Cloud architect as a contractor to Fannie Mae involving API management platform architecture, API design and governance, and AWS-based application architecture often dealing with multi-region resilience, governance and security concerns. Developed enterprise-wide API standards and API governance processes. Reviewed over 200 API designs and provided mentoring and guidance. Documented the architecture for an enterprise API management platform that was first implemented using the Axway API gateway and later migrated to the Apigee API gateway. Developed the architecture for a custom API developer portal including integration with the Ping Identity Server (PingFed) for OAuth-based authentication for different types of API use cases. Developed the architecture for transferring large files using CloudFront signed URLs for S3 objects. Provided architecture support and guidance for data science team involving Domino Labs, SAS, SageMaker, R, Python, S3, Redshift, AWS Glue, AWS Event Bridge, and Autosys. Prototyped and documented a pattern for managing microservices using AWS App Mesh.Supported governance needs including registering interfaces and dataset definitions in the enterprise configuration management system and provided the related architecture documentation with approval through the architecture review board process.Prototyped an income verification application using Angular, Spring Boot and PostgreSQL. Mentored and managed college interns using Scrum/Agile concepts and techniques.Prototyped an income verification application using Angular, SpringBoot and Postgres. Established a college intern program and managed interns using Scrum/Agile concepts and techniques.

Architected and led the development of Python based software tools for automating the conversion of legacy code to current technologies such as Spring Boot, Angular, and .NET Core. Established software development standards and practices including Scrum and Agile techniques as well as as online code reviews, unit testing, and continuous integration. Deployed Java based web applications on AWS.

Developed and deployed to production web services for credit processing applications using Apache CXF and Spring Integration deployed on JBoss and Apache Tomcat. Developed a fraud detection application with significant requirements for web security and performance concerns using Groovy, Grails, and Javascript.

Led the development of WSDL based Java web services for an enterprise correspondence generation system. Successfully completed on a tight schedule. Used JBoss Data Services to implement a federated data source solution deployed on the AWS.

Implemented and deployed to production a wire transfer web service operation. Debugged Apache Camel open source software and develop workarounds in order to deploy a web service perform wire transfer operations to production on a tight schedule.

Analyze and prototype the effective use of the ILog rule engines for enforcing the loan purchase rules as a consultant to a large financial institution. Developed an ontology of the secondary mortgage market loan products as a means to improve the ability to manage large sets of business rules.Mentored and provided technical support to software developers for the use of ResQSoft™ Engineer on a project to redevelopment a PowerBuilder claims management system as a Java EE web application for the Pension Benefit Guaranty Corporation (PBGC).Primary developer of a tool that parses PowerBuilder source code to extract metadata about a legacy application. Implemented the tool using javaCC/JJTree to walk an abstract syntax tree for parsing purposes.

Technical lead on the development of a Java applet-based mass fax application for the U.S. Department of Justice. Implemented applet using Swing components that access an Oracle8i database and interfaced with a fax server as well as Crystal Reports server.

Developed embedded software systems with most programming done in C.Initiated and lead the grassroots development of an ongoing study group program, which is a form of self-directed learning where the participants picked a software related book that they read on their own and meet once a week to discuss. The company provided lunch and paid for the books. We had three rounds of study groups per year consisting of a total of approximately 200 people in 20 study groups at the same time.