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Kayalvizhi Shanmugam

@kayalvizhishanmugam

Solution architect at Fidelity and MedImpact who enabled 50% faster fintech vendor onboarding with a modular API platform.

India

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What I'm looking for

I'm open to full-time or contract opportunities, remote or based in Dubai, Abu Dhabi, Singapore, or the wider GCC. I'm ready to relocate on offer.

At Fidelity Investments, I designed and operated about 32 production APIs on Apigee and architected a modular API platform that enabled 50% faster vendor onboarding across 28+ integrations.

At MedImpact Healthcare, I led a team of 27+ engineers and architects delivering a multi-cloud healthcare platform on AWS and Azure. It achieved 99.99% uptime and 100% SOC2/GDPR compliance.

I also modernised IBM BPM and Camunda into Kafka-driven Spring Boot microservices, achieving a 21% throughput gain and an 18% infrastructure cost reduction. A custom Java Zero Trust WAF with mTLS, OAuth2 and OWASP Top 10 mitigations reduced the attack surface by 80%.

In my independent consulting work, I designed API and integration architectures and developed Agentic AI platforms using LangChain4j, RAG and GraphRAG. Spring WebFlux microservices with FAISS/OpenSearch reduced API latency by 40%, while Agentic AI with Istio cut production incidents by 35%.

Experience

Work history, roles, and key accomplishments

Senior Solution Architect

Independent Consulting

Jan 2025 - Oct 2026 (1 year 9 months)

Designed API gateway and integration layers using Azure APIM and AWS API Gateway with Zero Trust security. Architected Agentic AI platforms and led legacy-to-modern integration modernisation.

Azure APIM AWS API Gateway OAuth JWT mTLS Kafka Spring WebFlux (Reactive)LangChain4j RAG Graph RAG Neo4j Faiss OpenSearch Prometheus Grafana OpenTelemetry Terraform CI CD

Senior Technical Lead

Cognizioni

Oct 2024 - Dec 2024 (2 months)

Led Azure cloud modernisation defining AKS microservices architecture. Established observability architecture using Azure Monitor, Splunk and OpenTelemetry.

Azure AKS Microservices azure monitor Splunk OpenTelemetry

Technical Lead III – Solution Architect

Photon Interactive

Dec 2022 - Jun 2024 (1 year 6 months)

Led a team of 27+ engineers and architects delivering a multi-cloud HA platform, Zero Trust security framework, and IBM BPM modernisation.

AWS Azure Terraform Kubernetes Amazon EKS AKS Java Spring Boot Kafka Zero Trust OAuth mTLS OWASP SOC2 GDPR

Principal Software Engineer

Photon Interactive

Sep 2020 - Dec 2022 (2 years 3 months)

Designed and operated about 32 APIs on Apigee in production. Led monolith-to-microservices migration and implemented self-healing patterns on AWS EKS.