Rajajayan Jayaseelan
Tampa
Summary
Results-driven IT professional with 18 years of experience in designing and implementing object-oriented applications. Expertise in leading cross-functional teams and enhancing product functionality using Agile methodologies and frameworks like ReactJS and Node.js. Skilled in architecting scalable applications with microservices, driving project success through collaboration, and aligning technical deliverables with business objectives.
Overview
18
18
years of professional experience
Work History
System Architect
Verizon
01.2024 - 01.2026
- Airwave SE is a Verizon internal application which is collecting KPI data from multiple sources(Samsung, Ericsson and Nokia) and providing an UI interface to monitor the cell-site KPI values for the specific venue.
- Developing Node JS services to pull data from Samsung and Ericsson.
- Building API an UI to visualize the KPI values during the event.
- Created proof of concepts (POCs) and guided development team to validate solutions and streamline implementation.
- Collaborated with business team and users to gather requirements and feedback, ensuring alignment with project goals.
- Developed features and user stories to streamline development process and enhance product functionality.
Sr.Developer, Module lead and onsite coordinator
Verizon
01.2020 - 01.2024
- Developed data-oriented system, Network Store, for business intelligence data at VBG (Verizon Business Group), processing multiple data feeds and deriving network indicators to create intelligent datasets for Marketing and Sales teams.
- Developed software solutions for telecommunications applications and services.
- Led cross-functional teams to implement system enhancements and upgrades.
- Collaborated with stakeholders to gather requirements and design specifications.
- Collaborated with business team to build UI interface for visualizing data on map, representing fiber paths and site locations.
Sr.Developer, Module lead and onsite coordinator
Verizon
01.2020 - 01.2023
- Designed and implemented data-oriented system for business intelligence at VBG (Verizon Business Group), processing multiple data feeds to derive network indicators and create intelligent datasets for Marketing and Sales teams.
- Developed software applications using Agile methodologies and DevOps practices.
- Collaborated with cross-functional teams to design scalable system architectures.
- Created user interface tailored to business team requirements, enhancing usability and accessibility for team members.
- Mentored junior developers on coding standards and best practices.
Sr.Developer, Module lead and onsite coordinator
Cognizant Technology Solutions
07.2018 - 12.2020
- Broadband Gateway is an existing system, which is a Broadband Assignment, Activation and Inventory management system designed for Verizon. Its user interface is developed using JavaScript and JQuery. BGW-UUI3.0 is a process of technology upgrade, user interface simplification and performance improvement.
- Analyzed and validated requirements, enhancing project clarity and understanding.
- Estimated the implementation of project requirements to facilitate planning.
- Designing or developing POC on new requirement.
- Provided knowledge transfer on design processes and assigned tasks to team members.
- Resolving technical issues and helping the team to deliver on time.
- Building and delivering the unit tested code into the server.
- Developing reusable components and helping other teams to use them.
Sr.Developer and Module lead
EmblemHealth
06.2017 - 07.2018
- EmblemHealth Virtual Agent is an artificial intelligence chat engine system, which will chat with user to get the required information and recognize the user asks and respond back with appropriate information. This application is able to provide the information about claim status, member eligibility and prior-authorization status based on the user request and this application is implemented such that configurable to add and extend to new modules.
- Analyzed and validated requirements to align with project objectives.
- Calculated necessary requirements for implementation to ensure project timelines were met.
- Designed and developed proof of concept for new requirements.
- Facilitated knowledge transfer sessions regarding design and delegated tasks to the offshore team.
- Guided and supported offshore team in task completion.
- Maintaining the Virtual Agent Linux QA and Production server.
- Delivering the QA tested code into production server.
Sr.Developer and Module lead
Conduent
05.2016 - 05.2017
- Conduent Enterprise System consists of the specific functionalities of Medicaid Management Information System (MMIS with integrations to COTS developed into a single 'Enterprise System'. It built on industry standards aligning with MITA (Medicaid Technology Information Architecture) guidelines, and adapting Service Oriented Architecture principles, to enable Conduent client implementations to leverage the benefits of extensibility, manageability using services. The solution uses orchestration phenomenon to externalize the flow of process steps from the implementation of the business logic, which makes the Enterprise System readily customizable from state to state. The solution also would employ an industry-strength rules engine, to enable business users to manage the rule values and to edit or add rules easily.
- Conducted requirement analysis, ensuring alignment with project goals.
- Analyzed blue works documents, validating requirements to support project deliverables.
- Prepared technical design documents for client presentations.
- Estimated implementation requirements to inform project planning and resource allocation.
- Designed POC for new requirements.
- Provided knowledge transfer on design and assigned tasks to team members.
Developer, Sr.Developer and Module lead
Xerox
04.2011 - 04.2016
- MMIS refers to Medicaid Management Information Systems is an integration of computer systems that work together to process Medicaid claims and other pertinent information related to the management of the Medicaid. It used for the processing, collecting, and analysis and reporting of Information needed to support Medicaid.
- Customizing existing 4010 MMIS project into 5010 complaints for New Hampshire.
- Contributed to the migration of 4010 MMIS to 5010 MMIS development process.
- Led team in implementing JSF framework.
- Proposed unified validation technique for portal UI validation.
- Developed unified validation framework for portal UI validation.
- Implemented the validation framework in external claims module.
- Conducted knowledge transfer on the validation framework to other modules and guided implementation in their modules.
- Achieved AOQ award for outstanding performance in project delivery.
- Customizing 5010 NH MMIS project for Alaska.
- Assumed ownership of the 837I module.
- Analyzed requirements and collaborated with SME to clarify and refine specifications.
- Guided team members to complete the module on time as a module lead.
- Implementing new requirements and defect fixing for Alaska State.
- Analyzing the requirements in claims adjudication and Service authorization.
- Implementing the new requirements in claims adjudication and Service authorization.
Team lead
Micro Systems, Nuvas, Bright Marketing Company, UniverSys
04.2010 - 12.2010
- Delegated tasks to team members according to skills and project requirements, optimizing team workflow.
- Conducted analysis of project requirements to ensure clarity and alignment with client expectations.
- Gained insights into business requirements for SOAP to facilitate effective project execution.
- Migrated JSP application to JSF Rich Faces, enhancing features to improve user experience.
- Design and Development process of each module.
- Design and Development of User interface.
- Designing database in MySQL5.
- Developed code and conducted unit testing to ensure functionality and reliability of applications.
Team lead
SystechInfovations Pvt Ltd
03.2008 - 03.2010
- Created web-based application to store and track operations of Systech organization, including service call registration, service call follow-up, payroll processing, sales order generation, sales bill printing, and inventory maintenance.
- Developed web-based application to automate daily operations of Systech organization.
- Delegated tasks to team members based on skills and project requirements.
- Conducted analysis of project requirements to define scope and objectives.
- Understanding Business requirements of SOAP.
- Design and Development process of each module.
- Design and Development of User interface.
- Designing database in MySQL5.
- Developed code and performed unit testing to ensure functionality and reliability.
Education
Master of Computer Application -
Skills
- Microservices architecture
- Spring Boot and Hibernate
- Nodejs and RESTful services
- React and AngularJS
- JUnit testing
- Continuous integration (Jenkins)
- Build automation (Maven)
- Version control (Git, SVN)
- Database management
- Logging frameworks
- MemSQL and geospatial services
- Geospatial analysis
Timeline
System Architect
Verizon
01.2024 - 01.2026
Sr.Developer, Module lead and onsite coordinator
Verizon
01.2020 - 01.2024
Sr.Developer, Module lead and onsite coordinator
Verizon
01.2020 - 01.2023
Sr.Developer, Module lead and onsite coordinator
Cognizant Technology Solutions
07.2018 - 12.2020
Sr.Developer and Module lead
EmblemHealth
06.2017 - 07.2018
Sr.Developer and Module lead
Conduent
05.2016 - 05.2017
Developer, Sr.Developer and Module lead
Xerox
04.2011 - 04.2016
Team lead
Micro Systems, Nuvas, Bright Marketing Company, UniverSys
04.2010 - 12.2010
Team lead
SystechInfovations Pvt Ltd
03.2008 - 03.2010