Krishna Prasad Email & Phone Number

Tokyo, Jp

Tokyo, Japan

As a Teach Lead Data Engineer at PayPay Corporation, I designed and developed diverse ETL pipelines utilizing Apache Spark + Scala and running on AWS Glue and Amazon EMR cluster. These projects involve reading various kinds of sources like Aurora DB / MySQL / Kafka / DynamoDB / MongoDB etc and writing to Data Lake with table format Apache Huid / Deltalake / Iceberg and all tables metadata available in AWS Glue Data Catalog for datasets discovery. End users like the AI/ML team can utilize either… Show more As a Teach Lead Data Engineer at PayPay Corporation, I designed and developed diverse ETL pipelines utilizing Apache Spark + Scala and running on AWS Glue and Amazon EMR cluster. These projects involve reading various kinds of sources like Aurora DB / MySQL / Kafka / DynamoDB / MongoDB etc and writing to Data Lake with table format Apache Huid / Deltalake / Iceberg and all tables metadata available in AWS Glue Data Catalog for datasets discovery. End users like the AI/ML team can utilize either Athena / Presto / dbt or other SQL-based interfaces to interact with the data lake.While managing petabytes of PayPay data, my current tech stack includes:1. AWS Lambda and Step Functions for orchestrating automated workflows for data ingestion into the data lake.2. Apache Spark3. Scala4. Apache Hudi5. Apache Kafka6. Apache Airflow7. Amazon EMR8. AWS Athena9. S3 for data lake storage using Apache Hudi table format10. Amazon KinesisIn addition, we oversee ETL pipelines dedicated to moving data from the data lake to enterprise Data Warehouses, such as BigQuery or Redshift, as per specific end-user requirements. Show less

Noida, Uttar Pradesh, India

Noida Area, India

Noida Area, India

Served as an Engineering Manager at Info Edge India Ltd:* Proficient in web technologies, including Java, Spring Boot, MongoDB, MySQL, Elasticsearch, Aerospike, Apache, and Nginx.* Expertise in architecting and developing real-time, large-scale web applications, specifically for the Recruitment Management System (RMS).* Developed Java microservices for RMS, encompassing features like Approval, Requisition, Requirements, Vendor Management, and Communication… Show more Served as an Engineering Manager at Info Edge India Ltd:* Proficient in web technologies, including Java, Spring Boot, MongoDB, MySQL, Elasticsearch, Aerospike, Apache, and Nginx.* Expertise in architecting and developing real-time, large-scale web applications, specifically for the Recruitment Management System (RMS).* Developed Java microservices for RMS, encompassing features like Approval, Requisition, Requirements, Vendor Management, and Communication Services.* Engaged in the transformation of the existing monolithic architecture into a Java microservices architecture.* Focused on enhancing the performance scalability to meet the evolving needs of recruiters. Show less

Gurgaon, India

• Build predictive model for predicting prospective buying customer from free trial customers.• Build customer churn prediction model, which is helpful for support team to contact with customers. • Rating recommendation engine for chat interaction of support team with customers.• Prepared highly scalable SaaS Metrics e.g.: MRR, ARPA, LTV, Churn Rate & Cohort Metrics. • Currently working on business operation team of Kayako, which includes order management… Show more • Build predictive model for predicting prospective buying customer from free trial customers.• Build customer churn prediction model, which is helpful for support team to contact with customers. • Rating recommendation engine for chat interaction of support team with customers.• Prepared highly scalable SaaS Metrics e.g.: MRR, ARPA, LTV, Churn Rate & Cohort Metrics. • Currently working on business operation team of Kayako, which includes order management, cart management, payment gateway and trial signups.• Worked on event handling in backend system to make SaaS metrics accessible faster.• Working on LAMP platform with MVC and API driven architecture.• Implemented Salesforce for Customer Relationship Management.• Worked on Hobspot for inbound marketing.• Implemented Zuora for payments and subscription management. Show less

Gurgaon, India

Working as a PHP Developer with specialised in Core PHP in Engineering team. Learning everyday from the bests and Growing up professionally and personally.• Worked on LAMP platform with Zend, Yii framework & JSON using Object Oriented concepts to provide faster, better, reliable, secure and feature rich web applications, solutions and services that served more than 10 lakhs user on daily basis.• Translated business requirements into maintainable, robust and secure software… Show more Working as a PHP Developer with specialised in Core PHP in Engineering team. Learning everyday from the bests and Growing up professionally and personally.• Worked on LAMP platform with Zend, Yii framework & JSON using Object Oriented concepts to provide faster, better, reliable, secure and feature rich web applications, solutions and services that served more than 10 lakhs user on daily basis.• Translated business requirements into maintainable, robust and secure software codes.• Added multiple software modules/sub-modules like optimisation of vouchers distribution to the customer, Size-chart framework, automation of SEO requirements.• Requirement analysis and schema designing in MySQL database for specific business requirements.• SKU Level Sizechart – Provided Flexibility to Sizechart Team to upload Sizechart on SKU level to provide its different sizes in the same category of same brand.• Vouchers/Coupons framework – Built a strong backend interface integrated with frontend system for creation of millions of coupons in a very short time frame.• SEO – Built a strong SEO which make Jabong pages comes on first page of google search engine. Show less

Jalandhar Area, India

Job Responsibilities:Course Coordinator of Graph Theory and Numerical Analysis.MATLAB instructor.Faculty Coordinator for Training and Placement cell.

Master Of Technology (M.Tech.), Computer Application, 8.1/10

Activities and Societies: Open House 2011 Thesis Title: Portfolio Optimization - Worked on BSE100 listed companies to find the best.

Master Of Science (M.Sc.), Mathematics, 7.02/10

Thesis Title: Block Wiedemann Algorithm over finite fields - solved large sparse system of linear algebraic equations using C++..

Bachelor Of Science (B.Sc.), Mathematics, 72.61

Intermediate, Science, 70.33

Education record

Education record