1. WILLIAM C. LECK
Brighton, CO 80601
wleck@comcast.net 303.903.5123 www.linkedin.com/in/billleck
JAVA / JEE DEVELOPER
Enthusiastic, Adaptable, & Embraces Leading Edge Technologies
Leverage Java and JEE development experience to develop innovative applications that help
organizations drive efficiency and improve productivity. Strong team player with history of mentoring
and collaborating with junior developers to expand leadership potential and provide successful
outcomes. Serve as change agent, implementing common sense technology solutions that drive
enterprise-wide success.
Areas of expertise include:
REST and Soap Web Services | Functional Programming | Application Integration
TECHNICAL SKILLS
Programming Languages: Java 1.3 – 8, Shell
Web Servers: Apache Web Server
Java EE Containers: Tomcat 4 – 8, JBoss 4.2.2 – 4.3, Weblogic 8 & 10
Operating Systems: Linux, Solaris, UnixWare, Unix System V
Frameworks: Spring, Hibernate, JPA, CXF, Jersey
Virtual Environments: VMWare, Docker
Build Systems: Maven, Make
CI Systems: Luntbuild, Hudson, Jenkins
Maven Repositories: Artifactory, Nexus
Souce Control Systems: Accurev, Git, Perforce
Agile Methodologies: Scrum
Unit Testing: JUnit, JMockit
PROFESSIONAL EXPERIENCE
EMC, Louisville, CO 2010 to 2016
Principal Software Developer
Consumed Soap and RESTful web services to produce Java and RESTful web service APIs. Developed
CI systems using Jenkins, and Artifactory. Used OpenSSL, to create Root, and Signing Authority
Certificate Authority for purpose of establishing custom SSL certificates for use in lab environment.
Java API & Web Services Development
 Improved client retention by developing APIs that consumed Soap-based web services from an
Avamar management server and transferred data to UI via ActiveMQ message.
 Developed RESTful interface, permitting access to in-house pre-sales analytical tool that generated
revenue.

2. WILLIAM C. LECK wleck@comcast.net PAGE TWO
EMC (Continued)
 Expanded customer base by extending consumption of Avamar management server Soap-based
web services and integrated with VMWares’ Java VI RESTful web services for backup of VMWare
products.
 Created Java API that optimized and improved product performance by executing Linux commands
to clean specific file systems on demand and returning API’s status for use as feedback to user
interface.
Implementation of Advanced Technologies
 Implemented custom application-to-application identity management system using Spring
Security, helping achieve product security requirements.
 Introduced Java 8 Lambdas, Streams, and Optionals that increased team functionality and ensured
company position as technology leader.
 Validated and extended product line into DevOps environment through prototype activities,
including 8 node Cassandra ring, use of Docker for deployment of microservices, and
implementation of Puppet.
AVAYA, Westminster, CO 2000 to 2010
Member of Technical Staff
Initiated solutions for remote monitoring, maintenance of customer systems, and automated service
ticket creation that ensured appropriate customer contact. Built applications deployed to multiple
JBoss instances coupled to Apache Web Server and load balanced using JK Connectors. Developed
Java applications using Spring, Hibernate, JPA and Entity beans.
Development of Remote Monitoring Tools & Maintenance Systems
 Analyzed application that determined, planned and integrated with new and existing systems,
ensuring customer retention and product expansion that attracted additional customers.
 Exceeded SLAs by designing and developing software solution that retrieved files from FTP server
containing pipe-delimited data.
 Developed interface for remote add on card and embedded diagnostic software used to reduce
costs and prevent need to dispatch technicians to client location.
Development of Service Center Solutions
 Converted legacy monolithic standalone application to support dynamic web services model as
browser-based application, providing product extensibility and longevity.
 Developed and designed web-based application using entitlements-based model, lowering costs
and establishing self-service portal for clients to access software products.
Support of SOA Methodologies
 Prevented substantial costs and potential customer loss by managing creation of Java EE solution
that transparently transitioned company’s ticketing data from DB2 to Oracle DB.
 Built XSLT framework for creating HTML and text-based messages for use with email and SMS
systems, improving client relations and providing proactive approach regarding system status.
EDUCATION
Master of Science (MS), Computer Information Systems, Technical Track,
University of Phoenix, Englewood, CO
Bachelor of Science (BS), Mechanical Engineering Technology,
LeTourneau College, Longview, TX