Sushant Kulkarni

Architected an event-driven Agentic AI platform (Lambda/SNS/LLM function-calling) to automate customer data enrichment, generating special-price recommendations and reducing manual CSR review time by 40%. Designed a distributed, real-time order processing system using Node.js, Redis, and SQS, reducing order failures by 15% and capturing $50k/month in previously lost revenue. Modernized the data delivery pipeline for email campaigns by implementing AWS Kinesis and Redshift, slashing processing time from 4 hours to 15 minutes. Led the migration of legacy monoliths to AWS ECS/Docker, improving system availability to 99.99% and reducing monthly infrastructure costs by 20%. Implemented Elasticsearch for product catalog queries, reducing search latency from 1.5s to 200ms for 300,000+ SKUs.

Engineered high-performance Help Center APIs serving 10M+ daily active users with peak traffic of 12k QPS, maintaining sub-100ms response times, resulting in a 12% increase in self-service resolution rates (containment). Designed fault-tolerant document ingestion pipelines using Java and Kafka, handling a peak load of 1,000 uploads/minute with zero data loss. Migrated the legacy frontend to React.js/Redux, improving page load speeds by 30% and enhancing mobile responsiveness for 10M+ daily users. Mentored 3 junior engineers and interns on microservices best practices, code reviews, and system design principles.

Architected and developed a high-performance headless e-commerce platform (Python/Node.js), implementing REST APIs and utilizing React.js/Redux for decoupled frontend delivery. Implemented a personalized recommendation system using Python (Flask), successfully predicting user preferences and launching it as a featured product. Built a secure identity service for the API using OAuth 2.0/OpenID Connect to authorize and authenticate different users for the application. Experience in Unit Testing using Mocha, jest etc.

• Developed a prototype Blockchain based payment gateway as-a-service using open-source Komodo Blockchain. • Developed the payment gateway in Python using Smart Contracts. • Hosted the scalable application on AWS.

Project: Bank Muscat Mobile Application • Designed and developed a cross platform mobile based banking web application MVC structure and multiple JavaScript frameworks like React.JS, Angular2. • Developed in-app services for web and mobile applications using Object-Oriented Programming (OOPs) concepts on Python. • Leveraged MBaaS from various cloud offerings like IBM Bluemix and AWS to create services for the mobile application. • Created microservices for different core banking modules, deployed them to AWS cloud and maintained them using package managers like NPM, Gulp, GIT etc. • Created databases using SQL database like Oracle, MySQL. Project: Madventures Web Application • Developed a web application for an adventure tourism company using MEAN Stack (MongoDB, Express, Angular.JS, Node.JS). • Assisted in Integration of REST APIs and in tuning applications to perform better with third party APIs. • Evaluated and deployed test servers using Kubernetes and Docker onto cloud platforms like AWS and Bluemix. • Experience working with NoSQL databases like Mongo DB on production level. • Delivered solid, bug-free high-performance code by daily active collaboration with QA and scrum members. Project: Ducont Mobile Wallet • Created a Mobile Wallet application to be provided as service using Angular 2. • Part of a team that migrated data from MySQL to Mongo dB, improving company revenues. • Implemented and integrated an IBM Watson chat bot into company’s products, increasing product value by 5%. • Designed UI pages in HTML5, CSS, SCSS, Bootstrap for adventure tourism, banking and sports websites. • Experience in building services and APIs that uses strong security features like OAuth 2.0, salt/hash methods, session-based authentication, Regex etc.