You will get SQL Query Development & Business Logic Implementation
Rising Talent
Project details
I specialize in building clean, high-performance SQL queries and accurate business logic that power real-world applications and reports.
Unlike generic SQL work, I focus on understanding your business rules first, then translating them into efficient, scalable queries that deliver correct results and perform well under load. Whether it’s complex joins, conditional logic, reporting queries, or performance optimization, my approach ensures your data works reliably and efficiently.
You’ll receive tested, readable SQL, optimized for performance and designed to be easily maintained or extended as your system grows.
Unlike generic SQL work, I focus on understanding your business rules first, then translating them into efficient, scalable queries that deliver correct results and perform well under load. Whether it’s complex joins, conditional logic, reporting queries, or performance optimization, my approach ensures your data works reliably and efficiently.
You’ll receive tested, readable SQL, optimized for performance and designed to be easily maintained or extended as your system grows.
Database Type
MySQL, MS SQL, Oracle, PostgreSQL, MongoDBWhat's included
| Service Tiers |
Starter
$25
|
Standard
$45
|
Advanced
$65
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 3 days |
Number of Revisions | 1 | 2 | 2 |
Number of Queries | 1 | 1 | 2 |
Query Debugging | - | ||
Query Optimization | - | - | |
Query Scheduling | - | - | - |
Query Analysis | |||
Source Code |
Frequently asked questions
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CD
Chris D.
Feb 16, 2026
Data Engineering Content Writer for Technical Blog from APAC
Got the job done.
WM
Will M.
Feb 1, 2026
Android App Beta Testers Needed
Great work
About Vishnu
Senior Application Support & Data Engineering Specialist
100%
Job Success
Kerala, India - 4:09 am local time
I help businesses stabilize their pipelines, resolve production issues fast, improve system performance, and build reliable data solutions that scale.
What I Do Best
ETL / ELT pipeline development, debugging, and optimization
AWS Redshift administration, performance tuning & automation
Application & production support with fast incident resolution
CI/CD pipeline maintenance and deployment operations
Root-cause analysis & incident prevention strategies
Data reporting, BI support, and dashboard creation
Log monitoring, alerting, and failure recovery mechanisms
Cross-team collaboration to deliver business-critical solutions efficiently
What You Can Expect From Me
Clear and consistent communication
Reliable, fast, and high-quality execution
Deep ownership of issues until fully resolved
Proactive improvements—not just fixes
Strong understanding of both technical and business requirements
Tech Stack
AWS Redshift, AWS Services, PL/SQL, SQL, ETL/ELT, Oracle Data Integrator (ODI), CI/CD pipelines, Quicksight, Monitoring & Alerting tools, Git, Linux, JavaScript, Manual Testing, Ticketing Systems.
Whether you need pipeline stabilization, data engineering support, AWS Redshift expertise, or end-to-end application support, I can help you build trustworthy, high-performing systems that operate smoothly and efficiently.
If you’re looking for someone who can take full ownership, reduce your operational load, and deliver measurable improvements—let’s work together.
Steps for completing your project
After purchasing the project, send requirements so Vishnu can start the project.
Delivery time starts when Vishnu receives requirements from you.
Vishnu works on your project following the steps below.
Revisions may occur after the delivery date.
Review Requirements & Business Logic
I carefully review your database structure, requirements, and expected outcomes to fully understand the business rules and use case.
Develop & Optimize SQL Queries
I write clean, efficient SQL queries and implement the required business logic, ensuring accuracy and performance.