Mark Anthony B. Mijares
Principle Software Engineer
Calamba City,LAG
Summary
Seasoned Principal Software Engineer with over 17 years of experience in designing, developing, and maintaining enterprise-grade web applications. Expertise includes Java, Groovy/Grails, Spring, ElasticSearch, and various front-end technologies, ensuring robust and scalable solutions. Currently focused on AI-first initiatives involving the development of agentic AI systems and the integration of Claude LLMs to enhance automation and decision support capabilities. Recognized Subject Matter Expert (SME) and technical leader, consistently driving innovation across diverse project lifecycles while leveraging cloud-based AI workflows to accelerate engineering efforts and proof-of-concept projects.
Overview
19
19
years of professional experience
Work History
Principal Software Engineer
Deltek
09.2013 - Current
- Project: GovWinIQ – Government Contracting Web Application
- Leading the development of an agentic AI system for automating and enhancing government proposal workflows, leveraging Java, AWS Lambda, S3, and Claude LLMs.
- Working with an AI-first mindset, integrating Claude Code into daily workflows for faster delivery in sustained engineering and proof-of-concept projects.
- Designed and implemented ElasticSearch-based analytics dashboards for Federal Spending and Technology Install Base.
- Developed AI-powered assistants to improve user navigation and data interaction.
- Modernized jQuery components to ensure WCAG-compliant accessibility.
- Built an internal attendance tracking tool using Microsoft Graph API.
- Served as Subject Matter Expert for CMS architecture and technical leadership.
- Increased customer satisfaction rates through diligent collaboration with cross-functional teams on feature development and bug resolution.
- Completed code debugging, software troubleshooting, root cause analysis, and program reviews.
- Collaborated on hiring, retention and promotion of junior engineers.
- Exhibited strong technical aptitude and application expertise resulting in optimized performance, continuous improvement recommendations and product innovation.
Software Engineer
Misys
06.2012 - 09.2013
- Project: Enterprise Banking Application (J2EE and RPG Backend)
- Enhanced existing features and resolved critical production issues.
- Partnered with QA teams to triage and close defects, ensuring SLA compliance.
- Member of the core defect resolution team addressing pre-release issues.
Software Engineer
NCO
01.2010 - 05.2012
- Project: Payment and Remittance Systems (Spring-based Java Applications)
- Developed data ingestion systems to process diverse client file formats.
- Migrated legacy C++ systems to modern Java frameworks.
- Optimized performance for batch processes and server utilization.
- Conducted code reviews and QA validation for quality assurance.
Software Engineer
Accenture
02.2007 - 01.2010
- Project: Middleware Systems for Telecommunications
- Developed Spring-based middleware connecting ordering systems to provisioning platforms.
- Estimated workloads, prepared training materials, and delivered technical presentations.
- Collaborated on architecture design and optimization.
- Performed code reviews and performance tuning.
Education
Bachelor of Science - Electronics and Communications Engineering
Technological University of The Philippines
04.2001 -
Bachelor of Science - Computer Engineering Technology
Technological University of The Philippines
04.2001 -
Skills
Languages & Frameworks: Java (Core, J2EE), Groovy/Grails, Spring, AngularJS, jQuery, JavaScript
undefinedOther Highlights
- Strong communication and leadership skills.
- Proven adaptability across multiple technologies and enterprise environments.
- Consistent top performer in cross-functional collaborations and mission-critical projects.
Timeline
Principal Software Engineer
Deltek
09.2013 - Current
Software Engineer
Misys
06.2012 - 09.2013
Software Engineer
NCO
01.2010 - 05.2012
Software Engineer
Accenture
02.2007 - 01.2010
Bachelor of Science - Electronics and Communications Engineering
Technological University of The Philippines
04.2001 -
Bachelor of Science - Computer Engineering Technology
Technological University of The Philippines
04.2001 -
Similar Profiles
SCOTT A. MCELRATHSCOTT A. MCELRATH
Account Executive II at DeltekAccount Executive II at Deltek
CHRISTOPHER NORRISCHRISTOPHER NORRIS
Principal Solutions Engineer at DeltekPrincipal Solutions Engineer at Deltek
ERIC BANGAERIC BANGA
GRC Analyst at DeltekGRC Analyst at Deltek
MAE D. MESTIDIOMAE D. MESTIDIO
FINANCE AND ACCOUNTING OFFICER at Lumino Biomass Fuel, Inc.FINANCE AND ACCOUNTING OFFICER at Lumino Biomass Fuel, Inc.
Lory Grace Tirado-OrganoLory Grace Tirado-Organo
CE Lead - Legal Agreement Digitization at LSEGCE Lead - Legal Agreement Digitization at LSEG