KARTIKAY SHANKER
Senior Backend Engineer
Hyderabad
Backend Software Engineer with 6 years of experience building scalable, reliable, and high-performance systems across enterprise technology, fintech, and e-commerce. Currently at JPMorgan Chase, with previous experience at Zaggle and CaaStle. Experienced in end-to-end feature ownership, microservices architecture, distributed systems, API design, and performance optimization. Key Engineering Contributions: - Customer Acquisition: Improved user sign-up conversions by 25% through enhancements to the customer onboarding flow. - Infrastructure Optimization: Reduced inventory-related infrastructure costs by 56% through system optimization. - Payment & Refund Systems: Reduced refund processing time by 40% by optimizing backend workflows. - Performance Engineering: Improved application performance by 30% through NGINX optimization. Technical Expertise: Java, Spring Boot, Kafka, PostgreSQL, MySQL, Redis, AWS, Docker, REST APIs, Microservices, and Distributed Systems. Passionate about solving complex engineering challenges, designing scalable architectures, and building systems that deliver measurable business impact. Currently exploring AI-native applications, agentic systems, and cloud-native architectures. Always open to connecting with engineers and teams building impactful technology.
Software Engineer 2
JPMorganChase
- Architected a multi-region, serverless data ingestion platform processing 3 TB+ of data daily using AWS, Apache Spark, EventBridge, Lambda, DynamoDB, and Amazon EKS.
- Redesigned cloud infrastructure to eliminate dependencies across 400+ AWS accounts, delivering approximately $144,000 in projected annual cost savings.
- Engineered resilient data processing workflows with dead-letter queues (DLQs), automated data validation, and CloudWatch monitoring to improve reliability and fault tolerance.
- Enhanced platform scalability, operational efficiency, and onboarding capabilities through cloud-native architecture and automation.
Senior Software Engineer
Zaggle
- Developed a QR-based petty cash payment system using Spring Boot microservices, Redis for authentication caching, and Kafka for asynchronous payment processing.
- Reduced manual reconciliation effort by 40% by automating transaction auditing and approval workflows across finance and operations teams.
- Spearheaded end-to-end development of the Travel Advance Module, leveraging Kafka-based asynchronous messaging and PL/SQL data pipelines for scalable, auditable transaction processing.
- Mentored two junior engineers on microservices design patterns and conducted code reviews to maintain engineering quality and coding standards.
Software Engineer
Caastle
- Engineered and optimized customer onboarding and sign-up workflows using Java and Spring Boot, improving user sign-up conversions by 25%.
- Redesigned inventory management workflows and optimized backend processing, reducing inventory-related operational costs by 56%.
- Enhanced refund processing systems by streamlining backend workflows and business logic, reducing refund processing time by 40%.
- Optimized NGINX configurations and request handling to improve application performance by 30%.
- Developed and maintained scalable REST APIs and microservices, focusing on system reliability, performance optimization, and maintainable backend architecture.
Project Engineer
Wipro
- Contributed to automotive software development, focusing on real-time operating systems (RTOS), Over-the-Air (OTA) updates, and GPS integration.
- Worked on software components supporting connected vehicle functionality and gained foundational experience in Java/J2EE and AWS technologies.
B. Tech
National Institute of Technology Raipur
Attendee · Oct 24, 2026