Vinay Badhan

Vinay Badhan Bangalore Urban, Karnataka, India- - linkedin.com/in/vinay-badhan-861a40104 Summary Backend + Data Engineer, who loves playing with data and making system scalable and reliable. Currently working on building a scalable and reliable workspace provisioning service which provides in-browser full fledged IDEs for advanced assessments for 100x scale. Integrated cloud engineer assessment and collaborative cloud IDE using open source projects. Built ETL pipelines and spark jobs to leverage data for supporting the business use-cases. Well versed in Golang, Python, Pyspark, Hadoop, AWS, ELK stack, Ruby on Rails, Dev-ops and building scalable systems. Experience Lead Engineer HackerRank Jan 2022 - Present (3 months +) - Improving the concurrency and scale of the assessment platform for projects offering by 10x - Reduced the cost per workspace by 45% - Leading the design for the next generation IDE by decoupling the backend and frontend for snappier experience Senior Software Engineer HackerRank Apr 2021 - Dec 2021 (9 months) - Leading the efforts on the editors-architecture (cloud IDE), collaboration solutions for data-science and scaling our cloud assessments platform. - Reduced cloud infrastructure cost by ~55% for Developer Skills Platform through cluster changes - Document and plan tasks and action-items with stake-holders (product and engineering team) - Monitoring and dashboard setup for usage and analytics for Skills platform and Cloud assessments - Improved the scale for cloud engineering role by 500% Software Development Engineer II HackerRank Jan 2020 - Mar 2021 (1 year 3 months) - Document, design and implement the ingestion pipeline for data generated from the various data sources of HackerRank for Enterprise and HackerRank for community. - Wrote spark jobs for data processing pipelines to support use-cases like Skill Rating, Benchmarking and Developer Skill Profile. - The system currently ingests data from more than 60 million submissions every year and provides insights in near real-time being the underlying module for all skills based information presented across the products. - Logging, alerts and dashboard for monitoring of the data getting ingested and processed. Vinay Badhan - page 1 - Optimised spark jobs to generate computational results from 24 hours to ~2 minutes for candidate packet data. - Unit test and travis setup for the computational spark jobs using pytest and travis - Eclipse Theia CDN integration and extensions to customise it. Reduced the load time for the IDE by ~50%. Software Development Engineer I HackerRank Aug 2018 - Dec 2019 (1 year 5 months) - Integration of cloud IDE for frontend, backend, frontend, data-science assessment in HackerRank for work platform - Unit-testing and best practices setup for the backend - Wrote extensible backend service used for workspaces lifecycle - Build new features and fix bugs - Reactjs, Docker, Kubernetes, Ruby on Rails, JavaScript, Backbonejs, Typescript, firebase, Redash, ELK stack. - Open source contributions to Eclipse Theia. Software Development Engineer Intern, 2018 HackerRank Jun 2018 - Aug 2018 (3 months) Worked on modifying an open source library as per the business requirements for assessment of Design Architecture diagram skills of a candidate. Bug fixes and build new features. Ruby on rails, ReactJS, nodeJS, firebase, twilio, ruby, git. Education Shri G S Institute of Technology & Science Bachelor's degree, Information Technology 2014 - 2018 Graduated Licenses & Certifications edX Honor Code Certificate for Introduction to Linux - edX Mobile Sites Certification Issued Jul 2017 - Expires Jul 2018 Hadoop 101 - Cognitive Class CCDSAP Foundation Certification - CodeChef 0dc3e9c Skills Vinay Badhan - page 2 Fullstack development • Back-End Web Development • Algorithms and Data Structure • Database Management System (DBMS) • PySpark • Systems Design • Ruby on Rails • Google Cloud Platform (GCP) • Amazon Web Services (AWS) Honors & Awards Honorarium for open source contribution - FOSSEE, IIT Bombay Apr 2016 Received honorarium of Rs. 10,000 from FOSSEE , IIT Bombay for open source contribution during the internship program twice Spot Award - HackerRank Aug 2020 Lead the entire ingestion framework of the skills-platform. Production readiness of entire framework within 2 quarters and streamlined (automated) maintenance with thorough delivery of work. $1000 reward for exemplary work. Spot Award - HackerRank Aug 2021 Cost saving and make infrastructure reliable for the workspace provisioning. Increased scale by 2.5x folds while keeping the same cost. Automation of infra cleanup and leading tech designs for the team. $1000 reward for the recognition of work. Barraiser Award - HackerRank Jan 2022 Recognised across the engineering department for excellent delivery throughout the year 2021. Vinay Badhan - page 3