Selvanathan Viswanathan Email & Phone Number

Chennai, Tn, In

Chennai, Tamil Nadu, India

Alabama, United States

Technologies: Angular JS, JavaScript (Vanilla JS), Tizen TV application, Dotnet 6, MySQL, Azure DevOps, FHIR, ADT, EHR SystemAbout:Enhance health care security,communication,and education through integrated mobile,smart TV,and media technologies.Responsibilities:Designed the architecture for the MsSQL database,ensuring optimal performance and scalability for the application.- Led the product development team, providing guidance, direction, and support throughout the entire… Show more Technologies: Angular JS, JavaScript (Vanilla JS), Tizen TV application, Dotnet 6, MySQL, Azure DevOps, FHIR, ADT, EHR SystemAbout:Enhance health care security,communication,and education through integrated mobile,smart TV,and media technologies.Responsibilities:Designed the architecture for the MsSQL database,ensuring optimal performance and scalability for the application.- Led the product development team, providing guidance, direction, and support throughout the entire development lifecycle.- Created API design documents and developed user interfaces, ensuring efficient communication and functionality.- Integrated SSO service for seamless authentication across the application, enhancing security and user experience.- Engaged in daily discussions with customers to clarify business requirements and technical specifications, ensuring alignment and satisfaction. Designed the SignalR service for seamless two-way communication between TV, web application, and mobile application.- Played a major role in designing and implementing casting features from mobile and web applications to TV devices, enhancing user interaction capabilities.- Designed and implemented APIs to process incoming ADT Events(e.g.,patient admit, discharge, transfer),ensuring seamless dataflow and system operation. Show less

Chennai, Tamil Nadu, India

Technologies: React JS, Progressive Web Application, Java (Spring Boot), PostgreSQL, GitHub, CMS, Node.js (loopback framework)Responsibilities:Spearheaded frontend architecture & backend API design, ensuring performance & scalability for a large user base.- Implemented Progressive Web App features, enhancing user engagement and reducing load times through React JS optimizations.- Integrated CMS for content management, enabling seamless updates and user-friendly interface… Show more Technologies: React JS, Progressive Web Application, Java (Spring Boot), PostgreSQL, GitHub, CMS, Node.js (loopback framework)Responsibilities:Spearheaded frontend architecture & backend API design, ensuring performance & scalability for a large user base.- Implemented Progressive Web App features, enhancing user engagement and reducing load times through React JS optimizations.- Integrated CMS for content management, enabling seamless updates and user-friendly interface enhancements.Successfully integrated AWS SES (Simple Email Service) into the application to manage various email notifications efficiently. Thisimplementation ensured reliable delivery and enhanced communication with users.- Implemented AWS S3 (Simple Storage Service) with a focus on security and cost-effectiveness by leveraging different storage classes.- This strategy significantly reduced storage costs while maintaining the high availability and durability of data.- Utilized AWS CloudFront to deliver content from the S3 bucket securely, ensuring data privacy and protection. Implemented SignedURLs to control access and validity of URLs, enhancing security measures and protecting sensitive data Show less

Chennai, Tamil Nadu, India

Chennai Area, India

Role: Backend Engineer Technologies: Third-party API Integration, Salesforce, Microsoft 360, API development, Schema DesignAbout:Real-time customer support platform with customizable chat widgets and CRM integrations.Responsibilities:EngineeredbackendsystemswithAPIendpoints,integratingwithSalesforce&Microsoft360forCRMfunctionalities.- Designed schema for data consistency and performance optimization, supporting real-time chat interactions and analytics.- Integrated… Show more Role: Backend Engineer Technologies: Third-party API Integration, Salesforce, Microsoft 360, API development, Schema DesignAbout:Real-time customer support platform with customizable chat widgets and CRM integrations.Responsibilities:EngineeredbackendsystemswithAPIendpoints,integratingwithSalesforce&Microsoft360forCRMfunctionalities.- Designed schema for data consistency and performance optimization, supporting real-time chat interactions and analytics.- Integrated third-party APIs for seamless customer data synchronization, improving service efficiency and user satisfaction. Show less

Chennai Area, India

Project Name: Devero || Oct 2017 – Nov 2018Technologies: Ionic 3 (Angular JS - Typescript), MySQL, GitHub, AWS cloudAbout: Patient information platform digitalizing pre- and post-treatment events and data.Responsibilities: Developed and integrated services to ensure secure patient data management and compliance with healthcare regulations.- Implemented Ionic 3 front-end with Angular JS, enabling cross-platform compatibility for mobile and web applications.- Developed a… Show more Project Name: Devero || Oct 2017 – Nov 2018Technologies: Ionic 3 (Angular JS - Typescript), MySQL, GitHub, AWS cloudAbout: Patient information platform digitalizing pre- and post-treatment events and data.Responsibilities: Developed and integrated services to ensure secure patient data management and compliance with healthcare regulations.- Implemented Ionic 3 front-end with Angular JS, enabling cross-platform compatibility for mobile and web applications.- Developed a Library for rendering form elements dynamically in lower level mobile devices. This was capable of rendering 500 DOM elements in less than half a second in the low end mobile devices. where the other library in market are taking min of 3 seconds. Show less

Chennai Area, India

Project Name: Profecta || May 2016 – Oct 2017Technologies: Node.js (express framework), Angular JS, mongo dB, GitHub, AWS cloudAbout: Project management tool for planning, executing and tracking projects from start to finish.Responsibilities: Worked as one of the full stack developer(Node.js and Angular JS).- Integrated MongoDB for flexible data storage and retrieval, optimizing performance for large-scale project data.- Developed Rest API and was responsible for integrating… Show more Project Name: Profecta || May 2016 – Oct 2017Technologies: Node.js (express framework), Angular JS, mongo dB, GitHub, AWS cloudAbout: Project management tool for planning, executing and tracking projects from start to finish.Responsibilities: Worked as one of the full stack developer(Node.js and Angular JS).- Integrated MongoDB for flexible data storage and retrieval, optimizing performance for large-scale project data.- Developed Rest API and was responsible for integrating them with the UI.- Designed AWS cloud architecture, deploying scalable solutions for project tracking and collaboration. Show less

Chennai Area, India

Worked on html, javascript, css and data visualization using d3, dc js library