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Sql Query Optimization Engineer Jobs (NOW HIRING)

REI Systems

Database Developer (SQL)

Sterling, VA · On-site +1

Perform SQL query tuning and database performance optimization. * Analyze execution plans and ... Collaborate with application developers, DBAs, analysts, and QA engineers. * Troubleshoot ...

REI Systems

Database Developer (SQL)

Sterling, VA · On-site +1

Perform SQL query tuning and database performance optimization. * Analyze execution plans and ... Collaborate with application developers, DBAs, analysts, and QA engineers. * Troubleshoot ...

Method, Inc.

SQL Developer

Virginia, MN · On-site

$115K - $125K/yr

Spry Methods is seeking a SQL Developer to support a strategic laboratory program for our DOJ FBI ... Monitor and tune database performance through query optimization, indexing strategies, and ...

Ztek Consulting

Senior Python & SQL Developer

Manhattan, NY · On-site

$133K - $180K/yr

Mentor junior developers and contribute to Agile ceremonies and technical documentation. Basic ... Strong expertise in SQL query optimization, database design, indexing, and performance tuning.

Method, Inc.

SQL Developer

Quantico, VA · On-site

$115K - $125K/yr

Spry Methods is seeking a SQL Developer to support a strategic laboratory program for our DOJ FBI ... Monitor and tune database performance through query optimization, indexing strategies, and ...

Cloud think technologies LLC

SQL DBA/Developer

Stamford, CT · On-site

$48.25 - $66/hr

A Plus would be a combo SQL DBA/Developer We are looking for a skilled Senior SQL Database ... Perform SQL tuning using indexes, explain plans, and query optimization techniques. Experience in ...

Northern Base

Java Developer

Tampa, FL · On-site

$48.25 - $62.25/hr

... SQL & Query Optimization Exception Handling & Logging Monitoring & Resiliency Patterns CI/CD ... & DevOps Teams Agile / Scrum Development Environment Bachelor's Degree in Computer Science or ...

EGS

SQL Developer (Integration)

Greenville, SC · On-site

$70/hr

The ideal candidate will have a deep understanding of SQL programming, relational database design ... Troubleshoot database-related issues, including performance bottlenecks and query optimization.

EGS

SQL Developer (Integration)

Greenville, SC · On-site

$70/hr

The ideal candidate will have a deep understanding of SQL programming, relational database design ... Troubleshoot database-related issues, including performance bottlenecks and query optimization.

Northern Base

Senior Java Developer

New Castle, DE · On-site

$55.50 - $70.75/hr

... SQL & Query Optimization Exception Handling, Logging & Monitoring Resiliency Patterns CI/CD ... Developer Mentoring Preferred Experience: Enterprise Java Microservices Development Kafka-Based ...

TOPSYSIT

Data Engineer

Atlanta, GA · On-site

$110K - $132K/yr

Data Engineer (Databricks / Snowflake / Azure) LOOKING ONLY ON W2 Overview We are looking for a ... Strong proficiency in Python , PySpark , and SQL query optimization. * Proven background in data ...

S R INTERNATIONAL INC

Database Developer

Phoenix, AZ · On-site

Database Developer Job Code: Maricopa-2468 Client: Maricopa County Location: Phoenix, AZ - Hybrid ... The position will focus on SQL development, relational database design, query optimization ...

Kanak Elite Services Inc

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Java Developer Location : Boston, MA (Hybrid) - Local MA candidates only Duration : Long term ... SQL, PL/SQL, query optimization). · Practical knowledge of AWS cloud services. · Strong ...

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Sql Query Optimization Engineer information

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How much do sql query optimization engineer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for sql query optimization engineer in the United States is $64.42, according to ZipRecruiter salary data. Most workers in this role earn between $57.69 and $73.56 per hour, depending on experience, location, and employer.

What does a SQL query optimization engineer do?

A SQL Query Optimization Engineer specializes in improving the performance and efficiency of SQL queries within database systems. They analyze, troubleshoot, and rewrite SQL statements to ensure data is retrieved quickly and accurately, often by optimizing indexes, restructuring queries, and monitoring execution plans. Their work helps organizations maintain responsive, scalable applications and reduces resource consumption on database servers. They often collaborate with developers and database administrators to implement best practices and resolve performance bottlenecks.

What are the key skills and qualifications needed to thrive as an SQL query optimization engineer?

To thrive as an SQL Query Optimization Engineer, you need deep expertise in database management, query languages (especially SQL), and performance tuning, often supported by a degree in computer science or a related field. Familiarity with RDBMS platforms like MySQL, PostgreSQL, SQL Server, and tools such as query analyzers and performance monitoring systems is crucial. Strong analytical thinking, problem-solving skills, and effective communication help you identify bottlenecks and collaborate with development teams. These abilities are vital for ensuring databases run efficiently, supporting high application performance and scalability.

What are some common challenges faced by SQL query optimization engineers when working with large-scale databases?

SQL Query Optimization Engineers often encounter challenges such as identifying inefficient queries that slow down overall database performance, managing resource contention among multiple users, and ensuring queries scale effectively as data volumes grow. Additionally, they must frequently collaborate with developers and database administrators to refactor legacy code and implement best indexing strategies. Staying updated with evolving database technologies and query execution plans is essential to proactively address performance bottlenecks.

What is the difference between Sql Query Optimization Engineer vs Data Analyst?

AspectSql Query Optimization EngineerData Analyst
Primary FocusOptimizing SQL queries for performanceAnalyzing data to generate insights
SkillsSQL tuning, database management, performance monitoringData visualization, statistical analysis, SQL querying
CertificationsSQL certifications, database management certificationsData analysis certifications, Excel, SQL
Work EnvironmentDatabase teams, IT departments, backend systemsBusiness units, marketing, finance teams

The Sql Query Optimization Engineer primarily focuses on enhancing database query performance, ensuring efficient data retrieval. In contrast, a Data Analyst interprets data to support business decisions. While both roles require SQL skills, the Optimization Engineer emphasizes query tuning and database performance, whereas the Data Analyst concentrates on data interpretation and reporting.

What are popular job titles related to Sql Query Optimization Engineer jobs?

For Sql Query Optimization Engineer jobs, the most frequently searched job titles are:

Infographic showing various Sql Query Optimization Engineer job openings in the United States as of September 2026, with employment types broken down into 65% Full Time, 5% Part Time, 5% Temporary, and 25% Contract. Highlights an 80% In-person, and 20% Remote job distribution, with an average salary of $134,000 per year, or $64.4 per hour.

Database Developer (SQL)

Sterling, VA • On-site, Remote

REI Systems
IT Services • 501 - 1,000 employees
Learn more about REI Systemsexternal

Other

Re-posted 12 days ago

Job description

Overview
REI Systems' mission is to deliver reliable, innovative technology solutions that advance Federal clients' missions and exceed their expectations. Our technologists and consultants are passionate about solving complex challenges that impact millions of lives. We take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services. This approach, the REI Way, ensures mission impact by aligning our clients' strategic objectives with measurable outcomes through people, processes, and technology.
We offer the same commitment to our employees by providing professional development, meaningful projects, and flexibility to spend time with family and friends. We believe employees are at their best when fulfilled in both their professional careers and their personal lives. Learn more at www.REIsystems.com
Employees voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, and 2025!
Responsibilities
We are looking for a highly skilled SQL Developer who can independently lead and execute the full transition of the application from SQL Anywhere to SQL Server, including Web Services and other related components. The ideal candidate should also bring solid Oracle knowledge, with the ability to handle the end-to-end migration with minimal oversight and maximum ownership.
Responsibilities
  • Design and develop complex SQL queries, stored procedures, functions, views, triggers, and database objects.
  • Develop scalable database solutions supporting enterprise applications.
  • Perform SQL query tuning and database performance optimization.
  • Analyze execution plans and identify performance bottlenecks.
  • Support data migration, transformation, cleansing, validation, and reconciliation.
  • Develop ETL/data integration processes.
  • Collaborate with application developers, DBAs, analysts, and QA engineers.
  • Troubleshoot production data and application issues.
  • Develop scripts supporting automated database deployments.
  • Ensure database solutions follow security, data integrity, and coding standards.
  • Assist with data modeling and database design.
  • Use AI-assisted development tools to accelerate query development, documentation, troubleshooting, and performance analysis while validating generated code.
  • Support data structures and pipelines required for AI-enabled features, analytics, semantic search, or machine learning applications where applicable.

Qualifications
Required Qualifications
  • 7+ years of SQL/database development experience.
  • Advanced SQL development skills.
  • Strong experience with SQL Server and/or Oracle.
  • Experience with stored procedures, functions, views, triggers, indexing, and query optimization.
  • Knowledge of relational database design and data modeling.
  • Experience troubleshooting high-volume enterprise databases.
  • Familiarity with ETL and data integration.
  • Understanding of source control and CI/CD practices.
  • Familiarity with AI-assisted software development and modern data platforms.

Preferred Qualifications
Federal/FDA/HHS experience.
Experience with Azure SQL/AWS database services.
Python or scripting experience.
Experience supporting AI/ML data workloads.
Education: Bachelor's degree in Business, Engineering, Computer Science, or related field. Masters degree preferred.
Clearance: Ability to obtain and maintain a clearance is preferred.
Location: Hybrid: 2 days per week at REI Systems' Sterling, VA office.
EEO Statement: REI Systems is an Equal Opportunity Employer
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