Vamsi Krishnan N V
Developer
Vellore,TAMIL NADU
Overview
1
1
Language
3
3
years of professional experience
Work History
Sr. Java Full Stack Developer/Architect
- CitiADR is Citi Mainframe System for the American Depository Receipts that trade in OTC market
- Rewrite of this 40-year old system using latest Java and Dot Net applications
- Developed several Java APIs with SAML and OAuth authentications
- Working on UI application upgrades using Angular UI
- Designed and developed Microservices backend application using Doctor, Kubernetes under OpenShift Environment, Infrastructure automation is done using Terraform
- Technologies: Java, J2EE, C++, Kafka, Team City, uDeploy, Jenkins, Autosys, Bitbucket, Sonar Cube, JIRA & Agile process - cloud, Service Now, Rule Engine (Drools, Informatica and Data stage), Postgres DB, Tableau, Python, Doctor, Kubernetes, SonarQube, Confluence, Spring, SSO (SAML), Spring Boot and Microservices, OpenShift Environment and Terraform, Docker, Kubernetes, Angular UI, Ruby/Python
- Industry: Financial Services
Sr, Stack Developer
- Years
- Responsibilities/Deliverables:
- MSF is BNY Mellon security master system runs in App Engine Cloud environment maintains all the security information worldwide
- Convertion and enhancement of Ruby/Python microservices to Java microservice using spring boot, Docker, Kubernetes, App Engine, S3
- Developed angular front end for maintenance screen
- Developed C++/Java APIs for external customers
- Developed AWS Lambda to process/store the Security data from Bloomberg/Yahoo finance into Oracle DB
- The data is following from Kafka from Various vendor
- Ported Microservices from App Engine to AWS, Doctor, Kubernetes
- Technologies: Apennine, AWS/AWS Lambda, Docker, Kubernetes, Angular UI, Ruby/Python, Java/C++, Flux, J2EE, Kafka, Team City, uDeploy, Jenkins, Autosys, Bitbucket, Sonar Cube, JIRA & Agile process - cloud, Service Now, Rule Engine (Drools, Informatica and Data stage), Postgres DB, Tableau, Python, Doctor, Kubernetes, SonarQube, Confluence, Spring, Spring Boot and Microservices, OpenShift Environment and Terraform
Sr. Staff Software Lead
IT Services
Tampa, FL
- On dot is a financial technology (fintech) company provides more than 4500 banks and credit unions with a digital card services platform that drives cardholder engagement
- Cloud-based Card App solution empowers cardholders to control their card payments from a mobile application
- Self- service functions give them total control over when, where and how their cards are used
- POD owner of US On Prem Common Connectors & Partner Solution responsible for end-to-end solution deliverables and implementation
- Designed and developed AWS Lambda based on IBC/CSFI (CSFI is transaction processing partner) registration, provisioning and billing connector interface to validate card number, CVV & Exp date and respond with Date of birth, last 4 digits of SSN, Email based OTP
- Played as scrum master role in managing development team to implement IBC branded Card
- Control Standalone mobile app to perform ‘Self registration’ of their cards
- Technologies: Linux, Oracle 12.2, Java/C++, J2EE, Docker, Kubernetes Jboss, Junit, Spring, Struts, hibernate, micro services using Spring Boot, JMS, MQ Series, stored procedures, triggers, UNIX Shell Scripts, AWK, PERL, SQL developer, SonarQube, Bitbucket, MS SQL 18.2, Mongo DB 4.2 & Robo 3T 1.4, Compass Mongo DB, Doctor, Kubernetes, Agile process
Principal Software Engineer
Financial Services
Tampa, FL
- Worked on position calculation using Gem fire, data quality using informatica and AWS cloud environment
- Involved heavily in design, development and implementation of core and web-based Java applications to support all business areas and associated acceptance criteria
- Followed approved agile methodologies in the design and development efforts for the agile team
- Responsible for product selection (Gem fire/Informatica) using POC and business needs
- Designed / developed systems from ground up both using cloud and non-cloud environment
- Full stack experience in business requirement gathering & analysis, application design & integration, development, testing and release administration to DIT, UAT and Prod
- Identified and hired suitable professionals to setup high performing teams in India, Manila and different USA locations
- Experienced in developing microservices using C++, Spring Boot, Spring Data, Spring Security, Spring Cloud, Hibernate, JPA, Docker and Kubernetes
- Developed many components using Gem fire/Informatica products for various different projects in DTCC
- Expert in scrum master role for my data integrity portal project
- Conducted daily calls / sprint calls across multiple teams including offshore in India and Manilla and onsite in Tampa, Dallas, Boston, New York and New Jersey teams
- Heavily used scrum agile processes/practices and kanban board to have smooth production release every month
- Web frameworks: Spring MVC and/or JSF; Web Services Development
- Industry standard Business Intelligence tools and/or at least one of the Java based Business Rules Management Systems
- Agile software development
- Exposure to Open Source technologies
- Technologies: AWS, AIX, Data Stage, Oracle 11g, DB2, AQT, Oracle AQs, Java/C++, J2EE, MDB, IBM web sphere, RAD, Wiley/Tivoli, Junit, Docker, Kubernetes, Spring, Struts, hibernate, micro services using Spring Boot, JMS, MQ Series, stored procedures, triggers, UNIX Shell Scripts, AWK, PERL, Toad, Gem fire, Informatica, Bitbucket, Agile process
Sr. Project Lead/Architect
Financial Services
Peterburg, FL
05.2021 - Current
- IVR/Speech Recognition applications: Check Authorization, Check / Card Customer service, Check / Card Pay by phone, Bill Pointe, 7Eleven VCOM Pin Reset, Card Activation, Scorecard and Card Pin Reset were developed using Avaya IR and Nuance OSR / TTS technologies
- Responsible for business requirement gathering & analysis, application design & integration, development, testing and release administration to DIT, UAT and Prod
- Created: J2EE program to create VXML data stream which will be processed by Avaya IR Voice browser
- J2EE VUI application to interact with Nuance OSDM applications
- Java/C++ Web service to interact with many back ends like AS400, Oracle, Socket / XML interface, Mainframe to collect necessary data for Voice application
- Responsible for Hardware configuration, Application Tuning using OSI, Stress test, Monitoring servers, Call routing in case of application failure
Lead Analyst/Developer
IT Services
Tampa, FL
- Worked on GAP Analysis to determine and document a specific business and technical approach for implementing Workflows for TN aging for HIPC (Hosted VoIP Communications), Activate TN, porting in/out of TN into Soft Switch
- Played a key role in setting up JAD sessions for analyzing business requirements and responsible for coding modules in Java that drives the framework
- Handled data manipulation in C++/ XML / Java
- Interacted and coordinated work with multiple team members as well as other teams to ensure successful completion of the project
- XSL / XSLT / XPath translations for presentation on the MVC pattern
- Deployed web pages on IBM WebSphere / Apache Tomcat servers
- Responsible for business requirement gathering & analysis, application design & integration, development, testing and release administration to DIT, UAT and Prod.
Education
Master of Engineering - Electronics
Anna University (Gold
01.1996
Bachelor of Engineering - Electronics & Communication
Madurai Kamaraj University
01.1994
Skills
- Venkatesan Dharmarajan
- Sr Java Full Stack Developer/ArchitectPlano, TX
- Profile
- Sr Java Full Stack Developer/Architect with 15 years of IT experience in Analysis, Design, Development and production support of WEB applications using Java, Struts, MVC, Tiles, Java Beans, Oracle/SQL, Exception Handling, Event Handling, Multi-threading with Financial, Industrial and E-Commerce experience
- Worked extensively in the production support of Java, C, C, VC, Pro
- C/C, J2EE, JSP, Servlets, EJB, XML, VXML, Web logic/Web sphere, PL/SQL, UNIX Shell Scripts, VB, Oracle and Sybase
- Experienced in developing applications using microservice architecture and in developing microservices using Spring Boot, Spring Data, Spring Security, Spring Cloud, Hibernate, JPA, and Docker
- IBM WebSphere, BEA WebLogic, Tomcat
- Financial Transaction processing and specialist in user/batch financial Interfaces
- J2EE Technologies EJB 20, Servlets 24, JSP 12, JMS, RMI
- Worked in various Domains: IVR, Finance, Telecommunications & wireless, Pharmaceutical, Health Insurance, HIPAA, e-Business, Stock Exchange, and Image Processing
- Designed many projects using OOD and UML for rapid development and easy maintenance and excellent in Visual C, Visual Basic, GUI and Event driven programming
- Developed and Monitored Nightly Batch Jobs using AUTOSYS and UNIX CRON utility, UNIX Shell Script and PERL Scripts Excellent in Perl, Shell programming in UNIX environment
- Wrote several PRO
- C/C programs, Report codes, PL/SQL triggers, Packages, Functions, Procedures at back end and played a key role in Integration testing, System testing, QA testing, Customer testing, Code administration & sign offs of projects
- Solved numerous application and database issues and excellent in project technical and business documentation while working in production support
- Worked for CMM Level 5 and six sigma and good understating Quality standards and procedures
- Managed outsourced efforts, offshore/onshore project coordination, GAP Analysis, requirement gathering & analysis, application design & integration, development and testing
- Involved in on-the-job training/mentoring other team members
- Setting up JAD sessions for analyzing business requirements
- Worked with major clients like Ondot systems, DTCC, Fidelity, Certegy, Verizon, Merck & Co, Inc, Independence Blue Cross, GE Power Systems, Hitachi Software Ltd, Japan for Tokyo Stock Exchange, Swisscom, Bern, Switzerland, Tata Consultancy Services and played in important role in high sensitivity and mission critical projects
- Conducted design and review sessions with clients, consulting staff, vendors and management Followed design, coding and development client standards and implemented design and code review procedures throughout the project lifecycle
- Technical
- Hardware:
- Pentium, Hitachi 3050RX, sparc SUNW, Ultra-60 and Sun-Fire-V240
- Operating Systems: Sun Solaris, HP-Unix, Hitachi-Unix, Linux, AIX, Windows XP
- Software/Tools: C, C, PRO
- C/C, UML, Rogue wave Library, VB, VC, PL/SQL (Oracle packages, stored procedures, functions, triggers), Java, J2EE (JSP, Servlets, EJB), Java Swing, XML, JDK, JDBC, Java Beans, RMI, Java Web Server, Web sphere, BEA Web logic, Tomcat, ODBC, MFC, VBA, SDK Win 32 programming, TCP/IP, Socket programming, Multiple Threading, Orbix 23
- Scripting Languages: Unix Shell, VBScript, JavaScript, AWK, SED, PERL, CGI, HTML, XML
- Architectures: Client Server Architecture, Component Architectures (Microsoft's COM, Distributed COM, CORBA)
- Databases: Oracle 11g, DB2, Sybase, Hitachi-RDB (similar to Oracle)
- GUI: Visual Basic, Visual C, Visual J, Visual Studio
- Special Tools: SQL Loader, Informatica, Data Stage, Visual Source Safe, PVCS, CVS, Rational Clear case, Rational Clear quest, MKS, TOAD, AQT, Golden, Visio Technical, hibernate, spring, AUTOSYS
- Wrote IVR Report codes, triggers, Packages, Functions, Procedures at back end
- Technologies: Sun Solaris/Linux/AIX, Sybase, AWS/AWS Lambda, Oracle 10g, PL/SQL, Java, C, J2EE (JSP, Servlets, EJB, Web services), PCF, AWS, IBM web sphere, Site scope, Wiley/Tivoli, Junit, Spring, Hibernate, MDB, Struts, JMS, MQ Series, PL/SQL (packages, stored procedures, triggers), UNIX Shell Scripts, Korn Shell, AWK, PERL MKS, Toad, Putty
- Technologies:
- Sun Solaris/Linux, Informatica, Sybase, Oracle 8i/9i, PL/SQL, Java, C, J2EE (JSP, Servlets, EJB, JNDI), Sun Web server, Junit, Struts, spring, hibernate, PL/SQL (packages, stored procedures, triggers), UNIX Shell Scripts, Korn Shell, AWK, PERL CVS, DB Visualizer, Toad, Putty
- Industry: Pharmaceutical Manufacturing- Lansdale, PA
- Role: Lead Developer Duration: 16 months
- Responsibilities/Deliverables:
- OMS, Merck Order Management system (C/Java) which maintains all Accounts Receivable information, Invoices, credit card payments, aging information, Pharmacy application enhancement and development, the Order Fulfillment Center’s (OFC) etc
- Technologies: Sun Solaris, Oracle 8i/9i, Informatica, PL/SQL, Java, C, J2EE (JSP, Servlets, EJB), IBM WebSphere, Junit, Struts, PL/SQL (packages, stored procedures, triggers), UNIX Shell Scripts, Korn Shell, AWK, PERL Autosys, Rational Clear Quest 51, Rational Clear Case 2002, Documentum, Toad, Putty
- Consultant’s Profile
- Page 2 of 2
Additional Information
- Citizenship: Mobility: , Willing to travel
Timeline
Sr. Project Lead/Architect
Financial Services
05.2021 - Current
Master of Engineering - Electronics
Anna University (Gold
Bachelor of Engineering - Electronics & Communication
Madurai Kamaraj University
Sr. Java Full Stack Developer/Architect
Sr, Stack Developer
Sr. Staff Software Lead
IT Services
Principal Software Engineer
Financial Services
Lead Analyst/Developer
IT Services
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