Yousif Alshammari

Hi, I'm

Yousif Alshammari

I build products
people use.

Full-stack developer and entrepreneur from Fredericksburg, VA. I design, build, and ship production SaaS platforms — from fintech and tax software to automotive marketplaces. Currently building four live products serving real businesses and customers.

My Products

Products I Founded & Built

SaaS platforms I own and operate — designed, developed, and shipped from scratch.

VaultLedge

vaultledge.com

Live

All-in-one business finance platform. Payroll with direct deposit, invoicing, double-entry accounting, and AI-powered transaction categorization. Bank connections via Plaid, Stripe payments, and multi-state tax support.

Next.js React TypeScript Supabase Stripe Plaid Claude AI
Visit Site

FinishTax

finish.tax

Live

Client management SaaS for tax preparers. Secure document intake via embeddable website widgets, client portals, workflow pipelines, invoicing, e-signatures, and team management. Built to replace Canopy and TaxDome at a fraction of the cost.

Node.js Express PostgreSQL Supabase Stripe Twilio
Visit Site

Client Work

Websites I Built & Manage

Production websites I developed and continue to maintain for local businesses.

MixCars

mixcars.net

Client

Full-featured used car dealership platform with dynamic inventory management, vehicle comparison tools, smart deal badges, online financing pre-approval, and multi-language support (English, Spanish, Arabic).

Next.js React TypeScript Tailwind CSS i18n
Visit Site

Timeless Tax & Accounting

timelesstax.com

Client

Professional services website for a tax and accounting firm. Features online booking, client testimonials, service showcase, notary services, and a modern glassmorphism design with scroll-triggered animations.

HTML/CSS/JS Schema.org SEO Vercel
Visit Site

Expertise

Tech Stack

Technologies I use daily across my production applications.

Frontend

React / Next.js Primary
TypeScript Primary
Tailwind CSS Primary
HTML / CSS / JavaScript

Backend & Data

Node.js / Express Primary
PostgreSQL / Supabase Primary
REST APIs
Row-Level Security

Integrations & Tools

Stripe / Plaid
Claude AI / Anthropic API
Vercel / Git
Twilio / Resend
Playwright / Vitest
PDF Generation E-Signatures Payment Processing Bank Integrations Multi-Language (i18n) SEO & Schema.org Encryption (AES-256) Payroll Systems Fluent in Arabic

Experience

What I Do

4

Live Products

8+

Years Building

Self

Taught

Founder & Developer

2025 – Present

VaultLedge

Built a full-stack fintech platform from scratch — payroll, invoicing, accounting, AI categorization. Integrated Stripe, Plaid, and Claude AI. Serving real businesses.

Founder & Developer

2025 – Present

FinishTax

Designed and built a client management SaaS for tax professionals. Secure document intake, client portals, workflow automation, and team collaboration tools.

Freelance Web Developer

2020 – Present

Timeless Tax

Built and manage the production website for a local tax and accounting firm. Online booking, SEO, and ongoing maintenance.

Freelance Web Developer

2018 – Present

MixCars

Built and manage the web platform for a used car dealership. Inventory management, vehicle comparison tools, multi-language support, and conversion-focused design.

Contact

Let's Work Together

Whether you're looking for a developer, have a project in mind, or just want to connect — I'd love to hear from you.