Kajal Glotra
Gurgaon
Summary
Experienced Backend Engineer with over 8 years in designing and building scalable, high-availability distributed systems in fintech and high-traffic environments. Led backend teams and architected microservices, delivering essential integrations for payments and ticketing. Expertise in system design, API architecture, and reliability engineering, with hands-on skills in observability and performance optimization.
Overview
9
9
years of professional experience
Work History
Software Development Engineer - 3
Airtel Payments Bank
Gurgaon
03.2023 - Current
- Architected and delivered third-party gift card integration system, ensuring secure, real-time transactions at scale
- Designed backend services for IRCTC train booking integration, handling real-time data synchronization and high request throughput
- Led integration with IOCL fuel card systems, enabling seamless recharge workflows for enterprise users
- Built high-performance backend for DMRC metro card recharge, optimized for heavy concurrent usage
- Enhanced system reliability through effective monitoring and alerting with Grafana and Kibana
- Coordinated with cross-functional teams to implement scalable solutions using microservices architecture
- Developed Kong-based API gateway architecture, creating custom Lua plugins for request routing, authentication, and traffic control
- Improved system observability using Grafana and Kibana, enabling proactive issue detection and reducing production incidents.
Instructor (Part-Time)
GeeksforGeeks
Gurgaon
02.2023 - Current
- Mentored 500+ students on Java, Spring Boot, Microservices, and Data Structures
- Guided students through project development and deployments
- Simplified complex system design and backend concepts
Software Development Engineer II
Zomato
Gurgaon
06.2022 - 02.2023
- Led migration from monolithic PHP architecture to Golang microservices, significantly improving scalability and system performance
- Designed order lifecycle management systems, enhancing delivery assignment, tracking, and feedback processes
- Enhanced performance and reliability of high-traffic backend workflows, ensuring consistent system availability
Software Engineer III
Walmart Global Tech India
Bengaluru
09.2021 - 06.2022
- Optimized backend systems for walmart.com search platform, enhancing performance and response times
- Enhanced system efficiency to support high-volume user traffic
Software Engineer I
One Mobikwik Systems Private Limited
Gurgaon
11.2019 - 09.2021
- Built and scaled payment gateway integrations (UPI, NetBanking, Wallets) with multiple acquirers
- Designed routing logic for UPI transactions across banks (ICICI, HDFC, etc.), improving transaction success rates
- Implemented secure card encryption upgrade (128-bit to 256-bit) for enhanced payment security
- Developed complete payment lifecycle systems: initiation → processing → refund → status tracking
- Worked on high-reliability financial transaction systems
Software Engineer
Droom.in
Gurgaon
06.2017 - 11.2019
- Built scalable APIs to support core business workflows and improve integration across services
- Developed backend features for listing management, wishlist, and review systems to enhance user experience
- Contributed to increased user engagement and platform performance through targeted feature enhancements
Education
B.Tech in Computer Science -
The Technological Institute of Textile & Sciences
Bhiwani06-2017
Skills
- Spring Boot
- Languages: Java
- Distributed systems
- API gateway
- Databases: MySQL, Oracle, MongoDB
- DevOps: Docker, Kubernetes, Jenkins
- Monitoring: Grafana, Kibana
- Scalability
Accomplishments
🏆 4th Place (Zomato Hackathon (August 2022))
Built and delivered a functional product under tight timelines, demonstrating strong problem-solving, system design, and rapid execution skills.
Built and delivered a functional product under tight timelines, demonstrating strong problem-solving, system design, and rapid execution skills.
Timeline
Software Development Engineer - 3
Airtel Payments Bank
03.2023 - Current
Instructor (Part-Time)
GeeksforGeeks
02.2023 - Current
Software Development Engineer II
Zomato
06.2022 - 02.2023
Software Engineer III
Walmart Global Tech India
09.2021 - 06.2022
Software Engineer I
One Mobikwik Systems Private Limited
11.2019 - 09.2021
Software Engineer
Droom.in
06.2017 - 11.2019
B.Tech in Computer Science -
The Technological Institute of Textile & Sciences