Senior Software Engineer- Full Stack (Java/React)

Relha LLC; Springfield, Northern (MO, KY); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

PTO

Stock Purchase Plan

401k with Employer Contributions

Medical, Dental, & Vision Insurance

Tuition Assistance

Career Growth

Equal Opportunity Employer

Job summary

O’Reilly Auto Parts is seeking a Senior Software Engineer - Full Stack to design, develop, test, and implement resilient software solutions in an on-site role in Springfield, MO. You will mentor junior engineers while leading technical initiatives and contributing to architectural decisions to meet business needs.

The role requires hands-on full-stack development with Java and React or Vue, strong SDLC expertise, and collaboration across product, design, and engineering teams.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 3–6 years of experience as a software engineer.
• Experience mentoring junior engineers.

Responsibilities

• Design, develop, test, and implement full-stack solutions using Java and React/Vue.
• Lead the team and mentor junior engineers in best practices.
• Contribute to architectural decisions and technical strategy.
• Develop tests and monitoring to ensure performance and reliability.
• Collaborate with product managers, designers, and engineers to deliver roadmaps.

Skills

Java

React

Vue

LDAP

CI/CD

Testing

Architecture

Cross-Functional Collaboration

Mentoring

SDLC

Education

Bachelor's Degree in Computer Science

Tools

Git

JUnit

Job description

Senior Software Engineer- Full Stack (Java/React)

The Sr Software Engineer operates with a high degree of independence and leverages multiple functional and technology skillsets to design, develop, test, and implement resilient software solutions. The Sr Software Engineer supports in leading the team through consistent software development best practices and will mentor and guide junior engineers, fostering their technical growth.

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

Responsibilities and Duties:

Document "as is" and "to be" processes and describe the changes required to migrate to the "to be" capability to accurately record the changes required.

Discuss and recommend technical developments to improve the quality of the software solutions and supporting infrastructure to better meet users’ needs.

Produce multiple concepts and prototypes to technical solution design.

Contribute to architectural decisions and technical strategy

Develop, automate, and perform complex testing and monitoring to diagnose and correct application functionality and/or performance issues; validate and interpret test data to verify that specifications are met and/or to identify remedial actions required to ensure suitability.

Implement comprehensive solution monitoring to diagnose application performance and stability issues.

Troubleshoot and resolve complex technical issues

Collaborate effectively with product owners, designers, and other engineers to define and deliver on product roadmaps

Develop work breakdown schedules and estimates in order to develop and achieve software project delivery timelines.

Contribute to and maintain a technical roadmap to facilitate application software development and ensure the development work is prioritized in line with business requirements.

Provide guidance and support to others on continuous integration activities (sharing, testing and building), working within established operational systems.

Explore and develop a detailed understanding of external developments or emerging issues and contribute to the evaluation of their potential impact on, or usefulness to, the organization.

Develop own capabilities by participating in assessment and development planning activities as well as formal and informal training and coaching; gain or maintain external professional accreditation, where relevant, to improve performance and fulfill personal potential. Maintain an understanding of relevant technology and industry best practices through ongoing education and reading specialist media.

Skills:

Required:

Full-Stack Engineering: Hands-on experience with the full SDLC, specializing in full-stack development using Java and Vue or React.

Architecture & Strategy: Documents current/future state processes, evaluates emerging tech, and helps shape technical roadmaps and architecture.

Prototyping & Design: Builds proof-of-concepts, designs scalable solutions, and recommends tech stack improvements to meet business needs.

Testing & Diagnostics: Implements automated testing, real-time monitoring, and root-cause analysis to resolve complex stability and performance issues.

Cross-Functional Collaboration: Partners with product managers, designers, and engineers to break down work, estimate timelines, and deliver product roadmaps.

Continuous Improvement: Mentors team members, guides CI/CD practices, and stays up to date with industry best practices.

Directory Services & Security: Experience configuring, integrating, and managing LDAP for user authentication and directory services.

Education: Bachelor's Degree or Equivalent 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: Basic experience coordinating the work of others (4 to 6 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)

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: [emailprotected] or call [phone] option , and provide your requested accommodation, and position details.