Backend Performance Tuning: SQL/NoSQL Query Optimization & API Diagnostics (Java / .NET)

Posted yesterday

Worldwide

Summary

We need a developer to improve backend performance for an existing application by optimizing database queries and diagnosing API bottlenecks. The work includes analyzing slow queries, identifying inefficient data access patterns, and recommending practical improvements to reduce response times and improve reliability. You should be comfortable working with both SQL and NoSQL systems and be able to document findings clearly. This is a part-time project for someone who can quickly assess performance issues and help implement measurable improvements.

$100.00
Fixed-price
Intermediate
Experience Level
Remote Job
Ongoing project
Project Type

Skills and Expertise

Mandatory skills

MySQL

PHP

Entity Framework

Nice-to-have skills

Java

JavaScript

Activity on this job

Proposals:20 to 50
Last viewed by client:yesterday
Hires:
1
Interviewing:
0
Invites sent:
0
Unanswered invites:
0

About the client

Member since Apr 23, 2026

Australia
Perth9:12 PM
$3.4K total spent
165 hires, 15 active
63 hours

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