Nov 2018 – Jun 2021 · 2 yrs 7 mos · Carlsbad, California

• Worked on HME web portal (subscription-based cloud service) that enables customers to manage profiles, organization hierarchy, stores information and devices connected to their account. (React, Node.js, C#, Azure, Full-stack)
• Designed and developed a system that scores, ranks and suggests performance improvements to customers based on real-time data provided by devices (HME built sensors) connected to Azure event hub. (Event Hub, Node.js, C#)
• Worked on maintenance, product enhancement and scaling of high-performance data processing systems that accumulate and analyze large streams of data from Azure Event Hub. (Node.js, C#, Redis, SQL, Mocha, Chai)
• Maintained and added new features to HME web portal/mobile app. Helped in integration of web portal with different micro services that process data provided by various IOT devices.
• Developed microservices that process large amount of data every second. These services integrate into a system that provides real-time analytics and feedback to customers.
• Developed restful API endpoints to serve processed data to inhouse systems as well as external users. (Node.js, Express, SQL, REST, Redis, Mongodb, Mocha, Chai)
• Designed and developed communication protocol between distributed servers and next generation voice recognition devices. (Zero MQ, C#, Node.js)
• Developed follow and invite to a group feature to engage users with each other and compare their performance metrics or challenge them to a competition. (React, Node.js, SQL, Redis, Azure)
• Developed private and group messaging features for users on HME web portal. (React, Node.js, SQL, Redis, Azure)

Nov 2017 – Jul 2018 · 8 mos · New Delhi Area, India

• Designed and developed a web application for internal communication and interaction for a client. (Node.js)
• Created a product listing website which implemented dynamic ad feature, infinite scroll, product suggestions, component and server-side rendering. (Vue.js, Laravel)
• Created a CRM app for employee and student record handling for an educational institution. (Vue.js, Laravel)

Jul 2015 – Sep 2017 · 2 yrs 2 mos · Hyderabad Area, India

• Designed microservices to parse and fetch data from financial documents formatted as raw files, JSON and XML. Implemented data filters based on heuristics to filter out non-relevant data and serve this information over REST endpoints.
• Designed and developed focused web crawlers to gather information from stock exchange websites and various financial web resources.
• Developed services to pre-process/ filter data for quantitative financial analysis.
• Enhanced, maintained and optimized D. E. Shaw’s cloud system that processes large amount of stock market data every day. Worked on various aspects of financial instruments modeling and simulation. During this time, I got plenty of exposure to Python, Numpy, Pandas, Datatables and SQL.
• Designed and developed data-analyzer(internal tool) to process stock information from a large number of endpoints and display them on a graphical interface. The tool is in production and has helped internal teams to analyze data swiftly.
• (Javascript, HTML, Python and MongoDb)

Jul 2013 – Jul 2015 · 2 yrs · Bengaluru Area, India