Software Engineer Senior

KARAN SANDESH YADAV

********@****.*** 201-***-**** linkedin.com/in/karan–yadav github.com/yadavkaran Education

Pace University, IN August 2023 – May 2025

Master of Science in Computer Science, GPA: 3.97/4.0 Courses: Data Structures and Algorithms, Parallel Computing, Deep Learning, AI ethics Technical Skills

Languages: Java, JavaScript, SQL

Libraries and Frameworks: Spring Framework (Core, Boot, Data, Security, MVC), Hibernate, JPA, Spring Michroservices Web Technologies: Angular, ReactJS, RESTful API Development, SOAP, JSON, XML, HTML, CSS Technology: AWS Redshift, S3,Lambda, Git, RabbitMQ, Kafka, Jenkins, Elastic, Logstash, Kibana Database: MySQL, OracleDB, MongoDB, PostgreSQL, DynamoDB, Elastic Professional Work Experiences

Senior Software Engineer - Bluedart - DHL April 2022 – July 2023

• Designed and deployed a real-time courier status tracking module serving 125+ companies, including Apple and Amazon, tracking 60M parcel statuses.

• Built a sell program to convert logistics data from EDI to JSON and XML, enabling seamless data exchange across partner systems.

• Optimized APIs by migrating code from Camel to Java DSL, boosting shipment processing from 40M to 60M daily.

• Implemented Redis caching to enhance query performance, reducing API response time and improving system scalability.

• Redesigned a high-performance data pipeline using ELK and RabbitMQ, improving data polling speed from 2K to 5K per second and increasing load capacity by 60%.

Software Developer - Gilded July 2020 – March 2022

• Designed process flows, configured MySQL, and identified API requirements, reducing customer service queries by 40%.

• Configured and maintained REST API endpoints, integrated third-party services (JIRA, HubSpot), and optimized payment and fee calculations to enhance system performance by 60%.

• Managed Jira tickets, documented business scenarios, and automated data reconciliation processes, improving data accuracy by 70% and workflow efficiency.

• Employed Swagger for API documentation and Postman for testing, ensuring high-quality, efficient API data flow and troubleshooting.

Co-Founder - Kryptech Solutions November 2019 – June 2020

• Co-founded a company providing digital services such as website development, SEO, Digital Marketing and partnerships with consumer-focused websites.

• Led digital transformation projects, helping B2B manufacturers establish a strong online presence and company’s reach. Intern Frontend Developer - Universal College of Engineering June 2019 – June 2020

• Implemented UI components for a MIS using React.js and Bootstrap, improving usability.

• Simplified modules for faculty and students, enabling 80% faster access to attendance, assignments, scheduling, and grievance handling, improving user engagement by 35%. Projects and Publications

Sales Data Analyzer Java Springboot, SQL, Tomcat

• Developed a Sales Data Analyzer (SDA) using Java and Spring Boot, integrating MySQL for normalized data storage and implementing dynamic sales analytics through ChartJS and jQuery.

• Implemented secure authentication, interactive data visualization, and efficient data retrieval using a linear search algorithm, enhancing decision-making for small to medium-sized enterprises. Leetcode pro NodeJs, Mongo, ReactJs, JWT token

• Created LeetCode Revise Pro using the MERN stack (MongoDB, Express.js, React, Node.js), implementing MCQ-based revision, comprehensive DSA exams, and Google Forms API integration for automated exams.

• Engineered a secure admin dashboard with JWT authentication and role-based access control (RBAC) for managing users, exam content, and platform analytics, optimizing performance and scalability. Event Driven RealTime systems using Kafka and AWS Kafka,Java,S3,Lambda,SNS,Glue

• Simplified a high-performance real-time data pipeline, leveraging Kafka for live stock data streaming to AWS S3. Utilized AWS Glue Crawler and Amazon Athena for streamlined schema management and querying, enabling real-time updates of crucial technical indicators on dashboards. Integrated SNS and Lambda for instantaneous email notifications Research Publication :Online Grievance Redressal Portal.

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