You will get Build or fix a REST API endpoint for your app (Node.js, .NET, Python)
Project details
build production‑ready API endpoints that are clean, reliable, and easy to maintain. Every endpoint includes proper validation, structured error handling, and clear, predictable behaviour. With 15+ years of backend engineering experience across Node.js, .NET Core, and Python, I focus on delivering endpoints that integrate smoothly into your existing system and follow best practices for performance and security.
My approach is simple: understand your requirements clearly, design the endpoint with the right balance of structure and flexibility, and deliver code that works exactly as expected. Whether you need a simple GET endpoint or a more complex flow involving business logic, authentication, or database access, I provide a professional, senior‑level implementation that fits your architecture and avoids unnecessary complexity.
Clients choose this service because it’s fast, dependable, and grounded in real production experience. You get clean code, clear communication, and an endpoint that behaves correctly from day one.
My approach is simple: understand your requirements clearly, design the endpoint with the right balance of structure and flexibility, and deliver code that works exactly as expected. Whether you need a simple GET endpoint or a more complex flow involving business logic, authentication, or database access, I provide a professional, senior‑level implementation that fits your architecture and avoids unnecessary complexity.
Clients choose this service because it’s fast, dependable, and grounded in real production experience. You get clean code, clear communication, and an endpoint that behaves correctly from day one.
Programming Languages
Python, TypeScript, C#Coding Expertise
Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$99
|
Standard
$149
|
Advanced
$199
|
|---|---|---|---|
| Delivery Time | 1 day | 1 day | 3 days |
Number of Revisions | 1 | 1 | 2 |
Number of Pages | 1 | 1 | 1 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$25Frequently asked questions
About James
Senior Full Stack Developer with more than 15 Years Experience
Sydney, Australia - 6:08 pm local time
I started my career in frontend development and grew into a senior backend and full‑stack engineer, giving me a rare ability to understand the entire lifecycle of a system from UI behaviour to backend architecture, APIs, data modelling, and cloud deployment.
Clients hire me when they need:
- complex problems solved quickly
- legacy systems modernised
- APIs designed, built, or integrated
- backend performance improved
- production issues diagnosed and fixed
- a senior engineer who can work independently and deliver from day one
Core strengths
- Backend development (.NET, C#, Web API, SQL Server, Azure)
- Frontend development (JavaScript, TypeScript, HTML, CSS)
- API design & integration
- Cloud solutions (Azure Functions, Azure SQL, App Services)
- Data access (EF, LINQ, ADO.NET, RavenDB)
- System architecture & refactoring
- Debugging and stabilising production systems
If you need a dependable senior developer who communicates clearly, works autonomously, and delivers high‑quality results without hand‑holding, I’m ready to help.
Steps for completing your project
After purchasing the project, send requirements so James can start the project.
Delivery time starts when James receives requirements from you.
James works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Review
I review your endpoint description, confirm any missing details, and make sure the scope is clear before development begins.
Endpoint Design
I outline the structure, inputs, outputs, validation rules, and error‑handling approach to ensure the endpoint behaves predictably