You will get 1 bug or failing test fixed fast in NodeJS, NestJS, React or Python

5.0

Let a pro handle the details

Buy Web Application Programming services from Frank-Dieter, priced and ready to go.
5.0

Let a pro handle the details

Buy Web Application Programming services from Frank-Dieter, priced and ready to go.

Project details

A bug or failing test is blocking your progress? I fix one targeted issue in your NodeJS, NestJS, React, Next.js, Python, FastAPI or Django codebase. You get a clean fix, a clear explanation, and stability without big rewrites or surprises. Perfect for urgent blockers and ongoing work later if needed.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Localization
What's included
Service Tiers Starter
$95
Standard
$195
Advanced
$395
Delivery Time 1 day 2 days 3 days
Number of Revisions
012
Design Customization
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Content Upload
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Responsive Design
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Source Code
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Optional add-ons You can add these on the next page.
Additional Revision
+$20

Frequently asked questions

5.0
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FK

Friso K.
5.00
Jun 3, 2025
AI Software Engineering Trial Project – JavaScript / Node.js / Python Professional, clear communication and fantastic coding skills resulting in an excellent delivery of a very elegant AI solution. Looking forward to working with you again!
Frank-Dieter S.Status: Offline

About Frank-Dieter

Frank-Dieter S.Status: Offline
Chaos-to-Clarity Engineer: Cross-Continent Legacy & Scalable Systems
5.0  (1 review)
Hannover, Germany - 11:28 pm local time
Chaos-to-Clarity Full-Stack Developer
I rescue businesses drowning in technical debt. My specialty? Turning fragmented legacy systems, cross-continent tech chaos, and untapped AI potential into scalable solutions.

What I Do Best
🛠️ Legacy System Modernization: Rebuild brittle codebases (C++, Pascal, .NET) into modern architectures (Node.js, NestJS, CUDA) – like slashing a 7-day image generator runtime to 12x faster.

🌍 Cross-Continent Technical Leadership: From Berlin to Bangkok, I unify multinational teams and systems. Recent work includes TripAdvisor-compliant APIs (200+ RPS) and IoT smart cities (flood alerts, sensor pipelines).

🤖 AI-Powered Development
Built tools leveraging ChatGPT Vision to auto-generate SEO-optimized content for Instagram/Pinterest, cutting creation time by 80%. Specialize in customizing outputs for platform algorithms (e.g., Pinterest’s visual SEO, Instagram engagement hacks).

🚀 Scalable Microservices
Architect APIs (NestJS, FastAPI) handling 500k+ daily requests with 99.99% uptime – because downtime isn’t an option.

Why Clients Choose Me
🔧 Fixer Mentality
I thrive where others stall. Example: Salvaged a failing 5G smart city project via Terraform/Ansible automation (5-minute deployments).

📖 Clean Code Evangelist
Systems ship with (Git-managed) docs, reducing onboarding by 30%. Bugs drop by 25% – and stay fixed.

💬 Platform-Specific AI Mastery
Specialize in customizing outputs for social algorithms (e.g., Pinterest's visual SEO, Instagram engagement hacks).

Let’s Build Something Unbreakable
If your project involves untangling chaos, scaling sustainably, or bridging continents – let’s talk.

Steps for completing your project

After purchasing the project, send requirements so Frank-Dieter can start the project.

Delivery time starts when Frank-Dieter receives requirements from you.

Frank-Dieter works on your project following the steps below.

Revisions may occur after the delivery date.

Review issue details and reproduction steps

I verify I understand the problem and confirm any missing information.

Run the project and reproduce the issue

I replicate the bug locally or in the provided environment.

Review the work, release payment, and leave feedback to Frank-Dieter.