Mobile App Developer

Data-Core Systems, Inc. is a provider of information technology, consulting and business process services. We offer breakthrough tech solutions and have worked with companies, hospitals, universities and government organizations. A proven partner with a passion for client satisfaction, we combine technology innovation, business process expertise and a global, collaborative workforce that exemplifies the future of work. For more information about Data-Core Systems, Inc., please visit https://datacoresystems.com/.

Data-Core Systems Inc. is seeking a Mobile App Developer to be a part of our Consulting team. You will participate and effectively contribute to the design, development, and implementation of complex applications, often using new technologies. You will provide technical expertise and systems design for individual initiatives. You will have the opportunity to work with other SME consultants from our existing team.

Roles & Responsibilities:

• Design and develop mobile applications for iOS and Android platforms using modern frameworks (e.g., Flutter, React Native, or native development).

• Integrate mobile apps with backend systems including SAP ERP and Microsoft Dynamics 365 for real-time data synchronization.
• Collaborate with UX/UI designers to deliver intuitive and engaging user experiences.
• Implement secure payment gateways and tolling functionalities within the app.
• Optimize app performance, troubleshoot issues, and ensure high reliability across devices.
• Work closely with backend developers and enterprise architects to ensure seamless API integration.
• Maintain code quality, perform unit testing, and adhere to best practices in mobile development.
• Stay updated on emerging mobile technologies and recommend improvements.
• Fully document all created work associated with this position, including technical and functional designs and diagrams, test plans, test scripts, impact analysis reports, lessons learned, best practices for others to follow, plus any other documentation as required by the client. This documentation shall follow the format and / or templates as instructed by the client.
• Develop and maintain a productive working relationship with technology staff, business owners, project sponsors, vendors, and key clients.
• Lead and participate in project team activities for system work efforts related to enterprise systems.
• Work independently to accomplish the tasks and duties assigned.
• Adhere to and follow all of the client's standards, policies, and procedures.
• Utilize various software and/or technology tools to perform job duties.
• Perform tasks and other duties as related to this position and role and assigned by the client.

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 3+ years of experience in mobile app development (iOS and Android).
• Proficiency in React Native, Flutter, React Native, or native development (Swift, Kotlin) and JavaScript/TypeScript.
• Strong understanding of mobile app architecture, state management (Redux, MobX), and navigation libraries.
• Experience with iOS and Android development and platform-specific guidelines.
• Strong understanding of RESTful APIs and integration with enterprise systems.
• Experience with NodeJS, and familiarity with Dataverse.
• Experience with testing frameworks (such as Jest and Detox) for mobile applications.
• Experience with SAP and Microsoft Dynamics 365 integration.
• Knowledge of secure payment processing and PCI compliance.
• Familiarity with cloud platforms (Azure, AWS) and CI/CD pipelines and version control.
• Excellent problem-solving skills and ability to work in a fast-paced environment.

• Experience in tolling or retail industry applications.
• Knowledge of SAP Fiori or OData services.
• Understanding of mobile analytics and push notifications.