RAJARSHI RAY
Kolkata
Summary
Dynamic Technical Solution Architect (20+ Years experience) with a proven track record, leading microservices, Cloud, and AI initiatives. Expert in Azure and cloud solutions, recognized with the CEO Award. Skilled in Agile methodologies and full-stack development, driving innovation and excellence in complex projects.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Technical Solution Architect(Associate Director)
Willis Tower Watson
06.2016 - Current
- Lead Technology Architect for product development.
- Directed architectural strategies for microservices, artificial intelligence implementation, and cloud solutions.
- Azure and Oracle Cloud management
- Earned the prestigious CEO Award, WTW's highest honor.
Technical Solution Architect
Ericsson
12.2014 - 06.2016
- Architected self-care portal enabling plan management and billing functionality
- Implemented desktop and mobile solutions using Spring MVC and REST services
- Integrated with Adobe Analytics and AEM 6.1
Lead Product Engineer
Siemens
11.2013 - 12.2014
- Developed healthcare financial products for US hospitals
- Implemented online content authoring through Adobe AEM
- Managed revenue cycle and insurance data handling systems
Technical Lead
Citi Group NA(Cognizant)
11.2010 - 10.2012
- Led development of real-time remittance system
- Implemented mobile wallet solution for cross-border money transfers
- Integrated multiple financial systems using SOA architecture
Technical Lead
IBM Research
03.2007 - 12.2010
- Led the SOA Excellence Center
- Implemented multiple projects on Model Driven Business Transformation
- Received Outstanding Technical Achievement Award( Highest Tech Award in IBM Research)
Education
Bachelor of Engineering -
IIEST Shibpur (Formerly Bengal Engineering And Science University)
07-2004
Skills
- Enterprise & Application Architecture
- Artificial intelligence
- Azure(Entra, App Service, APIM, AKS, AI)
- Technical documentation
- Agile methodologies
- Full-Stack Development
- Cloud Solutions (AWS/Azure/OCI)
- Microservices Architecture
- Agile & Scrum Leadership
- Java
- Python
- JavaScript
- Spring Boot
- Angular, React
- HuggingFace , Donut
- Large Language Model( DocLLM etc)
- Agentic AI ( Lang graph, Agno , Phidata, Grew AI)
- Gen AI - Copilot Studio
- Github Copilot, Prompt Engineering
- Docker,Kubernetes
- NoSQL
Certification
- AWS Certified Solutions Architect (Associate)
- Machine Learning (Stanford University)
- Certified Scrum Master (CSM)
- SAFe Agilist Certified
- IBM Certified SOA Associate
- Sun Certified Java Programmer
- IBM Blockchain (Hyperledger) Badge
Accomplishments
- Global CEO Award (WTW)
- Outstanding Technical Achievement (IBM Research)
Timeline
Technical Solution Architect(Associate Director)
Willis Tower Watson
06.2016 - Current
Technical Solution Architect
Ericsson
12.2014 - 06.2016
Lead Product Engineer
Siemens
11.2013 - 12.2014
Technical Lead
Citi Group NA(Cognizant)
11.2010 - 10.2012
Technical Lead
IBM Research
03.2007 - 12.2010
Bachelor of Engineering -
IIEST Shibpur (Formerly Bengal Engineering And Science University)
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