Aug 2020 – Jul 2022 · 1 yr 11 mos

• Migrated all the workloads from Heroku to GCP Kubernetes
• Built & managed the entire infrastructure using terraform and kubernetes
• Created a GitOps based workflow for the whole organisation on top of ArgoCD
• Added canary rollout functionality with automatic rollback on bad deployments
• Wrote a kubernetes controller to orchestrate spawnable developer environments
• Made an L7 aware sidecar proxy for rate-limiting, circuit-breaking & observability supporting gRPC & GraphQL with an overhead of less than 3ms

Jul 2019 – Aug 2020 · 1 yr 1 mo · Pune, Maharashtra, India

• Migrated the kubernetes cluster from kops to AWS EKS
• Added Linkerd service mesh for observability & networking performance
• Made a custom scheduler to equally distribute workloads across node groups
• Wrote a disaster recovery pipeline to recreate the production cluster in 30 minutes
• Added a GitOps flow to automate tool updates significantly reducing manual errors
• Built & open-sourced an operator tool to integrate AWS IAM with kubernetes roles

Feb 2017 – Jul 2019 · 2 yrs 5 mos · Gurgaon, India

• Worked on the Search & Discovery team which handled 120K queries/min.
• Rewrote the product indexing pipeline & reduced the total time
• taken from 3 hours to 10 minutes.
• Built an Elasticsearch query builder to abstract away complex query writing.
• Mentored an intern and made a PoC for distributed tracing using Jaeger.
• Migrated the system from Ansible to Kubernetes and built custom tooling
• for automating management of manifests, deployment, configurations & the cluster.
• Led the developer experience team and built an ecosystem that
• allowed anyone to launch their own staging environment in under 5 minutes

Jun 2016 – Aug 2016 · 2 mos · Bangalore

• Wrote the evaluation platform for Regular Expression, File Evaluation &
• Machine Learning Problems.
• Built an auto-scaling system which adds/removes servers by predicting
• the load using forecasting algorithms (Holt-Winters Algorithm).

Dec 2015 – Apr 2016 · 4 mos · Bengaluru Area, India

• Worked on the core platform to build a RESTful API.
• Integrated Elasticsearch as the search backend.
• Implemented a JWT based authentication system.
• Was incharge of devops as well
• Developed numerous features for the advancement of the app
• Tech Stack: Ruby on Rails, PostgreSQL, Elasticsearch

Dec 2015 – Feb 2016 · 2 mos · Mumbai Area, India

• Growth Hacking Stuff

Sep 2015 – Feb 2016 · 5 mos

• Working with Mozilla Security Team on MozDef Platform as a part of Mozilla Winter of
• Security 2015 .
• Created new Virtual Reality Interfaces using three.js to visualize various threat actors and security
• breaches
• Worked on simulating those attacks on the Virtual Reality Interfaces using Elasticsearch and MongoDB.
• Fixed existing bugs in the MozDef Platform.
• Project Home : https://github.com/mozilla/MozDef/
• My Contributions : https://github.com/mozilla/mozdef/commits?author=yashmehrotra
• Tech Stack : MeteorJS, Python, Elasticsearch, MongoDB

Jun 2015 – Jul 2015 · 1 mo · Gurgaon, India

• Castamere : Authored an open-source tool with the aim to add an authentication layer. It was designed to be used with Elasticsearch for testing Elasticsearch servers in
• production. Link: https://github.com/grofers/Castamere
• Wrote API Endpoints for generation of financial reports, growth dashboard and geocoding related
• tasks. Implemented SCD (Slowly Changing Dimensions) Type II for keeping a track of discount coupons
• and their effects.
• CMS : Various bug-fixes and feature additions.
• Integrated Celery for asynchronous task queuing.
• Implemented caching throughout the site with a Redis Backend.
• Integrated Travis CI for lint checking.
• Implemented quality control layer for product checking.
• Implemented SCD Type II for keeping track of changes in product details.
• Analytics : Wrote a system for analyzing the carts of the users by indexing them in an Elasticsearch
• cluster which were fetched through PostgreSQL and used Gearman as an asynchronous task
• processing queue to allow real-time indexing.
• Wrote a Tech blog post about using Gearman and Elastic search to index data realtime:
• http://lambda.grofers.com/2015/07/31/keep-calm-and-index-everything/
• Tech Stack : Python (Django, Flask), NodeJS (Express), PostgreSQL, Elasticsearch, Gearman.

Jun 2014 – Aug 2014 · 2 mos · New Delhi, India

• Integrated Social Login Feature allowing users to signup/login through Facebook and created a
• module to link existing user's account with their Facebook Account. Also wrote a module to track a
• user's Login Frequency (for marketing needs).
• Gallery Downloader: A feature which allowed creative professionals to download their existing
• galleries as zipfiles using the Rackspace API.
• Made a Customer Relationship Management Tool which allowed users to manage and
• communicate with the customers for their websites. With the help of this tool, users could maintain their customers, and respond to them in an improved and efficient way.
• User State Tracking System: A tool which tracked the user's progress on the User's
• Dashboard. Devised an Algorithm which would suggest users various options to improve their Website's Traffic based on their current progress.
• Tech Stack : Python (Django), MySQL, JavaScript(Vanilla JS + JQuery) , PHP