Freelance React Native Developer Jobs in Riverside, NJ

SUMMARY
As a Senior Full Stack Developer on the TechShare team, you will work within a dynamic and rapidly evolving enterprise platform supporting Subaru's retailers, technicians, and internal organizations. TechShare is a collection of cloud-native, responsive web applications designed to operate seamlessly across desktop and mobile browsers as well as react native mobile applications for iOS and Android. This role pairs significant front-end development experience using modern JavaScript frameworks with deep backend development experience in Java and RESTful service design. In this position, you will collaborate with business analysts, backend engineers, lead developers, and business partners to design, develop, and enhance features that support Subaru's operational needs. You will help drive consistency across the front-end implementation, contribute to back-end service development, and deliver high-quality, scalable solutions that strengthen the foundation of the TechShare platform.

PRIMARY RESPONSIBILITIES

• Contribute to architecture for TechShare
• Help define and enforce coding standards and integration agreements
• Lead code reviews and mentor junior engineers
• Develop reusable components and shared libraries
• Implement backend services using Java/Spring Boot or Node.js
• Align front-end and backend contracts (API specs, models, error handling)
• Participate in sprint planning, refinement, and deployments
• Debug issues across mobile, web, APIs, and cloud infrastructure
• Support QA with testable features and quick defect resolution
• Collaborate with DevOps on CI/CD improvements

TECHNICAL SKILLS & QUALIFICATIONS

Required:

• 6+ years of professional software development experience
• Strong experience building production applications in React + modern JavaScript
• Proven ability to lead frontend architecture: component patterns, state strategy, and shared UI foundations
• Strong understanding of consuming and aligning to REST API contracts (models, validation, error handling, pagination)
• Experience working in cloud-hosted environments and integrated enterprise systems
• Experience with Git workflows and CI/CD fundamentals
• Experience in Agile/Scrum delivery environments
• Strong communication skills-can translate requirements into clear workflows and UX behavior

Preferred:

• Design system and component library experience in a multi-team environment
• Performance optimization experience including profiling, caching, and rendering efficiency
• Release management experience including feature flags, rollout strategy, and regression prevention
• CI/CD experience with GitHub Actions including build validation, PR quality gates, and automation
• SQL experience with PostgreSQL preferred for debugging and cross-team troubleshooting
• Experience with data and state libraries such as React Query, Redux, or Zustand
• Authentication flows and permissioned UI patterns such as SAML, OIDC, OAuth, and JWT

Nice-to-Have:

• React Native familiarity with high-level understanding sufficient
• Microservices awareness includes integration impacts, troubleshooting, and reliability patterns
• Automated testing experience with Jest, Testing Library, and Cypress
• Basic DevOps literacy including Docker concepts, pipelines, and environment configuration

NON-TECHNICAL SKILLS

• Excellent communication across technical and business audiences
• Strong problem-solving instincts and ownership mentality
• Ability to set standards, coach others, and lead by example
• Works independently while driving cross-team alignment
• Thrives in a fast-paced, high-visibility environment

WORKING ENVIRONMENT

Office Location: Camden, NJ apart of the Greater Philadelphia Area (Philly)

Hybrid Role: Remote work 2 days per week (After 90 Days) [Wednesdays & Fridays]
EDUCATION / EXPERIENCE
BA/BS in Computer Science or equivalent experience

Compensation: The recruiting base salary range for this full-time position is $115,700- $130,000 per year, depending on skills, experience, and qualifications.

Subaru offers a comprehensive benefits package including:
Medical, Dental, and Vision coverage
Pension, Profit Sharing, and 401(k) match
Paid time off, company holidays, floating holidays, and sick time
Tuition Reimbursement Program
Vehicle Discount Programs
Visit our Careers site to learn more about Subaru's total rewards and benefits.

About Subaru
LOVE. It's what makes Subaru, Subaru. As a leading auto brand in the U.S., we strive to be More Than a Car Company. Subaru believes in being a positive force in the communities in which we live and work-not just with donations, but through actions that set an example for others to follow. That's what we call our Subaru Love Promise.
Subaru is a globally renowned automobile manufacturer known for its commitment to innovation, safety, and sustainability. With a rich history dating back to 1953, Subaru continues to push the boundaries of automotive engineering to deliver vehicles that blend performance, utility, and adventure.
Our culture is built on collaboration, diversity, and a shared passion for our product. We foster an inclusive environment where team members are encouraged to bring their unique perspectives and expertise together to create exceptional experiences for our customers.