SelvaVinayagam KaliyaMoorthi
Atlanta,GA
Summary
Accomplished Technical Architect offering three years' experience in comprehensive design and development of infrastructure and architecture for software projects. Attentive collaborator and communicator from project conception to completion. Creative in devising solutions to improve business operations and meet clients' technical needs. Seasoned team leader possessing the technical and interpersonal skills to provide exceptional project deliverables.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Technical Architect
Tcs Client: Delta Air Lines, Inc
11.2021 - Current
- Part of Delta’s ZULU program, aimed at transforming legacy payment systems into secure, scalable, and cloud-native solutions using AWS and serverless architecture.
- Designed and developed an ETL Lambda function for the NDC Settlement module, leveraging an event-driven, fan-out and serverless architecture with an active-passive design pattern to ensure high availability and fault tolerance.
- Architected and authored CloudFormation Templates (CFTs) in YAML format to automate the deployment of AWS resources through CFT stacks.
- Developed and integrated Extract Lambda function to perform CRUD operations on the billing table stored in Amazon Aurora DB, enabling real-time data processing.
- Implemented OAuth-based authentication to securely invoke internal Lambda functions.
- Created and managed GitLab repositories for NDC-related services, enabling structured version control and collaboration.
- Provisioned client IDs and secrets to onboard new Lambda functions securely into Delta’s ecosystem.
- Built GitLab CI/CD pipelines to automate build and deployment processes for both application and infrastructure components.
- Developed pre- and post-infrastructure pipelines to manage lifecycle operations of AWS resources used in the NDC settlement process.
- Configured CloudWatch alert throttling to minimize alert fatigue and integrated with PagerDuty for real-time incident notification and escalation.
- Modernized legacy applications into a cloud-native environment using AWS services and microservices architecture, significantly improving system reliability, scalability, and maintainability across Delta’s enterprise payment systems.
- Developed scalable cloud solutions to enhance application performance and reliability.
- Implemented CI/CD pipelines using AWS services to streamline deployment processes.
Team Leader
Atos Syntel Client: FedEx
11.2016 - 11.2021
- During my tenure, I had been a part of various FedEx’s opco (Operating Companies) FedEx Express, FedEx Ground, FedEx Services. They are call it as XopCo.
- I was being a part of Mainframe Retirement and then Data Center to Hybrid PCF Squad.
- Responsible for developing highly available, reliable Rest APIs using Java, Spring-Boot to replace mainframe resources.
- Implemented ‘Rule Engine to apply discounts’ to FedEx’s valuable customer for their in-need services.
- Implemented ‘Electronic Pricing Revenue System’. It’s an enhancement project meant for leveraging business functionality to give the discounts at Zone level for all Domestic and International regions.Created Jenkins pipeline in Groovy scripts for each apps and implemented in all the projects
- Developed MQ Subscriber with durable consumer which consume Byte-Message from upstream app.
- JDK Upgrade from 1.6 to 1.8. Oracle upgrade from 11 to 19c.
- Deploy, manage, and operate scalable, highly available, and fault-tolerant systems.
- Onsite-offshore coordination, leading the team and ensuing on time delivery with quality
- Led development of scalable Java applications to enhance package tracking systems.
- Mentored junior developers, fostering skills in Java programming and best practices.
- Implemented microservices architecture, improving system responsiveness and maintainability.
- Incorporated continuous integration tools such as Jenkins or GitLab CI/CD pipelines for streamlined code deployment and version control management.
- Led cross-functional teams to enhance workflow efficiency and achieve project objectives.
- Developed training programs to improve team performance and foster professional growth.
Associate Programmer
Cognizant Client: Walmart
03.2012 - 09.2016
- This is a robotic module meant to find the best fit Cartonization for each and individual ordered items.
- Before starts development, did POC with Apache Camel Framework. Developed Restful Web Service with Camel EIP to bridge various endpoints. Deployed Camel components in Service-Mix.
- Developed SQL queries for CRUD operation. Designing - creating design documents, UML diagrams. Perform coding and unit testing. Perform manual & automated code reviews and monitoring the code quality
- End to end integration testing. Post prod warranty support for three months.
- Collaborated with cross-functional teams to identify and resolve software-related issues efficiently.
- Developed and maintained software applications to streamline inventory management processes.
Programmer
SRM Technologies Client: Hoya, Japan
01.2010 - 02.2012
- Responsible for requirements gathering, Conceptual Design, Analysis, Detail Design, Development, System Testing, User Acceptance Testing, Data Validation, Version Controlling and deployment.
- Designed and developed application using Spring Context, Spring MVC, Servlet and JSP.
- Used JPA for data CURD operation. Developed the presentation layer using Java Server Pages, and Java Script.
- Created and maintained mapping files and transaction control in Hibernate.
- Configured web.xml, faces-config.xml for navigations and managed beans. Integrated Spring and Hibernate Frameworks.
- Designed and developed Web Services to provide services to the various clients using SOAP and WSDL. Wrote Junit classes for the services and prepared documentation to demo.
- Developed and maintained software applications to enhance operational efficiency.
- Collaborated with cross-functional teams to identify and implement process improvements.
- Reduced system downtime by proactively identifying and resolving software bugs, ensuring consistent availability of services.
- Coordinated with stakeholders to refine product vision, translating business objectives into actionable development plans.
Project Trainee
Central Power Research Institute
02.2008 - 12.2009
- This project has various sub-modules for front and Back-end, meant for security service and authenticated the Visitors details from biometric devices at various CPRI stations located at different geolocations.
- Worked with business and stakeholders to understand existing ledger directory.
- Implemented prototypes with all the Visitor stations and written sudo-code for Admin and Visitor module.
- Implemented Challenge screen for Authentication and Authorization for developed application using JAVA1.5, Servlet, JSP, HTML, CSS. Implemented ANT script to build the binary and deploy into Tomcat server.
- Led project teams in developing and implementing innovative solutions to enhance operational efficiency.
- Coordinated cross-functional collaboration among stakeholders to ensure alignment on project objectives.
Education
Bachelor of Engineering - Computer Science And Engineering
Anna University
01.2007
Diploma - Information Technology
Technical Board of Education
01.2004
Skills
- Languages & Frameworks: Java (JDK 8/11/21), Spring Boot, Quarks, JSP, Servlets
- Beginner Level: Python, AI&ML
- Cloud & DevOps: AWS Managed services like(IAM, Cognito, Lambda, S3, SNS, SQS, Security services, etc), Jenkins, GitLab, Maven, Gradle, CICD pipeline, Red Hat OpenShift Service on AWS (ROSA) to manage and operate Kubernetes clusters for scalable microservices deployment
- Security & Auth: OAuth 20, JWT, X509 certs, AWS security services
- Web & APIs: REST, SOAP, HTML, CSS, JavaScript, Swagger
- Databases: Oracle 19c, DynamoDB, MongoDB, MySQL
- Tools & Platforms: Kubernetes, Tomcat, WebSphere, WebLogic, Splunk, SonarQube
- Testing: JUnit, Mockito, JaCoCo for code coverage
- Client engagement
- Communicating with clients
Certification
AWS cloud practitioner
Languages
English
Awards
AWS Certified - aws cloud practitioner -2022, Aviation Hackathon Nominee – TCS (2023–24), Agile Values Adaptive – Atos Syntel (2020–21), Hackathon Winner – Atos Syntel (2018–19), Extra Mile Award – Cognizant (2013–14)
Timeline
Technical Architect
Tcs Client: Delta Air Lines, Inc
11.2021 - Current
Team Leader
Atos Syntel Client: FedEx
11.2016 - 11.2021
Associate Programmer
Cognizant Client: Walmart
03.2012 - 09.2016
Programmer
SRM Technologies Client: Hoya, Japan
01.2010 - 02.2012
Project Trainee
Central Power Research Institute
02.2008 - 12.2009
Bachelor of Engineering - Computer Science And Engineering
Anna University
Diploma - Information Technology
Technical Board of Education
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