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Freelance Sql Data Engineer Jobs (NOW HIRING)

Mondo

SQL Data Engineer

Centreville, VA · Remote

$125K - $140K/yr

SQL Data Engineer, location is Remote. The start date is ASAP for this permanent position. Job Title: SQL Data Engineer Location-Type: Remote (EST/CST Preferred) Start Date Is: ASAP Duration:

Anblicks

SQL Data Engineer

Dallas, TX · On-site

$113K - $136K/yr

SQL Data Engineer Location: Dallas, TX Duration: 12+ months Rate: Open Skills: Bachelor's degree 5.+years of experience with ETL and advanced SQL skills - Adept at queries, report writing and ...

Software Technology Inc

SQL Data Engineer

$117K - $140K/yr

Data Engineer Contract to hire Remote Expertise in data engineering and data analysis in a healthcare setting Strong Teradata experience SQL experience - Ability to write and read complex SQL queries ...

ARC Group

SQL Data Engineer

Jacksonville, FL

$106K - $127K/yr

SQL DATA ENGINEER HYBRID (JACKSONVILLE, FL) ARC Group has an immediate opportunity for a Senior SQL Data Engineer! This position is a hybrid position located in Jacksonville, FL, working 2-3 days ...

CEDENT

DB2 SQL Data Engineer

Houston, TX

3 days onsite, Houston TX Senior DB2 SQL Data Engineer We are seeking a Senior DB2 SQL Data Engineer with expert-level proficiency in SQL stored procedures and deep familiarity with the DB2 IBM ...

Spruce Infotech

SQL Data Engineer

Strong SQL Server expertise including stored procedures, performance tuning, indexing, and data modeling. * Experience documenting legacy systems and reverse engineering both database and application ...

My3Tech Inc

Sr. SQL Data Engineer

Austin, TX · On-site

SQL Data SME 3 Days Per Week On-Site in Austin, TX General Motors The primary goal for this ... Desired Proficiency in a high level programming language such as C# or Java. Experience with CI/CD ...

Software Technology Inc

SQL Data Engineer

Irving, TX · On-site

$109K - $132K/yr

Two major areas of work Data and decision making Transforming themselves from platform to digital Moving away from data movements to more real time data streaming solutions Can also go with ...

Cedent

DB2 SQL Data Engineer (Houston, TX)

Houston, TX · On-site

3 days onsite, Houston TX Senior DB2 SQL Data Engineer We are seeking a Senior DB2 SQL Data Engineer with expert-level proficiency in SQL stored procedures and deep familiarity with the DB2 IBM ...

Cedent

DB2 SQL Data Engineer (Houston, TX)

Houston, TX · On-site

3 days onsite, Houston TX Senior DB2 SQL Data Engineer We are seeking a Senior DB2 SQL Data Engineer with expert-level proficiency in SQL stored procedures and deep familiarity with the DB2 IBM ...

Solomon Page

Data Engineer

Austin, TX · On-site

$55 - $70/hr

Strong expertise in SQL with experience working on large-scale and complex datasets. * Hands-on ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

4pconsultinginc

Data Engineer II

Birmingham, AL · On-site

$107K - $128K/yr

Data Engineer II Location- Birmingham, AL( ONSITE) Client- Southern Company Services ... The ideal candidate has strong expertise in SQL, data modeling, and big data tools such as Spark ...

Virtusa

SQL Data Analyst

New York, NY

Experience with oracle tools such as SQL Developer ,Toad. Understanding of security concepts and implementing Oracle data security. Experience in PROD issue analysis, troubleshooting , root cause ...

BizTek People

SQL Data Analyst

... specs for developers, testing the output, and ensuring user acceptance. This position will work ... Experience writing SQL against complex tables containing historical/future data is a must. Working ...

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Freelance Sql Data Engineer information

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How much do freelance sql data engineer jobs pay per year?

As of Jul 7, 2026, the average yearly pay for freelance sql data engineer in the United States is $129,716.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,500.00 and $137,500.00 per year, depending on experience, location, and employer.

What are some common challenges faced by freelance SQL Data Engineers when working with multiple clients simultaneously?

Freelance SQL Data Engineers often juggle projects from different clients, each with unique data structures, business requirements, and preferred tools. Managing conflicting deadlines, adapting quickly to various database environments, and maintaining clear communication can be challenging. It's essential to establish clear project scopes, use effective time management strategies, and leverage documentation to ensure smooth transitions between tasks. Building strong relationships with clients and proactively addressing potential data integration or security issues can also help mitigate these common challenges.

What is the difference between Freelance Sql Data Engineer vs Freelance Data Analyst?

AspectFreelance Sql Data EngineerFreelance Data Analyst
Required SkillsSQL, ETL, data warehousing, database architectureSQL, data visualization, reporting, statistical analysis
Work EnvironmentData pipelines, backend systems, cloud platformsBusiness insights, dashboards, client presentations
Common Industry UsageTech, finance, healthcare, e-commerceMarketing, retail, finance, consulting

Freelance Sql Data Engineers focus on building and maintaining data infrastructure, while Freelance Data Analysts interpret data to provide insights. Both roles require SQL skills but serve different purposes in data management and analysis.

What are the key skills and qualifications needed to thrive as a Freelance SQL Data Engineer, and why are they important?

To thrive as a Freelance SQL Data Engineer, you need a strong command of SQL, database architecture, and data modeling, often supported by a degree in computer science or a related field. Proficiency with database management systems (such as MySQL, PostgreSQL, or SQL Server), ETL tools, and certifications like Microsoft Certified: Azure Data Engineer Associate are highly valued. Excellent problem-solving, communication, and time-management skills help you collaborate with clients and deliver projects efficiently. These capabilities are essential for designing robust data solutions, meeting client requirements, and maintaining reliability in diverse freelance environments.

What are Freelance SQL Data Engineers?

Freelance SQL Data Engineers are independent professionals who specialize in designing, implementing, and maintaining databases using SQL (Structured Query Language). They typically work on a contract basis for multiple clients, helping organizations manage, analyze, and optimize their data storage and retrieval systems. Their tasks can include data modeling, writing complex SQL queries, ETL (Extract, Transform, Load) processes, and ensuring data integrity and security. Freelance SQL Data Engineers often work remotely and need strong problem-solving and communication skills to deliver solutions tailored to each client's needs.
What cities are hiring for Freelance Sql Data Engineer jobs? Cities with the most Freelance Sql Data Engineer job openings:
What are the most commonly searched types of Sql Data Engineer jobs? The most popular types of Sql Data Engineer jobs are:
What states have the most Freelance Sql Data Engineer jobs? States with the most job openings for Freelance Sql Data Engineer jobs include:
Freelance Sql Data Engineer jobs near you
SQL Data Engineer

SQL Data Engineer

Mondo

Centreville, VA • Remote

$125K - $140K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 26 days ago

Job description

Apply now: SQL Data Engineer, location is Remote. The start date is ASAP for this permanent position.

Job Title: SQL Data EngineerLocation-Type: Remote (EST/CST Preferred)Start Date Is: ASAPDuration: PermanentCompensation Range: $125,000 – $140,000 annuallyBenefits: Eligible for Health, Dental, Vision, 401K, PTOMust be authorized to work in the U.S. This position is not eligible for sponsorship. 

Job Description:The SQL Data Engineer will be responsible for investigating, remediating, migrating, and validating production data across enterprise-scale systems. This role focuses heavily on SQL Server, data migrations, ETL processes, XML data handling, and troubleshooting complex data integrity issues within mission-critical applications.

Day-to-Day Responsibilities:

  • Investigate and resolve data integrity issues within large production databases.
  • Write and execute complex SQL queries across highly relational data models.
  • Develop validation scripts and reporting to identify impacted records and data anomalies.
  • Design, test, and execute data correction and remediation scripts.
  • Lead and support data migration initiatives, including schema mapping and transformation logic.
  • Perform ETL activities, data mapping, and data quality validation.
  • Analyze and reconstruct missing or corrupted data when necessary.
  • Collaborate with Product, QA, DevOps, and Engineering teams to understand application data flows.
  • Optimize database performance and troubleshoot production issues.
  • Maintain migration runbooks, playbooks, and technical documentation.
  • Participate in Agile ceremonies, code reviews, and deployment planning.

Minimum Requirements:

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience).
  • 5 years of professional experience working with relational databases.
  • Expert-level SQL Server experience.
  • Advanced SQL skills including complex JOINs, CTEs, window functions, query optimization, and indexing strategies.
  • Experience writing and executing safe bulk UPDATE, INSERT, and DELETE scripts in production environments.
  • Proven experience with data migration projects, schema mapping, transformation logic, and validation processes.
  • Experience working with XML data and querying XML within SQL environments.
  • Strong ETL and data quality validation experience.
  • Experience working with Git/GitHub and Jira.
  • Familiarity with cloud platforms, preferably Azure.
  • Ability to quickly learn and navigate large, unfamiliar database schemas.
  • Strong troubleshooting and problem-solving skills.
  • Self-starter capable of working independently with limited documentation and guidance.
  • Strong attention to detail and commitment to data accuracy.
Preferred Qualifications:
  • Experience with data reconstruction and forensic data investigation.
  • Experience within tax, government, financial services, or other regulated industries.
  • Familiarity with Azure SQL Managed Instance.
  • Exposure to VB.NET, ASP.NET, C#, Entity Framework, Dapper, or ADO.NET.
  • Experience with SQL Server Reporting Services (SSRS).
  • Experience supporting SaaS or hosted application environments.
  • Understanding of CI/CD pipelines and deployment automation.

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