Computer Services (CSI)

Software Engineer III (Mobile - React Native)

Computer Services (CSI)$110K — $130K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of professional software engineering experience with a focus on mobile development.
  • 4-5 years of hands-on experience with React Native and TypeScript.
  • Familiarity with financial systems and banking platforms is preferred.
  • Bachelor's degree in software engineering or equivalent industry experience required.
  • Strong engineering fundamentals including clean code, maintainable architecture, and performance awareness.
  • Excellent communication skills for collaboration across various teams.
  • Ability to manage competing priorities in an Agile environment.

Responsibilities

  • Lead the development and rollout of large mobile projects and cross-platform solutions.
  • Enforce best practices in React Native, TypeScript, and responsive design.
  • Deliver high-quality mobile features efficiently and on schedule.
  • Define mobile architecture and assess integration risks.
  • Promote Agile, CI/CD practices; mentor and coach peers.
  • Apply modern mobile technologies within the evolving TypeScript ecosystem.
  • Drive mobile UX and architecture strategy within the online banking context.

Benefits

  • Comprehensive range of benefits offered.
  • Eligibility for incentive awards based on individual and business performance.
Full Job Description
Job Description:

Software Engineer III designs, codes, tests, and debugs scalable mobile applications using React Native and TypeScript; maintains and documents program changes with a focus on performance, usability, and reliability across iOS and Android. Works in complex areas of major CSI applications with emphasis on mobile architecture and third-party integrations, including banking core systems. Contributes to modernization of existing technologies and integration layers. Requires strong problem-solving, creativity, and high engineering standards to deliver intuitive, high-performing mobile experiences.

Responsibilities:
  • Project Leadership: Own development and rollout of large mobile projects and cross-platform solutions integrated with backend systems.
  • Standards and Practices: Enforce best practices in React Native, TypeScript, mobile performance, and responsive design.
  • Project Management: Deliver high-quality mobile features efficiently and on time.
  • Technical Specifications: Define mobile architecture, APIs, and integration risks (performance, compatibility, dependencies).
  • Coaching and Mentorship: Promote Agile, CI/CD, and mobile best practices; mentor peers.
  • Expertise and Innovation: Apply modern mobile technologies and evolving TypeScript ecosystem.
  • Programming Knowledge: Strong in React Native and TypeScript; ability to collaborate across backend and integrations.
  • Thought Leadership: Drive mobile UX, architecture, and integration strategy in online banking domain.
  • Mentorship: Guide engineers in scalable mobile development.
  • Additional Duties: Support team effectiveness and cross-functional initiatives.


Requirements:
  • Requires 5+ years of professional software engineering experience, with strong mobile development experience delivering scalable, reliable applications.
  • Must have 4-5 years of hands-on React Native and TypeScript experience, including API, backend service, and third-party system integrations.
  • Experience with financial systems, banking platforms, core integrations, or regulated technology environments preferred.
  • College degree in software engineering, or related field or equivalent industry experience required.
  • Strong engineering fundamentals, including clean code, maintainable architecture, performance, testing, reliability, security awareness, and documentation.
  • Clear communicator who can collaborate across engineering, product, design, QA, security, architecture, and business teams.
  • Ability to manage competing priorities in an Agile environment while balancing delivery, support, technical debt, and quality.

CSI provides rewarding and challenging career opportunities for our employees. When determining your pay, we consider various factors such as your skills, qualifications, experience and location. Along with a competitive salary, this position includes eligibility for incentive awards based on both individual and business performance. We also offer a comprehensive range of benefits. To learn more about our benefits, visit: Benefits Summary

About Computer Services (CSI)

Computer Services, Inc. (CSI) is a provider of technology solutions for financial institutions. The company offers core processing, digital banking, managed services, regulatory compliance, risk management, and other technology solutions. CSI serves more than 1,000 customers in the United States and has offices in Kentucky, Georgia, Texas, and California. The company was founded in 1965 and is committed to providing innovative and reliable technology solutions to help financial institutions succeed.
Learn more about Computer Services (CSI)
Size
1,900 employees
Industry
Founded
1965

Similar Jobs

More Jobs at Computer Services (CSI)

More Information Technology Jobs

Find similar Software Engineer III (Mobile - React Native) jobs: