Browse categories
Explore
Fiverr Pro
English
$
USD
Micheal
@evolver4u
Backend Engineer Stripe and Paystack Payment Integrations
Nigeria
English
About me
Hi, I'm Micheal, a Backend Engineer with 3+ years building secure, high-performance systems — including multi-tenant billing for government revenue platforms and healthcare apps. I design fault-tolerant APIs, integrate payment gateways (Paystack, Stripe), build RBAC access control, and ensure 99.9% uptime. Whether you need a NestJS backend from scratch, async workflows with RabbitMQ/Redis, or database optimization, I deliver clean, scalable, production-ready code. Let's build a backend that scales with your business. Message me to discuss your project!
Skills
Micheal
Offline •
See my services
Bug Fixes
I will fix backend bugs and optimize node js nestjs apis
Full Stack Web Applications
I will build a saas backend in nestjs with payments and subscriptions
Portfolio
Work experience
Senior Backend Engineer / Independent Consultant
Upwork • Freelance
Dec 2022 - Present • 3 yrs 9 mos
Delivered 15+ backend engineering contracts for startups and small businesses, architecting REST APIs and database schemas in NestJS/TypeScript and PostgreSQL. Reduced client time-to-launch by 30% through reusable auth/RBAC modules and MVP-ready architecture. Cut post-launch bugs by 25% via modular, testable service layers and OpenAPI 3.1 contract standards. Maintained a 4.9-star rating across 20+ completed projects with clear documentation and handoff support.
2 Reviews
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-2 out of 2 Reviews
Sort By
Most relevant
quatumsparktech
Pakistan
He did an Absolutely exceptional work. They didn't just write code; they optimized the entire logic of our backend. The integration was seamless, the documentation was clear, and they handled complex edge cases I hadn't even considered. Professional, communicative, and highly skilled. Will definitely be a long-term partner for our scaling needs!
Seller's Response
Helpful?
adrelinapaul
Germany
Great experience working with this seller. Delivered the Node.js backend on time, followed all requirements, and maintained clear communication throughout. Will definitely order again.
Helpful?
