Prabhakaran Rajagopal
Andover,MA
Summary
Senior Application Architect with 22+ years of experience designing and delivering scalable, cloud-native, microservice-based enterprise platforms across global organizations. Skilled in implementing Generative AI applications, autonomous agents, RAG pipelines, and orchestration frameworks across cloud and AI platforms such as Azure, AWS, and OpenAI. Expert in architecture standardization, API governance, data modeling, domain-driven design, and high-availability distributed systems. Experienced in contributing to architecture governance, enabling cross-team alignment, and leading technical strategy for complex multi-team programs. Adept at modernizing legacy systems, establishing engineering standards, mentoring teams, and helping move architectural ideas into workable technical tasks.
Overview
23
23
years of professional experience
Work History
AI Cloud Architect
Teradyne Inc.
06.2024 - Current
- Designed and delivered LLM-powered enterprise apps, including RAG systems, autonomous agents, and AI workflows using OpenAI, Azure AI, and LangChain.
- Conducted model evaluation and cost/performance benchmarking across OpenAI, Anthropic & Mistral to guide architectural decisions.
- Engineered microservice-based modular platforms in .NET Core and gRPC enabling extensibility and high throughput.
- Implemented event-driven architectures with RabbitMQ, ensuring asynchronous processing and domain isolation.
- Authored architecture documentation, API contracts, and technical specifications to guide engineering teams.
Application Architect
Abbott
11.2022 - 05.2024
- Built secure healthcare applications with role-based access, HL7/FHIR awareness, and enterprise-grade API security (OAuth2/JWT).
- Engineered event-driven microservices using .NET Core, gRPC, Kafka, Azure Service Bus & Event Hubs.
- Containerized and deployed services using Docker, Kubernetes/ECS, improving reliability and scalability.
- Optimized backend performance, implemented caching strategies, and improved observability.
- Contributed to CI/CD pipelines, automated test suites, and cloud deployment strategies.
.NET Architect
GE Vernova
06.2014 - 10.2022
- Architected enterprise applications using .NET Core, C#, CQRS, DDD & SOLID principles.
- Modernized large-scale legacy .NET applications to .NET 6, improving maintainability and cloud readiness.
- Designed gRPC modules, service endpoints, and data validation engines for high-performance distributed platforms.
- Implemented contract-first development, structured API specifications, and automated integration tests.
- Built reusable component libraries and plugin architectures enabling platform composability.
- Led architecture reviews, code quality initiatives, and mentored developers across multiple international teams.
- Ensured secure systems using encrypted SFTP pipelines, secure authentication, and standardized logging frameworks.
Module Lead
Xerox
04.2011 - 06.2014
- Designed CRUM & orchestration modules for embedded systems using C++.
- Built integration testing frameworks (FitNesse, Ruby) ensuring reliability and regression coverage.
Lead Developer
Johnson & Johnson
04.2008 - 03.2011
- Created multithreaded device communication frameworks using C++.
- Engineered Windows Portable Devices (WPD) wrappers using low-level Win32 serial protocols.
Software Engineer
Teradyne
01.2003 - 03.2008
- Developed High Parallel Testing (HPT) module enabling multi-stream hardware test execution.
- Contributed to performance tuning and defect resolution in C++/VBA.
Education
Master of Science - Software Systems
BITS, Pilani
India01.2007
Bachelor of Engineering - Electrical & Electronics
MKU, Madurai
India01.2001
Skills
- Architecture: Microservices, Event-Driven Architecture, CQRS, DDD, Clean Architecture, SOA, API Governance
- Cloud: AWS (Lambda, ECS, S3, API Gateway), Azure (App Services, Functions, Event Hub, Service Bus), Docker, Kubernetes, GitOps
- AI/ML: GenAI Applications, RAG, LangChain, FAISS, OpenAI, Azure AI, AWS Bedrock, Streamlit, Hugging Face
- Languages: C#, NET 6, Web API, Python, C, gRPC, REST, GraphQL
- Data & Messaging: SQL Server, MongoDB, Cosmos DB, DynamoDB, Redis, Kafka, RabbitMQ
- DevOps: CI/CD, Azure DevOps, GitHub Actions, Test Automation, Containerization
- Tools: VS, VS Code, Jira, Git, Postman, Swagger, PostSharp
Timeline
AI Cloud Architect
Teradyne Inc.
06.2024 - Current
Application Architect
Abbott
11.2022 - 05.2024
.NET Architect
GE Vernova
06.2014 - 10.2022
Module Lead
Xerox
04.2011 - 06.2014
Lead Developer
Johnson & Johnson
04.2008 - 03.2011
Software Engineer
Teradyne
01.2003 - 03.2008
Bachelor of Engineering - Electrical & Electronics
MKU, Madurai
Master of Science - Software Systems
BITS, Pilani