Mobile Application Developer-Full stack(React Native)

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

GDS Digital - Senior Software Engineer - Full Stack and Mobile At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. About Global Delivery Services Global Delivery Services refers to EY's worldwide network of service delivery centers. The GDS team plays an important role in EY’s strategy by ensuring effective support to EY’s growth agenda. Our journey started in 2002 with approximately 200 people. Today we stand at 80,000+ professionals in ten locations around the world. We operate in Argentina, China, Hungary, India, Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom. Client service is focused on providing Consulting, Assurance, Tax, Strategy & Transactions, and Knowledge support to our clients around the world. The teams enable account teams worldwide to provide seamless, high-quality, value-added support, helping deliver exceptional client service. Enablement Services provides cost-effective, high-skilled, and innovative services to support EY’s global and local enablement teams. Markets, BMC, AWS, Finance and Accounting, Risk Management, Procurement, People Shared Services, IT Service Delivery and IT Global Infrastructure services are among the services offered by Enablement Services. Our innovation specialists serve the GDS Client Service and Enablement Services teams, along with Service Lines, Core Business Services and Sectors. The team brings the desired environment, technologies and skilled teams together for facilitation, rapid prototyping and innovative thinking. The competencies offered include analytics, digital, user experience, mobile technology, infrastructure, Microsoft technologies and open innovation. The Opportunity As a Senior Software Engineer – Full Stack & Mobile in GDS Digital, you will play a key role in designing and delivering secure, scalable and high-performing enterprise solutions across .NET backend APIs and React Native mobile applications. The role requires strong hands-on experience in creating RESTful APIs using C#, .NET Core / ASP.NET Core, integrating APIs with enterprise mobile applications, and delivering React Native solutions for both iOS and Android. The ideal candidate should be comfortable owning technical modules end-to-end, contributing to solution design, implementing MSAL / Microsoft identity-based authentication, supporting Intune app wrapping / enterprise app protection requirements and mentoring junior engineers. Your Key Responsibilities • Design, develop and maintain scalable backend systems, RESTful APIs and reusable services using C#, .NET Core / ASP.NET Core. • Own API design, request / response modelling, validation, authentication, authorisation, exception handling, logging and performance optimisation. • Lead React Native mobile application development for enterprise-grade iOS and Android applications. • Integrate mobile applications with backend APIs, authentication providers, Microsoft identity platform and enterprise systems. • Implement and troubleshoot MSAL authentication flows including token acquisition, refresh, redirect URI / deep link handling and secure session management. • Support enterprise mobile security requirements including Microsoft Intune app wrapping / Intune SDK concepts, app protection policies, secure storage and SSL pinning awareness. • Contribute to mobile build, packaging and deployment activities across Android and iOS