Senior Full Stack Engineer with 15+ years of professional software engineering experience, specializing in front-end development. Expertise in JavaScript (ES6+), React, Next.js, Vue, Redux, HTML5, and CSS/SCSS to build responsive, scalable user interfaces. Proven track record leading front-end modernization efforts and optimizing performance while collaborating with cross-functional teams to integrate with back-end services. Familiar with CI/CD workflows, automated testing, and agile methodologies.

Philip McElroy

Senior Full Stack Engineer with 15+ years of professional software engineering experience, specializing in front-end development. Expertise in JavaScript (ES6+), React, Next.js, Vue, Redux, HTML5, and CSS/SCSS to build responsive, scalable user interfaces. Proven track record leading front-end modernization efforts and optimizing performance while collaborating with cross-functional teams to integrate with back-end services. Familiar with CI/CD workflows, automated testing, and agile methodologies.

Available to hire

Senior Full Stack Engineer with 15+ years of professional software engineering experience, specializing in front-end development.
Expertise in JavaScript (ES6+), React, Next.js, Vue, Redux, HTML5, and CSS/SCSS to build responsive, scalable user interfaces. Proven
track record leading front-end modernization efforts and optimizing performance while collaborating with cross-functional teams to
integrate with back-end services. Familiar with CI/CD workflows, automated testing, and agile methodologies.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Front End Engineer at Mercor Intelligence
December 1, 2025 - Present
Contracted to Mercor Intelligence to provide front end expertise on AI training. Developed rubrics to a strict standard aiding the training and testing of frontier AI models.
Senior Full Stack Engineer at Encora
October 1, 2025 - Present
Contracted to Eli Lilly to work on their proprietary software platform which manages new drug trials. Developed full stack features in Next.js and Node.js enabling integration between system roles and third party applications. Maintained high-level testing coverage while delivering error-free code. Created reports to ensure user compliance. Participated in code reviews and mentoring.
Senior Full Stack Engineer at CodeWorks IT Careers
May 1, 2025 - September 1, 2025
Contracted to Ventricle Health to work on their proprietary software platform which manages patient readings and health alerts. Developed full stack features in Java Spring Boot and React/NextJS/Typescript, including integration with Impilo’s ECG readings and Elation’s patient care team workflows. Authored migration scripts for Flyway DB and PostgreSQL database enhancements and deployments. Delivered production ready, error free code, and maintained technical research documentation. Enhanced testing coverage of the application with the use of ViteTest, Playwright, and JUnit. Handled rotational on-call duties by investigating issues with AWS logging in Cloud Watch and Cloud Formation, and following company protocols for issue mitigation.
Senior Software Engineer at Apex Systems
March 1, 2023 - April 1, 2025
Contract Technologies: React, TanStack Query, Jest, Testing Library, Cypress.io, AWS Lambda, DataDog, Kibana. Led frontend development and modernization efforts, implementing robust UI features and improving observability. Collaborated with product and QA teams to ensure reliability and performance.
Lead Front End Software Engineer at EncipherUSA
August 1, 2022 - February 1, 2023
Frontend development for a document security platform using Vue and Pinia; built a custom component library with the design team; presented proofs of concepts to board and influenced technical direction; adapted to rapidly changing requirements in a fast-paced environment.
Full Stack Software Engineer at Hearts Magazines
March 1, 2021 - August 1, 2022
Enhanced the customer management system MyLo by using React, Redux Saga on the frontend and Node/Express on the server. Optimized queries for PostgreSQL and Redis, built a custom component library with the design team. Upgraded the CI/CD pipeline to run with GitHub Actions. Maintained 100% test coverage using Jest and Cypress.io.
Software Engineer at USAA Bank
June 1, 2019 - October 1, 2021
Modernized the frontend flow for all credit card applications by utilizing React and Redux. Mentored junior developers and backend developers new to frontend. Migrated unit testing from Mocha/Chai/Enzyme to Jest/React Testing Library/Cypress.
Software Engineer at Apex Systems
November 1, 2018 - June 1, 2019
Contract Technologies: Java, Wicket, WebSphere, DB2, JavaScript. Pushed the frontend/backend work forward on a Java/WebSphere stack and contributed to overall system reliability and performance.
Software Engineer at Inter-Images Inc.
May 1, 2011 - June 1, 2018
Built custom pages to aid in health club sales. Elicited requirements directly from stakeholders. Produced custom marketing materials and video shorts. Migrated the program from a desktop application to a web-based one.

Education

Software Engineering at Arizona State University
January 1, 2017 - January 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services