Open to select opportunities

Kalidas Kanniappan

Lead Software Engineer

SF, CA

Building high-performance web applications at scale. Architecting microservices. Delivering experiences that matter.

Next.jsTypeScriptReactThree.jsAI/LLMNode.js
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01About

Building at the frontier of what's possible

Accomplished Lead Software Engineer with 15 years of extensive experience in spearheading application development, enhancement, and integration of sophisticated web-based solutions. Proficient in leveraging cutting-edge technologies such as JavaScript, React, and Java to deliver high-performance applications that enhance user experiences. Expertise in cloud technologies, micro services architecture, and containerization ensures the deployment of scalable and secure solutions.

My work sits at the intersection of engineering rigor and product craft. I believe the best frontend code is invisible to users — they just experience something that feels fast, natural, and right. I've led teams shipping systems that handle billions of requests, and I still care deeply about the pixel-level details.

Frontend ArchitectureAI IntegrationDeveloper ExperienceSystem DesignEngineering Leadership
15+
Years of Experience
9+
Companies Served
3
Countries Worked In
B.E.
Anna University, CS
philosophy.ts
// My engineering north star
const build = (product) => {
  return {
    craft: 'obsessive',
    scale: 'millions',
    speed: 'relentless',
  };
}
02Projects

Things I've shipped

View all on GitHub

Nike Web Platform

Featured

Developed responsive, user-friendly web interfaces at Nike to enhance user satisfaction. Implemented complex user interactions and dynamic content using React. Created and optimized RESTful APIs ensuring seamless integration with external services.

ReactTypeScriptNextJSREST APIsGraphQL+1

Walmart High-Volume Java Platform

Featured

Designed, implemented, and maintained high-volume, low-latency Java applications for mission-critical systems at Walmart. Developed and deployed cloud applications using CI/CD pipelines. Created and optimized Kafka connectors leveraging Kafka core concepts and APIs.

JavaKafkaSpring BootReactDocker+2

Microservices & REST APIs

Featured

Designed and implemented robust service layer applications and microservices with Spring Boot and Spring Framework. Developed and exposed APIs through RESTful services, enhancing integration capabilities across enterprise systems.

JavaSpring BootNode.jsExpressJSDocker+2

FIS Multi-Tenant Banking Application

Designed and developed multi-tenant support applications using Java Spring Framework, JPA-Hibernate, and IBMMQ. Worked with System Engineers to implement requirements from system requirement reviews, creating sequence and flow diagrams.

JavaSpring FrameworkJPAHibernateIBMMQ+2

Module Federation Architecture

Architected and implemented micro-frontend solutions using Module Federations pattern, enabling independent deployment of frontend modules across large enterprise applications.

ReactNextJSModule FederationTypeScriptMicroFrontend+1

Angular Enterprise Components

Developed reusable, testable Angular components extending core Angular functionalities. Leveraged Angular best practices to enhance application performance across enterprise-scale projects at Cognizant.

AngularTypeScriptHTML/CSSREST APIsAgile
03Skills

The full stack

Frontend

8
React / NextJSJavaScript / TypeScriptHTML / CSSAngularMicroFrontendModule FederationsPerformance OptimizationResponsive Design

Backend & APIs

8
JavaSpring Boot / Spring FrameworkREST APIsGraphQLNode.js / ExpressJSJPA / HibernateIBMMQKafka

Cloud & Infrastructure

8
Cloud ComputingDockerKubernetesContainerizationCI/CD PipelinesMicroservices ArchitectureHigh AvailabilityScalability

Data & Observability

8
SQL / HQLDatabase DesignKafka StreamingObservabilityPerformance MonitoringArchitecture PatternsJUnit / MockitoTesting Frameworks

Leadership

8
Agile / ScrumCross-functional CollaborationMentorshipTechnical StrategyArchitecture ReviewUser Experience AuditsDocumentationProduction Support
04Experience

Where I've made impact

10+ years of increasingly complex systems, growing teams, and higher-stakes decisions. Each role pushed me further into architecture, leadership, and product thinking.

Develop responsive, user-friendly web interfaces to enhance user satisfaction at one of the world's leading athletic brands.

  • Implement complex user interactions and dynamic content using JavaScript frameworks, particularly React
  • Create and optimize RESTful APIs, ensuring seamless integration with external services
  • Conduct user experience audits to identify pain points, informing optimization strategies
  • Monitor application performance metrics to address issues impacting user experience
ReactJavaScriptTypeScriptNextJSREST APIsGraphQLCloud Computing
05Contact

Let's build something remarkable

I'm selectively exploring new opportunities — Staff and Principal roles where I can architect systems at scale and elevate an engineering organization.

[email protected]