Sean Hayes
Software Engineer
Lakewood,CO
Summary
Software Engineer with 7 years of professional experience and former US Army Signal Corps officer, with active Secret security clearance, looking for new opportunities to further develop technical knowledge and expertise. Hands on experience with several programming languages, network troubleshooting and working with computer systems and devices.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Software Engineer
Steven Douglas LLC
01.2024 - 07.2024
- Coordinated with other engineers to evaluate and improve software and hardware interfaces.
- Work with a team of up to 12 other software engineers in a Kanban development environment on a project for a US Government agency
- Worked mostly on Java based back end software development (some of the code was legacy Cobol code that had been partially updated to Java)
- Conducted code development, unit level and system level testing demonstrating changes with both the web based user interface and using database queries to show changes
- Updated deliverable forms using JasperReports.
Software Engineer
Zachary Piper Solutions
01.2023 - 11.2023
- Coordinated with other engineers to evaluate and improve software and hardware interfaces.
- Work with a team of up to 12 other software engineers in an Agile Scrum environment on a project for a US Government agency
- Worked on resolving issues with front and back-end code development, working in Java and Javascript, as well as some SQL troubleshooting.
Software Engineer
Raytheon
05.2017 - 09.2022
- Authored code fixes and enhancements for inclusion in future code releases and patches.
- Worked with a team of up to 30 other software engineers in an Agile Scrum environment
- Develop and test new code for Global Positioning Satellite management system using Java and Swing
- Developed service for connecting to Cassandra database in order to parse information to be used within large micro-service Java based web application
- Assist other developers in resolving reported defects and to troubleshoot development roadblocks
- Conducted trade study to evaluate prospective system for analyzing historical data regarding program development to optimize bidding negotiations.
Network Engineer
Level 3 Communications
05.2015 - 04.2017
- Communicate with customers and local exchange carriers through verbal phone calls and written emails
- Remotely log into routers and switches in order to research network issues and identify problems such as malfunctioning cards, damage to fiber cables, configuration issue on the router, or loss of power to the equipment
- Consult with higher tier network engineering teams when problem is beyond skill set
- Perform troubleshooting with local exchange carriers if the cause of an outage is not within Level 3 network
- Train new employees on how to investigate network outages and how to properly update customers.
Signal Corps Officer
US Army
05.2007 - 04.2015
- Responsible for the training and welfare of over 160 Soldiers across 4 locations providing communications
- Increased efficiency of office space to allow for better storage and security, creating a computer lab, conference room and several supply areas
- Developed new packing list for a convoy to include working and sleeping arrangements for 100 personnel during field operations
- Increased readiness of organization through management of multiple projects covering property turn-in, personnel, vehicle and equipment movement, training events, supply requisitions, and managing production quotas
- Handled administrative requirements, maintained records and submitted operational reports.
- Developed and implemented plans to reduce risk to personnel and equipment during tactical operations.
- Planned and coordinated tactical movements of personnel and equipment.
- Designed Microsoft Access Databases to allow the organization to better track personnel information, training records, contact information, cell phone and computer tracking information reducing errors and providing more accurate and usable data
Education
Bachelor of Science - Computer Science
12.2016
- Capstone Project: VetTalks, Primary engineer for a web application using the Bootstrap framework for the front end with PHP communicating with a SQL database
Bachelor of Arts - History
05.2007
Skills
- GitHub/GitLab
- Solution Recommendations
- Code reviews
- Agile
- Java
- C#
- C
- Python
- Windows operating systems
- Linux operating systems
- SQL
- MongoDB
- PostGreSQL
- HTML
- CSS
- Bootstrap
- JavaScript
- Typescript
- Nodejs
- PHP
- Spring and Spring Boot
- Python and Django
- GoLang and Gin
- Net
- Angular
- React
- Front-End Development
- Back-End Development
Certification
- Software Design and Programming Certificate, University of Denver, 06/2018
- Web Design and Development Certificate, University of Denver, 06/2018
Current Projects
Developing an online portfolio website with multiple web applications written in different backend languages and frameworks including Java/Spring, Python/Django, GoLang and Gin, as well as Javascript frameworks including Angular, React and Vue.js
Awards
Member of National Society of Collegiate Scholars
Timeline
Software Engineer - Steven Douglas LLC
01.2024 - 07.2024
Software Engineer - Zachary Piper Solutions
01.2023 - 11.2023
Software Engineer - Raytheon
05.2017 - 09.2022
Network Engineer - Level 3 Communications
05.2015 - 04.2017
Signal Corps Officer - US Army
05.2007 - 04.2015
- Software Design and Programming Certificate, University of Denver, 06/2018
- Web Design and Development Certificate, University of Denver, 06/2018
Colorado Technical University - Bachelor of Science, Computer Science
Northern Arizona University - Bachelor of Arts, History
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