# Vijay S. > Experienced Software AI ML Engineer | Scalability | Deep Learning | GenAI Location: Seattle, Washington, United States Profile: https://flows.cv/vijays ## Work Experience ### Senior Software Engineer @ RentSpree Jan 2024 – Present | Seattle, Washington, United States Integrated Stripe payment gateway in Kotlin for seamless money transfer. Enhanced payment module, improving user experience for both landlords and tenants. ### Senior Software Engineer @ MainStreet Jan 2023 – Jan 2024 | San Francisco Bay Area • Developed a tax credit application in React, TypeScript, Node.js, MySQL, Docker and Kubernetes deployed on the GCP Cloud platform, resulting in a 15x increase in paid customers. • Developed an AI chatbot application from ground up using Python and FastAPI, integrated with ChatGPT, significantly reducing customer query handling by 80%. • Designed and implemented concurrent task management system using Python’s asyncio module coroutines and event loops, significantly reducing chatbot benchmarking time from 30 minutes to mere seconds and achieving a 90% improvement in application responsiveness. • Developed a robust event-driven architecture leveraging Apache Kafka, significantly improving data processing speed and system reliability. • Integrated with Datadog APIs for monitoring, while leveraged Google BigQuery for comprehensive business intelligence data analysis. ### Senior Software Engineer @ OneLogin Jan 2019 – Jan 2023 | San Francisco Bay Area • Restructured a legacy monolithic Ruby on Rails (RoR) application into a more scalable microservices architecture. • Participated in the design and implementation of security solutions based on SAML and OIDC protocols for single sign-on (SSO) solutions. • Successfully implemented a migration plan from Redis to DynamoDB (NoSQL) improving scalability and performance. • Collaborated on the development of a read-only application and data tier to enhance application performance. • Leveraged RabbitMQ message queues to achieve high throughput and reduce latency in a distributed system. ### Software Developer @ realtor.com Jan 2018 – Jan 2019 | Santa Clara, CA • Developed a Google DFP integrated ad server system using Nodejs, enabling clients setup ads on Realtor.com website. • Continuous integrated feature development using Ruby on Rails, Nodejs, React, Redux, and Postgres. • Implemented responsive(fluid) templates, serving single ad on multiple platforms(Web, android, iOS). • Extensively worked on AWS services along with wide and in depth understanding. ### Software Developer @ Elemntal Digital Jan 2016 – Jan 2018 | Orange County, California Area • Developed a single-page web application, allowing product owners to manage digital display • Migrated existing application from using VanillaJS(pure javascript) to AngularJS. • Migrated entire web-application from Zend Framework 1 to Zend Framework 3. • Real-time digital menu updates using Node.js Socket.IO. • Developed a C++ and Qt based application program enabling product owners customize digital display menus. • Designed and implemented REST/HTTP APIs that allow sophisticated, effective and low cost application integration for web and mobile applications. • Migrated data from flat file storage to MySQL database and increased query performance by up to 800%. • Designed and implemented a Java based application that runs as a chron job to help keep track of client’s systems, sending email alerts as system goes down and everyday email reports. • Implemented a Java based application, auto-updating client’s software when new updates are pushed to the server. ### Graduate Student @ California State University Long Beach Jan 2013 – Jan 2015 | Long Beach • Completed multiple solution design projects in both team and individual contributor roles. • Developed a standalone version (C++ and Qt) of Monopoly, a web application to track student's health for Student Health Service department, as well as a mobile (Android) application providing a social media app for reviewing nearby hiking locations by aggregating data from Google, Facebook, Yelp, and other social media sites. ### Web Developer (Intern) @ Kamla Hotels Inc. Jan 2015 – Jan 2015 | 12644 lakewood blvd, Downey, CA-90242 • Provided web development support (as well as network infrastructure guidance) for a hotel management company. • Included responsibility for developing web content and participation on ad-hoc development teams. • Successfully developed a vibrant website (www.kamlahotels.com) as well as designed, developed, and integrated new web pages for reservations, group travel, and email newsletters (www.edenrocanaheim.com) leveraging development tools including HTML5, CSS3, PHP, JavaScript, JQuery, AJAX, JSON, XML and SQL. ## Education ### Master’s Degree in Computer Science California State University, Long Beach Jan 2013 – Jan 2015 ### Bachelor’s Degree in Electrical, Electronics and Communications Engineering Anna University Chennai Jan 2009 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/vijayshrenikraj --- Source: https://flows.cv/vijays JSON Resume: https://flows.cv/vijays/resume.json Last updated: 2026-03-22