Volunteer Ruby Rails Developer Jobs in Stockton, CA

What We Need
Corpay is currently looking to hire a Mobile Architect within our Corpay Complete division. This position falls under our Commercial Cards line of business and is in Elk Grove, CA. This role will contribute to the design, development, testing, and support of our mobile applications across iOS and Android, with a primary focus on React Native development. The ideal candidate will bring strong hands-on experience building mobile applications, solid engineering fundamentals, and the ability to work effectively in a collaborative product environment. This is a great opportunity for an engineer who enjoys building user-facing features, integrating with backend services, and improving mobile application quality and performance. As a Mobile Engineer, you will work closely with product managers, designers, backend developers, and QA teams to deliver high-quality mobile features. This role is best suited for someone who is comfortable working in an agile environment, contributing to technical discussions, and taking ownership of features from development through release. In this role, you will report directly to the Engineering Manager in the Corpay Complete division.
How We Work
As a Mobile Architect, Corpay will set you up for success by providing:

• Assigned workspace in Elk Grove office
• Company-issued equipment

Role Responsibilities
The responsibilities of the role will include:

• Developing and maintaining mobile application features using React Native
• Building user experiences across iOS and Android for workflows such as expenses, approvals, receipts, cards, and account management
• Integrating mobile applications with backend APIs and services
• Writing clean, maintainable, and well-tested code
• Participating in code reviews, technical discussions, and sprint planning
• Troubleshooting defects, performance issues, and production incidents
• Supporting mobile capabilities such as push notifications, file and image uploads, secure authentication, and device permissions
• Partnering with QA and product teams to ensure high-quality releases
• Contributing to ongoing improvements in app performance, reliability, usability, and developer workflows
• Assisting with release preparation, regression validation, and post-release support

Qualifications & Skills

• 4+ years of software engineering experience
• 2+ years of hands-on React Native development experience
• Strong experience with JavaScript and/or TypeScript
• Experience building and shipping production mobile applications for iOS and Android
• Experience integrating mobile applications with REST APIs and backend services
• Familiarity with common mobile development patterns including navigation, state management, asynchronous data handling, and form-based workflows
• Experience debugging issues across devices, simulators, and mobile environments
• Understanding of mobile app lifecycle, performance considerations, and platform-specific behaviors
• Experience with unit, component, or end-to-end testing for mobile applications
• Ability to work effectively in a team environment and communicate clearly with technical and non-technical stakeholders
• BA/BS in Computer Science, Software Engineering, or equivalent practical experience

Preferred Qualifications

• Experience with enterprise SaaS, fintech, payments, expense management, or AP automation platforms
• Experience with push notifications, secure storage, biometric authentication, or camera/document upload workflows
• Familiarity with mobile app release processes for the App Store and Google Play
• Exposure to backend technologies such as Ruby on Rails and cloud-based application environments
• Experience working in a fast-paced product organization with evolving priorities

Benefits & Perks

• Medical, Dental & Vision benefits available the 1st month after hire

• Automatic enrollment into our 401(k) plan (subject to eligibility requirements)

• Virtual fitness classes offered company-wide

• Robust PTO offerings including major holidays, vacation, sick, personal, & volunteer time

• Employee discounts with major providers (i.e. wireless, gym, car rental, etc.)

• Philanthropic support with both local and national organizations

• Fun culture with company-wide contests and prizes

Pay Transparency
The expected salary range for this position is $129,400 - $161,800 based on the candidate's work location. This range reflects a good faith estimate of the expected compensation for this role at the time of posting. The final offer will be determined based on job-related factors including skills, experience, qualifications, and applicable market conditions. Compensation may vary based on geographic location and will be confirmed during the hiring process. Additional compensation and benefits, including incentive programs, health coverage, retirement plans, paid time off, and other benefits (where applicable), may also be provided.
About Corpay
Corpay is a global technology organization that is leading the future of commercial payments with a culture of innovation that drives us to constantly create new and better ways to pay. Our specialized payment solutions help businesses control, simplify, and secure payment for fuel, general payables, toll and lodging expenses. Millions of people in over 80 countries around the world use our solutions for their payments.
At Corpay, we are committed to fostering an inclusive and respectful workplace where employees are valued for their diverse perspectives, experiences, and contributions. We believe that diversity, equity, and inclusion strengthen our teams, drive innovation, and support our continued success globally.
As part of our hiring process, offers of employment may be subject to the successful completion of pre-employment screening conducted by an authorized third-party provider, in accordance with applicable laws and Corpay policies. Screening requirements may include employment references, identity verification, criminal record checks, financial or sanctions screening, and other background checks relevant to the role and permitted by local law.
Notice to Recruitment Agencies and Search Firms: Corpay does not accept unsolicited resumes from agencies or search firms without a valid written agreement in place. Any unsolicited candidate submissions will become the property of Corpay, and no fees will be paid related to such submissions.
Learn more about Corpay: https://www.corpay.com
Transparency & Compliance
Equal Opportunity Employer
Corpay is committed to providing equal employment opportunities to all applicants and employees. Employment decisions are made without regard to race, color, religion, sex (including pregnancy), gender, gender identity or expression, sexual orientation, national origin, ancestry, age, disability, marital status, genetic information, military or veteran status, or any other characteristic protected by applicable law. Corpay is committed to fostering an inclusive workplace where individuals are respected and valued for their diverse perspectives, experiences, and contributions. If you require reasonable accommodation during any part of the application or interview process, please notify a representative of the Human Resources Department.
Use of Artificial Intelligence in Hiring
Corpay may use artificial intelligence (AI) and other technology-enabled tools to support certain aspects of the recruitment process, such as application screening, candidate assessment, or interview scheduling. These tools are designed to enhance efficiency, consistency, and fairness throughout the hiring process. AI tools do not make final hiring decisions. All employment decisions involve human review. Corpay is committed to the responsible use of AI, including appropriate oversight and safeguards designed to support fair and unbiased outcomes.
Candidate Privacy Notice
For information about how Corpay processes personal information during the recruitment process, please review our Candidate Privacy Notice: https://www.corpay.com/privacy-policy.
Pay Philosophy
Corpay is committed to fair, equitable, and transparent compensation practices. Compensation decisions are based on objective, job-related factors including skills, experience, qualifications, and market benchmarks. Where required by applicable law, salary or compensation ranges will be included in the job posting or provided prior to the interview process, where required by applicable law. Additional compensation elements such as bonuses, incentives, benefits, or variable pay may apply where applicable.