You will get fix for Spring Boot REST API errors and backend issues


Project details
I will help you quickly fix backend and REST API issues in your Java Spring Boot application. With hands-on experience in microservices, SQL, API debugging, and production support, I deliver clean, reliable solutions that improve stability and performance.
Whether you're facing 500 errors, validation problems, mapping issues, slow database queries, or microservice communication failures, I provide a clear root-cause analysis and implement a clean, maintainable fix. My approach focuses on quality, transparency, and timely delivery.
You’ll receive professional code updates, issue explanations, and tested results. I ensure your APIs work smoothly and your backend runs reliably so you can move forward with confidence.
Whether you're facing 500 errors, validation problems, mapping issues, slow database queries, or microservice communication failures, I provide a clear root-cause analysis and implement a clean, maintainable fix. My approach focuses on quality, transparency, and timely delivery.
You’ll receive professional code updates, issue explanations, and tested results. I ensure your APIs work smoothly and your backend runs reliably so you can move forward with confidence.
Programming Languages
JavaCoding Expertise
Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$30
|
Standard
$55
|
Advanced
$90
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Frequently asked questions
About Daddala
Java | Spring Boot | Microservices Developer|SQL | REST API Specialist
Bengaluru, India - 3:09 am local time
🔧 What I Can Help You With
Fixing backend/API errors (500, CORS, validation, mapping issues)
Building REST APIs using Spring Boot 3.x
Developing microservices with clean, modular architecture
Optimizing slow SQL queries & improving database performance
Integrating third-party APIs (SMS, email, payment, etc.)
Implementing secure SFTP file upload/download modules
Writing unit tests with JUnit & Mockito
Dockerizing Spring Boot applications
Kafka/ActiveMQ based event-driven processing
Deploying applications on AWS (EC2/RDS)
💡 Why Clients Work With Me
Clear communication & professional approach
Fast turnaround time
Clean, maintainable code
Strong debugging & problem-solving skills
Enterprise-level backend experience (confidential)
100% reliability — I deliver what I promise
If you need API development, bug fixing, integrations, microservices, or backend troubleshooting, I’m here to help.
Let’s work together to build something reliable and scalable.
Steps for completing your project
After purchasing the project, send requirements so Daddala can start the project.
Delivery time starts when Daddala receives requirements from you.
Daddala works on your project following the steps below.
Revisions may occur after the delivery date.
Step 1: Review Requirements
issue description, logs, and code module shared by you will be reviewed
Step 2: Reproduce the Issue
I run the project or module locally to replicate the problem.



