You will get Build a Modern Web Application / SaaS Platform


Project details
I build custom web applications and SaaS platforms that are fast, reliable, and user-friendly. With 5+ years of full-stack experience, I deliver end-to-end solutions from design to deployment, ensuring scalable, secure, and maintainable software that meets your business goals.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$450
|
Standard
$900
|
Advanced
$1,350
|
|---|---|---|---|
| Delivery Time | 10 days | 20 days | 30 days |
Number of Revisions | 2 | 4 | 6 |
Number of Pages | 3 | 6 | 12 |
Design Customization | |||
Content Upload | - | - | |
Responsive Design | - | ||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$560 - $1,687
Additional Revision
+$50
Additional Page
(+ 2 Days)
+$100
Content Upload
(+ 1 Day)
+$50
Responsive Design
(+ 1 Day)
+$100Frequently asked questions
About William Jay
Full Stack Developer
Merida, Philippines - 11:18 pm local time
I specialize in building reliable, high-performance systems—from SaaS platforms and ERP systems to internal tools and APIs—while owning features end-to-end, from architecture to deployment.
What I deliver:
- Modern, responsive frontends using Vue.js, Nuxt.js, TypeScript, and Tailwind CSS
- Secure, scalable backends with Node.js (NestJS, Express) and PHP (Laravel)
- REST & GraphQL APIs with authentication, authorization, and integrations
- Optimized databases using PostgreSQL and MySQL
- Production deployments using Docker, AWS, CI/CD, and Linux servers
How I work:
- Clean, maintainable, and well-documented code
- Strong focus on performance, security, and scalability
- Test-driven development using Playwright, Cypress, Vitest, and Pest
- Clear communication, predictable timelines, and proactive updates
Proven experience with:
- SaaS platforms, ERP systems, POS systems, and government applications
- End-to-end development lifecycle: planning, development, testing, deployment, and UAT
- Tech Stack: JavaScript, TypeScript, Vue.js, Nuxt.js, Node.js, Laravel, PostgreSQL, MySQL, Docker, AWS, REST, GraphQL
If you’re looking for a developer who delivers quality, takes ownership, and thinks beyond just code, let’s connect.
Steps for completing your project
After purchasing the project, send requirements so William Jay can start the project.
Delivery time starts when William Jay receives requirements from you.
William Jay works on your project following the steps below.
Revisions may occur after the delivery date.
Project planning
I review requirements and create a plan.
Development
I build the frontend, backend, database, and features, keeping you updated in the workroom.






