Senior Backend Engineer with nearly 20 years of progressive experience designing, building, and scaling enterprise-grade distributed systems across Global Logistics, Order Management System, Payments, Retail, and Enterprise ERP domains for Fortune 500 clients including GAP Inc., Macy's, Western Union, and Hewlett Packard. • Carries deep, production-proven expertise in the full Spring Boot ecosystem, including Spring Data JPA, Spring Security, Spring Web Flux, Spring Batch, and AOP, consistently delivering microservices that are performant, maintainable, and built to handle enterprise-scale traffic without compromise. • Hands-on architect of event-driven distributed systems using Apache Kafka, Apache Camel, and IBM MQ, designing asynchronous workflows and real-time data pipelines that process millions of business-critical events daily across logistics and retail supply chains. • Extensive experience managing enterprise-level AWS cloud-native environments. Expert in provisioning containerized (ECS/ECR), serverless (Lambda), and infrastructure-as-a-service (Elastic Beanstalk) solutions while maintaining secure, integrated data layers (API Gateway, Secrets Manager, SQS, DynamoDB, RDS). • Cloud-native practitioner with extensive experience on Microsoft Azure and Pivotal Cloud Foundry, orchestrating containerized applications Azure Kubernetes Service and building automated CI/CD pipelines using GitHub Actions and Jenkins that significantly reduce manual release overhead and deployment risk. • Independently conceptualized, built, and deployed a production-ready React, TypeScript, JavaScript frontend application using OpenAI Codex with zero prior AI or frontend experience, demonstrating the ability to absorb emerging technologies rapidly and deliver business value under real-world delivery constraints. • Trusted cross-functional leader and strategic communicator who partners directly with product owners, solution architects, and distributed offshore engineering teams to translate complex business requirements into technically sound system designs that consistently ship on schedule and within budget. • Technical mentor who grows engineering teams through structured code reviews, collaborative pair programming, rigorous sprint planning, and clean-code advocacy using JUnit 5, Mockito, and Wire Mock, raising the overall engineering quality. • Expert database engineer who designs and optimizes Oracle, MongoDB, and MySQL schemas using connection pooling, query caching, hibernate lazy-loading, and index tuning strategies, consistently delivering measurable reductions in average API response times under real production load conditions.

Kumar Kiyandoor

Senior Backend Engineer with nearly 20 years of progressive experience designing, building, and scaling enterprise-grade distributed systems across Global Logistics, Order Management System, Payments, Retail, and Enterprise ERP domains for Fortune 500 clients including GAP Inc., Macy's, Western Union, and Hewlett Packard. • Carries deep, production-proven expertise in the full Spring Boot ecosystem, including Spring Data JPA, Spring Security, Spring Web Flux, Spring Batch, and AOP, consistently delivering microservices that are performant, maintainable, and built to handle enterprise-scale traffic without compromise. • Hands-on architect of event-driven distributed systems using Apache Kafka, Apache Camel, and IBM MQ, designing asynchronous workflows and real-time data pipelines that process millions of business-critical events daily across logistics and retail supply chains. • Extensive experience managing enterprise-level AWS cloud-native environments. Expert in provisioning containerized (ECS/ECR), serverless (Lambda), and infrastructure-as-a-service (Elastic Beanstalk) solutions while maintaining secure, integrated data layers (API Gateway, Secrets Manager, SQS, DynamoDB, RDS). • Cloud-native practitioner with extensive experience on Microsoft Azure and Pivotal Cloud Foundry, orchestrating containerized applications Azure Kubernetes Service and building automated CI/CD pipelines using GitHub Actions and Jenkins that significantly reduce manual release overhead and deployment risk. • Independently conceptualized, built, and deployed a production-ready React, TypeScript, JavaScript frontend application using OpenAI Codex with zero prior AI or frontend experience, demonstrating the ability to absorb emerging technologies rapidly and deliver business value under real-world delivery constraints. • Trusted cross-functional leader and strategic communicator who partners directly with product owners, solution architects, and distributed offshore engineering teams to translate complex business requirements into technically sound system designs that consistently ship on schedule and within budget. • Technical mentor who grows engineering teams through structured code reviews, collaborative pair programming, rigorous sprint planning, and clean-code advocacy using JUnit 5, Mockito, and Wire Mock, raising the overall engineering quality. • Expert database engineer who designs and optimizes Oracle, MongoDB, and MySQL schemas using connection pooling, query caching, hibernate lazy-loading, and index tuning strategies, consistently delivering measurable reductions in average API response times under real production load conditions.

Available to hire

Senior Backend Engineer with nearly 20 years of progressive experience designing, building, and scaling enterprise-grade
distributed systems across Global Logistics, Order Management System, Payments, Retail, and Enterprise ERP domains for
Fortune 500 clients including GAP Inc., Macy's, Western Union, and Hewlett Packard.
• Carries deep, production-proven expertise in the full Spring Boot ecosystem, including Spring Data JPA, Spring Security, Spring
Web Flux, Spring Batch, and AOP, consistently delivering microservices that are performant, maintainable, and built to handle
enterprise-scale traffic without compromise.
• Hands-on architect of event-driven distributed systems using Apache Kafka, Apache Camel, and IBM MQ, designing asynchronous
workflows and real-time data pipelines that process millions of business-critical events daily across logistics and retail supply
chains.
• Extensive experience managing enterprise-level AWS cloud-native environments. Expert in provisioning containerized (ECS/ECR),
serverless (Lambda), and infrastructure-as-a-service (Elastic Beanstalk) solutions while maintaining secure, integrated data layers
(API Gateway, Secrets Manager, SQS, DynamoDB, RDS).
• Cloud-native practitioner with extensive experience on Microsoft Azure and Pivotal Cloud Foundry, orchestrating containerized
applications Azure Kubernetes Service and building automated CI/CD pipelines using GitHub Actions and Jenkins that significantly
reduce manual release overhead and deployment risk.
• Independently conceptualized, built, and deployed a production-ready React, TypeScript, JavaScript frontend application using
OpenAI Codex with zero prior AI or frontend experience, demonstrating the ability to absorb emerging technologies rapidly and
deliver business value under real-world delivery constraints.
• Trusted cross-functional leader and strategic communicator who partners directly with product owners, solution architects, and
distributed offshore engineering teams to translate complex business requirements into technically sound system designs that
consistently ship on schedule and within budget.
• Technical mentor who grows engineering teams through structured code reviews, collaborative pair programming, rigorous
sprint planning, and clean-code advocacy using JUnit 5, Mockito, and Wire Mock, raising the overall engineering quality.
• Expert database engineer who designs and optimizes Oracle, MongoDB, and MySQL schemas using connection pooling, query
caching, hibernate lazy-loading, and index tuning strategies, consistently delivering measurable reductions in average API
response times under real production load conditions.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

Javanese
Fluent

Work Experience

Technical Architect at GAP Inc.
June 1, 2023 - Present
Designed and developed high-throughput Spring Boot microservices for a global shipment tracking platform processing millions of logistics events daily. Architected Apache Kafka producer/consumer pipelines for real-time workflows and horizontal scalability. Managed deployments on Azure Kubernetes Service with autoscaling, health probes, resource quotas, and zero-downtime rolling updates. Built CI/CD pipelines with GitHub Actions and Jenkins to reduce manual release effort. Authored OpenAPI 3.0 specifications and integration guides to accelerate cross-team adoption. Implemented observability using Splunk dashboards and New Relic APM, and performed performance validation using Apache JMeter to prevent post-release incidents.
Technical Lead at GAP Inc.
December 1, 2017 - May 31, 2023
Led full-cycle technical delivery for distributed Order Management System and Payments platforms for two major US retail brands. Architected microservices for order lifecycle workflows with independently deployable boundaries. Implemented secure payment REST APIs using Spring Security with JWT and OAuth 2.0. Designed Apache Camel routes and IBM MQ configurations for reliable ordered message processing. Decomposed legacy monoliths into microservices to reduce deployment risk and improve release cycle times. Applied API gateway patterns (rate limiting, retries, timeouts) and circuit breakers for resilience during peak events. Tuned Oracle/MySQL schemas and Hibernate settings to reduce API response times and eliminated database bottlenecks.
Technical Lead at Macys Inc, Bloomingdales and Western Union
October 1, 2012 - December 1, 2017
Developed search and browse componentization for high-traffic eCommerce systems by decomposing tightly coupled modules into independently deployable services. Migrated XPI integrations to enable reliable data exchange with external services. Enforced TDD using JUnit to minimize defects prior to QA handoff. Automated CI/CD with Jenkins and deployed resilient cloud-native workloads on AWS (ECS, ECR, API Gateway, SQS, DynamoDB, RDS, Secrets Manager), improving stability during peak retail traffic events.
Senior Software Engineer at Hewlett Packard
May 1, 2010 - October 1, 2012
Developed a DHL Cost of Sales UI and a ShipCost details backend using Java and Spring to compute category-specific airline shipping costs across multiple countries. Implemented a dynamic cost recalculation engine driven by carrier type, airline category, and country pricing rules; persisted updated cost records for accurate financial reporting and reconciliation. Built production-grade RESTful APIs on on-prem infrastructure and contributed to agile delivery including builds, CI/CD, automated testing, troubleshooting, and performance optimization.
Software Engineer at Steria India Ltd
June 1, 2005 - October 1, 2010
Built backend services for BT self-procurement workflows and BBC Cash reconciliation. Developed a procurement UI to enable business users to manage procurement cycles with reduced manual intervention. Implemented a BBC Cash reconciliation system reconciling 31 accounts using intelligent matching logic across transactions and member/account lifecycle services, reducing manual effort and financial discrepancies.

Education

Master of Business Administration (MBA) at Anna University, India
January 1, 2002 - January 1, 2004
Bachelor of Computer Applications (BCA) at Sri Venkateshwara University, India
January 1, 1998 - January 1, 2001
Master of Business Administration (MBA) at Anna University
January 1, 2002 - January 1, 2004
Bachelor of Computer Applications (BCA) at Sri Venkateshwara University
January 1, 1998 - January 1, 2001

Qualifications

Add your qualifications or awards here.

Industry Experience

Transportation & Logistics, Retail, Financial Services, Software & Internet, Professional Services, Computers & Electronics