You will get a REST API with Node.js and TypeScript

Project details
I will build a REST API that works in production, not just on
localhost.
Using Node.js, TypeScript, and Express, I deliver clean
architecture, JWT authentication, PostgreSQL or MongoDB, and full
Swagger documentation. I have shipped 3 production products used
by real people. You get working, documented, deployed code.
localhost.
Using Node.js, TypeScript, and Express, I deliver clean
architecture, JWT authentication, PostgreSQL or MongoDB, and full
Swagger documentation. I have shipped 3 production products used
by real people. You get working, documented, deployed code.
Programming Languages
JavaScript, TypeScriptCoding Expertise
Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$120
|
Standard
$250
|
Advanced
$450
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 15 days |
Number of Revisions | 2 | 3 | 5 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$40 - $100
Additional Revision
+$25Frequently asked questions
About Nonfon
Node.js & TypeScript Backend Developer | REST APIs | SaaS | PostgreSQL
Accra, Ghana - 8:06 am local time
but real products used by real people, every day.
I'm Sonagnon Yaji NONFON, a backend developer based in Accra, Ghana. I've delivered
3 production-ready products as sole developer:
→ Mp Recharge: mobile-first deposit and withdrawal platform.
Role-based access, payment gateway integration, React Native APK.
100+ active users. 100% automated, client went from 3hrs/day
of manual work to zero.
→ EyadigitalBilling: complete billing SaaS for freelancers.
Locked workflow (Quote → Contract → Invoice → Receipt),
PDF generation, JWT auth, Swagger docs. Used daily in production.
→ Stockwise: order & inventory tool for WhatsApp sellers in
West Africa. Google OAuth, 3-layer stock logic, PDF/Excel export,
Sentry monitoring.
My stack:
Node.js · TypeScript · Express.js · PostgreSQL · MongoDB · Prisma ·
Next.js · React Native · Tailwind CSS · Docker
What you can expect:
✔ Production-ready code, DDD architecture, clean and documented
✔ Full-cycle delivery: from 0 to deployed product
✔ Clear communication, on-time delivery, no surprises
✔ Swagger docs, monitoring, security baked in by default
"He built the entire Mp Recharge platform from scratch, robust,
fully functional, on time. Yaji is the person you need." — Elias S.
If you need a backend built right the first time, let's talk.
Steps for completing your project
After purchasing the project, send requirements so Nonfon can start the project.
Delivery time starts when Nonfon receives requirements from you.
Nonfon works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements review & scope confirmation
I review your requirements and ask clarifying questions within 24 hours to confirm scope, stack, and delivery timeline.
Development & testing
I build and test all endpoints with Postman, following clean architecture principles. You get regular updates in the workroom.