Freelance App Store Optimization Jobs in Kentucky

About the role
As a Senior React Native Developer, you will make an impact by designing, building, and optimizing high-quality cross-platform mobile applications that deliver exceptional user experiences across iOS and Android platforms. You will be a valued member of the engineering team and work collaboratively with UI/UX designers, backend developers, product owners, and cross-functional stakeholders to deliver scalable mobile solutions.
Work model
This is a hybrid role based on business requirements in Louisville, KY. Regardless of work arrangement, we support a healthy work-life balance through our wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
Important Disclaimers:
Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
In this role, you will:

• Design, develop, and maintain cross-platform mobile applications using React Native and modern frontend technologies.
• Collaborate with UI/UX designers to transform wireframes and visual designs into responsive, user-friendly mobile experiences.
• Integrate RESTful APIs, third-party SDKs, and external services to support business functionality and seamless user interactions.
• Ensure code quality through adherence to development best practices, code reviews, testing, and technical documentation.
• Troubleshoot and resolve application performance issues, crashes, and device compatibility challenges while supporting Agile development practices.

What you need to have to be considered

• 3+ years of hands-on experience developing mobile applications using React Native.
• Strong proficiency in JavaScript and TypeScript.
• Experience with state management frameworks such as Redux or Context API.
• Solid understanding of REST API integration and third-party SDK implementation.
• Experience working with native modules and React Native bridging concepts.
• Knowledge of mobile application architecture, debugging, optimization, and performance tuning.
• Experience working in Agile development environments and collaborating with cross-functional teams.

These will help you stand out

• Experience publishing and maintaining applications in the Apple App Store and Google Play Store.
• Familiarity with testing frameworks such as Jest, React Native Testing Library, or Detox.
• Experience with CI/CD pipelines for mobile application delivery.
• Understanding of mobile security best practices and application monitoring tools.
• Exposure to cloud platforms and modern backend integration patterns.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation:
The annual salary for this position is between $68,000 - $135,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer:
The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.