SUMMARY

• Resilient Software Developer with 6 years of experience in design, development, testing and delivering highly scalable business solutions while maintaining quality and ensuring responsiveness of applications
• Experience in design, development and implementation of software applications using Java, J2EE technologies and strong skills in Object Oriented Programming Concepts.
• Proficient in Web Services design and implementation with SOAP, REST, WSDL, Service Oriented Architecture (SOA).
• Experience in using spring, spring boot and Hibernate framework (MVC) for various Web based application development.
• Thorough working knowledge in application development using JSP, HTML, JavaScript, Servlets, JDBC, JMS, IBM MQ, CSS, XML, XSL/XSLT, React JS.
• Experience in writing python scripts for monitoring processes on server (JMX attribute checks, JMX query checks and java endpoints) and generating reports for reconciliation data.
• Diverse experience utilizing tools in Microservices architecture applications using Spring Boot, Spring Cloud config, AWS, Restful Web Services.
• Experience with Continuous Integration tools like Jenkins, Chef, Kitchen, GO - CD to develop build and deploy pipelines, actively working on AWS EC2, S3, Route 53, cloud watch and other AWS services
• Experience in databases like MySQL and Oracle with strong knowledge on designing stored procedures, functions, triggers, packages using SQL and PL/SQL with tuning concepts.
• Experience in working on different operating systems like Windows, Mac, Ubuntu and UNIX.
• Having strong knowledge on Elastic Search Kibana, Chef Automation, Active batch admin and Nagios monitoring tools.
• Worked with Logging tools like Log4J, unit testing using JUnit and Mockito and monitoring tools like Wily Dashboard, Kibana, and Splunk.
• Experience in Pair Programming, Test Driven Development and agile methodologies like SCRUM and KANBAN.
• Highly self-motivated with strong analytical, communication and problem-solving skills, excellent team player and ability to deliver under critical situations.

TECHNICAL SKILLS

Programming Languages: C, C++, JAVA, Python, J2EE

Web Services: SOAP, REST, WSDL, AWS, JAX-RPC, JAXB, JAX-WS, Apache CXF

Database: Oracle, MS-Access, MySQL, JDBC, NoSQL

Frame Works: Spring, spring boot, Hibernate, Mockito, and JUnit

Web Technologies: HTML, CSS, JavaScript, Bootstrap, React JS, Servlets, JSP, XML, AJAX, JSON.

Linux Technologies: AWS, Cloud foundry, Red hat Linux, centos.

Automation tools: Selenium, Cucumber, chef automation, GO-CD.

Operating Systems: Windows-XP, Linux (Ubuntu), Mac

Project Management/Software packages: Apache Tomcat, Eclipse, SVN, GIT, Jenkins, Maven, Jira, Putty, SOAP UI, Postman, Bit Bucket, Confluence and Stash.

Monitoring Tools: Active batch, Nagios Core, Kibana, Nagios SQL, Dynatrace, PagerDuty.

PROFESSIONAL EXPERIENCE

JAVA/Application Support

Confidential, Stamford, Connecticut

Responsibilities:

• Worked on developing processes using JAVA/J2EE, Spring boot, Spring MVC, hibernate, JDBC, JSON, HTML, CSS, Java script with backend systems, JMS, IBM Message Queues, and Topics for front office trading systems which can be customized talk to various input sources to publish them to downstream systems.
• Extensively worked on financial Information exchange communication protocols (FIX4.2,4.4,5.0 and 5.1) and involved in onboarding multiple brokers associated with securities transactions and markets.
• Worked on enhancing elastic search Kibana parsing, Logstash (ELK), Nagios monitoring tools and active batch integration to maintain and monitor production system alerts.
• Experience in developing multiple STP trading and electronic platforms for front office systems using JAVA technology integrated with various brokers.
• Supported traders with daily operations such as electronic option market making configuration, volatility fitting, in-house model adjusting, arbitrage conditions assessment, and book optimization.
• Maintain & enhance the existing Market Making Trading platforms and various tools used for daily tasks.
• Expertise inReact JSframework to develop theSPA.
• Experienced inReact JSand working withReact Flux architecture.
• Experienced in working withRedux architectureusing complex Object-Oriented concepts in improving the performance of the websites.
• Worked on migrating the applications to AWS and created cloud formation template to facilitate deployment.
• Worked on deploying elastic load balance and configuration of HTTPS certificates and managed highly scalable systems in AWS.
• Worked on developing python scripts for reconciliation of data between various middleware and backend systems and linked with cron jobs in Linux server on schedule basis.
• Work on CI/CD pipeline jobs and chef cookbooks for automating build, test and delivery artifacts and troubleshoot build issues during build process using Jenkins.
• Worked on L2 and L3 production support and involved in debugging issues at user level and backend systems.

Web service Developer

Confidential, Philadelphia, PA

Responsibilities:

• Experience in developing and consumingnew APIs for integration of xfinity and xfi Applications.
• Created micro service architecture to provide RESTful API utilizing Spring Boot.
• Worked on creating micro service applications from base to handle multiple web service calls for business between systems in domain by consuming and producing the data using SOAP / REST, Spring Boot, Swagger, Zuul, spring data JPA / JDBC.
• Handle DB transactions using Spring data JPA/JDBC. For JPA work on DAO and repositories to handle transactions using CRUD repository.
• Experienced in installation, configuration, usage and management on AWS (Amazon Web Services), Jenkins and GIT for application servers.
• Experience in setting up Amazon EC2 instances, Virtual Private Cloud (VPC), Security groups, Elastic Load Balancers, S3 buckets, using AMIs and monitoring using Cloud Watch.
• Involved in deploying applications to cloud foundry (Staging, integration and production) and knowledge on writing mortal files as well as bash scripts.
• Used Jenkins server to execute scripts on a regular basis by scheduling jobs in test environments.

Java/Web Service Developer

Confidential, Wilmington, DE

Responsibilities:

• Experience in producing and consuming Web Services using WSDL, SOAP, REST, HTTP, and UDDI.
• Designed and coded JAXB API to interact with third party application for asynchronous loading and parsing of JMS XML messages and implemented JAX-WS Web Services using SOAP protocol to expose method to clients.
• Implementedspring batchto take care of the transactions rollout and scheduled the batch through a job to update the customer information.
• Experience in using the Object Relational Mapping tool Hibernate and SQL Mapping framework tool MyBatis, strong in using XML mappings and Java Objects.
• Worked on creating IBM MQ queues and topics on queue manager level to create connection between TSYS and service layer.
• Written unit tests using JUnit for code coverage and used Mockito framework to mock backend service calls. Log4j is adopted for logging mechanism.
• Designed enterprise API’s and involved in developing the API’s. Involved in testing API’s using SoapUI and Postman.

System Administrator

Confidential, Lewisville, TX

Responsibilities:

• Analyzed business requirements and build logical data models that describe all the data and relationships between the data.
• Designed and developed application using HTML, CSS, JavaScript, JSF, Java, Servlets.
• Involved in Database design on MySQL environments and writing DDL Scripts for creating Database objects.
• Created and/or modified SQL Queries whenever required for change requests/enhancements
• Created new database objects likeProcedures, Functions, Packages, Triggers, IndexesandViewsusingT-
• SQLinSQL Server 2000.
• Worked on server-based operating system, kernel configurations on Redhat Linux, Centos, and troubleshooting system and performance issues.
• Involved in package management, installation, configuration and administration of Red hat enterprise linux and physical and virtual machines for versions 5.x and 6.x.
• Worked on file system concepts like LVM, SVM, VxVM, creating new file systems, increasing and decreasing file systems, mounting file systems, unmounting file systems and troubleshooting disk space issues.

System Analyst

Confidential, TX

Responsibilities:

• Involved in develop, analyze, prioritize, and organize requirement specifications, data mapping, diagrams, and flowcharts for developers and testers to follow.
• Maintained proper documentation including UML flow diagrams, project flow and created a documentation in confluence and submitted to clients.
• Involved in deploy, maintain, and troubleshoot core business applications, including application servers, associated hardware, endpoints, and databases.
• Developed and implemented maintenance procedures, monitor systems health, gather system statistics, and troubleshoot reported errors and alarms.