Krishanthan Krishnamoorthy

Technical leader with expertise in scalable backend systems, secure data integration, and cross-functional collaboration. Delivered solutions across healthcare, fintech, and e-commerce sectors for clients like Monitored Therapeutics Inc., mosaic.green, and Senso.ai.

Monitored Therapeutics Inc. - Developed MTI's telehealth platforms (GoHome, GoMobile, BYOD) supporting respiratory care.

• Built microservices using Spring Boot with AWS Lambda and JDBI.
• Led secure full-stack development with React/Redux and Okta integration.
• Automated CI/CD using AWS CodePipeline.
• Focused on improving patient engagement, remote monitoring, and HIPAA-compliant data handling.

Mosaic.green - Technical Lead for Reports & Analytics in a vendor-focused ecommerce platform.

• Developed backend services using Spring Boot, Spring Cloud, and Zuul.
• Built dashboards with React, Redux, and Nivo Charts.
• Designed ETL pipelines via Apache Nifi to extract data from microservices to analytics platforms.
• Created documentation, led code reviews, and collaborated with product teams for feature planning and delivery.

Senso.ai - Led development on a borrower intelligence platform for mortgage lenders.

• Built and maintained Django/Flask APIs.
• Wrote unit and integration tests with Pytest.
• Integrated Redis, PostgreSQL, and HubSpot to enhance platform efficiency.
• Mentored developers, conducted code reviews, and ensured backend performance aligned with product goals.

Core Tech: Java, Spring Boot, Spring Cloud, React, Redux, Python, Django, Flask, PostgreSQL, Redis, Kafka, AWS Lambda, Zuul, Apache Nifi, JDBI, Nivo Charts, Okta, CI/CD.

• Responsible for creating database diagrams, flowcharts, and technical documentation for each functionality, based on detailed business requirements and specifications.
• Performed code reviews, provided constructive feedback, and guided improvements across both mobile applications and backend systems.
• Created and managed all technical tickets, identified dependencies, and incorporated proposed solutions to streamline development workflows.
• Collaborated closely with QA engineers and developers to clarify requirements and provide technical insights necessary for successful task completion.
• Conducted in-depth research to strengthen security across backend systems, databases, and mobile platforms.
• Led the implementation of security features and core functional components across all systems to ensure robust, scalable architecture.
• Set up and maintained servers and CI/CD pipelines using AWS, supporting continuous integration and automated deployments.

• Contributed to resolving architectural issues in legacy systems, leading to improved performance and stability across internal applications.
• Developed and deployed microservices using GoLang, leveraging Docker for containerization and streamlined deployment.
• Integrated Kafka streams written in Go into the core functionality of the ride-hailing and food delivery platform for real-time data processing.
• Worked on internal systems using PHP (Laravel), supporting various backend services and administrative tools.
• Acted as the Technical Owner, overseeing code quality, architecture decisions, and team-level technical direction.
• Created technical documentation, database diagrams, and development tickets to support project planning and efficient execution.

Technologies Used: Java, Spring framework, Elastic-Search, Node.JS, npm, Express.js, MongoDB, MySql, React.JS, PHP, Laravel, Lumen, Visual Studio Code, Git, Postman, GCP, MQTT, GoLang, Kibana, Firebase.

• Designed and developed native iOS and Android applications from the ground up using Swift (including SwiftUI) and Kotlin, following MVVM and MVC design patterns to ensure maintainable and scalable codebases.
• Built robust backend services using Java and Spring Boot, applying RESTful API principles and integrating secure data flows across mobile platforms.
• Designed and optimized MySQL database schemas, including complex relational structures, stored procedures, and indexing strategies for performance efficiency.
• Implemented real-time communication features using MQTT protocol, enabling seamless synchronization between backend systems and mobile clients.
• Authored comprehensive technical documentation, including ER diagrams, data flow charts, and integration guides, ensuring clarity and reusability for development and QA teams.
• Applied software engineering best practices across platforms, including code modularization, unit testing, and design pattern application to enhance code quality and scalability.

Technologies Used: Java, Spring framework, Swift, Swiftui, Android SDK, Elastic Search, GraphQL, Node.JS, npm, Express.js, MongoDB, MySql, React.JS, Visual Studio Code, Git, Firebase, Postman, AWS, GCP, MQTT, Javascript, GoLang.

• Participated in the design and implementation of backend architecture and mobile application systems, ensuring alignment with product requirements.
• Designed comprehensive database schemas, UML diagrams, and other architectural models to support system planning and development.
• Developed backend APIs using PHP (Laravel), enabling seamless integration with mobile platforms and external services.
• Implemented key features in both iOS and Android apps, including notifications, calendars, graphs and charts, audio/video recording, and third-party integrations such as Facebook API and Google Maps API.
• Contributed to integration testing, providing detailed test cases and support to QA teams to ensure product reliability and quality.

Technologies Used: Java, Javascript, PHP, Laravel, Git, Postman, Swift, Objective-C, Android SDK, Firebase, Paw.

• The purpose of the research is inventing the accessory or device's accessibility to adapt touch screen devices for motion-disabled users.
• Worked closely with other team members to implement applications that can measure motion-disable user's experience.
• Designed and developed the facilitator android application with OpenGL ES.
• Developed an Android application to read user behaviour, touch data, and collect other data from participants and send to server for data analysis purposes.
• Contributed to research paper with collected study samples, user behaviour, and input data.
• Technologies Used: Java, Javascript, Git, Postman, Android SDK, OpenGL ES, Android NDK, C++.

• Worked on School Bus App. Created technical documents, UML Diagrams, Sequence Diagrams and wireframe for the app.
• Used Objective-C and Swift both for the app development.
• Used CoreLocation framework for fetching the user location and used that data in Google Maps in order find the points of interest in current location.
• Used Google Maps and Google Maps Distance Matrix API in order to create and calculate the path for drop off location.
• Used Parse SDK for storing the user data and geo location from the app.
• Responsible to UI design and dealing with layout constraints. Also, used Chameleon open library from Cocoapods to enhance the UI.
• Implemented payment system on the app using the Stripe API and developed the back-end system for generating bus pass and send back to app.
• Implemented REST API services in order to communicate from iOS app to server.
• Responsible for entire iOS app development including, creating core data model, UI design, Unit-test code for robustness.
• Worked on bug fixing and improving performance of the app.

• Created detailed documentation, architecture diagrams, and database designs to support web development projects across multiple platforms.
• Enhanced an existing CakePHP-based e-commerce platform by developing new features and integrating MailChimp and Authorize.net APIs for marketing and payment automation.
• Designed and implemented custom plugins for Drupal and WordPress, including a login bridge enabling seamless authentication between CakePHP and Drupal systems.
• Developed a 3D Cover Creator tool using PHP, ImageMagick, Fabric.js, and social media APIs such as Facebook and Twitter, enabling users to generate dynamic, shareable content.
• Built a Social Page Template tool from scratch, leveraging PHP, Fabric.js, and social media APIs to deliver customizable and responsive user pages.
• Contributed to the development of innovative cross-platform solutions, ensuring smooth integration with external APIs and enhancing system functionality and user experience.