About

Rajnish Kumar is an experienced software engineer with a strong background in fintech and e-learning industries. He is skilled in Python, JavaScript, web development, Node.js, mongoDB, and HTML5. Rajnish is a product management professional with a Bachelor of Engineering degree in Civil Engineering from Birla Institute of Technology. Currently, Rajnish works as a Software Engineer at Uptycs, where he is responsible for detecting vulnerabilities in hosts, containers, and servers. He is also optimizing Kafka consumer, which processes telemetry data from OS (Linux, Windows & macOS), and flags alerts based on rules. Rajnish writes SQL queries to filter out hosts, containers, and endpoints that have Apache log4j vulnerabilities. Rajnish has worked as a Back End Developer at Stack Finance, where he designed and set up an event-driven serverless architecture for batch and scheduled jobs. He also contributed to developing the core backend from scratch with inputs on code structure, authentication, logging, and error handling. Rajnish integrated KYC, Mutual Funds, and payment APIs from third parties to the core platform. He built a scalable notification microservice to send push notifications, emails, and SMS through respective channels to increase customer engagement. In his previous role as a Software Engineer at Byju's, Rajnish primarily worked on the development of a Key Performance Indicator (KPI) portal used to assess the performance of sales employees on various metrics. He also set up an event-driven architecture to process ingress data using Apache Kafka after previous solutions were causing issues. Rajnish migrated code to Kafka consumers from the existing architecture, which increased successful processing from 80% to 99%. He single-handedly developed the Attendance module for the entire Sales Department of BYJU’S and extended the module to accommodate WFH in a very quick time. Rajnish also enforced security measures by refactoring code or re-architecting application design to improve application security on observing some vulnerabilities. Rajnish has a relevant experience of 5.03 years and a strong tech stack, including software engineering, backend, JavaScript, Kafka, AWS, MongoDB, web, SQL, NodeJS, Redis, product manager, microservices, Python, test, CI/CD, Docker, Redux, DevOps, and ETL.