KAYALVIZHI SHANMUGAM
Enterprise Java Solution Architect
Chennai
Summary
Enterprise Java Solution Architect with 17+ years of experience designing scalable, secure, high-performance distributed systems across AWS and Azure. Expert in microservices, event-driven architecture, API strategy, and cloud-native platform engineering for healthcare, fintech, and financial services. Currently specialising in Agentic AI and LLM integration (RAG/GraphRAG, LangChain4j, AWS Bedrock) for intelligent automation and self-healing enterprise platforms.
Overview
22
22
years of professional experience
4
4
Certification
22
22
Post-secondary education
3
3
Languages
Work History
Senior Solution Architect
Independent Consulting
01.2025 - Current
- Architected Agentic AI platforms using Java 17, LangChain4j, LLMs, and RAG/GraphRAG (Neo4j) for real-time log analysis and automated root cause detection
- Designed Spring WebFlux microservices with FAISS/OpenSearch on AWS reducing API latency by 40%; engineered self-healing platforms via Agentic AI and Istio cutting incidents by 35%
Senior Technical Lead
Cognizioni / Capgemini
10.2024 - 12.2024
- Led Azure cloud modernisation defining AKS microservices architecture; resolved scalability bottlenecks improving system availability to 99.9% SLA
- Established observability architecture using Azure Monitor, Splunk, and OpenTelemetry, significantly reducing mean time to resolution (MTTR)
- End Client: Microsoft
Technical Lead III – Solution Architect
Photon Interactive
09.2020 - 06.2024
- Designed Multi-Cloud HA Platform (AWS + Azure) using Terraform and Kubernetes (EKS/AKS); automated disaster recovery ensuring 99.99% uptime and 100% SOC2/GDPR compliance
- Architected Zero Trust Security Framework with custom Java WAF; integrated mTLS, OAuth2, and OWASP Top 10 mitigations reducing attack surface by 80%
- Transformed IBM BPM/Camunda into Kafka-driven Spring Boot microservices achieving 21% throughput gain and 18% infrastructure cost reduction
- Client: MedImpact Healthcare
Principal Software Engineer – API & Platform Architect
Photon Interactive
01.2018 - 08.2020
- Led monolith-to-microservices migration (Spring Boot / Spring Cloud) improving release velocity by 45%; architected modular API platform enabling 50% faster vendor onboarding (28+ integrations)
- Implemented self-healing patterns in AWS EKS improving reliability by 35%; deployed Prometheus/Grafana observability stacks reducing P1/P2 incidents significantly
- Client: Fidelity Investments
Senior Technical Lead
Alten Calsoft Labs
01.2019 - 10.2019
Senior Associate – Java Architecture
Cognizant Technology Solutions
11.2015 - 07.2018
Lead Software Engineer
Collabera Technologies Pvt. Ltd.
01.2014 - 07.2014
Lead Engineer
HCL Technologies Pvt. Ltd.
11.2010 - 10.2012
Senior Developer
Esquire Systems
11.2007 - 09.2010
Software Engineer
ACE Infotech
06.2004 - 11.2007
Education
Master of Computer Applications (MCA) - undefined
Bharathidasan University
01.2004
B.Sc Computer Science - undefined
Bharathidasan University
01.2001
Skills
- Solution Architecture
- Cloud Architecture
- Microservices
- Event-Driven Architecture
- Distributed Systems
- Service Mesh (Istio)
- API Strategy
- Agentic AI
- LLM Integration
- RAG
- GraphRAG
- Prompt Engineering
- FAISS
- OpenSearch
- AWS Bedrock
- LangChain4j
- Neo4j
- AWS (EKS, Lambda, CloudFormation, SQS, SNS, API Gateway, Bedrock, S3, RDS)
- Azure (AKS, APIM, ADF, Monitor, ACR, Event Hub)
- Terraform
- Docker
- Kubernetes
- Jenkins
- GitHub Actions
- Azure DevOps
- CI/CD
- GitOps
- Java (8/11/17/21)
- Python
- Nodejs
- TypeScript
- Reactjs
- Reactive Programming (Project Reactor)
- Spring Boot
- Spring Cloud
- Spring WebFlux
- Spring Security
- Hibernate
- JUnit
- Mockito
- Apache Camel
- REST
- GraphQL
- GRPC
- Kafka
- RabbitMQ
- Azure Event Hub
- AWS SQS/SNS
- Camunda
- IBM BPM
- Prometheus
- Grafana
- ELK Stack
- Datadog
- Splunk
- OpenTelemetry
- Azure Monitor
- OAuth2
- JWT
- MTLS
- SAML
- Zero Trust
- WAF
- OWASP
- DevSecOps
- MySQL
- PostgreSQL
- Oracle
- DB2
- MongoDB
- DynamoDB
- Redis
Certification
- AWS Certified Solutions Architect – Associate
- AWS Certified Solutions Architect – Professional (In Progress)
- Sun Certified Java Professional (SCJP)
- Agile Scrum Master (ASM) – EXIN
- Advanced Generative AI – UpGrad
- Python Programming – Edureka
- Chatbot & NLP – Alison
- AI Accelerator – Be10X
Accomplishments
- Reduced API response latency by 40% via Spring WebFlux microservices integrated with FAISS/OpenSearch vector databases
- Cut production incidents by 35% through self-healing Agentic AI integrated with Istio service mesh closed-loop telemetry
- Achieved 99.99% uptime on multi-cloud healthcare platform (AWS + Azure) with 100% SOC2/GDPR compliance
- Reduced security attack surface by 80% via custom Java Zero Trust WAF with mTLS, OAuth2, and OWASP Top 10 mitigations
- Delivered 21% throughput gain and 18% cost reduction transforming IBM BPM into Kafka-driven Spring Boot microservices
- Enabled 50% faster vendor onboarding via modular API platform supporting 28+ global fintech integrations
Locations
- Chennai, Tamil Nadu, India
- Singapore, Singapore
- Dubai, UAE
Availability
Immediate, Open to Full-Time / Contract, Remote / Chennai / Singapore / Dubai
Personal Information
Availability: Immediate Joiner, Open to Full-Time / Contract | Remote / Chennai / Singapore / Dubai
Timeline
Senior Solution Architect
Independent Consulting
01.2025 - Current
Senior Technical Lead
Cognizioni / Capgemini
10.2024 - 12.2024
Technical Lead III – Solution Architect
Photon Interactive
09.2020 - 06.2024
Senior Technical Lead
Alten Calsoft Labs
01.2019 - 10.2019
Principal Software Engineer – API & Platform Architect
Photon Interactive
01.2018 - 08.2020
Senior Associate – Java Architecture
Cognizant Technology Solutions
11.2015 - 07.2018
Lead Software Engineer
Collabera Technologies Pvt. Ltd.
01.2014 - 07.2014
Lead Engineer
HCL Technologies Pvt. Ltd.
11.2010 - 10.2012
Senior Developer
Esquire Systems
11.2007 - 09.2010
Software Engineer
ACE Infotech
06.2004 - 11.2007
Master of Computer Applications (MCA) - undefined
Bharathidasan University
B.Sc Computer Science - undefined
Bharathidasan University