Adarsh Tiwari

Full-Stack Engineer

Ashoknagar, Madhya Pradesh, India

🟢Aping In

Founding engineer and full-stack developer with experience in React, Next.js, Node.js, and Spring Boot. Open-source contributor with $10,000 in bounties from Flexile and top contributor to Mail0 (YC S25). Built scalable trading applications, admin panels, and collaborative tools.

Work Preferences

Salary

USD 24,000 – 100,000

Skills

Express.js10/10

PostgreSQL10/10

Postman10/10

React.js10/10

REST API Development10/10

Stripe Integration (10/10)TypeScript (10/10)WebSockets (10/10)JavaScript (10/10)MongoDB (10/10)Next.js (10/10)Node.js (10/10)Playwright (10/10)React Query (8/10)Tailwind CSS (8/10)Redis (8/10)Swagger (8/10)Spring Boot (6/10)Java (6/10)Framer Motion (6/10)

Work Experience

Founding Engineer

Usuals

Feb 2026 — Present

Integrated Stripe payment gateway. Developed the whole credit estimation and deduction system. Developed a curated admin panel.

Full-Stack Engineer

Antiwork

Jun 2025 — Sept 2025

Improved user management in the database for better scalability. Built multi-team and team management features. Wrote end-to-end tests using Playwright.

Full-Stack Engineer

Hefty Innovations

Oct 2024 — Dec 2024

Built responsive UI components with optimized performance across devices. Developed scalable frontend using Next.js, React, Tailwind, and Framer Motion (10k+ users). Integrated REST APIs with backend, using Swagger for testing and documentation.