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.
As a forward-thinking software provider, Computer Services, Inc. (CSI) helps community and regional financial institutions solve their customers’ needs through open and flexible technologies. In addition to its award-winning core banking platform, these include the latest in lending, digital banking, payments, financial crime prevention and cybersecurity. Building on its 60-year track record of personalized service, CSI is shaping the future of banking and empowering its customers to rival their competition. For more information about CSI, visit www.csiweb.com
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
CSI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, physical and mental disability, marital status, veteran status, or any other characteristic protected by applicable law. If you need an accommodation during the recruitment process, please email us at [email protected] and we will work with you to meet your accessibility needs.
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Visa Sponsorship: We are unable to offer visa sponsorship for this position. Applicants must be authorized to work in the United States without the need for sponsorship now or in the future.
Skills Required
- 5+ years of professional software engineering experience
- 4–5 years of hands-on React Native and TypeScript experience
- Experience integrating APIs, backend services, and third-party systems
- College degree in software engineering or a related field, or equivalent industry experience
- Strong mobile development experience delivering scalable and reliable applications
- Strong engineering fundamentals, including clean code, maintainable architecture, performance, testing, reliability, security awareness, and documentation
- Ability to collaborate across engineering, product, design, QA, security, architecture, and business teams
- Ability to manage competing priorities in an Agile environment
- Experience with financial systems, banking platforms, core integrations, or regulated technology environments
What We Do
As a forward-thinking technology partner, we accelerate our delivery of cutting-edge solutions to empower our customers’ growth. CSI heavily invests in research and development, product partnerships and strategic acquisitions to provide the most innovative technologies—all while maintaining our service-first mentality. We drive financial institutions and other businesses forward with a variety of services, including: Core Banking With more than 57 years as a leader in core bank processing, CSI’s enterprise banking solutions empower institutions to compete in an open banking environment while growing assets, developing additional revenue streams and reaching new customers by integrating the latest digital technologies. Regulatory Compliance As an established leader in compliance, top global brands trust CSI as their regtech partner and rely on us for our advanced compliance software—including industry-leading fraud and anti-money laundering solutions. Managed Cybersecurity CSI offers cloud-based cybersecurity services, with 24/7 monitoring, real-time incident remediation, seamless compliance integration and industry-leading support for enhanced threat mitigation. IT Management As one of the largest, most trusted managed services partners in the country, we take a consultative approach to IT management to provide a scalable, efficient IT enterprise that supports institutions’ growth and regulatory needs. Document Distribution From digital document delivery to cost-efficient print and mail services, CSI provides a full range of document distribution solutions to help financial institutions stay connected with their customers. Advisory Services CSI’s Advisory Services—which include IT governance, compliance and risk management services—deliver cost-effective solutions that reduce the time and expense of managing security and compliance while ensuring technology is aligned to business objectives.
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