Stephen D

Frontend Development (Android):

• Engineered responsive and visually appealing user interfaces for Android applications using XML and Kotlin, ensuring optimal performance across multiple device types and screen sizes
• Implemented MVVM (Model-View-VM) architecture to enhance code maintainability and establish clear separation of concerns
• Integrated Room Database with proper schema design, entity relationships, and Data Access Objects (DAOs), implementing repository patterns for efficient data handling
• Managed Room Database migrations to support application evolution while preserving data integrity
• Collaborated with UI/UX designers to transform design mockups into functional, intuitive Android interfaces
• Maintained awareness of emerging Android development trends, incorporating new features, APIs, and libraries to enhance application capabilities.

Backend Development:

• Worked with serverless architecture and utilized the Serverless Framework with Node.js, contributing to efficient cloud resource management and reduced operational complexity
• Designed and built verification processes within a CRM system, implementing robust validation workflows and business rule enforcement
• Developed secure and scalable RESTful APIs with comprehensive authentication, authorization, data validation, and error handling mechanisms for seamless data processing
• Designed efficient database schemas and optimized queries in PostgreSQL and MongoDB, ensuring high-performance data storage and retrieval operations
• Utilized AWS ecosystem services including AWS SQS for asynchronous communications, AWS S3 for document storage, and AWS Lambda for automated report generation and delivery.

Cross-Functional Responsibilities:

• Collaborated with cross-functional teams to translate business requirements into technical specifications and implementation strategies
• Utilized AWS Code-Commit for version control, enabling efficient team collaboration and code management
• Conducted thorough code reviews to maintain high standards of code quality, readability, and maintainability
• Monitored and optimized application performance, security, and scalability to ensure reliable system operation
• Deployed and maintained applications in Linux environments, implementing best practices for system stability and security
• Participated actively in Agile development processes, contributing valuable insights during sprint planning and retrospectives