Esakkirajan Arumugam
Irving,TX
Summary
Technical Lead Developer with extensive experience at Cognizant Technology Solutions, specializing in scalable API design and microservices architecture. Demonstrated success in enhancing system integration and performance through innovative solutions. Expertise in Java and mentoring teams to ensure adherence to best practices while delivering high-quality results.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Technical Lead Developer
Cognizant Technology Solutions
Irving, USA
09.2024 - Current
- Executed design and implementation of Customer Graph, unifying customer data across various systems.
- Constructed scalable REST APIs for integration with digital, retail, and care platforms.
- Implemented Kafka-driven ingestion workflows for immediate data processing capabilities.
- Orchestrated migration of datasets from Cassandra to AWS Keyspaces leveraging AWS Glue functionalities.
- Utilized Oracle GoldenGate for efficient near real-time data replication between systems.
- Offered technical leadership through code reviews and architectural guidance to development teams.
Technical Lead Developer
Cognizant Technology Solutions
Richardson, USA
01.2023 - 08.2024
- Led design and implementation of scalable APIs for CSS UI and batch migration workflows, achieving seamless system integration.
- Created comprehensive architecture and design documents to meet business requirements.
- Interpreted functional requirements into actionable technical specifications, overseeing backend and UI development.
- Exercised technical leadership through mentorship, rigorous code reviews, and adherence to best practices.
- Coordinated with stakeholders to boost solution adoption, enhance performance, and ensure compliance.
Solution Architect
Cognizant Technology Solutions
Denver, USA
01.2022 - 12.2022
- Developed composite APIs supporting Pearson's Cardinal integration with the Revel platform.
- Designed scalable microservices enhancing analytics dashboards, learner profiles, and engagement reporting.
- Collaborated with cross-functional teams to ensure high-quality solutions and timely deliveries.
- Provided architectural leadership through periodic code reviews, maintaining engineering standards.
Technical Lead
Cognizant Technology Solutions
08.2020 - 12.2021
- Developed student recommendation engine, tailoring learning objectives to individual needs.
- Engineered efficient event-driven architecture for processing Course, Assignment, and Result messages.
- Created scalable APIs and autonomous components to facilitate recommendation delivery.
- Provided mentorship to developers, reinforcing adherence to architectural guidelines and quality expectations.
Technical Lead
Cognizant Technology Solutions
08.2019 - 08.2020
- Designed centralized content store and APIs for analytics and adaptive features.
- Implemented GraphQL endpoints and reusable schemas to facilitate content exchange.
- Collaborated with cross-functional teams to ensure successful integration, testing, and delivery.
Module Lead
Cognizant Technology Solutions
08.2016 - 08.2019
- Built interactive modules for creating titles, objectives, and metadata for books.
- Designed scalable APIs and message processing components.
- Conducted code reviews, design discussions, and backlog grooming sessions.
Senior Developer
Cognizant Technology Solutions
08.2015 - 08.2016
- Redesigned order management system to separate order capture from fulfillment processes.
- Developed and tested modules for supporting multi-channel order management.
Senior Developer
Cognizant Technology Solutions
08.2013 - 08.2015
- Developed applications for tracking merchandise containers while assessing team performance.
- Refined reporting solutions to boost efficiency monitoring in distribution centers.
Developer
Zylog Systems Limited
04.2011 - 06.2013
- Migrated legacy PowerBuilder application to Oracle ADF web-based solution.
- Developed dynamic tab functionality and print modules to enhance user experience.
- Created extension tools to improve system capabilities.
Developer
Frontier Business Solutions
06.2009 - 05.2011
- Developed enterprise modules for stock management, inventory control, purchasing, and CRM systems.
- Implemented Struts-based web services to enhance transaction handling with integrated EJB components.
Education
Bachelor of Engineering - Computer Science
SCAD College of Engineering
01-2009
Skills
- Java programming language
- GraphQL querying
- SQL database management
- HTML markup language
- JavaScript scripting
- React library
- Spring framework
- Spring Boot application
- Hibernate ORM
- Kafka messaging system
- JUnit testing framework
- RESTful API design
- Struts architecture
- AWS Keyspaces (Cassandra) integration
- PostgreSQL database administration
- Aurora (MySQL) optimization
- MongoDB document storage
- Oracle database solutions
- Neptune graph database
- Snowflake data warehousing
- AWS services suite (ECS, EKS, Lambda, Glue, Step Functions, S3, CloudFormation, CloudWatch, SNS, Secrets Manager)
- Jenkins CI/CD pipelines
- GitHub version control
- GitLab CI/CD automation
- Docker containerization
- Kubernetes deployment
- SonarQube code quality
- UrbanCode Deploy orchestration
- IntelliJ IDEA development environment
- Eclipse software development kit
- STS Spring Tool Suite
- Postman API client
- Putty SSH client
- Dynatrace performance monitoring
- New Relic application performance management Agile project management (Scrum, Kanban) Waterfall project planning
Certification
- Artificial Intelligence (edX - Columbia University)
- Machine Learning (edX - Columbia University)
Timeline
Technical Lead Developer
Cognizant Technology Solutions
09.2024 - Current
Technical Lead Developer
Cognizant Technology Solutions
01.2023 - 08.2024
Solution Architect
Cognizant Technology Solutions
01.2022 - 12.2022
Technical Lead
Cognizant Technology Solutions
08.2020 - 12.2021
Technical Lead
Cognizant Technology Solutions
08.2019 - 08.2020
Module Lead
Cognizant Technology Solutions
08.2016 - 08.2019
Senior Developer
Cognizant Technology Solutions
08.2015 - 08.2016
Senior Developer
Cognizant Technology Solutions
08.2013 - 08.2015
Developer
Zylog Systems Limited
04.2011 - 06.2013
Developer
Frontier Business Solutions
06.2009 - 05.2011
Bachelor of Engineering - Computer Science
SCAD College of Engineering