Siva D

Senior Software Engineer

+1 (614) 664-9498

Sivad5712@gmail.com

linkedin.com/in/sivad571

github.com/sivad5712

Professional Summary

Siva D is a Senior Software Engineer with around 8 years of experience designing, optimizing, and deploying scalable enterprise applications across financial services, healthcare, IoT, and cloud modernization programs. He specializes in Java, Spring Boot, microservices, React, Angular, REST/GraphQL APIs, Kafka, cloud platforms, Kubernetes, CI/CD, and distributed system modernization. He has worked on mission-critical platforms involving core banking modernization, healthcare data exchange, CAD visualization, fleet analytics, fraud monitoring, and clinical intelligence systems. His experience spans backend engineering, frontend development, cloud-native architecture, real-time data pipelines, API integrations, database optimization, secure authentication, observability, and Agile/Scrum delivery.

Technical Skills

Frontend

React.js Angular Vue.js JavaScript TypeScript HTML5 CSS3 Sass Bootstrap AJAX jQuery RxJS

Backend

Java Scala Spring Boot Spring MVC Spring Security Hibernate Node.js Express.js Django Flask PHP Laravel

APIs & Security

REST APIs GraphQL SOAP FHIR OAuth 2.0 JWT API Gateway MFA JSON Swagger JAX-RS

Microservices & Broker

Microservices Kafka Kafka Streams RabbitMQ ActiveMQ Event-Driven Architecture

Databases

PostgreSQL MySQL Oracle DB2 MongoDB DynamoDB Cassandra SQLite PL/SQL

Cloud & DevOps

AWS (EC2, S3, Lambda, RDS, DynamoDB, IAM, CloudWatch) Azure (AKS, Functions, SQL, Blob, Key Vault) GCP / GKE Docker Kubernetes Terraform CloudFormation Helm

CI/CD & Testing

Jenkins GitHub Actions Git JUnit Mockito Jest Cypress Prometheus & Grafana ELK Stack Splunk SonarQube OWASP

Professional Experience

Sr. Software Engineer

Credit Union of Atlanta

Dec 2024 – Present Atlanta, GA

Built Angular/TypeScript member-facing digital banking interfaces.
Developed Spring Boot REST APIs for core banking services.
Migrated services to AWS EKS/Kubernetes for scalability and reliability.
Used AWS EC2, Lambda, S3, DynamoDB streams, and API Gateway.
Optimized PostgreSQL schemas and improved query performance by 35%.
Built CI/CD pipelines using Jenkins and Docker.
Created dashboards for member trends and operational insights.
Used Prometheus and Grafana to reduce downtime by 40%.
Applied SonarQube and OWASP scans for security compliance.
Participated in SAFe Agile ceremonies and mentored junior developers.

Sr. Software Engineer

Centene Corporation

Feb 2024 – Nov 2024 St. Louis, MO

Built multi-tenant Spring Boot REST APIs following healthcare API governance.
Developed React modules for care coordination and high-risk member workflows.
Built dashboards for enrollment, claims, and utilization trends, improving accessibility by 30%.
Integrated FHIR R4/R5 endpoints and HL7-based data flows.
Optimized Spring Boot APIs and reduced latency by 25%.
Designed PostgreSQL and MongoDB schemas for 5TB+ health and claims data, increasing query performance by 40%.
Implemented OAuth2 and OpenID Connect with Okta for HIPAA/SOC2 compliance.
Created JUnit/Mockito tests with 85% code coverage.
Maintained Jenkins pipelines for Dockerized microservices on AWS EKS.
Used Terraform and CloudFormation to automate infrastructure, reducing manual deployment errors by 80%.
Reduced MTTR by 50% using Prometheus and Grafana.
Participated in SAFe Agile and mentored junior engineers.

Senior Software Engineer

Conmet

Sep 2023 – Feb 2024 Vancouver, WA

Built React/TypeScript modules for 3D CAD visualization, rendering, and annotation.
Developed Spring Boot 3 microservices with REST and GraphQL APIs.
Designed MongoDB and Cassandra models for CAD file hierarchies and fleet time-series data.
Integrated Kafka event streams for real-time fleet telemetry.
Built OAuth2/JWT role-based access and MFA.
Created Node.js/Express geofencing and rule-engine services.
Containerized services with Docker and deployed on AWS EKS.
Used AWS S3, Lambda, Glue, and data lake workflows.
Built real-time ETL pipelines using Lambda.
Created GitHub Actions CI/CD workflows.
Used Redis for low-latency caching of CAD thumbnails and fleet KPI snapshots.
Used Prometheus, Grafana, ELK, and Splunk for monitoring.
Migrated RabbitMQ to Kafka for high-throughput telemetry ingestion.

Software Engineer

HDFC Bank

Jul 2019 – Aug 2023 Mumbai, India

Built React 18 dashboards for real-time fraud monitoring using WebSocket and Server-Sent Events.
Developed Spring Boot 3 microservices with REST and GraphQL APIs.
Used Kafka for exactly-once event streaming into fraud/risk engines.
Designed Cassandra schemas for high-throughput transaction lineage.
Secured systems with OAuth2, JWT, MFA, and PCI DSS-aligned controls.
Used Redis caching for risk models and customer profiles.
Deployed microservices on Azure AKS with Docker and Terraform.
Built Jenkins CI/CD pipelines with JUnit, Mockito, Postman, and Cypress.
Used Prometheus, Grafana, ELK, and Splunk for monitoring.
Managed Oracle on Azure and MongoDB/Cosmos-style logging.
Built webhook callbacks for partner banks and payment networks.
Created Node.js/Express API Gateway with rate limiting and schema validation.
Used Azure Functions and API Management to reduce operational cost by 40% and improve scalability by 60%.

Associate Software Engineer

Apollo Hospitals Enterprise Limited

Jan 2017 – Jun 2019 Chennai, India

Built React components for clinician-facing workflows.
Designed Spring Boot REST APIs for patient data retrieval and updates.
Participated in Agile two-week sprint planning with product owners and UX designers.
Deployed microservices to Google Kubernetes Engine using Docker, Helm, and Terraform.
Modeled Cassandra keyspaces for time-series vitals data.
Used Redis caching to reduce backend load.
Wrote JUnit and Mockito tests in GitHub Actions pipelines.
Built Prometheus metrics and Grafana dashboards.
Implemented Spring Security RBAC/ABAC to protect PHI.
Used Kafka Streams for real-time vitals and alert event processing.
Troubleshot production incidents and created root-cause analysis.
Authored API specs and documentation in Confluence and Swagger.

Selected Projects

Core Transformation & Cloud Modernization

Sr. Software Engineer - Credit Union of Atlanta

Led legacy migration to Spring Boot microservices, Kafka data pipelines, and AWS/Azure Kubernetes deployments, cutting overall downtime by 40%.

Java Spring Boot AWS EKS Kubernetes Kafka PostgreSQL

Intelligent Health Data Exchange & Care Insights

Sr. Software Engineer - Centene Corporation

Engineered Spring Boot REST APIs and FHIR/HL7 sync endpoints handling 5TB+ healthcare data, reducing MTTR by 50% using Grafana.

Spring Boot FHIR R4/R5 React AWS EKS PostgreSQL Okta

Certifications

Oracle Java SE 11 Developer

Oracle Java SE 8 Programmer

AWS Certified Developer

Microsoft Certified Azure Fundamentals

Oracle Cloud Infrastructure 2025 Certified Developer Professional

Oracle Cloud Infrastructure 2025 Certified Generative AI Professional

Microsoft Solution Architecture

Education

Master’s in Computer Science

Kent State University

Alpharetta, GA (Resident Location)