Vigneshwar R

Skilled and results-driven Mobile Application Developer with strong expertise in React Native and React.js, capable of building high-performance, cross-platform mobile and web applications. Proven ability to deliver end-to-end solutions across iOS, Android, and web platforms, with a strong focus on user experience, performance optimization, and scalable architecture. Adept at analyzing client requirements, proposing robust technical solutions, and upgrading existing systems to enhance functionality and maintainability. Experienced in agile development environments, collaborating closely with designers, backend developers, and stakeholders to deliver polished, production-ready applications—especially in corporate and industrial domains.

Project Objective:
To provide merchants with a unified platform to accept payments from customers across 70+ BHIM UPI apps directly into their bank accounts, while offering real-time business tracking, instant settlements, and streamlined customer support.

Live App:

• Google Play Store: https://play.google.com/store/apps/details?id=in.amazon.mShop.android.business.shopping&hl=en_IN

Project Tenure: 2 Years
Team Size: 12
Tech Stack: React Native,Java, Spring Boot, AWS, DynamoDB
Role: Front end engineer

Key Highlights:

• Enabled secure UPI integration for accepting payments with zero charges and instant settlement to merchant bank accounts.
• Implemented a real-time business health dashboard to monitor daily sales, transaction trends, and performance metrics.
• Developed and optimized backend services to handle high-volume B2B transactions with low latency and high reliability.
• Built a mobile-based query resolution feature allowing users to get quick callbacks from customer service by submitting their mobile number.
• Collaborated with Amazon Pay teams to ensure compliance, security, and performance across all merchant-facing services.

 Objective:

MyHealthcare Online Doctor Consultation App – helps people from across India and the world connect with various hospitals & doctors, seek appointments online for tele/video consultation, upload patient documents and notes for the consultation, receive a post consultation prescription from doctors

Live App:

• Google Play Store: https://play.google.com/store/apps/details?id=com.innocirc.vcpatient&hl=en_IN
• Apple App Store: https://apps.apple.com/in/app/myhealthcare/id1506349869

Project Tenure: 12 Months
Team Size: 5
Tech Stack: React Native, Node.js, Express, MongoDB, Firebase
Role: Frontend Developer / Full Stack Developer / Backend Developer

Project Objective:
EarthId is a blockchain-based self-sovereign identity application that empowers users to create, control, and manage their own digital identity. It offers secure, fraud-resistant access to global partner services, giving users full control over what data they share and with whom. It also functions as a digital identity wallet and offers rewards for usage.

Live App:

• Google Play Store: https://play.google.com/store/apps/details?id=com.myearthid&hl=en_IN
• Apple App Store: https://apps.apple.com/gb/app/earthid/id1479685319

Project Tenure: 3 years
Team Size: 2
Tech Stack:  React Native, Node.js, Ethereum Blockchain, IPFS, Firebase
Role: Mobile App Developer

Key Highlights:

• Built and maintained core modules enabling users to store and share identity credentials securely via decentralized blockchain.
• Integrated identity wallet features to digitize and store official documents, reducing dependency on physical copies.
• Ensured granular permission control, letting users decide exactly which information is shared with third-party services.
• Implemented reward points logic for actions like document verification or profile completion, laying the foundation for future redemption features.
• Focused on high security standards to protect users against data breaches, with zero-knowledge proofs and secure encryption practices.

Project Objective:
Discover KAEC is a comprehensive mobile app designed to serve as a gateway for visitors, residents, investors, and employees in the King Abdullah Economic City (KAEC). The app provides users with essential information and services, from event registration and property management to investment opportunities and emergency contact details.

Live App:

• Google Play Store: https://play.google.com/store/apps/details?id=com.goodbarber.discoverkaec&hl=en_IN
• Apple App Store: https://apps.apple.com/us/app/discover-kaec/id1181592778

Project Tenure: 2 years
Team Size: 6 Members
Tech Stack:  React Native, Node.js, Firebase, Google Maps API
Role:Mobile App Develope

Key Highlights:

• Developed a user-friendly interface for visitors and residents to register for events, view dates, venues, and get the latest updates.
• Integrated interactive maps and location-based services to help users discover places, activities, and attractions within KAEC.
• Implemented a comprehensive property management feature for residents and investors to track service requests, view payment history, and explore investment opportunities.
• Incorporated emergency contact features, including quick access to vital numbers and services for KAEC.
• Integrated real-time push notifications to keep users informed about job openings, news, and announcements.
• Optimized the app for performance, ensuring smooth navigation and responsiveness on both iOS and Android devices.

Project Objective:
The Ackumen Platform is designed to revolutionize the management of vital systems through state-of-the-art sensing technology, cloud- and edge-based analytics, and expert monitoring. It provides real-time, actionable insights by collecting diverse data, processing it in context, and delivering intuitive visualizations for seamless system monitoring and management.

Project Tenure: 2 Years
Team Size: 8 Members
Tech Stack: React native,  IoT, AWS, Python, Edge Computing, Cloud Computing, Data Analytics
Role: Front end engineer

Key Highlights:

• Integrated advanced wireless sensor networks for real-time system monitoring, collecting diverse data across multiple contexts.
• Designed and implemented cloud-based data analytics to process and visualize system health and performance.
• Developed predictive modeling features to anticipate and prevent potential system failures using historical and real-time data.
• Created intuitive, actionable visualizations for users to easily interpret data and monitor system status remotely.
• Worked closely with the team to optimize edge computing for faster, on-site data processing and real-time decision-making.