Sree P.

Backend application/Data Engineer - Java, Python and Spark

I have around 20 years of software development experience using Java and Python. Throughout my career I have worked in different startups which were at different stages. Languages used: Java, C, Python Tools/Frameworks: Apache Hadoop, Hive, Spark, Spring boot, Apache tomcat, Apache Airflow, Apache Falcon, Apache Oozie, Flask, React JS, Python pandas, Kubernetes Cloud technologies: AWS Elastic Beanstalk, AWS Lambda, Athena, AWS S3, Amazon Redshift, AWS Managed airflow, EKS, MSK, Snowflake Operating system: Unix, Linux( Redhat, Ubuntu, Centos, Fedora) IDE: Eclipse, Intellij Experience in building applications in NMS/EMS, Online video advertising, Big data, Recommendation systems domains. Worked in building DSP, RTB bidders, Ad network, SSP & Ad Exchange integrations for video advertising using OpenRTB delivering ads through VAST inline, wrappers responses. Frequency capping, pacing, budgeting, forecasting, day parting, user/cookie sync, targeting (geo,content,site/app,publisher,time,segment) Programming experience in backend API and Big data application development. Good knowledge in AWS cloud solutions like EC2, S3, Elastic Beanstalk, Lambda, Redshift. Worked closely with the application development team and the data science teams to integrate the machine learning models in the production system. Has experience in leading a highly collaborative engineering team. Built data platform, data pipelines for processing a large volume of data using big data technologies. Have experience in building systems that can handle billions of requests per day

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  • Python
  • pandas
  • Apache Airflow
  • ETL Pipeline
  • Spring Boot