Sangam Kumar

Senior Software Engineer

HackerRank•  July 2022 - Present•  Remote

- Reduced error rates by 99%, improved scoring reliability, streamlined workspace operations, and reduced pause & resume times by 50%. - Designed and developed an environment service to easily manage 60+ environments, enabling custom setups and reducing deployment overhead. - Designed and developed a runtime orchestrator, reducing environment onboarding time from 2+ months to 7 days. - Led HackerRank Projects question creation process UX revamp, by dividing the multi-quarter project into achievable phases, launched LA and GA in the same quarter. - Developed and launched an MVP for Azure Cloud Skills Assessment from the ground up, including creating an Azure account and services to manage a candidate’s Azure account.

Software Development Engineer II

HackerRank•  January 2021 - June 2022•  Remote

- Launched DevOps Assessment tool 2.0, with the capability of an interactive terminal, terminal collaboration for Interviews, and scaled further to 500%. - Boosted HackerRank’s DLI to 4.3+ and increased NPS, driving customer growth through HackerRank Projects discovery and improved self-service options. - Led team to deliver Flutter stack. - Added capabilities to assess candidates for AWS, Git, Apache, Terraform, Docker.

Software Development Engineer

HackerRank•  July 2019 - December 2020•  Bengaluru, India

- Enhanced the existing DevOps Assessment tool to handle 900% more concurrent candidate sessions, upgraded environments, and streamlined migrations with automation. - Implemented a script execution service for workspace, utilized for re-scoring and running tests. - Enhanced candidate’s report for Data Science Assessment which was previously lost in case of a large dataset during submission. - Implemented SLA monitoring for HackerRank Projects, setting benchmarks for quality and performance.

Software Development Engineer Intern

HackerRank•  January 2019 - June 2019•  Bengaluru, India

Migrated legacy UI components from Backbone to React, enhancing application scalability and maintainability. Developed UI icons library, automating SVG to React component transformation using SVGR and Gulp. Implemented user’s browser and internet speed detection to check user’s browser compatibility with HackerRank.

Student Developer

Google Summer of Code•  April 2018 - August 2018•  Remote

Participated in coala.io org, focusing on enhancing language-independent static code analysis tool. Improved automated tests using pytest for coala.io, significantly boosting the tool’s reliability and coverage. Developed three new Bears for Ruby and Crystal, leveraging Brakeman, Fasterer, and Ameba to extend coala’s static analysis capabilities.

Research Intern

ACS Lab, IIT Mandi•  November 2017 - January 2018•  Mandi, IN

Developed a landslide early warning system using Arduino and geological sensors to monitor environmental factors. Implemented a predictive model with z-score analysis for soil movement, enabling SMS alerts for community safety in high-risk areas.