Ajay Kumar Singh

Full Stack Developer (Web & Mobile Applications)

• Worked as a Full Stack Developer across multiple projects, delivering web and mobile applications from concept to deployment.
• Analyzed client requirements, interpreted functional specification documents, and actively participated in daily Scrum meetings.
• Designed, developed, and deployed cross-platform mobile applications and web solutions while ensuring adherence to best practices and coding standards.
• Led teams, coordinated with architects, conducted code reviews, and maintained high code quality using tools like SonarLint and StyleCop.
• Developed and executed unit and integration tests to ensure robust and error-free code before deployment.
• Released multiple app versions on the App Store and Play Store, meeting project timelines and quality expectations.
• Project 1: Led the development of a web application, analyzing client requirements, ensuring code quality, and coordinating with architects. Integrated tools like SonarLint and StyleCop for maintaining code quality. Developed and tested unit and integration test cases in every sprint.
• Project 2: Developed a cross-platform mobile app using .NET MAUI for Android and iOS for Clarios technicians. Delivered 5 app versions from scratch on Play Store and App Store, focusing on performance and user experience.
• Project 3: Contributed to a mobile banking app for ABSA Bank in over 10 African countries using Xamarin Forms. Implemented key features such as BNPL and VC Tokenization. Managed Xamarin Binding Libraries, multithreading, and platform-specific optimization.

Tools & Technologies: .NET Core, C#, .NET MAUI, Angular, Cosmos db, Azure DevOps, Azure Storage, Design Patterns, Typescript, Multithreading, Android, iOS

Cross-Platform Mobile App Developer and Frontend Developer

• Worked as a cross-platform mobile app developer and frontend developer across multiple projects, delivering robust and scalable applications for web, mobile, and tablet platforms.
• Designed and developed user-friendly interfaces using Ionic, Angular, and Xamarin-Forms, adhering to industry best practices.
• Analyzed requirements, participated in Sprint ceremonies, and collaborated with team members to meet project objectives and timelines.
• Coached team members on frontend development, promoting reusability and efficient coding practices.
• Developed offline functionality, database management, and automated testing frameworks to ensure app performance and reliability.

Project 1:

• Developed "Onsite Checklist" app for Freeman, a 100-year-old event management organization.
• Built a cross-platform application using Ionic-Cordova, later upgraded to the latest Ionic version.
• Delivered features for multiple user types, including Sales, Operations, and Exhibitors, with enhancements tailored to user-specific requirements.
• Key Contributions: Created reusable custom components and deep-link integration for opening the app via links.
  Implemented service workers and Ionic storage for offline database management.
  Wrote unit tests with Jasmine-Karma to ensure robust code.

Project 2:

• Developed the ESO App from scratch for IKEA store employees to manage inventory, delivery, and retail items.
• Created a cross-platform app using Xamarin-Forms for Android and iOS, adding offline support for better usability.
• Key Contributions: Designed and implemented SQLite database functions and components for data management.
  Automated app testing using Appium and Python.
  Wrote unit and automation test scripts, ensuring high-quality releases.
  

Tools & Technologies: C#, .Net MVC, Ionic, Angular, Xamarin-Forms, SQLite, Appium Automation, Python, Jasmine-Karma, Azure

Full Stack Developer (Web & Mobile Applications)

• Summary of responsibilities: Began my career as a Junior Software Engineer and advanced to Software Engineer. Worked as a Full Stack Developer, contributing to multiple web and mobile applications.
  Designed, developed, and optimized both front-end and back-end components for various applications using ASP.NET MVC, Xamarin Forms, and related technologies.
  Collaborated with cross-functional teams to gather requirements, design solutions, and deliver high-quality software components.
  Wrote SQL procedures, functions, and triggers while managing database design and integration.
  Led and supported bug fixing, application maintenance, and performance optimization.
  Participated actively in Agile Scrum ceremonies such as sprint planning, story estimation, daily standup, and retrospectives.
  Implemented innovative solutions, including BLE integration, geofencing, and Apple Pass Kit for mobile applications.
  

Project 1:
Developed a cross-platform app for KAPSARC employees using ASP.NET MVC for web and Xamarin Forms for mobile. Enabled features such as event notifications, ticket raising, and more. Delivered key components, including SQL database design, Azure integration, and user management.

Project 2:
Built a mobile app for YMCA of San Diego County, integrating the Apple Pass Kit for event passes and geofencing using Google APIs. Focused on custom component creation, unit testing, and user-centric feature enhancements.

Project 3:
Developed a mobile app for Kaloud Selestia LED System to control LED lighting via Bluetooth. Integrated Shopify API for e-commerce features and BLE technology for bar lighting customization.

Project 4:
Delivered three mobile apps for Microframe's LED communication systems. Implemented socket connections for hardware communication, timers, and advertisement management. Focused on optimising components and enhancing performance.

Project 5:
Developed an ASP.NET MVC-based franchise management system to track stores, coupons, and reports. Enhanced system efficiency by optimising SQL queries, analysing existing components, and addressing bugs.

Project 6:
Created a broadcast registration and verification system using ASP.NET MVC. Designed and implemented SQL queries, stored procedures, and optimised database performance to handle high traffic efficiently.

Tools & Technologies:
ASP.NET MVC, Web Forms, C#, Angular, Xamarin Forms, SQL Server, SQLite, Sockets, Apple Pass Kit, BLE, IoT, Automation