You will get Fix 500 Errors, Crashes & Critical Backend Bugs (PHP / Node)


Project details
Production down? API returning 500? Something mysteriously exploding? I specialize in diagnosing and fixing backend failures fast.
Programming Languages
PHPWhat's included
| Service Tiers |
Starter
$49
|
Standard
$199
|
Advanced
$449
|
|---|---|---|---|
| Delivery Time | 3 days | 3 days | 3 days |
Number of Revisions | 0 | 0 | 3 |
Bug Investigation | |||
Fix Documentation | - | ||
Detailed Code Comments | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$15 - $199About Vaibhav
Senior Full-Stack Developer | Building Secure, Scalable Web Apps
Mohali, India - 9:30 am local time
⏱️ Available to start immediately
🛠️ What I Help With
• 🧱 Building backend systems from scratch
• ⚡ Solving performance, concurrency & data consistency issues
• 📡 Designing APIs & data models that scale safely
• 🔧 Refactoring legacy systems without breaking business logic
• 👀 Improving observability & failure handling
💡 Technical Expertise
🧩 Backend
PHP (Symfony, Laravel, Doctrine, Core PHP)
Node.js (Express, NestJS)
Go
Microservices
Networking (TCP/IP)
OpenSearch / Elasticsearch
🎨 Frontend
React
TypeScript
Remix.js / Next.js
React Native
Tailwind
Advanced CSS / SCSS
Vite
🗄️ Databases
PostgreSQL (schema design, indexing, partitioning, performance tuning)
MySQL
AWS RDS
MongoDB
⚙️ Systems & Engineering Skills
Event-driven architectures
Background workers & async processing
Queues (SQS, DLQ, RabbitMQ)
Kinesis streaming
CI/CD Pipelines
Docker & Linux
Crons, EC2, ECS
Cloud-aware backend design (AWS)
Git (GitHub / GitLab / Bitbucket)
Documentation (Jira / Notion)
If your platform/web apps needs to scale cleanly or stop breaking in unexpected ways, that’s exactly the kind of work I do.
Steps for completing your project
After purchasing the project, send requirements so Vaibhav can start the project.
Delivery time starts when Vaibhav receives requirements from you.
Vaibhav works on your project following the steps below.
Revisions may occur after the delivery date.
Issue analysis & reproduction
Review logs, configs, and attempt to reproduce the failure.
Root cause identification
Trace error source across code, DB, server, dependencies.