Karthik Dunna

WORK HISTORY

EDUCATION

ABOUT KARTHIK DUNNA

12+ years of experience in architecting, designing and implementing large-scale systems, especially working for hospitality, healthcare and financial companies. • 7+ years of experience in serving as the lead architect and expert designer of big data solutions. • Blended experience in application development and systems integration using Python, Scala, Java, PHP technologies along with Big Data, Machine Learning and AI in the IT industry with expertise in design and development. • Extensive experience in using Python with Django and Flask Web Frameworks and Open Data Science Tools.• Have strong hands-on experience implementing scalable Big Data solutions using Hadoop distributions like Hortonworks and AWS EMR which includes MapReduce, HDFS, Hive, Pig, Oozie, Spark, PySpark, Databricks, Spark Stream, Sqoop, Flume, Kafka, Airflow, and other rapidly evolving technologies.• Good understanding of NoSQL concepts and working with MongoDB, Cassandra, and Redis. • Extensive experience in writing complex SQL queries on MySQL, Postgres, SQLite, Oracle.• Extensive experience on Amazon Web Services (EC2, AMI, ELB, EMR, S3, IAM, KMS, Cloud Watch, Cloud Trail, RDS, Route 53, Lambda, Kinesis, SQS, SNS, DynamoDB, Glue, Athena, Redshift, Elastic Search, Data Migration (DMS), Lake Formation, Data Pipeline, QuickSight, etc,).• Good understanding and handled file formats like XML, JSON, CSV, ORC, Parquet, Avro.• Develop solutions for Healthcare Data Analysis, utilizing deep learning, machine learning techniques on distributed computing.• Developed Tableau visualizations and dashboards using Tableau Desktop.• Vast experience with developing web services and microservices.• Experience with integration with Office 365, Salesforces for SSO authentications, and developing external apps using their APIs.• Strong working experience on UI/UX with HTML5, CSS3, JavaScript, jQuery, AJAX, Angular JS, React JS, and Bootstrap. • Good knowledge of JavaScript-based server and client-side scripting technologies like Node.js and its MEAN stack, express.js, and sails.js. • Experience with JIRA, Redmine and Version Controlling with Perforce, Subversion, and GIT (GitHub, Bitbucket).• Involved in planning and prioritizing of CI/CD automation scope and its implementation using Jenkins and Dockers.• Experience in Robotic Process Automation (RPA), worked on UIPath to manage Bot workloads.• Worked with Talend Studio Big Data ETL for processing Hive, MySQL, MongoDB data.