You will get your Java Spring Boot REST API bugs fixed


Project details
I provide focused backend support for Java Spring Boot applications, especially REST APIs, PostgreSQL issues, bug fixes, and integration problems.
What sets this project apart is that I do not only write code — I investigate the root cause, explain the issue clearly, and deliver a clean, maintainable fix. I can help with API errors, database query issues, validation problems, performance improvements, and backend feature development.
You will receive practical engineering support with clear communication, clean code, and a solution that is easy to understand, test, and maintain.
What sets this project apart is that I do not only write code — I investigate the root cause, explain the issue clearly, and deliver a clean, maintainable fix. I can help with API errors, database query issues, validation problems, performance improvements, and backend feature development.
You will receive practical engineering support with clear communication, clean code, and a solution that is easy to understand, test, and maintain.
Programming Languages
JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$30
|
Standard
$75
|
Advanced
$150
|
|---|---|---|---|
| Delivery Time | 1 day | 3 days | 7 days |
Number of Revisions | 3 | 5 | Unlimited |
Bug Investigation | |||
Fix Documentation | - | - | |
Detailed Code Comments | - |
Optional add-ons
You can add these on the next page.
Additional Revision
+$5
Fix Documentation
(+ 1 Day)
+$5
Detailed Code Comments
+$5About Sashika
Backend Engineer | Java Spring Boot, WebFlux, PostgreSQL, APIs
Mirigama, Sri Lanka - 10:23 am local time
I help clients build, debug, and improve backend services, including API development, database query optimization, integration issues, production bugs, and performance improvements.
My experience includes working on enterprise backend systems, event-driven services, streaming endpoints, SQL/JSONB queries, and production troubleshooting. I focus on writing clean, maintainable code and communicating clearly throughout the project.
Services I can help with:
* Java/Spring Boot REST API development
* Spring WebFlux and reactive backend fixes
* PostgreSQL query and JSONB issue fixing
* Backend bug investigation and debugging
* Microservice integration support
* Docker/Kubernetes troubleshooting basics
* API performance and reliability improvements
I am best suited for clients who need a reliable backend developer to solve practical technical problems and deliver clean, working solutions.
Steps for completing your project
After purchasing the project, send requirements so Sashika can start the project.
Delivery time starts when Sashika receives requirements from you.
Sashika works on your project following the steps below.
Revisions may occur after the delivery date.
Review your requirement
I will review the issue, feature request, codebase details, API examples, logs, and expected outcome.
Set up and reproduce the issue
I will set up the project locally or review the provided code and try to reproduce the issue using the shared steps, API requests, or test data.
