SUMMARY

• Extensive hands on experience in full project lifecycle working in different capacity as senior/leader developer in delivering high quality, mission critical, innovative and cost - effective products and processes for startup and large global organizations using various technologies including
• Extensive hands on experience in full project lifecycle working in different capacity as senior/leader developer in delivering high quality, mission critical, innovative and cost-effective products and processes for startup and large global organizations using various technologies including
• 18+ years of experience design and developing various systems/products/components using Core Java, Spring and various other open source apache projects
• 9+ years of experience developing real-time analytics, data pipelining (data ingestion, cleaning, enrichment) and prediction engine using Java, Akka Apache Kafka, KSQL, Storm, Flink, Sqoop, Flume, Spark Streaming, Spark MLLib, Scikit-learn, Cassandra, MongoDB, Janusgraph, Cloudera/HDP stack (HDFS, HBase, Impala, MapReduce, Yarn Oozie, Oozie, Pig, Hive, Kerberbos/SASL), Solr and ElasticSearch.
• 4+ years of experience using NOSQL database Cassandra, HBase, Janusgraph and MongoDB building big data grid solutions
• 4+ years of experience building and deploying using various AWS services
• 1.5+ years of experience building and deploying using Google Cloud services
• 1.5+ years of experience building and deploying using Azure Cloud
• 6+ years of experience in implementing SOA solution using various B2B, XML, web services and SOA design patterns and technologies. Used Oracle SOA 11g for multiple projects
• 5+ years of experience building API (RESTful and SOAP services)
• 3+ years in creating API proxies, policies (throttling, caching, logging, monetization, request and response modifications), services, products using APIGEE platform
• 4+ years of experience building micro services using 12 factor app factor and Event Sourcing/CQRS and principals
• 3+ years of experience developing and deploying using Docker/Swam/Kubernetes/Mesos and CI/CD tools for various types of complex pipelines
• 2+ years of experience developing secure application using HP-Fortify and White Hat security products following OWASP top 10 lists.
• 8+ years of experience using Agile/Iterative/XP/Scrum
• 5+ years of experience using Cloudera and Hortonworks Hadoop components
• 6+ years of experience working with remote team in different time zones
• 10+ years of experience working with large scale distributed big data platform
• Excellent Leadership, communication, analytical, technical and problem-solving skills
• Build relationships, credibility, establish rapport with stakeholders including external to the organization

TECHNICAL SKILLS

Languages: Java, C++, C, C#, Scala, Python

NoSQL: Cassandra, MongoDB, HBase, Redis, CosmoDB

Bigdata: Cloudera and HDP Stack (HDFS, Hive, MapReduce, Yarn, Impala, Oozie, Pig, HBase)

Analytics/Streaming/Workflow: Apache Storm, Spark Streaming Flink, Kafka Streaming, KSQL Kafka, Pig, Oozie Spark MLLib, Scikit-learn, Nifi, Informatica, Talend

Cloud Computing: AWS, PCF, Azure and Google Cloud stack

Caching: EhCache, Terracotta, Big Memory, Coherence Cache

OSS Framework: Spring Boot and other modules, Spring Cloud, Netflix OSS, OSGi, Hibernate, Guava, Apache and Google Libraries, Activiti, Drools

Databases: MySQL, Oracle, Sybase, SQL Server, DB2, Postgres

CI/CD: GIT, Maven, Gradle SVN, Jenkins, Bitbucket, Thoughtworks CI/CD

Search: Solr, Lucene, ElasticSearch

Logging/Monitoring: Splunk, ELK, Nagios, Grafana, Prometheus

Middleware: J2EE, JMS, EJB, IBM MQ, AMQP, Sonic ESB, OpenJMS, Sonic MQ, Tibco RV, Oracle SOA 11g, Oracle Golden Gate, Solace ESB

Methodologies: Agile/XP/Scrum, Waterfall, Operation Excellence and Six Sigma, TDD

Design and architecture: Rational Rose, Visio, UML, Design Patterns, SOA, BPM, EDI, TOGAAF

PROFESSIONAL EXPERIENCE

Confidential

Lead Java/BIG Data ENGINEER

Responsibilities:

• Developed microservice using Java 8, Spring Boot 2.0, Spring 5, Spring Cloud (Eureka Server, Hystrix Server, Config Server, Ribbon, Zuul, Cloud gateway, Sleuth, Swagger, Lombok, WebFlux, Reactive Streams, Redis, DynamoDB MongoDB, Cassandra, Kafka, Kafka Stream, KSQL, Elasticsearch, Docker, Kubernetes, OpenShift, JSON, XML, APIGEE and various open source other open source projects using 12 factor design, CQRS and Event Sourcing
• Developed & wrote services to provide real-time updates and analytics data using Kafka Stream, KSQL, Spring boot and Spring Cloud
• Developed API security, Web App security and SSO components using Spring security OAuth2, OpenID, SAML
• Designed column families and N node Cassandra clusters across multiple data centers
• Developed data ingestion, streaming and visualization solution using various AWS (EC2, Lambda, S3, VPC, CloudWatch, Cloud Formation, RDS, Elastic Cache, AWS Fargate, AWS AppMesh IAM, ELB, EMR, ECS, SQS, Kinesis, API Gateway, EMR) for Lab order integration
• Designed and developed Spark Streaming jobs to consume from Kafka and persist to Cassandra, HDFS, Hive. Also wrote many Hive analytics queries for data aggregations for lab order fulfillment
• Worked on enhancement of micro front-end using React
• Developed and Configured API proxies, policies (throttling, caching, logging, monetization, request and response modifications), services, products using APIGEE platform
• Developed publisher, consumer and real-time streaming using Kafka, Kafka Stream, KSQL for external party integration
• CI/CD (Git, Jenkins, JIRA, Sonar, Veracode) and Integration of API platform to EFK, Splunk, Dynatrace

Confidential, TX

Sr. Java/Big Data ENGINEER

Responsibilities:

• Developed REST API/microservices using Java, Spring Boot 2.x, Spring/Netflix Cloud stack, Swagger, Lombok, MySQL Cassandra, Kafka, Kafka Stream, PCF Cloud on AWS and various open source projects using 12 factor design, CQRS and Event Sourcing principles
• Developed and Configured API proxies, services, products using APIGEE platform

Confidential, TX

Lead Java ENGINEER

Responsibilities:

• Developed microservices, streaming and visualization solution using various Google Cloud (App Engine, Datastore, MemCache, Pub/Sub, Bigtable, BigQuery, Spanner for Labs across many regions
• Developed services using Java 10, Spring Boot, Spring, Spring Cloud (Eureka Server, Hystrix Server, Config Server, Ribbon, Zuul, Cloud gateway, Sleuth, Swagger, Lombok, WebFlux, Reactive Streams), Cassandra, ElasticSearch, APIGEE and various open source other open source projects using 12 factor design, CQRS and Event Sourcing
• Developed & wrote services to provide real-time updates and analytics data using Kafka Stream, KSQL, Cassandra, ElasticSearch, Spring boot and Spring Cloud
• CI/CD (Git, Thoughtworks CI/CR, JIRA, Sonar)
• POC for Apache Flink streaming and persisting to HBase

Confidential, TX

Sr. Java/Big Data ENGINEER

Responsibilities:

• Developed REST API/microservices using Java, Node.Js, Spring Boot 2.x, Spring/Netflix Cloud stack, Swagger, Lombok, WebFlux, Reactive Streams, CosmoDB, SQLServer, Cassandra, Kafka, Kafka Stream, Elasticsearch and Azure Cloud (Azure functions, Azure Service bus, Azure App Services, CosmoDB, ADF, Azure Databricks), and various open source projects using 12 factor design, CQRS and Event Sourcing principles
• Developed and Configured API proxies, services, products using APIGEE platform
• Designed developed database tables, schemas and complex queries
• CI/CD using Atlassian stack

Confidential, CA

Sr. Java/Big Data ENGINEER

Responsibilities:

• Architected, designed and developed multiple complex message flow pipelines, ETL processes with self-provisioning, integrated authentication and authorization with multiple source to get data from any source within internal systems and external partners system and also other partners) and then route to multiple destination systems, data lakes, monitoring systems for trading, portfolio management and compliance system
• Developed different components/services/systems using Java 8, Python, Akka, Kafka, Cloudera Stack, HBase, Hive, Impala, Pig, Spark, Spark Streaming, ElasticSearch, Logstash, Kibana, JAX-RS, Spring, Hibernate, Apache Camel, RESTful API, Spring Boot, JSON, JAXB, XML, WSDL, Zookeeper, Cassandra, Solr, MongoDB, HDFS, ELK/Splunk, Docker, Kubernetes, CI/CD, Zipkin, Sleuth, Prometheus, Sqoop, Flume, Oozie, Pig
• Developed Spark batch, streaming jobs pipeline
• Developed using Google Cloud Platform (App engine, Pub/Sub, Datastore, Spanner, Memory store)
• Apply OWASP rules to create secure application by integrating with WhiteHat, Fortify security product
• Automation of deployment and configuration management using Ansible.
• Worked on creating batch and real-time Spark jobs using Oozie workflow engines for periodic analytics and ingestion to Data lakes.
• Worked on Machine learning pipelines using PySpark, SparkML, Pandas, Scikit-learn, Numpy libraries to create and train model (used in prediction engine). Also used Matplotlib, Seaborn and Talend ETL tools for visualization and analysis
• Involved in the installation, configuration and tuning of Cloudera Hadoop ecosystem
• Developed and designed HBase, Cassandra tables, column families, Solr indexes and queries
• Developed Splunk reports, dashboards, alerts and forwarders to capture logs
• Involved in production migrations, upgrades, tuning for all the Big Data Stack including Kafka, Cloudera, Cassandra

Confidential, CA

Sr. Java/Big Data ENGINEER

Responsibilities:

• Designed and developed caching layer using Oracle Coherence and Cassandra NoSQL database
• Developed operational analytics, financial analytics, model building and enrichment, prediction engine for both batch and real-time using Java, Storm, Kafka, Akka, Spark MLLib, Scikit-learn
• Worked on Web application and various micro-services using SOAP/REST, Hibernate, JavaScript, Akka, Play framework, Spring Boot, Spring Cloud/Netflix OSS (Config Server, Hystrix, Zuul, Swagger), Spring Data, Spring MVC, Java, JAXB, JBoss, MySQL, Swagger Cassandra, MongoDB, Elastic Search and Akka
• Apply OWASP rules to create secure application by integrating with White Hat security product. Also used Volt for encryption/decryption.
• Developed and deployed various micro services on AWS Cloud solutions (EC2, S3, Kinesis, Lambda, CloudWatch, CloudTrail, VPC, DynamoDB, EMR) and automation of deployment of the platform using custom framework based upon Chef and Puppet using 12 factor app patterns
• Developed Docker container based micro services using Spring Boot/Cloud and deployment on Kubernetes cluster
• Design and development of Operational data store and data grid to create in-memory Data Grid to store over 3TB of data by gathering the data from over 130 different application and then serve it as a consolidated API to the various consumer facing website and B2B applications.
• Solution design and development for creating Grid Data Distribution network and routing infrastructure (according to SLA) to serve over 5 million messages per second and distribute across 5 data centers using pluggable connector architecture supporting Goldengate, Connect: Direct, SFTP, JMS Oracle Database, SQL Server, MySQL, Postgres and JDBC data capture protocols.
• Design and developed services to persist and read data from Hadoop, HDFS, Hive and writing Java based MapReduce batch jobs using Hortonworks Hadoop Data Platform
• Developed monitoring, deployment and performance gathering modules using Scala, Akka library
• Creation of SOAP and RESTful services using OWASP security patterns in J2EE platform
• Integration services with internal and external vendors/partners using SOA design patterns
• Automation of build and deployment process for multiple systems using SVN/Maven/AntHillPro. Integration with Sonar
• Creation of data aggregation and pipelining using Kafka and Storm
• User profile and other unstructured data storage using Java and MongoDB
• Integration of Elastic Search, Logstash and Kibana for live log analysis
• Development and deployment of Streaming and analytics data on Amazon Cloud
• Integrated and used various open source dev and ops tools/libraries from Netflix (Simian Army, RxJava, Hystrix, Asgard) and Linkedin (Kafka)

Confidential, LA, CA

LEAD Java ENGINEER

Responsibilities:

• Led solution design and development, for Toyota Motor Sales enterprise wide Vehicle configurator web application for Toyota, Lexus and Scion brand.
• Designed and developed various integration points with Toyota’s existing legacy services like dealer locator, inventory and factory IBM mainframe data, LiveSite marketing data, TFS financial services, Oracle OAM security, Oracle OVD and various enterprise wide and consumer facing applications
• Worked on web and middle tier performance tuning and JVM sizing
• Developed factory configuration storage engine using MongoDB
• Processing model and workflow development using Lombardi and SonicESB
• Development and deployment of Image creation on AWS Cloud
• Developed API proxies, services, products using APIGEE platform
• Developed RESTful services using Scala, Akka for providing the factory configuration data
• Created Workflow with built in rules using Activiti and Drools
• Apply OWASP rules to create secure application by integrating with HP Fortify security product

Used: Java, Spring(Core, MVC, Drools, AOP, REST, Security, Batch, Integration, JMS), MongoDB Guava, Swagger,Scala JBoss EAP 6, JBoss Enterprise Webserver, TeamSite, LiveSite, Play framework, MySQL, NoSQL(GIT), JGIT, Maven, SVN, QuickBuild, SAT Solver, HTML, JavaScript, CSS, AJAX, JSP, XML, JSON, Jackson, Google Cloud, GWT, JQuery, JQuery UI and various plugins, REST, SOAP, IBM ESB, Websphere, Tibco, Oracle OAM, iText, Solr, Kafka, Storm and various open source technologies

Confidential, CA

Technical LEAD /ARCHIECT

Responsibilities:

• Responsible for architecture, design and development of Enterprise Wide Advanced Trading Platform (OMS and EMS) for trading Fixed Income and derivate suite of products. Responsible for architecture, design and development for the application middle tier services for trade capturing, position management, trading strategies, portfolio compliance, trade and Risk Analytics.
• Implemented SOA architecture to integrate both internal front office, back office systems and external vendor applications. Development and deployment of Analytics engine on Amazon Cloud

Used: Java 1.8, J2EE, Spring, EclipseLink JPA and JAX-B, EJB, JMS, SOAP, SOA, Java-WS, Java-RS, Weblogic 10.3.4, Sybase, Eclipse, Unix, SonicMQ, TangoSol, Apache, Tomcat, EhCache, Terracotta, Gridgain, JSP, Struts, Servlet, JUnit, Eclipse 4.1, Java Mail, JAX-WS, JAX-RS, JAX-B, SOAP 1.3, Web services, ANT, Maven, SVN, Swing, SonicMQ, SonicESB, XML, Java Webstart, JDBC, JIDE, JMS, Hibernate, AntHillPro