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Software Engineer Java Developer

Sterling, VA
October 15, 2019

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Peter Kronenberg

Sterling, Virginia ***** 703-***-****

Principal Software Engineer Senior Architect

Delivering innovative architecture and design concepts for future-facing organizations

Technically sophisticated IT specialist applying a customer-centric approach to drive organizational change and support business process design. Proficient in object-oriented design concepts and leading full life cycle development within complex systems on multiple platforms utilizing Java and other languages. Proven ability to introduce Agile methodologies to structure long-term strategies and enrich business systems. Demonstrate a solid awareness of business solutions maintaining a keen focus in the areas of collaboration, documentation management, and CRM to accelerate company mission. Exemplary leader, excelling in dynamic, fast-paced environments.

Highlights of Expertise

Solutions Architecture / Design

Web Services / Web Applications

Client Relationship Management

Product Management

Service Oriented Architecture (SOA)

Requirements Analysis

Agile / Scrum Frameworks

Team Leadership and Training

Database Administration

Troubleshooting / Critical Thinking

Software Design / Engineering

Object Oriented Design / Programming

Career Experience

Unanet, Dulles, VA

Principal Software Engineer (Feb 2017 to Present)

Assist in the design and development of the Unanet application (integrated software solution that assists professional services organizations to plan, track, and manage people / projects). Ascertain pain points and gain an in-depth understanding of departmental strategy to create streamlined system solutions that align technical needs with corporate objectives. Investigate information systems and lead the design, specification, and selection of information system solutions, considering functionality, data, security, integration, infrastructure, and performance.

Authored both back-end web services Java code and front-end JavaScript/jQuery/HTML/CSS in addition to taking a leadership role in the implementation of new purchasing feature to Unanet.

Extensive SQL usage (Sql Server and Oracle); Created complex SQL queries to join multiple tables for the Unanet application.

Designed tools to enhance development process for defining SQL tables. Streamlined the process, requiring only one file to be manually updated for each change instead of five.

Delivered substantial cost savings by initiating a database migration utility that enabled customers to migrate from one database to another.

Engaged with product management teams to gain a deeper understanding of business requirements and led a team of specialists to implement new features that aligned with technical / functional requirements.

Tridium/Honeywell, Herndon, VA

Senior Software Engineer (Nov 2015 to Feb 2017)

Provided consultancy services to support Niagara product (framework for controlling building automation). Leveraged technical sophistication and industry expertise to develop models of current and future application / web architecture, and create design structures that are stable, resilient, and performant. Estimated costs, and prepared business cases for IT solutions, considering infrastructure, licenses, development and support.

Served as senior Java developer for the release of Niagara; managed application design and development while working with internal teams to fix defects and write enhancements.

Took ownership of Python-written tool to automate setup of developer environment, as well as Mercurial hooks to streamline operation.

Exostar, Herndon, VA

Senior Software Engineer (May 2014 to Nov 2015)

Architected and developed technical solutions regarding security products across the pharmaceutical industry. Served as the lead developer of an entitlement management system written primarily in Java, to support the provisioning of access to applications and systems in a heterogeneous and distributed environment for a major pharmaceutical company.

Supported security products that enable identity federation across a major organization.

Demonstrated strong technical skills through the extensive use of JPA/Hibernate and Soap web services.

Technica Corporation, Dulles, VA

Senior Software Engineer / Technical Lead (Feb 2005 to May 2014)

Developed information systems by designing and installing software solutions to support a key client, the Defense Information Systems Agency (DISA). Determined operational feasibility by evaluating analysis, problem definition, requirements, and solution development. Prepared solutions by determining and designing system specifications, standards, and programming.

Wrote server-side and client-side code utilizing Jersey (JAX-RS), Java, Javascript and jQuery; made contributions to design of a hardened mobile browser enabling secure access to email, calendar, and contacts through CAC access.

Lead Java Developer for the CCV (Common Communications Vehicle), a Service Oriented Architecture (SOA) solution based on an Enterprise Service Bus (ESB); utilized web services (JAX-WS, JAX-RS).

Mentored, trained, and developed junior programmers, providing constructive coaching and feedback to drive performance results and support a robust talent pipeline.

Implemented code review sessions to educate junior programmers and to enforce best practice coding standards

Managed multiple SQL implementations (Oracle, MySql) using JDBC and JPA/Hibernate in addition to writing AJAX based web-service to retrieve data and enable end-users to view and modify data.

Played an integral role in Platform-as-a-Service (PaaS) project for DISA and Air Force; PaaS is a cloud-based service for DISA’s RACE system (Rapid Access Computing Environment).


Senior Designer / Developer Datatel, Fairfax, VA

Contractor Northrop Grumman, Fairfax, VA

Software Engineer Applied Predictive Technologies, Arlington, VA

Software Engineer Sterling Software, Reston, VA

Manager of VM Systems Programming Information Builders, New York NY

Senior System Programmer / Analyst NASA Goddard Institute for Space Studies, New York, NY

Education & Credentials

Columbia University / School of Engineering & Applied Science

Bachelor of Arts in Computer Science

Columbia University / Columbia College

Master of Science in Computer Science

Professional Development: Sun Certified Programmer

Technical Proficiencies: Java J2EE, Web Services, Python JAX-WS (SOAP Web Services), JAX-RS (Restful Web Services); Spring, Swing, JDBC, JPA/Hibernate, SQL (Oracle, MySQL, SQL Server), XML, XSD, WSDL, XSLT, Altova XML Spy, Tomcat, JavaScript, jQuery, AJAX, HTML, CSS; Eclipse IDE, IntelliJ IDEA, Sonic ESB, Red Hat JBoss, Ant; Subversion and Mercurial source control, Assembly language (IBM BAL), REXX; VM, MVS/JES2, OS/VS JCL

U.S. Department of Defense Top Secret, SSBI (Expired)

Community Leadership Projects

VITA/AARP Tax Preparer (2007-Present) – Tax trainer and tax preparer for Loudoun County Department of Family Services and AARP. I train the volunteers in tax law and use of the tax preparation program as well as prepare some of the more complex returns.

Discovery Park (2005-2007) – Led the effort for a community-built playground in Sterling, VA. Raised $250,000 in grants and donations in less than a year. Worked with playground designer and the community to design a science-themed, accessible community playground, open to all. Coordinated hundreds of volunteers during a 5-day build.

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