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At a Glance

Key details about this service to help you decide. Generated by Zinn Hub, not the seller.

What You Get

One bug diagnosed & fixed — PR or patch + written summary
You receive a concrete deliverable: a pull request or patch file with the fix applied, plus a plain-English explanation of what was wrong and what changed — not just a vague pointer in the right direction.

Turnaround

Fixed within 2 days
A 48-hour window keeps things moving if you have a broken form, a build that won't run, or a console error blocking your work. Faster delivery is available — ask in the order chat before placing.

What to Have Ready

Repo access (or zip) + steps to reproduce
The more precisely you can describe what you click, what you expect, and what actually happens — plus any console error text — the faster the seller can get to work. A staging URL is a helpful bonus but not required.

Best For

Taster of the seller's full JS / React / Node.js bug-fix service
This $20 order is a deliberately scoped introduction to the seller's broader service covering JavaScript, TypeScript, React, Next.js and Node.js. It's an ideal first step before committing to a larger or more complex fix — and the seller is upfront about escalating or cancelling cleanly if the problem turns out to be bigger than one bug.

Full Description

I fix bugs in web apps and sites: broken forms and buttons, broken login, layout that fell apart, console errors, a project that stopped building after an update. Stack: JavaScript, TypeScript, Node.js on the server, React and Next.js on the front end, plus plain HTML/CSS/JS. I also work with code that was written in a hurry or generated with AI tools.

Diagnosis and one reproducible bug fixed, delivered as a PR or a patch, plus a written summary of what changed. If my fix doesn't hold, I come back and finish it. No extra charge. If the problem doesn't reproduce from your steps, or the fix turns out to be bigger than what you ordered, I say so before I start and we cancel the order rather than let the clock run.

What I need from you: repository access or a project archive, and the steps to reproduce the problem (what you click, what you expect, what happens instead). A staging URL helps.

Everything runs in writing. On multi-day work you get a written update at the end of each day, and I answer fast. No calls.

Bigger than a bug, or need it sooner? Ask in the order chat and I'll send a custom offer. Faster delivery is double the price.

What you'll get
Diagnosis and one reproducible bug fixed, delivered as a PR or a patch, plus a written summary of what changed.
Examples of this work
Formline: Next.js store with Stripe
Formline: Next.js store with Stripe

A storefront you can click through: 16 posters in 4 collections, filters and search that stay in the URL, a cart, light and dark themes, and a checkout that ends in a demo order or a real Stripe Checkout session in test mode.

View example ↗
Bilingual personal site in Next.js
Bilingual personal site in Next.js

A one-page personal site in English and Russian, with a services section and links to my demo projects. I designed and built it with Next.js, React and TypeScript as a static export, styled with plain CSS Modules and no UI framework.

View example ↗
reqwest-rotate: open-source crate
reqwest-rotate: open-source crate

A small reqwest wrapper for scrapers and API clients that need proxy rotation, per-host rate limiting and retry with backoff, without pulling in a middleware framework. Published on crates.io with docs, CI and tests.

View example ↗
Why this is a Micro Zinn

A Micro Zinn is a small, fixed-price taster or micro service. sopilnik is offering this one for:

Portfolio builderService taster →Quick small job
Looking for the full service?This is a small Micro Zinn taster — see the seller’s complete Zinn for the full scope.
View Full Zinn →

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I Will Fix A Bug In Your Javascript, React Or Node.js Web App — Available On Zinn Hub

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