Feb 2025 – Feb 2025 · 0 mo · Remote

• Primarily contributed the new Verifiable API to Helios, Ethereum light client in Rust.
• And overhauled the execution module, making me the 2nd top most contributor.
• https://github.com/a16z/helios

Apr 2024 – Jan 2025 · 9 mos · Remote

• SDK for building micro-rollups secured by Ethereum. Checkout: https://stackrlabs.xyz
• As a founding engineer, I contributed across the stack:
• Rollup blockchain framework with custom execution environments (TypeScript)
• WASM compilation pipeline (TypeScript)
• Network layer with a Wasm runtime, connects to Ethereum, Layer 2 EVM chains and Data Availability layers like Celestia, Avail (Go)
• SP1-based ZK-proofs (Rust)
• Rollup settlement and L1<->L2 bridging smart contracts (Solidity)

Apr 2023 – Mar 2024 · 11 mos · Bengaluru, Karnataka, India · On-site

Mar 2022 – Mar 2023 · 1 yr · Bengaluru, Karnataka, India · On-site

• Backend, Product Engineering Team.
• Tech: Python, Django, GraphQL, PostgreSQL, Redis, Celery.
• Maintain the primary monolith backend service written in Django that is responsible for all things DeepSource backend.
• DRI for DeepSource code coverage, metrics, RBAC, SAML, SCIM, and audit log features.
• Implement on-premise as well as multi tenant SAML SSO and SCIM provisioning.
• Design complex database schemas for tables with billions of rows of data.
• Query optimization. Fix a bunch of N+1 query problems in our GraphQL API.
• Implement a RBAC system in DeepSource akin to GitHub's with syncing capabilities.
• Implement a webhook relay and retry service using Starlette and Redis.
• Write deep integrations with GitHub, GitLab, BitBucket and Azure DevOps Services APIs.

Feb 2021 – Feb 2022 · 1 yr · Remote

• Software Developer in Threat Intelligence R&D team.
• Techstack: Python (django, django-rest-framework, celery, etc), JavaScript (react.js, axios, bootstrap), Docker, Nginx.
• Projects:
• Dragonfly:
• An automated sandbox to emulate and analyze malware.
• Was solely responsible for the system design of the entire SaaS platform (database, REST API, UI).
• IntelOwl:
• Open-source threat intelligence data aggregator tool.
• I was/am still the principal maintainer of this project.
• Certego-ui:
• Design framework and components library built over React.js and reactstrap.
• Certego-saas:
• Python package consisting of common and re-usable django apps required by all of certego's SaaS products.

Sep 2020 – Dec 2020 · 3 mos

• Ownership of search and CDN services.
• Deploy crontabs for syncing mySQL with Elasticsearch (bulk optimization), design complex ES queries using scoring and scripting. (golang)
• Content Delivery Network (CDN) service with Just-In-Time image, video transformation, HTTP Live Streaming (HLS) capabilities. (node.js)
• Created an API that accepts AWS Elastic Load Balancer logs as a compressed file, parses the log lines into meaningful JSON and batch indices them into Elasticsearch. (golang/gin)
• Pentest services and APIs for security bugs and help patch them.

May 2020 – Aug 2020 · 3 mos

• GSoC 2020 under The Honeynet Project.
• Worked on IntelOwl, an OSINT tool that aggregates threat intelligence data for a malware or observable by querying many different analyzers and services that are externally available.
• Techstack: Django, DRF, Flask, Angular 9, Celery, Docker.
• Was promoted to principal maintainer of the project post-GSoC and a fulltime member at The Honeynet Project as well.
• IntelOwl: https://github.com/intelowlproject/IntelOwl

Oct 2019 – Feb 2020 · 4 mos

• WPSec.com is an online security scanner for WordPress
• vulnerabilities.
• As a security content writer, I would research about new
• vulnerabilities in WordPress and WP plugins and publish high
• quality detailed writeups on them.
• List of blog-posts: https://eshaan7.github.io/blog/tags/#paid-writing-gig

Aug 2019 – Oct 2019 · 2 mos · New Delhi Area, India

• Fullstack Web Intern @ https://posify.in/
• Tech stack: Flask, Python, Angular 7/8, Ionic Framework.
• Worked on a Point Of Sale (POS) system(used Angular 8, Nebular, ngx-admin)
• Developed an e-commerce food delivery PWA in Ionic(Angular) with Firebase backend. Available @ Order.posify.in
• Writing APIs in Flask, celery tasks, defining complex models using SQLAlchemy
• Used PostgreSQL, Redis, Elasticsearch with Flask.

Apr 2019 – Apr 2019 · 0 mo

• *Acknowledged by Visier.com for Responsible Disclosure: https://trust.visier.com/security-nods.txt

Oct 2018 – Oct 2018 · 0 mo · New Delhi Area, India

• Abs0lut3Pwn4g3 is a group of developers and passionate hackers. We participate in (and conduct) Capture The Flag Competitions.
• Ranked under #10 in India and under #100 globally on CTFtime.org
• Solely designed and deployed team website.
• Actively Participating and conducting various CTFs
• Publishing CTF writeups @ https://Abs0lut3Pwn4g3.tk/writeups