Principal Software Engineer - Vue.Js

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Job Description
The Principal Software Engineer on this Experience team drives the visual modernization of an established application with a Vue front end backed by PHP, where newer pages are built in Vue and legacy pages remain in jQuery, as part of isolved's Suite Experience initiative. This is a hands-on senior development role focused on refreshing and elevating the user interface of a live product: modern, responsive, and accessible interfaces delivered within the application's existing technology stack. This is a visual modernization effort, not a ground-up rewrite. You will improve the experience of a running application where it lives, which means you pair strong, transferable front-end engineering fundamentals with real depth in the application's stack. A significant part of the work is modernizing legacy jQuery pages into modern, component-based Vue.
This role requires strong architecture thinking, but the day-to-day is hands-on coding, not high-level design from a distance. The expectation is that you design solutions and then implement them yourself. Our modernization strategy is built on hiring fewer, highly senior engineers who use AI-assisted development as a force multiplier, and we expect you to leverage agentic coding, spec-driven development, and AI-augmented code review as a core part of how you work, including to ramp quickly on an unfamiliar codebase. You will partner closely with product management and UX to translate experience goals into performant, consistent, and maintainable interfaces, and you will integrate cleanly with isolved's evolving service architecture.
Core Job Duties
Refreshing and elevating the interface within a Vue and PHP application, including modernizing legacy jQuery pages into modern, component-based Vue, while preserving existing behavior Building modern, responsive, and accessible UI improvements with a focus on performance and consistency
Establishing and elevating front-end quality across the team, including component structure, CSS architecture, state management, and performance
Performing code reviews to ensure front-end implementations meet quality standards and follow established patterns
Collaborating with product management and UX design to translate experience goals into scalable technical solutions
Identifying and resolving performance bottlenecks in the UI layer, including load times, rendering performance, and client-side resource management
Integrating cleanly with backend services through RESTful APIs
Raising the bar on modern front-end development practices across the team through code reviews, pairing, and leading by example
Using AI-assisted development tools, including agentic coding, spec-driven development, and AI-augmented code review, as a core part of your daily workflow to maximize velocity and code quality, and to ramp quickly on unfamiliar legacy code
Job Complexity
As an expert in the field, uses professional concepts in developing resolution to critical issues and broad design matters. Anticipates broad changes pertaining to their area of expertise and ensures isolved is always ahead of the curve. Significant barriers to entry (e.g., top management review, approval) exist at this level.
Experience
Typically requires a minimum of 7 years of related experience with a Bachelor's degree.
Minimum Qualifications
7+ years developing web applications
3+ years developing cloud-native applications
Demonstrated use of AI-assisted development tools (GitHub Copilot, Claude Code, Cursor, or similar) as part of professional development workflows
Demonstrated ability to ramp quickly on unfamiliar legacy codebases. Be prepared to walk through a specific example
Ability to work independently to research and solve complex problems
Strong skills in:
Expert-level Vue 3, including component libraries and design systems
Component-driven UI architecture
Modern JavaScript and TypeScript
CSS architecture
Responsive and accessible web design
State management patterns
Front-end performance
Experience with:
RESTful API consumption and clean backend integration
Azure
SOLID principles
Unit and integration testing for front-end applications
Experience with the following a plus:
Ability to read and modernize legacy jQuery into modern, component-based Vue
Familiarity reading and working within a PHP-backed application
Design system integration and component libraries
Accessibility standards (WCAG 2.1)
Performance profiling and optimization tools
About Isolved
isolved is an employee experience leader, providing intuitive, people-first HCM (Human Capital Management) technology. Our solutions are delivered directly or through our partner network to more than five million employees and 145,000 employers - who use them every day to boost performance, increase productivity, and accelerate results while reducing risk. Our HCM platform, isolved People Cloud, seamlessly connects and manages the employee journey across talent management, HR & payroll, workforce management and engagement management functions. No matter the industry, we help high-growth organizations employ, enable and empower their workforce by transforming employee experience for a better today and a better tomorrow. For more information, visit www.isolvedhcm.com.
EEO Statement
isolved is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. isolved is a progressive and open-minded meritocracy. If you are smart and good at what you do, come as you are.
Disability Accommodation
Visit www.isolvedhcm.com/careers for more information regarding our incredible culture and focus on our employee experience. Visit www.isolvedeebenefits.com for a comprehensive list of our employee total rewards offerings.
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions outlined above.

Work arrangement
No