Principal Software Engineer- UI/UX (React)

The

Principal Software Engineer

operates with a high degree of independence, providing technical oversight, architectural vision, and hands-on guidance for our front-end ecosystems. Sitting within the Architecture Team, you will define and implement modern UI/UX engineering standards across the enterprise. This role is instrumental in designing, developing, and scaling high-quality, resilient user experiences that power our retail systems, mobile applications, web platforms, and beyond.

This is an on-site position located in Springfield, MO. Remote work is not an option for this position.

Responsibilities and Duties:

Architectural Leadership:

Drive the technical direction, standards, and best practices for front-end development across web and mobile applications.
UI/UX Implementation:

Collaborate closely with product design teams to translate complex UX visions into scalable, reusable, and accessible component libraries.
Enterprise Scaling:

Support and modernize high-traffic retail systems, ensuring seamless integration between front-end interfaces and backend services.
Technical Oversight:

Provide mentorship, code reviews, and technical governance to engineering teams to ensure compliance with architectural standards.
Innovation & Resilience:

Design software solutions with a focus on performance, security, maintainability, and exceptional user experience.
Continuous Improvement:

Recommend and champion technical advancements to elevate software quality and infrastructure performance.
Cross-Functional Collaboration:

Partner with cross-functional teams to conceptualize data-driven technology solutions and original designs.
Application Evolution:

Guide the lifecycle of new and existing applications by identifying critical areas for modification and improvement.
Advanced Testing & Monitoring:

Develop and automate complex testing, diagnostics, and proactive alerting to optimize application stability and performance.
Defect Resolution:

Monitor, isolate, and resolve complex software defects to maintain high-functioning, resilient applications.
Project Delivery & Estimation:

Lead work breakdown structures (WBS), scoping, and estimation activities to ensure predictable software delivery timelines.
Technical Roadmapping:

Contribute to and maintain a technical roadmap aligned with overarching business priorities.
CI/CD Governance:

Oversee continuous integration and deployment (CI/CD) activities within established operational guardrails.
Technology Scouting:

Evaluate emerging industry trends, tools, and external developments for their potential impact and utility to the organization.
Professional Development:

Maintain an in-depth understanding of industry best practices, regulations, and technologies through continuous learning.
Skills:
Required:

10+ years of experience in software engineer related role
Modern Front-End Expertise:

Deep production experience with

React.js

or equivalent modern JavaScript frameworks (e.g., Vue, Angular), along with state management libraries and front-end build tools.
UI/UX Engineering Focus:

A strong eye for design systems, responsive layouts, web accessibility (WCAG), and user-centric workflows.
Architectural Mindset:

Experience establishing engineering standards, creating reusable frameworks, and guiding multi-functional development teams.
Complex Ecosystems:

Proven track record supporting large-scale enterprise web applications or high-traffic retail/point-of-sale systems.
Provides team oversight and guidance, to understand and apply the Software Development Life Cycle (SDLC), including requirements analysis, design, development, testing, and maintenance, to effectively develop software that supports modelling activities.
Plans, organizes, prioritizes and oversees activities to efficiently meet objectives.
Assimilates and understands data and information from various sources in order to draw appropriate conclusions and make relevant recommendation.
Understands business context, needs, rules, and architecture, as well as organizational structure, cultures, capabilities, and processes to document the current state of technology and operational processes.
Leads team to envision and document the future state of processes and products by identifying the solution scope, potential value of the future state, and the changes to the process, technology, organization infrastructure, and capabilities necessary to achieve the desired future state.
Creates clear, comprehensives, effective documentation and artifacts that convey complex technical concepts that illustrate and explain overall technical specifications and solution/architecture design; may provide oversight and review of teams' technical documentation.
Develops software through use of programming languages, tools, and platforms including:
Object or component-oriented development
Database User Interfaces and Queries
Cloud Computing: understand, deploy, and manage cloud-based infrastructure and services.
Designs, executes and reports on systems/service tests to ensure that an application functions as specified in the requirements.
Installs, sets up, configures, and manages software and environments.
Monitors, diagnoses and fixes problems with technology products.
Desired:

Mobile Development:

Experience building or supporting mobile applications (Native, React Native, or hybrid mobile frameworks).
Cloud Ecosystems:

Experience deploying and managing front-end applications within cloud environments (AWS, Azure, or GCP).
Java Knowledge:

Familiarity with Java-based backend services, microservices, or APIs to help bridge the gap between UI and backend architecture.
Retail knowledge or experience
Education: Bachelor's Degree or Equivalent Level in Computer Science or related field
Experience: Experienced practitioner able to deal with the majority of situations and to advise others (3 to 6 years)
Managerial Experience: Experience with general supervision of more junior colleagues (7 to 12 months)

O'Reilly Auto Parts has a proven track record of growth and stability. O'Reilly is full of successful career stories and believes in a strong promote-from-within philosophy, encouraging you to grow your career along with the organization.

Total Compensation Package:

Competitive Wages & Paid Time Off
Stock Purchase Plan & 401k with Employer Contributions Starting Day One
Medical, Dental, & Vision Insurance with Optional Flexible Spending Account (FSA)
Team Member Health/Wellbeing Programs
Tuition Educational Assistance Programs
Opportunities for Career Growth

O'Reilly Auto Parts is an equal opportunity employer. The Company does not discriminate on the basis of race, religion, color, national origin or ancestry (including immigration status or citizenship), sex, sexual orientation, gender identity, pregnancy (including childbirth, lactation, and related medical conditions,) age (40 and over), veteran status, uniformed service member status, physical or mental disability, genetic information (including testing or characteristics) or another protected status as defined by local, state, or federal law, as applicable.

Qualified individuals with a disability may be entitled to reasonable accommodation under the Americans with Disabilities Act. If you require a reasonable accommodation during the application or employment process, please send an email to: rar@oreillyauto.com or call (800) 471-7431 option , and provide your requested accommodation, and position details.