You will get I will fix your broken API, Excel, or Google Sheets automation

Taeeun L.Status: Offline
Taeeun L. Taeeun L.
Rising Talent

Let a pro handle the details

Buy Scripting services from Taeeun, priced and ready to go.
Taeeun L.Status: Offline
Taeeun L. Taeeun L.
Rising Talent

Let a pro handle the details

Buy Scripting services from Taeeun, priced and ready to go.

Project details

Is your API, Excel, CSV, or Google Sheets workflow failing, skipping rows, creating duplicates, or stopping before the final output is created?

I help fix broken data and automation workflows so you can get a clean result instead of guessing what failed.

I can help with API errors, 429 / too many requests, timeout issues, skipped rows, duplicate records, wrong field mapping, broken Google Sheets workflows, Excel or CSV export problems, missing output rows, and workflows that stop in the middle.

Depending on the package, I can add retry or delay handling, failed-row logs, error reports, duplicate checks, clean CSV or Excel output, and simple run notes.

I do not bypass API limits or restrictions. I build controlled workflows that respect rate limits, retry safely, save progress where needed, and make failures visible.

I do not provide paid API subscriptions. The client must provide valid API access, API documentation, sample files, and any required credentials after the contract starts.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Performance Optimization, Security
What's included
Service Tiers Starter
$40
Standard
$120
Advanced
$240
Delivery Time 1 day 2 days 4 days
Number of Revisions
112
Install Script
-
Test Script
Task Automation
-

Frequently asked questions

Taeeun L.Status: Offline

About Taeeun

Taeeun L.Status: Offline
AI-Built App & Automation Fixer | Next.js, Supabase, Python
Hwaseong-si, South Korea - 5:06 am local time
I help clients fix unfinished or broken web apps and data automation workflows, including projects created with AI tools such as Cursor, Claude, Lovable, Bolt, or Replit.

I can inspect an existing codebase, reproduce the issue, identify the smallest reliable fix, test the affected workflow, and help get the project running and deployed.

I can help with:

• React and Next.js bug fixing
• Supabase authentication and database issues
• Vercel and Netlify deployment problems
• API integration and failed API workflows
• Broken forms, buttons, routes, and data saving
• CSV, Excel, and Google Sheets automation
• Skipped rows, duplicate records, and incorrect mappings
• Python scripts and Streamlit dashboards
• SQLite and CSV logging workflows
• Data validation, exports, and error reports

Recent projects:

CampaignGate — Built a full-stack Next.js and Supabase workflow application with authentication, CSV upload and validation, client review links, approval tracking, admin dashboards, approved-only exports, PDF/CSV/XLSX reports, webhook delivery, and production deployment.

QuantFlow Class A and Class AA — Built Python-based analytics and monitoring tools using Streamlit, SQLite, CSV logging, API data collection, scoring logic, dashboards, and result reporting.

My process:

1. Review the existing project and reported issue
2. Reproduce the problem
3. Agree on a clear and limited scope
4. Implement the smallest reliable fix
5. Test the affected workflow
6. Provide clear notes on what changed

I use AI-assisted development where it improves speed, but I personally review, debug, test, and verify the final result.

I communicate clearly through Upwork messages and can provide regular progress updates for asynchronous projects.

Steps for completing your project

After purchasing the project, send requirements so Taeeun can start the project.

Delivery time starts when Taeeun receives requirements from you.

Taeeun works on your project following the steps below.

Revisions may occur after the delivery date.

Review and diagnose

I review your requirements, sample files, screenshots, error messages, and expected final output to identify the failing point.

Repair the workflow

I fix the workflow by addressing issues such as API errors, skipped rows, wrong mapping, duplicate records, timeout issues, or missing output.

Review the work, release payment, and leave feedback to Taeeun.