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Fiverr Pro
Nederlands
$
USD
Micheal
@evolver4u
Backend Engineer Stripe and Paystack Payment Integrations
Nigeria
Engels
Over mij
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 •
Bekijk mijn diensten
Bugfixes
I will fix backend bugs and optimize node js nestjs apis
Full stack webapplicaties
I will build a saas backend in nestjs with payments and subscriptions
Portfolio
Werkervaring
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.
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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!
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adrelinapaul
Duitsland
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.
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