Ajay Eyunni
San Jose,CA
Summary
Highly experienced professional with over 15 years of technical expertise, seeking new opportunities in the field of engineering with experience in areas of various Java/J2EE technologies, project execution, software design and development, technical architecture/analysis, and team management.
Overview
23
23
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Wal-Mart Associates, Inc
10.2020 - Current
- Provide a complete payment lifecycle management solution that caters to Walmart's physical POS clients as well as Ecommerce and omnichannel consumers
- Build scalable and high performing services that will support a wide variety of tender types such as Credit/Debit cards, Gift cards, EBT, eWIC, Phone cards, PayPal, Chase pay etc
- Design and develop a new business solution implementation by building relationships and partnerships with key stakeholders, identifying the business needs, conducting thorough analysis, monitor progress and results, recognize and capitalize on improvement opportunities
- Demonstrate all up-to-date expertise and apply these to the development, execution, and improvement of action plans by providing advice and guidance to others in the application
- Expertise with cloud native technology and support payments application migration from Tekton PCI environment to GCP public cloud with microservice architecture under pci and non-pci compliance
- Provide support and solutions for microservice application responsiveness and robustness like circuitbreaker, ratelimiter, canary deployment, mega cache etc
- Utilize Spanner DB to store data in a clustered relational database in Google Cloud platform
- Provide support to Walmart internal consumers by sharing the required payments order data through Kafka
- Leverage Walmart Cloud Native Platform (WCNP) to support cloud native environment with Kubernetes (K8) used for container manage platform
- Support CI/CD pipeline for continuous deployment and integration into distributed environments in WCNP platform
- Create Medusa, Dynatrace and Splunk dashboards and alerts to monitor the performance of the application
- Troubleshoot production issues by gathering information; support in production deployment; perform root cause analysis to reduce future issues
- Use Karate API framework to perform test automation using BDD (Behavior Driven Development)
- Provide a complete payment lifecycle management solution that caters to Walmart's physical POS clients as well as Ecommerce and omnichannel consumers
Programmer Analyst / Senior Software Engineer
Caspex Corp
05.2018 - 10.2020
- Own the code from design through implementation and support
- Ensure product readiness by working with product owners and developers to define, design and support implementation
- Create and recommend solution design option factoring in requirements, standards and current infrastructure environment
- Communicate and present solutions spanning multiple infrastructure technologies
- Demonstrates up-to-date expertise in Software Engineering and applies this to the development, execution and improvement of action plans
Technology Specialist
NIIT-TECHNOLOGY
03.2011 - 05.2018
- Create and recommend solution design options factoring in requirements, standards and current Infrastructure environment
- Participate in managing code and configuration for multiple environment configuration and control; code integrity and work closely with the team
- Ensure product readiness by working with product owners and developers to define, design and support implementations
- Communicate and present solutions to other stakeholders
- Analyzing business requirement, story-board and similar artifacts of the scrum process, work in agile development environment with a quick turnaround time and iterative builds
- Develop user focused solutions spanning multiple Infrastructure technologies
- Hands on development on building n-tier applications using RESTful services, Oracle and related technologies
- Provide guidance and mentorship
- Ability to use version control software such as GIT and SVN
- Used SOAPUI, Postman to test API services
- Implemented 'Memcached' in application to improve dynamic database-driven websites by caching data and objects in RAM to reduce number of hits to database on same type of queries
- In REST applications, implemented a NoSQL database like MongoDB, CouchDB, Riak that helps to retrieve data in other means than table
- Implemented Java Messaging Service (JMS) with Public/Subscribe messaging domain to route message content to targeted services
- Migrated to Apache Kafka considering fault-tolerance mechanism and no loss of message
- Developed all applications using Spring framework
- Developed API specification documentation using Swagger UI framework
- Implemented Log4j API framework for logging Java applications
Analyst (Senior Software Engineer)
VERIZON DATA SERVICES PVT. LTD.
11.2006 - 03.2011
- Develop software applications based on requirements, systems flow and data usage
- Extensive knowledge on object-oriented programming to develop reusable code
- Demonstrate application design solutions through documentation, flow charts, layouts and diagrams
- Design, develop and implement unit and scenario test cases for existing code and functionality under development
- Experience with Scrum/Agile development methodologies
- Ability to use version control software such as SVN
- Support and mentor the team in code enhancement and resolving bugs
- Deep understanding and development of distributed data model
- Implement API designs using web service protocols such as REST and SOAP services for extensibility and portability
- Provide crucial support in resolving production bugs
- Used tools like SOAPUI, Postman to test API services
- ETL tool like IBM DataStage used for extraction, translation and loading of large amount of data from source (like cvs) to target (like DB)
- Analysis of customer experience in ServiceAssurance and IRepairs applications reported using OracleBI dashboard
- Manage coding standards through Sonar
- Designed application components using Java Collections API and provided concurrent database access through multithreading concepts
- JFreeCharts used to display interactive reports on Performance Management theme
- Developed all the application using Struts framework
- Achievement: Received award for excellent contribution at work
Programmer
INSTITUTE OF CHARTERED FINANCIAL ANALYSTS OF INDIA
07.2002 - 08.2004
- Develop an intranet application to generate reports for the end-users with complete statistics on leaves applied by employee
- Automate entire process of leave rules for the organization by developing Leave Management System application
- Develop a java application on Management of Coursework Inventory
- Understand the application design and implement code with proper test cases
- Emphasize on efficient coding and resolving bugs as per schedule
- Developed all the application using Struts framework
Education
M.S. - Advanced Software Technology
International Institute of Information Technology
Pune, Maharashtra01.2006
B.E. - Computer Science and Engineering
Madurai Kamaraj University
Madurai, Tamil Nadu01.2000
Skills
- Software solution building
- Design and development
- Cybersecurity analysis
- Solutions deployment
- Technological integration
- System improvements
- Database design
- Performance improvements
- Configuration management
- Software development lifecycle
- Client requirements
- Technical analysis
- Project leadership
- Dashboard creation
Certification
- Sun Certified Programmer, CX-310-035
- Certified Scrum Master, 000390642
Timeline
Senior Software Engineer
Wal-Mart Associates, Inc
10.2020 - Current
Programmer Analyst / Senior Software Engineer
Caspex Corp
05.2018 - 10.2020
Technology Specialist
NIIT-TECHNOLOGY
03.2011 - 05.2018
Analyst (Senior Software Engineer)
VERIZON DATA SERVICES PVT. LTD.
11.2006 - 03.2011
Programmer
INSTITUTE OF CHARTERED FINANCIAL ANALYSTS OF INDIA
07.2002 - 08.2004
B.E. - Computer Science and Engineering
Madurai Kamaraj University
- Sun Certified Programmer, CX-310-035
- Certified Scrum Master, 000390642
M.S. - Advanced Software Technology
International Institute of Information Technology
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