Senior Software Engineer

• Jan 2019 - Present

- Leading team of 2 developers to enhance legacy ASP.NET application to improve user experience.- Contributing to production support when needed. - Developing and deploying to production greenfield applications in as little as 6 months. - Providing coding, testing, and peer review support to other teams on the contract.- Successfully led a 6 developer team to design and implement a new application, Passenger Facility Charge, that manages airports’ financial data. - Presented “Tech Talks” to One Globe team on wearable applications, beginning robotics, and selenium.Language/Tools/Framework: AngularJS, ColdFusion, Oracle SQL, JavaScript, ASP.NET Show less

Software Engineer

• Jan 2018 - Jan 2019

- Led team of 4 developers and 2 testers to design and create configuration driven React framework to be used to streamline frontend development. Facilitated collaboration with team members through utilizing paired programming, brainstorming sessions, and sharing resources as needed.- Built React frontend with styling from Semantic UI and Java SpringBoot microservices backend, all running on AWS utilizing RDS, DynamoDB and S3 and tested and delivered using continuous integration/continuous delivery.- Utilized Agile methodology to routinely communicate technical perspective of requirements to stakeholders and leadership leading to buy-in and clarity.Language/Tools/Framework: React, JavaScript, Spring, Java, AWS, RDS, DynamoDB, S3, CSS Show less

Development, Senior

• Jan 2016 - Jan 2018

Continually developed new features for Dealer Direct using Agile methodology, along with production support.Responsible for production support of other Freddie Mac applications, such as a Service Module which is built with design patterns of DAO (Data Access Objects), VO (Value Objects) and Spring Core Dependency Injection.

Development Professional

• Feb 2013 - Jan 2016

• Developed new customer facing application with Grails web framework to exchange mortgage securities covering high dollar business to business transactions. This allows traders greater speed and flexibility for exchange. Using agile methodology and test driven development practices with Spock (like JUnit).• Developed an internal securitization manager which transfers, validates, and converts xml payloads between departments and external business (Common Securities Platform). Suggested change to development approach towards a more cost effective and less complex solution which was adopted.• Developed code using Grails web framework to replace outdated mortgage backed security payment system. Monitors payments covering 75,000+ securities and billions of dollars in transactions monthly. Reduced the lines of code by 70%. Collaborated with end users to greatly improve user interface (originally Java Swing) • Maintained code and provide production support for previously written Settlement and Payment systems. Give immediate response to issues by either directly or involving the appropriate team to respond. Track all issues and solve them in a timely manner while providing feedback to users. • Volunteered as part of a cross-functional team in a competition to make Freddie Mac successful following government oversight. Our idea was selected to be presented to the Chief Officers and was then championed by the Chief Architect for implementation. Show less

Development Associate

• Aug 2011 - Feb 2013

• Completed full life cycle for mortgage backed security settlement system transformation. Used Grails web framework to reduce code and streamline the development process for our agile methodology. Settlement is currently in production and issued over a thousand Giants (Freddie Mac product of combined securities) in 2014 with a combined par value over 82 billion.• Led development for two Legacy Remediation projects under factory methodology pilot; coordinated Sybase version upgrades and added encryption to Java EE and C code for legacy applications, managed code staging from development to test environment to production; facilitated communication between business, testers, Web Infrastructure Operations, and Technology Change Management Show less

Technology Analyst: Programming Analyst

• Jan 2011 - Aug 2011

Developed a Java EE web application using Struts 2 framework for Agile Pilot: the Investor Tax Reporting – Loan and Securities Operations.Received Freddie Mac award for contribution to and participation in Agile Pilot.

Technology Analyst: UNIX System Admin.

• Jun 2010 - Jan 2011

- My first rotation in the rotational program was the UNIX System Administration department.- Created BSC Insecure Website, to display a list of insecure applications and their process owners. - Received Now award for BSC Insecure Website. My assignment manager nominated me by saying "Justin quickly put together a web page that parses the captured log files and display accounts by service type. This readily accessible information will be instrumental in accelerating the effort to identify the accounts and then map them to the business areas. Justin took on this task and delivered a quality product ahead of schedule."-Assisted with installation of new servers, set up the Internet protocol, TCP/IP, and created admin accounts. Also running HP hardware diagnostics tests. -Help find and identify old hardware that needed to be properly disposed of. Helped with the disposal and destruction of approximately 1000 hard drives, where were held in various FM locations. -Completed basic tasks of an admin on AIX, Solaris, and Red Hat on a daily basis. Show less

Student Team Leader

• Jan 2010 - May 2010

· Led 6 peers on Amazon.com project. · Designed application which analyzes survey data and determines best categorization for Amazon products to drive customer ease of navigation and greater sales. · Led 6 peers on Amazon.com project. · Designed application which analyzes survey data and determines best categorization for Amazon products to drive customer ease of navigation and greater sales.

Bio-Informatics Researcher

• May 2009 - May 2010

· Leading 1 underclassmen conducting bio-informatics research - performing data analysis, improving algorithms, and documenting results. · Wrote scripts to determine specific qualities on the docking interface of a protein; such as finding water molecules in the docking location and seeing how they affect surface correlation. · Editor for “Protein-Protein Docking Using Region-based 3D Zernike Descriptors” journal entry published September 2009. · Leading 1 underclassmen conducting bio-informatics research - performing data analysis, improving algorithms, and documenting results. · Wrote scripts to determine specific qualities on the docking interface of a protein; such as finding water molecules in the docking location and seeing how they affect surface correlation. · Editor for “Protein-Protein Docking Using Region-based 3D Zernike Descriptors” journal entry published September 2009.

DOORS Database Designer

• May 2009 - Aug 2009

· Led peers developing a dxl database “requirements entry” application which was completed successfully and on time. This resulted in a uniform requirements entry process driving overall productivity for the team. · Reduced search time for Engineers by creating efficient search algorithms for DOORS. Succeeded in bringing typical search time down from hours to minutes. · Performed quality insurance testing and software maintenance. · Led peers developing a dxl database “requirements entry” application which was completed successfully and on time. This resulted in a uniform requirements entry process driving overall productivity for the team. · Reduced search time for Engineers by creating efficient search algorithms for DOORS. Succeeded in bringing typical search time down from hours to minutes. · Performed quality insurance testing and software maintenance.

Performance Testing Consultant

• Dec 2008 - Dec 2008

· Analyzed data from nationwide field tests, installed software, and maintained hand-held field devices. · Recognized for working off-hours to support a critical field test. · Worked over Winter Break. · Analyzed data from nationwide field tests, installed software, and maintained hand-held field devices. · Recognized for working off-hours to support a critical field test. · Worked over Winter Break.

Computer Administrator

• Apr 2007 - Jan 2008