SUMMARY

• Over 8 years of experience in the IT industry as AWS Engineer worked with enterprise web application design, development, maintenance & support involving all SDLC activities like requirements analysis, design, implementation, reviews, unit testing, integration testing and production deployments along with Worked on Amazon Web Services like EC2, ELB, VPC, S3, CloudFront, IAM, RDS, Route 53, Cloud Watch, SNS, Auto Scaling, Elastic Load Balance, AMIs, DynamoDB, firewalls, routing technologies and DNS, Amazon RDS DB services and Identifying and selecting services inAWS CloudInfrastructure such as IAAS, PAAS and SAAS.
• Well experienced in functional and technical systems analysis & design, system architectural design, presentation, process interfaces design, process flow design, and system impact analysis and design documentation and presentation.
• Experience in Spring Framework modules such as Spring MVC, IOC, AOP, JDBC,SpringBoot, Spring Microservices, Spring REST, Spring Eureka, Consul, Swagger UI, and Spring Zuul.
• Experience of Partitions, bucketing concepts in Hive and designed both Managed and External tables in Hive to optimize performance. Experience with different file formats like Avro, parquet, ORC, Json and XML.
• Hands - on experience in handling database issues and connections with SQL and NoSQL databases such as MongoDB, HBase, Cassandra, SQL server. Created Java apps to handle data in MongoDB and HBase. Used Phoenix to create SQL layer on HBase.
• Experienced with Databases Like Oracle, SQL Server, MySQL, NoSQL (DynamoDB, Couchbase), AmazonAurora.
• Experience in developing and deploying aMicroserviceapplication utilizing almost of theAWS Stack including S3, EC2, DynamoDB, Kinesis, SNS and SQS.
• Worked withTerraformkey features such as Infrastructure as a code, Execution plans, Resource Graphs and Change Automation.
• Extensively worked usingAWSservices along with wide and in depth understanding of each one of them. Highly skilled in deployment, data security and troubleshooting of the applications usingAWSservices.
• Experience in designing, developing and deploying J2EE applications on IBM WebSphere / WebLogic Ap- plication Servers, Tomcat, etc.
• Experienced in developing Client and Web (Internet and Intranet) based applications with J2EE, JSP, Servlets, JDBC, LDAP, Struts, spring, JSF and other frameworks.
• Experienced in developing web applications using spring modules like Spring IOC. Provides leadership to help customers understand best practices around advanced cloud-based solutions, and how to migrate existing workloads to the cloud.
• Expertise in development of software applications using Java, Rest Web Services Servlets, SOAP, Angular JS, JavaScript, HTML 5, CSS, JSP, Spring,Spring Boot, Spring Batch, Drools, Maven.
• Experienced in designing GUI by using HTML, DHTML, CSS, JavaScript, Action Script, AngularJS, AJAX, JSP, JSTL, JQUERY, EXT JS, Node.js.
• Expertise in Java8 & Core Java involving concepts like Collections, Multithreading, Data Structures, Algorithms, Exception Handling and Polymorphism.
• Experienced with event-driven and scheduledAWSLambda functions to trigger variousAWSresources.
• Experience in designing and creating RDBMS Tables, Views, User Created Data Types, Indexes, Stored Procedures, Cursors, Triggers and Transactions.
• Proficient with container systems likeDockerand container orchestration likeEC2 Container Service,Kubernetes, worked withTerraform.
• Experience in Designing, developing, migrating application deployment inAWScloud & AWS IAM User Account, role, and policy creation
• Experience to convert process from Legacy (SAS, Teradata) to Cloud (SQL, Python, Snowflake, AWS)
• Expert in designing Parallel jobs using various stages like Join, Merge, Lookup, remove duplicates, Filter, Dataset, Lookup file set, Complex flat file, Modify, Aggregator, XML.
• Hands-on experience with Amazon EC2, S3, RDS, IAM, Auto Scaling, CloudWatch, SNS, Athena, Glue, Kinesis, Lambda, EMR, Redshift, DynamoDB and other services of theAWSfamily.
• Expertise in Java & Core Java involving concepts like Collections, Multithreading, Data Structures, Algorithms, Exception Handling and Polymorphism.
• Experience to convert process from Legacy (SAS, Teradata) to Cloud (SQL, Python, Snowflake, AWS)

PROFESSIONAL EXPERIENCE

Sr. AWS Engineer

Confidential, Indianapolis, IN

RESPONSIBILITIES:

• Developed security groups, network ACL's, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud.
• Worked with IAM to create new accounts, roles and groups and polices and developed critical modules like generating amazon resource numbers and integration points with S3, Dynamo DB, RDS, Lambda and SQS Queue
• Implemented aserver lessarchitecture usingAPI Gateway, Lambda, and Dynamo DBand deployedAWS Lambda codefrom Amazon S3 buckets. Created a Lambda Deployment function, and configured it to receive events from your S3 bucket
• Designed and developed asynchronous RESTful Microservices using Spring boot, Couchbase and RXJava that are consumed by other microservices with an average response time of 30 milliseconds.
• Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application.
• Used Kubernetes to deploy scale, load balance, scale and manage docker containers with multiple names spaced versions.
• Developed rest API's using python with flask and Django framework and done the integration of various data sources including Java, JDBC, RDBMS, Shell Scripting, Spreadsheets, and Text files.
• Automated the infrastructure forKafka clustersdifferent instances as per components in cluster for creating multiple EC2 instances & attaching ephemeral or EBS volumes as per instance type in different availability zones & multiple regions in AWS.
• Proficient in AWS services like VPC, EC2, S3, ELB, Autoscaling Groups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail.
• Configured S3 buckets with various life cycle policies to archive the infrequently accessed data to storage classes based on requirement.
• Implemented Kafka Security Features using SSL and without Kerberos. Further with more grain-fines Security I set up Kerberos to have users and groups this will enable more advanced security features.
• Responsible for the design, development and administration of transactional and analytical data constructs/structures and business reports from legacy to AWS and Snowflake.
• Involved in building database Model, APIs and Views utilizingPython, in order to build an interactive web-based solution.
• Managed Amazonredshiftclusters such as launching the cluster by specifying the nodes and performing the data analysis queries.DevelopedSpark Applicationsby usingScala, Javaand ImplementedApache Spark data processingProject to handle data from variousRDBMSand Streaming sources.
• Developed rest API's using python with flask and Django framework and done the integration of various data sources including Java, JDBC, RDBMS, Shell Scripting, Spreadsheets, and Text files.
• IntegratedApache Kafkafor data ingestion, to capture and process the real time and the near real time streaming data.
• Developed build & deployment scripts using MAVEN. Automated the process using plugins available Jenkins and move from one environment to other throughout the build pipeline.
• UsedKafkaBuilding streaming data pipelines that reliably get data between applications and involved in streaming applications that transform or react to the streams of data
• Worked with transformation of data is done, this transformed data is then moved to Spark cluster where the data is set to go live on to the application using Spark streaming and Kafka.
• Used spring config server for centralized configuration and Splunk for centralized logging. Used Concourse and Jenkins for Microservices deployment.
• Implemented Kubernetes to deploy scale, load balance, scale and manage docker containers with multiple names spaced versions.
• Developed Talend Bigdata jobs to load heavy volume of data into S3 data lake and then into Snowflake data warehouse.
• Designed Security layer applied to EC2 instances through security groups. Security groups comprise rules which allow traffic to and from the EC2 instances
• Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application.
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP (Google Cloud Platform). Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy.
• BuildJenkinsjobs to create AWS infrastructure fromGitHubrepos containing Terraform code and administered/engineered Jenkins for managing weekly builds
• Involved in writing Java API for Amazon Lambda to manage some of the AW’S services.
• Wrote and executed various MYSQL database queries frompythonusingPython-MySQL connector and MySQL dB package.
• Expertise needed in writing Python programming to move the load ready file toAWSS3, transformation of data and load intoAWSRedshift.Implementing Continuous Delivery frameworks using Jenkins, Chef, Ansible and Maven& Nexus in Linux environment. Worked on Managing the Private Cloud Environment using Chef.
• Worked on Python to build data pipelines after the data got loaded fromKafka.
• Good knowledge in creating and launching EC2 instances using AMI's of Linux, Ubuntu, RHEL, and Windows and wrote shell scripts to bootstrap instances.
• Have replaced the Java Messaging Service (JMS) calls withAWS SQSand used AWSSDKto connect with Amazon SQS for bulk email processing.
• Installed, configured and managed the ELK (Elastic Search, Log stash) for Log management within EC2 / Elastic Load balancer for Elasticsearch.
• Possess good knowledge in creating and launching EC2 instances using AMI's of Linux, Ubuntu, RHEL, and Windows and wrote shell scripts to bootstrap instances.
• Involved in developing and delivery of aMicro serviceapplication utilizing almost of the AWS Stack includingS3, EC2, DynamoDB, Kinesis, SNS and SQS
• Created Python Scripts to Automate AWS services which include web servers, ELB, Cloud front Distribution, database, EC2 and database security groups, S3 bucket and application configuration, this Script creates stacks, single servers or joins web servers to stacks
• Provided AWSSolutions consultations regarding data backups and physical hardware migration into S3, RDS, and EC2. Cloud System Administration creating security groups and AcLs for resources, processes, and users

Environment: AWS, Unix/Linux, Python scripting, Elastic Load Balancing, Elastic Beanstalk, ECS, CloudFront, CloudFormation, Elastic Cache, CloudWatch, Route 53, Redshift, EC2, S3, RDS, ELB, Cloud Watch, Amazon Aurora, Shell CloudFormation, Lambda.

AWS Engineer

Confidential, Columbus, IN

RESPONSIBILITIES:

• Migrating existing application into micro services architecture using Rest APIs, spring boot, Spring Cloud config, AWS.
• Expertise in Amazon Web Services (AWS) provisioning and strong work experience withAWSservices like EC2, Elastic Load-balancers, Elastic Container Service, S3, CloudFront, Elastic File system, VPC, Route53, Cloud Watch, AMI, RDS, SES, LDAP, Cloud Trail, Cloud Formation, IAM.
• AllocatedAWSSecurity Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or moreAWSEC2 instances.
• IntegratedAWSDynamoDB usingAWSLambda to store the values of the items and backup the DynamoDB streams.
• Installed, configured, and maintained several Hadoop clusters which includes HDFS, YARN, Hive, HBase, Knox, Kafka, Oozie, Ranger, Atlas, Infra Solr, Zookeeper, and Nifi in Kerberized environments.
• Implemented REST Microservices using spring boot. Generated Metrics with method level granularity and Persistence using Spring AOP and Spring Actuator
• Understanding ofDevOpspractices across industry including AWS code and deployment toolsets like Code Deploy.
• LaunchedAWSEC2 instances using Amazon Web Services (Linux/Ubuntu/RHEL) for development, test and production environments. Responsible for the development and maintenance of Auto Scaling and Elastic Load Balancers.
• UsedPythonto write data into JSON files for testing Django Websites. Created scripts for data modelling and data import and export.
• Worked on Agile projects for aDevOpsteam to help deliver critical functionality to a cloud-based service.
• Created NoSQL solution for a legacy RDBMS Using Kafka, Spark, SOLR, and HBase indexer for ingestion SOLR and HBase for and real-time querying
• Implemented Kafka Security Features using SSL and wifout Kerberos. Further, wif more grain-fines Security me set up Kerberos to have users and groups dis will enable more advanced security feature
• UsedAWSAthena extensively to ingest structured data from S3 into other systems such asRedShiftor to produce reports.Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.
• Installed Kafka manager for consumer lags and for monitoring Kafka metrics also dis has been used for adding topics, Partitions etc
• UsedPythonto write data into JSON files for testing Django Websites. Created scripts for data modelling and data import and export.
• Performed data extraction and manipulation over large relational datasets using SQL,Python, and other analytical tools.
• Used spring config server for centralized configuration and Splunk for centralized logging. Used Concourse and Jenkins for Microservices deployment.
• Worked on analyzing Hadoop cluster using different big data analytic tools including Kafka, Pig, Hive and MapReduce.
• Build the infrastructure required for optimal extraction, transformation, and loading of data from a wide variety of data sources using SQL,Snowflakeand AWS big data technologies
• YAML/JSON for creatingDevOpsCI/CD pipelines on AWS, AWS S3 buckets, AWS Lambda, AWS Cognito for authentication of the web application.
• Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Aurora DB cluster.
• Performed end- to-end Architecture & implementation assessment of variousAWSservices like Amazon EMR,Redshift, S3, Athena, Glue and Kinesis.
• Implemented security best practices inAWSincluding multi factor authentication, access key rotation, encryption using KMS, firewalls- security groups and NACLs, S3 bucket policies and ACLs, mitigating DDOS attacks etc.

Environment: EC2, Elastic Load Balancing, Elastic Beanstalk, ECS, CloudFront, CloudFormation, Elastic Cache, CloudWatch, Route 53, Redshift, Lambda and DynamoDB. Linux, S3, EBS, EC2, Cloud Watch, Cloud Formation, Workspaces

Python Developer (AWS)

Confidential, Denver, CO

RESPONSIBILITIES:

• Participated in all the stages of software development lifecycle like design, development, and implementation and testing.
• Used object-relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups and Cloud Formation Templates.
• Designed the Web Application Using Python on Django Web Framework pattern to make it extensible and flexible.
• Responsible for writing and implementation of JavaScript, AJAX and jQuery to interact with web Services and user controls.
• Created customized AMIs based on already existing AWS EC2 instances by using create image functionality, hence using this snapshot for disaster recovery.
• Worked with Python ORM Libraries including Django ORM and have good knowledge on Project management tools. Used Apache to deploy production site.
• Worked on AWS cloud watch for monitoring the application infrastructure and used AWS email services for notifying & configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Used object-relational mapped (ORM) to automate the transfer of data stored in relational databases tables into objects.
• Used the Django Model View Template (MVT) framework to build modular and maintainable applications
• Designed the front end of the application usingPython, HTML, CSS, AJAX, JSON and jQuery. Worked on backend of the application, mainly using Active Records.
• Used object-relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema

Environment: Python 2, Django, XML, Pandas, JSON, REST, PyUnit, GitHub, Jira, GitHub, SQL, Oracle, Agile, NumPy, Pandas, AWS

Software Engineer

Confidential, Boston, MA

RESPONSIBILITIES:

• Developed Service layer classes to support the business functionality with spring.
• Involved in designing and developing the front end of the application using JSF, Struts Tiles, JSP, Java script, HTML and CSS.
• Developed JSP custom tag libraries, and associated support in the Action Servlet, that assists in creating interactive form-based applications, which is the one of the primary areas of functionality using Struts Framework.
• Used SPRING framework to support Hibernate tools and Struts.
• Created the Application Context file in the Spring Framework for injecting beans.
• Extensively used Action Dispatch Section, Action Forms, and Struts Configuration from Struts.
• Implemented JavaScript Client-side validation and some server-side validation with java code as per the requirements.
• Made use of a Data Access Object (DAO) design pattern for designing data access layers.
• Developed programs for accessing the database using JDBC driver to execute queries, stored procedures and to manipulate the data in the database.
• Developed Struts forms and actions for validation of user request data and application functionality.
• Designed a flexible and highly dynamic framework that incorporates robust marshaling and un marshaling from XML and a business process layer to allow rapid development and deployment of web services by aggregating back-end service invocations.
• Used JavaScript for the web page validation and Struts Validator for server-side validation.
• Designing the database and coding of SQL, procedures, Triggers and Views using MySQL.

Environment: SQL, MySQL, XML, SOAP, JSF, Struts Tiles, JSP, Java script, HTML and CSS.