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harsh verma

@harshverma11

Full Stack Developer at Apptware who built a dividend payout product from scratch, including ACH payments and IRS tax reporting.

India

Message

At Apptware, I built a dividend payout product from scratch as its founding engineer, spanning the frontend, backend, and database. I created the NACHA file flow for bank-ready ACH batches and implemented maker-checker approvals for shareholder bank-account changes.

I also integrated Nutshell’s tax-filing API to automate IRS 1042-S filings and shareholder tax statements. When disabling KYC broke tax-form collection and withholding, I fixed the issue with a feature flag that decoupled tax forms from KYC.

Previously, at TEKsystems, I developed a React platform for purchasing electrical products and integrated Three.js for interactive product placement. Across my roles, I’ve built web applications and APIs with React, Node.js, and databases including PostgreSQL and MongoDB.

Experience

Work history, roles, and key accomplishments

SDE 2

Apptware

Sep 2025 - Nov 2026 (1 year 2 months)

Built a dividend payout product from scratch as founding engineer, including frontend, backend, and database. Implemented NACHA file flow, maker-checker approvals, and IRS tax-reporting integration.

Next.js MUI PostgreSQL Drizzle ORM NACHA ACH Wires Maker Checker Form 1042 S Sentry ArgoCD

SDE 2

TEKsystems

Mar 2025 - Jul 2025 (4 months)

Developed a scalable web platform for purchasing electrical products with a responsive UI. Integrated Three.js for interactive 3D product placement and improved performance by 20%.

React HTML5 Material UI ThreeJS NodeJS ExpressJS REST APIs Jest GitHub

SDE 2

Cox & Kings

Jan 2025 - Feb 2025 (1 month)

Designed and developed a corporate dashboard with React frontend and Node.js microservices backend. Implemented authentication, booking, and other domain services with role-based access control.

React NodeJS Microservices MongoDB Authentication Role Based Access Control

SDE 1

TEKsystems

Jul 2023 - Dec 2024 (1 year 5 months)

Developed scalable React applications with Material UI, focusing on modular architecture and reusable components. Reduced API response time by 30% and improved database query efficiency.

React Material UI NodeJS ExpressJS MongoDB Performance Optimization

SDE 1

IDfy

Jan 2023 - Jul 2023 (6 months)

Built product features with React, Node.js, Express.js, and PostgreSQL as part of the core team. Engineered and deployed 10+ reusable UI components and designed APIs that cut load times from 5s to under 2s.

React NodeJS ExpressJS PostgreSQL API Design UI Components

SDE 1

L&T Infotech

Jun 2021 - Jan 2023 (1 year 7 months)

Engineered an application with React, Node.js, JavaScript, and MongoDB serving 5,000+ daily active users, reducing page load times by 40%. Worked across API development, integration, and testing.

React NodeJS JavaScript MongoDB API Development Testing