Charitha Sathkumara Email & Phone Number

Santa Monica, California, Us

• API implementation in Ruby on Rails• Front-end UI development in AngularJS• Build and deploy scripting for Gulp, Grunt, Bash• AWS Lambda development in Node.js• AWS Lambda development in GoLang• Implemented initial integration of the company's service platform with third-party IFTTT• Implemented integration of user analytics with third-party Kustomer• Implemented event driven email sending integration with customer.io• Implemented workers for AWS Lambda, Ruby: Sidekiq, Hutch, and other libs, triggering from SQS, SNS, RabbitMQ, DynamoDB• Monitoring and debugging with log providers such as AWS CloudWatch, Athena, Airbrake, Kibana, SSH, and CLI commands• Email sending implementations with providers such as Mailgun, SES, customer.io• Caching implementation using Redis• Conversion of database queries to use read replicas with Octopus for Rails• Implemented a system to auto-transfer customer data upon device RMA or customer request• Testing with Rspec for Rails code• Testing with Mocha.js, Chai.js, nock, sinon, and rewire for Node.js code• Testing and debugging with Postman and newman for Node and Rails• Container creation and management using Docker

Los Angeles, California, Us

• Full-stack developer of a MEAN (MongoDB, Express.js, AngularJS, Node.js) application and its ecosystem• Designed and implemented a Redistribute SDK in Node.js for both internal and customer use• API and SDK documentation for both internal and customer use• Software deployment and management using Docker Hub and Amazon ECS• NullSoft Installer System (NSIS) scripting to create MS Windows software installers in order to retrieve data from customers'​ servers• Designed and implemented NodeJS agent to find and retrieve data from customers' servers• Designed and implemented a self-updater system for pushing updates to NodeJS agent using DynamoDB• UI (templates, controllers, services, and directives) implementation in AngularJS, LESS, jQuery, and other libraries• API engineering in Express.js (Node.js), Bookshelf ORM (MySQL), Mongoose ODM (MongoDB), Keen.IO, Kue (Redis)• Javascript unit testing with Mocha and Chai• Scripting for Unix Shell, Windows batch, Grunt builds, NPM, Docker, and more• API implementation in Spring (Java), using Hibernate ORM (MySQL)• Implemented a custom token based authentication system for the Spring API.• Designed and developed an HTML parser that scrapes data from emails• Developed a service to retrieve and parse data from FTP servers• Developed a github hook to simplify testing of automated deployments• Developed distributed computational tasks using Apache Storm and Kafka• Queue-based worker implementation using Amazon SQS, Kue, and Kafka• Google Go templating for dynamic configuration of HAProxy and Nginx• Continuous Integration - frequent deployments to production environment

Reseda, California, Us

• Responsible for designing screens, user interfaces, UI components, servlets, REST services, and abstraction in Java for a web application. • Designed and developed a NIST §170.302(r) compliant EHR Audit logging system using Elasticsearch and a forked build of Searchbox.io's Jest API. • Designed and developed a cache system with request queuing to eliminate redundant RPCs. • Designed and developed an extensible validation interface that ensures data integrity on the UI by enforcing field rules and screen-wide rules. • Designed and developed smart asynchronous callbacks to increase web application reliability when used with unstable internet connections. • Designed and developed an extensible HTML5 Canvas based plotting system to graph abstract data sets for reporting purposes.• Designed and developed an interface for communication of patient data with Practice Management Servers (PMS systems) using HIPAA compliant methods such as HTTPS and SFTP.• Developed using modern web application technologies such as Hibernate, MySQL, HTML5, CSS3, GWT (Google Web Toolkit), and more.• Implemented methods of storage, transfer, and generation of medical records using Health Level 7 message format.• Wrote Apache ant scripts for cleaning, building, compiling, and deploying.

Northridge, Ca, Us

• Provided end-user technical support at staff offices, computer labs, in person, over the phone, and remotely using Microsoft RDP and Bomgar software.• Prepared and deployed workstations with both automation and manual OS, driver, and software installs.• Scripted computer preparations using Microsoft Windows Automated Installation Kit (WAIK) and Microsoft Deployment Toolkit (MDT).• Managed a windows network with Microsoft Active Directory users, computers, and GPOs.• Wrote scripts for backup, restore, printing management, user profile management, and various other tasks.• Created, assigned, and resolved incoming support tickets using the eBSuite CMS system.• Developed tools, shortcuts, utilities, and conventions for improving workplace efficiency.

Bachelor Of Science (B.S.), Computer Science

Mathematics And Computer Science

Education record