Aug 2025 – Jan 2026 · 5 mos · India · On-site

• Senior Software Engineer specializing in Data Engineering and AI/ML systems architecture. Designing and maintaining scalable backend infrastructure for Mastercard's shopper intelligence and data enhancement platforms serving millions of transactions daily.
• Key responsibilities:
• Architected and optimized large-scale data pipelines processing 100M+ daily events using Apache Spark, Kafka, and SQL-based systems
• Led API gateway modernization reducing latency by 40% and improving system throughput by 3x
• Implemented ML model integration features enhancing customer intelligence and predictive capabilities
• Mentored junior engineers on system design patterns and best practices for distributed systems
• Collaborated with cross-functional teams on critical customer data enhancement initiatives
• Technologies: Spark, Kafka, Python, SQL, Spring Boot, Microservices Architecture

Feb 2025 – Apr 2025 · 2 mos · Bentonville, AR · On-site

• Senior Software Engineer on Walmart's Ad-Tech team, focusing on digital signage and customer engagement solutions serving thousands of retail stores globally.
• Key accomplishments:
• Architected and deployed digital signage management system, improving display management efficiency by 30% across retail network
• Redesigned backend microservices architecture, increasing system robustness by 40% under high-load scenarios
• Modernized React.js frontend with performance optimizations, improving application usability by 25% and accelerating initial page rendering
• Optimized API gateway and database queries using caching strategies, reducing roundtrip time by 35% and improving customer experience
• Led code reviews and architecture discussions, establishing best practices for system design and reliability
• Collaborated with product, design, and operations teams to deliver customer-focused advertising solutions
• Technologies: React.js, Node.js, RESTful APIs, SQL, Microservices, System Design

Feb 2024 – Feb 2025 · 1 yr · California, United States · Hybrid

• Led a team of seven developers on a high-impact, large-scale fintech project, promoting agile methodologies and fostering a collaborative culture to deliver high-performance and quality-driven outcomes.
• Architected and deployed a scalable, multi-cloud infrastructure utilizing AWS, GCP, and Linode, achieving high availability, fault tolerance, and robust backend and database reliability.
• Directed a comprehensive system architecture overhaul (version 2), increasing system performance by 75% and reducing bugs by 30%, resulting in enhanced stability and user satisfaction.
• Developed a micro-frontend architecture with Vue.js and React, leveraging CDN for optimized content delivery, high availability, and seamless user experience.
• Designed and implemented Kubernetes-driven microservices, integrating service discovery, load balancing, and circuit breaker patterns to ensure scalability, resilience, and efficient resource utilization.
• Authored 70+ pages of technical documentation and created advanced encryption protocols to securely handle Protected Personal Information (PPI), meeting regulatory compliance and data security standards.

Oct 2022 – Dec 2023 · 1 yr 2 mos · Fullerton, California, United States · On-site

• Worked as a student assistant. Deployed five ServiceNow applications incorporating Catalog Item, Glide Record, and workflow features to streamline campus services and drive higher user engagement.
• Improved workflow functionality by integrating third-party services and working closely with stakeholders to refine project scope and meet diverse requirements.
• Created a mobile campus map application for iOS and Android, providing real-time navigation and accessibility to over 30,000 students with Google and Apple Maps integration.
• Performed extensive testing on mobile and ServiceNow applications to ensure reliability and deliver a seamless, cross-platform user experience.

Sep 2021 – Aug 2022 · 11 mos · Bangalore Urban, Karnataka, India · On-site

• Led a team of five through the entire development lifecycle of an EdTech product, implementing a microservices architecture to enhance modularity and scalability.
• Refactored 30% of legacy APIs and developed 20% of new REST endpoints, optimizing backend performance and expanding application functionality.
• Upgraded a single MySQL server to a four-node multi-master cluster, cutting query times from 5 seconds to 200 milliseconds and significantly improving database efficiency.
• Integrated CI/CD pipelines with Kubernetes, accelerating software delivery speed and reliability by 30%.
• Established Cypress testing to enhance system performance and validate user interactions, strengthening application dependability.
• Authored 50+ pages of technical documentation covering Backend, Frontend, Database, and overall system architecture to ensure maintainability and clear development guidelines.

May 2021 – Sep 2021 · 4 mos · Singapore · Remote

• Developed 30% of new REST APIs and refactored 20% of legacy backend code, improving functionality for high-traffic E-Commerce applications.
• Built over 80 React components for both web and React Native mobile apps (Android and iOS), facilitating cross-platform development.
• Optimized product search for over 1 million daily users, enhancing the user experience on web and mobile platforms.
• Scaled the coupon system to handle over 3 million daily API requests during peak festive periods, ensuring consistent performance under heavy traffic.
• Implemented robust backend testing protocols to achieve high test coverage, maintaining service reliability across applications

Nov 2020 – Apr 2021 · 5 mos · Gurugram, Haryana, India · On-site

• Led the design and maintenance of a FinTech application, boosting customer engagement by 15% through feature enhancements and an improved user experience.
• Delivered a Data Protection module utilizing Tokenization and AES256 encryption, strengthening security and meeting industry compliance standards.
• Implemented NLP techniques to analyze email content, enabling extraction of key financial information for better data management.
• Built and launched an automated financial data analysis tool within three months, enhancing operational efficiency and reducing manual effort.
• Architected serverless, high-availability functions by deploying 25% of APIs on AWS Lambda and 75% on Kubernetes pods, improving scalability and reliability.

Oct 2018 – Oct 2020 · 2 yrs · Gurgaon, Haryana, India · On-site

• Oversaw Firebase implementation for real-time database, authentication, and CDN hosting across five applications, enhancing scalability and user experience.
• Improved performance and user satisfaction in an HR management application by optimizing SQL queries, reducing response times by 20%.
• Migrated two monolithic applications to a microservices architecture, significantly increasing scalability, maintainability, and consistency in deployments.
• Enhanced code integrity and maintainability by refactoring 25% of the legacy codebase across multiple applications.
• Set up a distributed MongoDB cluster with optimized data storage and continuous backup, ensuring robust and reliable data management.
• Created a CLI-based SQL backup scheduler for the HR CMS application, streamlining data management and improving data reliability