Headline

Engineering Manager at Medable

About

Tech lead / manager, who loves solving business problems while making system scalable and robust. Currently automating the entire clinical trial studies process for building and testing to reduce the time to launch a study by 90% and increase the reliability of the platform. Leading a team of 6 engineers. Worked on building a scalable and reliable workspace provisioning service which provides in-browser full fledged IDEs for advanced assessments for 100x scale and reduced the cost of per workspace by ~60% (infrastructure cost saving of ~$65k / month). Led a team of 6 engineers and setting up the guidelines and future path for the engineering development while actively contributing through code development, improving the existing system. Developed and open sourced a custom routing engine for http + web socket. Integrated cloud engineer assessment and collaborative cloud IDE using open source projects. Built ETL pipelines and spark jobs to leverage data for providing candidate skill profile with in-depth analysis for their skill proficiency for each skill assessed in the HackerRank platform. Well versed in Golang, Python, Pyspark, Javascript, Node, Hadoop, AWS, ELK stack, Ruby on Rails, Dev-ops and building scalable systems.

Location

Bangalore Urban

AI stack

claude code

claude

codex

cursor

gemini

geminicli

Work experience

Member of technical staff at Mem0, Oct 2026 - Present · 1 mo, Remote, Building the memory layer for AI agents and applications

Lead Engineer at HackerRank, Jan 2022 - Jun 2023 · 1 yr 6 mos, Bengaluru, Karnataka, India, - Improving the concurrency and scale of the assessment platform for projects offering by 10x - Reduced the cost per workspace by 59.7% for frontend, backend and fullstack offering and 62.95% for datascience workspaces - Leading the design for the next generation IDE by decoupling the backend and frontend for snappier experience - Designed and built the alternative for existing workspace allocation infra (VM provider) which reduced the cost by 57.9%, increased the workspace concurrency by 10x while the overall system being more reliable - APM integration with new relic - Multi-cloud support for AWS and GCP with new infra (VM Provider)

Senior Software Engineer at HackerRank, Apr 2021 - Dec 2021 · 9 mos, Bengaluru, Karnataka, India, - 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 at HackerRank, Jan 2020 - Mar 2021 · 1 yr 3 mos, Bengaluru, Karnataka, India, - 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. - 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%.

Android Development and Full Stack Development Intern at Central Lab, Indore, Jun 2017 - Jul 2017 · 2 mos, Work from home, Worked on improving the existing android app and also worked on nodejs express framework using mongoose to communicate with mongodb.

Frontend Developer Intern at Alfa Student, Jan 2017 - Mar 2017 · 3 mos, Work From Home, Worked as a frontend developer for Alfa Student. Working on technologies like Angular JS, ajax, html5, css3, javascript, jquery & bootstrap framework. Task runner tools such as Grunt and Gup are being used to ease the task. Also bower is used to install all the dependencies. Also working on creating REST APIs to send data and receive data. Data is transported in Json. Advanced javascript is used in order to make the application responsive. Technologies Used: Angular JS, Grunt, Gulp, Bootstrap, HTML5, CSS3, Javascript, Java, Jersey Framework, Mysql, Tomcat(As a web server) Link: https://github.com/vinayb21/AlfaStudent-FrontEnd

Web Development and Maintenance Intern at Schoolease, Jul 2016 - Nov 2016 · 5 mos, Work From Home, Worked as a web developer for "schoolease" . Responsible for making changes in frontend part to make it more user friendly. Also worked on establishing connection of website with databases using Paas (Platform as a service). Technologies Used: HTML5, CSS3, Javascript, Bootstrap, Php, MySQL Link: http://www.schoolease.in/

Education

Bachelor's degree, Information Technology, Shri G S Institute of Technology & Science

Public links

github: https://github.com/vinayb21-work

medium: https://medium.com/@vinay-badhan21

leetcode: https://leetcode.com/vinayb21

youtube.com: https://youtube.com/@vinaybadhan21