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Adnan Sadar

@adnansadar

Message

I build investment research and assessment platforms across React, TypeScript, Node.js, and mobile.

India

Message

At Investors Engine, I build an investment research platform for 10,000+ US stocks, including historical ratios, advanced charting, portfolios, watchlist notifications, and cross-platform mobile features for iOS and Android.

Previously at LitmusBlox, I led five developers delivering PeopleBlox and built end-to-end features with React, Node.js, Express, PostgreSQL, and Prisma. I also improved cached API usage by 30%, mentored interns, and developed testing automation for recruitment workflows.

Experience

Work history, roles, and key accomplishments

Current

Lead Frontend Engineer

Current

Investors Engine

Feb 2025 - Present (1 year 7 months)

Built a TypeScript-based investment research platform with financial data for 10,000+ US stocks, historical ratios, and advanced charting tools. Architected the frontend codebase from scratch, led Tailwind CSS migration, and developed backend APIs and cross-platform mobile features.

TypeScript React React Native Tailwind WebSockets Firebase Cloud Messaging NodeJS Express PostgreSQL API Development Code Splitting Design Systems

Senior Software Engineer

LitmusBlox

Jun 2022 - May 2024 (1 year 11 months)

Led a team of 5 developers to design and deliver PeopleBlox, a competency assessment tool, reducing employee evaluation time significantly. Collaborated with management to enhance workflow efficiency by 25% and architected software solutions and tech stack for the product.

Redux RTK Query Redux toolkit NodeJS Express PostgreSQL Prisma Team Leadership Sprint Management Mentorship

Software Engineer Intern (Full-Time)

LitmusBlox

Aug 2021 - May 2022 (9 months)

Developed frontend for an employee assessment Chatbot Application with React.js, Redux, Bootstrap, and vanilla JS, reducing load time by 15%. Enhanced the company's recruitment platform by building an automated candidate screening process in React and wrote E2E tests in Cypress.

React Redux Bootstrap JavaScript Cypress E2E Testing Frontend Development