
Micheal
Backend Engineer Stripe and Paystack Payment Integrations
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Portfólio
Experiência profissional
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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Classificação detalhada
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- Qualidade da entrega
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Ordenar por

quatumsparktech

Paquistão
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!
Resposta do freelancer

adrelinapaul

Alemanha
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.
