Krishna Kumar Yadav

• Architected and scaled microservices for AirAsia Move platform processing 1.5K+ requests per second (5.4M+ hourly, 1.3B+ daily), serving millions of travelers across flight bookings, hotels, and travel services

• Refactored legacy services applying SOLID design principles and modern architectural patterns, improving code maintainability and system performance

• Developed multiple new microservices to fulfill critical business requirements including price-slash features, fare-summary for post-booking ancillaries, and flight change functionality

• Implemented advanced travel features including pre-selected insurance integration on Zodiac platform and comprehensive manage-my-booking capabilities

• Optimized system performance by eliminating memory leaks using JVisualVM and Apache JMeter profiling tools, resulting in enhanced service reliability and reduced resource consumption

• Migrated infrastructure to Google Cloud Platform by transferring image assets from external providers (Kiwi) to in-house GCP buckets, improving performance and reducing dependency costs

• Enhanced application startup performance by implementing GraalVM technology, significantly reducing service initialization time

• Designed comprehensive technical documentation including High-Level Design (HLD) and Low-Level Design (LLD) based on business specifications and requirements

• Implemented Test-Driven Development (TDD) practices to prevent production-level bugs and edge cases, improving overall code quality

• Conducted rigorous load testing using JMX files to validate service scalability and performance under high-traffic conditions

• Led cross-functional collaboration and provided mentorship to junior developers, fostering knowledge sharing and team growth

• Maintained production system reliability by actively resolving critical production issues and implementing preventive measures

• Led development team of 4+ developers for 6+ months, driving successful delivery of enterprise HRMS platform serving thousands of Kotak Securities employees

• Architected comprehensive security framework developing and testing Security Service modules to enable robust authentication and authorization across the entire HRMS product suite

• Designed and implemented RESTful API ecosystem based on complex business requirements, creating scalable backend services for HR operations and employee management

• Created detailed technical documentation including High-Level Design (HLD) and Low-Level Design (LLD) specifications based on business requirements, ensuring clear architectural vision

• Contributed to critical data modeling and system design phases, establishing database schemas and architectural patterns for enterprise-grade HR management platform

• Developed full-stack solutions by creating Angular components and integrating them seamlessly with backend microservices, delivering end-to-end functionality

• Implemented comprehensive testing strategy by writing extensive unit test cases for API validation, ensuring high code quality and reliability standards

• Actively participated in code reviews and design discussions, maintaining development best practices and knowledge sharing across the engineering team

• Delivered enterprise-grade financial services solutions ensuring compliance with regulatory requirements and security standards specific to securities trading industry

• Mentored junior developers and facilitated knowledge transfer sessions, contributing to team skill development and technical growth

• Developed innovative API comparison utility framework to display differences between multiple API versions, enabling efficient version control and change management for financial services applications

• Built data streaming solutions by creating Python scripts for Kafka server integration, facilitating real-time data processing and messaging capabilities

• Designed and implemented RESTful APIs based on specific business requirements for the BankSight platform, supporting core banking functionalities

• Contributed to full-stack development by creating Angular components for seamless frontend-backend integration and enhanced user experience

• Implemented comprehensive testing framework by writing unit test cases for API validation, ensuring code quality and system reliability

• Engineered OpenBanking-compliant APIs for major financial institutions including Arbuthnot Banking Group (ABT) and First Bank of Nigeria (FBN), ensuring regulatory compliance and security standards

• Developed RESTful APIs based on PSD2 specifications for Bank of Volleta (BOV), implementing secure resource access using OAuth2 authentication framework

• Implemented enterprise-grade security solutions using Spring Security framework with OAuth2 and JWT tokens for API-level resource protection

• Authored comprehensive Postman test suites for rigorous API testing and validation, ensuring high-quality deliverables to banking clients

• Collaborated directly with international banking clients for requirement gathering, analysis, and technical consultation across multiple projects

• Resolved critical production-level issues for live banking systems, ensuring minimal downtime and maintaining service reliability

• Participated in peer code reviews and contributed to development best practices, maintaining high code quality standards

• Integrated SOAP-based web services with OBAPI systems and developed custom adaptors for entity compatibility across banking platforms

• Co-founded and architected multi-vendor eCommerce platform from concept to acquisition, serving 80+ vendors while simultaneously pursuing Master's degree in Software Engineering

• Built and scaled distributed systems architecture handling multiple vendor integrations, payment gateways, and real-time inventory management across diverse product categories

• Developed full-stack eCommerce solution using Java backend services with Spring Framework and modern web technologies for seamless user experience

• Implemented secure payment processing systems and vendor onboarding workflows, ensuring PCI compliance and financial transaction security

• Led product development lifecycle from initial MVP to production-ready platform, managing technical roadmap and feature prioritization

• Successfully negotiated and completed startup acquisition demonstrating strong business acumen alongside technical leadership capabilities

• Managed vendor relationships and technical integrations for 80+ merchants, creating APIs and tools for seamless multi-vendor operations

• Established development best practices including version control, testing frameworks, and deployment pipelines for sustainable growth

• Demonstrated entrepreneurial leadership by balancing startup responsibilities with academic commitments, showcasing exceptional time management and multitasking abilities