- Stood up microservices springboot spring integration flow Java API applications that expose and consume Token Service Provider (TSP) endpoints for provision service and lifecycle management for primary account number (PAN) in the payment industry.- Perform validation from the merchants and from the TSP’s payloads using OpenApi Specification- Utilize openapi, flow diagrams, and TSP’s Developer Portal documentations as resources for building API- Establish POC to consume all Master Card APIs using OAuth security and OkHttp client- Create Java API application that send Google Pay payload to FutureX for decryption- Develop API’s with Spring Security and JWT and Spring with OAuth security.- JUNIT test with Mockito all layers of spring integration.- Deploy API applications to Pivotal Cloud Foundry (PCF)

Developer on an Agile team developing Java Restful API for carriers and partners LTL Transportation Pricing Data using various technologies and tools (Spring Framework, Java/J2EE, Maven, eclipse, SVN, JUNIT, Mockito, MongoDB, MariaDB, JSON, Postman, Log4j2, JavaScript components, etc)

- Develop Java programs to automatically generate thousands of records into PostgreSQL 9.5 database used by the QA team to test the robustness of the dynac application systems- Modify Spring MVC using CRUD operations on resources via HTTP methods - Enhance and add functionalities to Java Spring source codes to work across clusters and correct defects

- Develop/maintain Java JSON Restful web service back-end using Gson to fetch Firewall STIG- Develop AJAX requests from JQuery to dynamically update web page with STIG’s resources- Manage, design, develop, and deploy Java Spring next generation of in-house advance remediation tool for hardening Microsoft Windows operating systems based on DoD Security Technical Implementation Guidelines (STIG) for Windows and McAfee; Windows patches, fixes, and other third party vendor releases for quarterly deliverables to DoD that meet certification and accreditation standards, FISMA ; NIST. This application is used to secure Windows OS on Army, USMC computers in remote, closed; austere environments. - Interface Java with Python to configure audit and GPO policies for Windows OS based on INF files. - Insert and update MySQL /JDBC database via spring - Parse XML STIG files using SAXReader and fine tune with Java REGEX.- Developed and maintained Java Restful Web server with MySQL/hibernate; client based on Jersey - Use Postman to test resources on Restful Web server- Use maven and Springframe to package (war file) java application deployed to Tomcat web server.- Model high level class diagrams using UML notations and NClass class Designer Tool.- Use maven, Ant, Subversion; Jenkins for continuous integration (CI) - Execute SCAP Compliance Checker (SCC) to ensure Java remediation tool harden Systems as per STIG SCAP benchmark and used Microsoft Baseline Security Analyzer (MBSA) to check for missing patches. - Implement OWASP top 10, Oracle Secure Coding Standard for Java, and YASCA (Yet Another Source Code Analyzer) static code analyzer to prevent and detect security vulnerabilities in source codes - Create virtual machines for each OS’s for unit testing of software developments.- Refactor and enhance legacy application by reducing codes by more than 50%

-Write bash scripts that automate starting of services in different run levels. - Monitor; Work Team Track Ticket to solve external and internal IT issues (DNS, FTP, SMTP;HTTP, etc.)

- Managed and Supported of Surface Movement Advisor (SMA) for FAA Air Traffic Control (ATC) client and airline customers (Delta, AirTran, and TBI) at Atlanta Hartsfield-Jackson International Airport including hardware and software development, enhancement, maintenance, troubleshooting, root cause analysis, monitoring, and refurbishing SMA functionality.- Served as subject matter expert (SME) and technical representative for SMA at all technical meetings and conferences.- Developed a Java servlet/JSP report application that got arrival and departure flights 10 hours in advance using Tomcat web server and Oracle as the back-end via JDBC.- Designed, developed; migrated client server Java swing GUI front end program from C++, C; X-Window front end that displays flight data of all three runways at the Atlanta Hartsfield-Jackson International Airport. - Developed Java multithreaded TCP/IP client-server middle tier application that processes flight plans and thousands of radar tracks coming from FAA A80 and Delta Airline interfacing with Oracle PL/SQL package to store data in Oracle database tables.- Maintained C++ legacy applications while migrating the other aspects of the application to Java

- Managed and supported of SMA system software and platform ensuring functionality as integral unit.- Enhanced, refactored and maintained Java client server TCP/IP multithreaded application that gets flight plan and radar track data feeds from FAA A80 ARTS server. - Modeled class, instance, and data flow diagrams with Visio using UML methodologies.- Developed Java TCP/IP server program to replace legacy C serial communication program to get flight plans from Air Tran Airways based on its algorithm to ensure the integrity of the data- Designed, enhanced and rewrote client/server C++/OOP, C, X-Window, Pro*C, and PL/SQL source codes, packages, functions, procedures and triggers from end-of-life (16 years old) Silicon Graphics (SGI) IRIX 6.0 UNIX operating system/Oracle7 to SuSE Linux Enterprise Server 10 and Oracle 10gR2.- Wrote Perl scripts to get OAG and Infax data feeds from FTP sites on the web; integrated with C++.- Wrote Bash automated scripts to backup and restore system as well as to restore database objects - Saved FAA $50K annually by discontinuing SGI and Oracle service contracts; assumed responsibility

Maintained and enhanced Helpdesk and Administrative help programs using C/C++ and embedded SQL/DB2 in OS/2 Presentation Manager, multithreaded, event driven GUI environment. Developed CGI message program in C that allowed users to send messages to each other on the web. Added functionalities to optimize execution of programs to automatically delete messages and other data rows. Created and normalized DB2 tables using primary and foreign keys. Installed, configured, and migrated client and server relational database utilizing Entity Relational Diagram (ERD) to model database and to communicate with administrative personnel to get their approval.

Modeled object and instance diagrams from service orders that showed inheritance, aggregation, and association of facilities and locations for telephone services to customers using Paradigm Plus Case Tool based on Rumbaugh Object Modeling Technique (OMT). Syntactically parsed service orders into logical attributes and values and created objects that are populated and modeled based on established high level domain object models.