enhancing maintainability and system responsiveness.

• Implemented advanced front-end functionality with AJAX, dynamic content delivery, and secure Oracle-backed interfaces. Constella Group, Inc. – Software Developer

Silver Spring, MD January 2003 – May 2003

Tech Stack: ColdFusion MX, SQL Server 2000, Fuse Q, Visual SourceSafe, TOAD, CFML, DHTML

• Rebuilt the Peer Review System for the IES/HITS division (Health IT Solutions), transitioning legacy Fusebox 2.0 code to ColdFusion MX and Fuse Q.

• Led UI/UX updates, improving layout, color schemes, and interaction flows to reduce training time and improve efficiency.

• Collaborated with stakeholders to ensure optimal usability for client operators and reviewers.

Lockheed Martin Systems Integration – Owego – Contractor Lexington Park, MD October 2002 – December 2002

Tech Stack: ColdFusion 4.5/MX, PowerBuilder 6.5, Oracle 8i, Fusebox 3.0, TOAD

• Participated in the Aircraft Inventory Readiness and Reporting System

(AIRRS) migration project for NAVAIR 3.6.

• Re-engineered the legacy PowerBuilder system into a fully web- enabled application using ColdFusion and Fusebox.

• Designed critical components such as login/authentication, report templates, and menu-driven navigation for operational readiness tools. Computer Sciences Corporation (CSC) – Intermediate Application Developer

Washington, DC November 2001 – June 2002

Tech Stack: Visual Basic 5.0/6.0, COM, Oracle 8i, TOAD

• Contributed to the INS STARS Benefit System, supporting inter-agency services for the Department of State (DOS) and Immigration and Naturalization Service (INS).

• Developed and maintained components for the Border Crossing Card System (BCC), integrated with IDENT, FINS, ICPS, and NPS biometric and immigration subsystems.

• Built COM-based OCX modules and ActiveX controls for use across VB, MS Office, and web containers, enabling robust modularity and integration.

• Diagnosed and resolved critical bugs across system interfaces to ensure accurate identity and card production services. WESTAT – Program Analyst

Rockville, MD February 2000 – November 2001

Tech Stack: ColdFusion 4.5, HTML, DHTML, ASP, VB, JavaScript, Perl, CSS, SQL, Visual InterDev, MS Access, IIS 4.0, Netscape Enterprise Server

• Member of the Information Systems Division supporting corporate intranet and external web applications.

• Redesigned and enhanced WesInfo, a data-driven corporate intranet, using ColdFusion Studio, Perl, ASP, and JavaScript.

• Redeveloped and tested the corporate website (www.westat.com) and the WesVar statistical software portal, improving performance and maintainability.

• Built and tested the internal 411 directory system, integrating a Perl-based search tool with a Microsoft Access backend. IIT Research Institute – Software Engineer

Annapolis, MD February 1999 – February 2000

Tech Stack: Visual Basic 5.0/6.0, Oracle 8, TOAD, Visual SourceSafe, SQL Plus, VSFlex Grid Pro

• Contributed to the Cosite Analysis Model (COSAM) 5.0 project for the Navy Joint Spectrum Center (JSC).

• Led full software development lifecycle activities, including requirements gathering, system design, implementation, testing, and ongoing maintenance.

• Designed and built user interface components such as the Antenna Map Tool, Program Options, and Run dialog interfaces using VB 6.0 and VSFlex Grid Pro.

• Supported back-end integration with Oracle 8 using SQL Plus and TOAD, ensuring robust data handling and system performance. EDUCATION: B.S. in Computer Science

University of Maryland, Baltimore County (UMBC) – 1999 ADDITIONAL Certifications

INFORMATION: Certified Macromedia ColdFusion MX/7/8/9 Developers Security Clearance

NIH Security Clearance

FDA Public Trust

Contact this candidate