SUBRAMANIAN KUMARAPPAN
Cloud Architect
Hong Kong
Summary
Seasoned IT leader with expertise in cloud technologies and Agile delivery, passionate about driving cost-efficient solutions for global enterprises. Cloud computing professional with strong focus on designing and implementing scalable, reliable, and secure cloud solutions. Skilled in leveraging cloud platforms, automation tools, and infrastructure as code to optimize performance and cost-efficiency. Known for team collaboration and adaptability in fast-paced environments, ensuring high-quality results. Reliable problem solver with deep understanding of cloud architecture, DevOps practices, and security protocols.
Overview
23
23
years of professional experience
3
3
Certificates
1
1
Language
Work History
Cloud Architect & Regional Technical Manager
Cognizant Technology Solutions
09.2022 - Current
- Client Overview: A leading insurance company, APAC.
- EPOS is a point-of-sale application used by agents. This application is developed using microservice principals. There is a core application developed and is used by markets. Markets clone the code and update market specific changes. Also, the services are deployed into each market. The login/payment/db and other components are specific to market.
- The services are broken to multiple microservices. Cloud design patterns API gateway, Event sourcing, Claim-check, Gateway, BFF and Config Server are applied in the design.
- Identified and remediated single points of failure and security risks.
- Partnered closely with technical stakeholders to implement security, operational, compliance and privacy-related controls as part of cloud blueprints.
- Collaborated with cross-functional teams to ensure seamless integration of cloud services into existing systems.
- Optimized cloud infrastructure using data-driven analysis, resulting in significant cost savings.
- Improved regional technical support by streamlining processes and implementing best practices.
- Define standards for logging, tracing.
- Looking for cost reduction improvements in the process/ components by analysis and review
- Infrastructure cost forecast/planning
Migration Architect
Cognizant Technology Solutions
10.2020 - 08.2022
- Client Overview: A leading insurance company, APAC.
- Around 550 microservices were running on PCF and they need to be migrated to AKS. 400 microservices using factory model and 150 microservices for Point of Sale (ePOS) as another program. The project mainly deals with migration aspects and dockerization of services for migration.
- Attended team meetings to resolve technical and project issues and review project schedules.
- Coordinated with cross-functional teams to improve structure sustainability and design.
- Improved project delivery times with meticulous planning and effective coordination with construction teams.
- Oversaw architectural phases of projects from concept through completion, ensuring consistency with initial design visions.
Platform Engineer/Architect
Cognizant Technology Solutions
01.2021 - 03.2022
- Client Overview: A leading insurance company, APAC.
- ATO is responsible for infrastructure setup of Azure environments for Asia. The project involves creating Clusters, RBAC, SA's, setting up logging, application framework, standards, tools and process for the organization. Also involves environment upgrade of clusters with new versions of framework components.
- Kubernetes infrastructure setup – fluentd, rabbitmq, newrelic, kured, service mesh, multi tenancy, etc
- Implemented security best practices, safeguarding sensitive data and minimizing vulnerabilities.
- Prepare roadmap for application migration to cloud.
- Conducted research to identify and evaluate new technologies and concepts.
- Partnered with stakeholders to gather requirements and translate them into actionable engineering tasks.
- Contributed to the development of microservices architecture for enhanced modularity and flexibility.
Architect (Individual Contributor)
Cognizant Technology Solutions
12.2016 - 09.2020
- Client Overview: A leading financial services company, US.
- Shared services consists of publish subscribe services for different internal teams, swift transformation services, and fax and email services. The publish subscribe services acts as a filter and based on the defined rules, push the messages to different down streams. The rules are either defined in data base or in DRL files. There are internal APIs to do the filtering and the messages are published based on that.
- The services are broken to multiple microservices. There are Config/Gateway/Error/Retry services along with main services. Cloud design patterns API gateway, Event sourcing, Config Server, Bulkhead and Service Discovery (Eureka & Hysterix) are applied in the design.
- Requirement analysis, design and development of micro services
- Feasibility study with Point of View for new services with different technologies.
Release Lead / Technical Architect
Mphasis Australia and HP
Sydney, Australia
10.2012 - 08.2016
- Client Overview: Leading Bank in Australia.
- Client is one of the respected and leading banks in Australia. The RCU is providing the Agile Cards Framework (ACF) product to the bank and all the credit card services along with it. HP is also having the data center for the same. Complete End to End solutions to the bank. The solution is across different platforms and technologies like mainframe, Informatica, Java, Web services, Oracle, etc.
- Resolved complex technical issues by troubleshooting systems, analyzing root causes, and implementing effective fixes.
- Enhanced system performance by optimizing code and implementing efficient monitoring.
- Release/Environment Management
Technical / Solution / Project Lead
Mphasis an HP Company
Chennai, India
09.2010 - 09.2012
- Client Overview: Leading Bank in India.
- Client is a leading bank and requires a Net Banking site for its credit card holders where they could see their Statements, Credit Balances etc. Besides there is also the need for a Web based interface for the Bank Users/Administrators and complaint tracking system (CTS) for Back-office staff. The e-Solutions is an architecture which engineers the same to suit the needs for the Card holder, Bank User / Administrator.
- Requirement analysis and preparation of Technical Design document.
- Review of Design documents
- Coding and Code Review.
- Production Support
Technical Lead / Scrum Master
Verizon Data Services India (Pvt Ltd)
Chennai, India
07.2009 - 08.2010
- Clients Overview: Leading telecom company in US
- Requirement gathering and preparation of Detailed Design document.
- Review of Design documents
- Coding architecture related changes and Code Review
- Scrum Master for Agile implementation
Project Leader
Wipro Technologies
Barcelona, Spain & Chennai, India
02.2005 - 06.2009
- Clients Overview: Leading Financial Provider, Europe & Leading Insurance Provider, United Kingdom
- Requirement gathering, low level and high-level technical Design
Review of Design documents - Coding architecture related changes and Code Review
- Project Status Tracking, Planning and Effort Estimation
- Collaborated with team members to develop, identify and accomplish assigned goals and objectives.
- Established strong relationships with clients, fostering trust and open communication throughout the entire project lifecycle.
Programmer Analyst
HTC Global Services(India) Private Limited
Chennai, India
06.2002 - 01.2005
- Clients Overview: Global Publishing Leader, United States. & HTC Products
- Client has deployed delivery technologies to serve markets from print to electronic solutions. The earlier deployed technologies have limitations. Client has requested a new architecture that will utilize commercial of-the-shelf solutions and proven industry standard development tools and methodologies to provide key services such as authentication and authorization, data services, search engine, and indexing.
- As a senior member of the team, responsible for the Implementing the realizations of use cases which are given by client.
- Client integration for business requirement clarification.
- Responsible for developing XSL files, using XSLT, XPath to transform XML Documents for display
Education
Bachelor of Engineering -
ACCET, Madurai Kamaraj University
India04.1999
Skills
Software design
Microservices architecture
Cloud Technologies
Azure
Kubernetes
Helm operation
Kibana/Devo
API management
Project Management
SDLC
Agile/Scrum
Jira
Continuous Development
Continuous Integration
Java/J2EE
Junit
Spring
Spring boot
Web services
REST
Struts
Databases
Redis
PostgreSQL
MongoDB/NoSQL
MySQL
Oracle
PL/SQL
Linux
XSLT transformation expertise
Hibernate
Certification
SAFe6 Agilist, 2024
Professional Career
- Cognizant Technology Solutions, Hong Kong SAR, 04/2022, Senior Architect
- Cognizant Technology Solutions, India, 09/2016, 03/2022, Senior Architect
- Mphasis, India, 08/2010, 08/2016, Technical Architect
- HP, Australia, 10/2012, 08/2014, Technical Architect
- Verizon Data Services India (Pvt Ltd), India, 07/2009, 06/2009, Technical Lead
- Wipro Technologies, India, 02/2005, 07/2009, Project Leader
- HTC Global Services(India) Private Limited, India, 06/2002, 01/2005, Programmer Analyst
Work Status
Permanent Worker, F107967(7), 03/19/2027
Global Work Exposure
- India, 15+ Years
- Malaysia, 2 Months
- UK, 2 Months
- Spain, 6 Months
- Australia, 22 Months
- Hong Kong, 38 Months (04/2022)
Personal Information
- Age: 47 Years
- Date of Birth: 06/01/78
- Gender: Male
- Marital Status: Married
Timeline
The Open Group Certified: TOGAF® Enterprise Architecture Practitioner
06-2025
Cloud Architect & Regional Technical Manager
Cognizant Technology Solutions
09.2022 - Current
Platform Engineer/Architect
Cognizant Technology Solutions
01.2021 - 03.2022
Migration Architect
Cognizant Technology Solutions
10.2020 - 08.2022
Architect (Individual Contributor)
Cognizant Technology Solutions
12.2016 - 09.2020
Release Lead / Technical Architect
Mphasis Australia and HP
10.2012 - 08.2016
Technical / Solution / Project Lead
Mphasis an HP Company
09.2010 - 09.2012
Technical Lead / Scrum Master
Verizon Data Services India (Pvt Ltd)
07.2009 - 08.2010
Project Leader
Wipro Technologies
02.2005 - 06.2009
Programmer Analyst
HTC Global Services(India) Private Limited
06.2002 - 01.2005
Bachelor of Engineering -
ACCET, Madurai Kamaraj University