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syed_alizafar

Syed Ali Zafar

@syed_alizafar

Senior Backend Engineer APIs, Webhooks and SaaS Reliability

Pakistan
Engels, Urdu, Hindi
Sommige informatie wordt in het Engels weergegeven.
Over mij
I help SaaS teams diagnose and repair APIs, payments, authentication, data workflows, background jobs, and production failures. My core stack includes TypeScript, JavaScript, Node.js, NestJS, Express, Next.js, PostgreSQL, Supabase, Stripe, AWS, and Docker. I’m comfortable working in inherited codebases, tracing issues across logs and services, and delivering focused changes with tests, useful logging, and a clear handoff. I have worked on healthcare integrations, scientific-data workflows, fintech event processing, and compliance systems. I personally scope and deliver every project. ... Lees meer

Skills

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syed_alizafar
Syed Ali Zafar
offline • 

Bekijk mijn diensten

API en integraties
I will fix webhook failures in your nodejs saas
VanafUS$ 250 / projectMeer informatie
AI chatbot development
I will fix rag chatbot errors and unreliable answers in your saas
VanafUS$ 250 / projectMeer informatie

Portfolio

Werkervaring

Upwork

Senior Backend Developer | Node.js, NestJS, TypeScript, AWS

Upwork • ZZP

Aug 2025 - Present • 1 yr

built and stabilize Node.js/NestJS backends for SaaS products APIs, payments, authentication, webhooks, queues and PostgreSQL workflows. My recent work From Upwork includes healthcare data pipelines and multi tenant compliance systems.