Senior Mobile Developer (React Native)
About the role
As a Senior Mobile Developer (React Native), you will make an impact by designing, developing, and maintaining high-quality mobile and web applications that deliver exceptional user experiences. You will be a valued member of the engineering team and work collaboratively with Product Managers, UX Designers, Backend Developers, and other cross-functional stakeholders to deliver scalable digital solutions.
In this role, you will:
- Develop and maintain mobile applications using React Native and web applications using React.js.
- Design and implement reusable, scalable, and maintainable frontend architectures and components.
- Integrate APIs and networking services while ensuring reliability, security, and optimal performance.
- Collaborate with cross-functional teams to translate business requirements into technical solutions.
- Participate in code reviews, testing, Agile ceremonies, and continuous improvement initiatives to promote engineering excellence.
Work model
This is a hybrid position requiring 2 days per week in a client office in São Paulo, Brazil. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
What you need to have to be considered
- Advanced English proficiency, with the ability to communicate effectively in global teams.
- 5+ years of hands-on experience developing applications with React.js.
- Proven experience building and maintaining mobile applications using React Native.
- Strong understanding of API integration, networking libraries, authentication mechanisms, and error handling.
- Experience with Git-based development workflows, CI/CD pipelines, and collaborative engineering practices.
- Knowledge of modern software engineering principles, secure coding practices, and frontend architecture patterns.
- Experience working within Agile environments and distributed or hybrid teams.
These will help you stand out
- Experience with Swift and native iOS development.
- Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- React Developer certification or similar frontend development certifications.
- Cloud platform certifications or mobile development certifications.
- Experience with application performance tuning and scalable frontend/mobile architectures.
- Strong understanding of automated testing frameworks and quality engineering practices.
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.
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.
