Devon Hills
Senior Software Engineer with 7+ years building mission-critical applications serving millions of users. Expert in React/TypeScript for HealthCare.gov and government systems with proven 24/7 production reliability.
Core Expertise
HealthCare.gov Impact
Serving millions during high-traffic enrollment periods
Accessibility Excellence
WCAG/Section 508 compliance for government applications
React/TypeScript Expert
7+ years building scalable frontend systems
24/7 Production Support
Critical incident response & system reliability
Let's Connect
Proven track record building user-centric applications at scale. Ready to bring my healthcare technology expertise to your team.
About Me
Proven Software Engineer with 7+ years building mission-critical React/TypeScript applications for HealthCare.gov, serving millions of users during high-traffic enrollment periods. Expert in accessibility compliance, 24/7 production support, and government healthcare technology.
Professional Journey
Software Engineer III
Ad Hoc LLC • Nov 2021 - Present
HealthCare.gov development & optimization
Software Engineer
Raytheon Technologies • Jul 2018 - Nov 2021
Defense systems & secure applications • DoD Secret clearance
BS Computer Science
UMass Lowell • 2017
Graduated cum laude • Dean's List
Core Strengths & Specializations
Key Impact & Achievements
HealthCare.gov Impact
Redesigned health plan comparison cards using choice architecture principles based on customer feedback, improving enrollment completion rates for millions of users during high-traffic enrollment periods.
Production Reliability
Maintained 24/7 on-call rotation for critical HealthCare.gov systems, ensuring minimal downtime during peak enrollment periods while resolving frontend bugs affecting millions of users.
Accessibility Excellence
Built comprehensive accessibility testing infrastructure using axe-core, maintaining WCAG/Section 508 compliance for government healthcare applications serving vulnerable populations.
Team Leadership
Led technical documentation efforts and established coding standards that improved team velocity and reduced onboarding time, while mentoring junior developers across cross-functional teams.
Technical Expertise
Frontend
Backend
Testing & Quality
DevOps & Tools
Professional Journey
From academic excellence to mission-critical software engineering - a progression of technical leadership, innovation, and impactful contributions across healthcare technology and defense systems.
2025 - Present
2025 - Present
Software Engineer
Livefront • Remote
Aug 2025 - Present
Details TBD
Key Achievements
- Details TBD
Technologies
2021 - 2025
2021 - 2025
Software Engineer III
Ad Hoc LLC • Remote
Nov 2021 - April 2025 (3+ years)
Built and maintained React/TypeScript applications for HealthCare.gov health plan enrollment workflows, serving millions of users during high-traffic enrollment periods with focus on accessibility and performance.
Key Achievements
- Redesigned health plan comparison cards using choice architecture principles based on customer feedback and UX research, improving user enrollment completion rates for millions of users
- Built robust backend APIs and executed complex Ruby logic for Medicare eligibility rules and coverage transitions
- Engineered Redux-based state management for dynamic filtering and comparison features, optimizing performance under peak loads
- Developed comprehensive accessibility testing infrastructure using axe-core, maintaining WCAG/Section 508 compliance
- Built automated testing suites with Playwright and React Testing Library, including end-to-end workflow validation
- Led technical documentation efforts and established coding standards that improved team velocity and reduced onboarding time
- Participated in 24/7 on-call rotation using PagerDuty, responding to critical incidents and maintaining system reliability during peak enrollment periods serving millions of users
- Led Ruby version and critical gem upgrades ensuring stable deployments
Technologies
2018 - 2021
2018 - 2021
Software Engineer
Raytheon Technologies • Tewksbury, MA
Jul 2018 - Nov 2021 (3+ years)
Architected and maintained mission-critical software components using C++ for defense applications, conducting systematic debugging and root cause analysis for complex technical issues.
Key Achievements
- Led technical documentation initiatives and mentored junior developers, establishing coding standards
- Improved team productivity and code quality through systematic code review processes
- Collaborated in cross-functional Agile/SCRUM teams to deliver high-performance applications on schedule
- Acquired and maintained DoD Secret security clearance for classified defense projects
- Conducted systematic debugging and root cause analysis for complex embedded systems issues
- Contributed to mission-critical defense applications with strict reliability requirements
Technologies
2014 - 2017
2014 - 2017
BS, Computer Science
University of Massachusetts Lowell • Lowell, MA
Graduated December 2017
Bachelor of Science in Computer Science with cum laude honors, focusing on software engineering principles, algorithms, and computer systems architecture.
Key Achievements
- Graduated cum laude with high academic honors (GPA distinction)
- Achieved Dean's List recognition for multiple consecutive semesters
- Built strong foundation in algorithms, data structures, and software design patterns
- Completed comprehensive coursework in programming languages, database systems, and computer architecture
- Developed problem-solving skills through rigorous mathematical and computational training
Technologies
Recent Projects
My latest development work, automatically updated from GitHub. These projects showcase my recent focus areas and technical growth.
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Let's Connect & Collaborate
Always excited to connect with fellow developers, discuss interesting projects, and share knowledge. Reach out to chat about tech, collaboration opportunities, or just to say hello!
Get in Touch
HealthCare.gov engineer passionate about building great software. Recently started a new role but always happy to connect!
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What I'm Passionate About
Quick Details
Response Time: Within 24 hours
Location: Lowell, MA (Remote Ready)
Status: Recently Accepted New Role