Rambabu C.

Rambabu C.

Tech lead/ Architect

Minneapolis , United States

Experience: 18 Years

Rambabu

Minneapolis , United States

Tech lead/ Architect

240000 USD / Year

  • Start Date / Notice Period end date: 2020-02-29

18 Years

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About Me

Been working for last 20 yrs with multiple domain experiences and with latest technology stack is one of my selling points

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Skills

Portfolio Projects

Description

  • Analyze and define client’s business strategy and determine system architecture requirements to achieve business goals
  • Collaborated with Business Analysts, Product Managers, Developers, Technical support teams to define project requirements and specifications.
  • Translated Requirements/Use Cases into required design/Architecture with several diagrams by transforming into initial necessary artifacts
  • Design strategies for component development which also sustain future projects
  • Create team strategies and establish project scopes of work. Communicate project deliverable timeframes and benchmarks to clients
  • Introduced Architectural/design/integration solution changes to improve Componentized/Object oriented software development
  • Helped in Design the orchestration of Kubernetes, Docker for supporting Microservice Architecture
  • Use Memory analyzer tools if any Objects have escape references, and any security loops
  • Guiding/mentoring team to implement several design patterns and approaches
  • Creating cross cutting concerns like Logging framework, Exceptional handling etc.
  • Creating several artifacts, so can be used across the teams
  • Designed very decoupled and cohesive components
  • Re-Architecture on existing application into micro service applications
  • Work closely with stake-holder, ops team and provide sufficient input that is needed for applications
  • Drive several automated processes, like Regression test suite, CI
  • Cloud aware Architecture/design/development.
  • Developed several plugins to address cross functional aspects

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Description

Target has various sources to get guest data. Present system is inconsistent and not user friendly. Objective was to make a centralized system for guest data and enable more security points.

  • Lead team to plan, design and implement applications and software
  • Involved in Architecture/design of Micro services so each System can solve several problems in its own context without sacrificing consistency with whole system.
  • Developed several batch jobs which process 140millions of records
  • Made several decisions on choosing software, hardware
  • Made several trade-offs when creating architecture focus on service-level requirements.
  • Lead development team to ensure that the designers and developers build the system according to the architecture
  • Involved in design and development of Continuous Delivery by Jenkins
  • Configured Git with Chef script.
  • Created several Chef scripts as part of DevOps
  • Created open stack environments using heat scripts
  • Used Logstash and Kibana for log process and data visualization
  • Used Spring Boot/Apache Camel/ActiveMQ to develop several business components synch/asynchronously
  • Used Rest API with UnboundID for Identity Management
  • Used DataStax, Spring Data Cassandra repositories to communicate Cassandra.
  • Used AngularJS for UI
  • Worked on several security aspects.
  • Designed an Event Sourcing system in support of Micro services
  • Implemented Kafka

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Description

This project implementation of Workbrain (4.1 and 6.0) for NiSource custom needs, worked creating function document, Tech document, design and development.

  • Involved in complete SDLC of both 4.1 and 6.0 creating rules, new Overrides
  • Worked with PET
  • Implementation and migration
  • Web Services implementation (Rest, CXF) client and server
  • Spring all modules
  • Using several design patterns
  • Deployment process. DB creations

Environment: Websphere8.1, Workbrain 4.1 and 6.0, Oracle 11g, Linux, Spring, Web Services, Junit

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Description

This to create SAAS application with exising weather data so to provide weather data analytics for clients who wants to have information about future weather basing on history etc.

  • Involved in significant decisions about the organization of Software System
  • Designed and implemented an infrastructure that was structured to allow for consistent and repeatable patterns for building components to support business functions
  • Development work included building JMS service listeners and associated Service and Task Handlers with transactional support.
  • Service adapters were written to bridge between existing data and event service implementation to new data structures and functional business/service requirements.
  • Listeners were wired to tomcat, ESB(WSO2) through Spring bean configuration. JPA2.0/Hibernate was used as the Object to Relational mapping for persistence support.
  • Designing and implementing overall process/work flow, building multithreaded components using the Java Concurrent package(s) and assisting the various business areas in defining their entity extraction rules to accommodate Vitria Rule Engine.
  • Process High data volumes with multithreading (100000 events per sec)
  • Working with failover, cluster on AMQ with virtual topics
  • Working on various levels of coding (DAO, Service, Controller)
  • Creating own connection pooling for WSO2(ESB)
  • Working on NIOs,
  • Working with Rest with different message formats (JSON, XML) using Jakson, jaxb, castor, etc.
  • Processing large XML file with 100000 events, which involves custom binders
  • Working with database connection pooling for high concurrency
  • Using Wireshark for monitoring network through put and various network problem
  • Involved in setting up multiple instances for load balancing, fail over
  • Designed and developed jBPM process to control the flow of events

Environment: WSO2(ESB), AMQ, Spring, Spring Data Rest, SOAP, TOMCAT, jBPM, several Design patterns, Linux, Cassandra,Vitria

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