1

Freelance Sql Developer Jobs (NOW HIRING)

... SQL, and Excel Knowledge of statistical methods and data modeling Expertise in data cleaning and ... Programming skills (Python, R), knowledge of cloud computing platforms, domain knowledge in ...

Data Analyst

Mason, OH · On-site +1

Proficiency in data analysis tools such as Python, R, SQL, and Excel * Knowledge of statistical ... Programming skills (Python, R), knowledge of cloud computing platforms, domain knowledge in ...

Detailed knowledge of at least one programming language (Python, R, SQL, etc.) or Business ... Recruit and manage freelance creators & experts from the data science, AI, analytics, business ...

Detailed knowledge of at least one programming language (Python, R, SQL, etc.) or Business ... Recruit and manage freelance creators & experts from the data science, AI, analytics, business ...

Detailed knowledge of at least one programming language (Python, R, SQL, etc.) or Business ... Recruit and manage freelance creators & experts from the data science, AI, analytics, business ...

Lead Full Stack Developer We are looking for a Lead Full Stack Developer to join the investory.io ... Advanced SQL skills * Familiarity or interest in learning open-source data analytic and AI/ML tools ...

The Automation Engineer will be responsible for building the technical foundation of the customer ... freelance work, or personal projects count). • Proficient in Python and SQL: with the ability to ...

NET Core. * Strong experience with relational databases (SQL Server, PostgreSQL) and NoSQL ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

next page

Showing results 1-20

Freelance Sql Developer information

See salary details

$20

$52

$72

How much do freelance sql developer jobs pay per hour?

As of Jul 20, 2026, the average hourly pay for freelance sql developer in the United States is $52.60, according to ZipRecruiter salary data. Most workers in this role earn between $43.51 and $59.62 per hour, depending on experience, location, and employer.

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

To thrive as a Freelance SQL Developer, you need expertise in SQL programming, database design, and query optimization, often supported by a degree in computer science or related certifications. Familiarity with database management systems like MySQL, SQL Server, PostgreSQL, and tools such as SSIS or SQL Profiler is typically required. Strong problem-solving, time management, and effective communication skills help freelancers manage multiple projects and client expectations. These skills ensure the delivery of efficient, reliable database solutions tailored to diverse client needs in a competitive freelance market.

What are freelance SQL developers?

Freelance SQL developers are independent professionals who specialize in designing, developing, and managing databases using Structured Query Language (SQL). They work with clients on a project or contract basis, rather than as full-time employees, to build, optimize, and maintain database systems. Their responsibilities often include writing SQL queries, ensuring data integrity, optimizing database performance, and sometimes integrating databases with applications. Freelance SQL developers typically have expertise in various database management systems such as MySQL, PostgreSQL, Microsoft SQL Server, or Oracle. Their flexibility allows businesses to access specialized database skills as needed without hiring permanent staff.

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

AspectFreelance Sql DeveloperFreelance Data Analyst
Required SkillsSQL, database management, query optimizationSQL, data visualization, statistical analysis
Work EnvironmentRemote or client sites, project-basedRemote or client sites, project-based
CertificationsSQL certifications, database certificationsData analysis certifications, SQL certifications
Industry UsageIT, software development, database managementBusiness intelligence, marketing, finance

Freelance Sql Developers focus on designing, optimizing, and maintaining databases using SQL, often working closely with IT teams. Freelance Data Analysts interpret data, create reports, and provide insights, frequently utilizing SQL as part of their toolkit. While both roles require SQL skills, their primary focus and industry applications differ, making each suitable for different client needs.

What Does a Freelance SQL Developer Do?

As a freelance SQL developer, your duties are to provide your clients with database analysis and assistance. You discuss with your clients their needs and goals, develop a budget and timeline, and produce deliverables according to your contract. As part of this, you develop test scenarios for the database, write code for database queries, and create the specific tools and applications that end-users use to access information from the database. You also work with other developers to make database storage and information access more efficient for users. Some SQL developers have cybersecurity responsibilities, such as ensuring database and network security.

What are some common challenges freelance SQL developers face when working with multiple clients simultaneously?

Freelance SQL developers often juggle diverse projects across different industries, which can lead to challenges such as adapting to varying database architectures, understanding unique business requirements, and managing multiple deadlines. Coordinating communication with clients who may have different levels of technical knowledge can also be demanding. To overcome these challenges, strong organizational skills, clear documentation practices, and proactive client updates are essential for maintaining project quality and client satisfaction.
What cities are hiring for Freelance Sql Developer jobs? Cities with the most Freelance Sql Developer job openings:
What are the most commonly searched types of Sql Developer jobs? The most popular types of Sql Developer jobs are:
What states have the most Freelance Sql Developer jobs? States with the most job openings for Freelance Sql Developer jobs include:
What job categories do people searching Freelance Sql Developer jobs look for? The top searched job categories for Freelance Sql Developer jobs are:
Infographic showing various Freelance Sql Developer job openings in the United States as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $109,407 per year, or $52.6 per hour.
Software Developer with Security Clearance

Software Developer with Security Clearance

Scientific Research Corporation

North Charleston, SC • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago


Job description

Description We are seeking an experienced Software Developer with 3-5 years of professional experience to support software development initiatives for Combatant Craft operations. We value long-term commitment and seek candidates with a genuine passion for software development. Whether you have professional experience, side projects, or freelance work, we prioritize dedication to continuous learning and quality engineering. This position is based at our North Charleston, SC facility. * Supporting software development initiatives for Combatant Craft operations * Troubleshooting issues in Windows environments * Developing engaging and intuitive user interfaces * Installing and configuring systems and frameworks * Installing and configuring applications in a virtual machine environment #LI-LH1 Requirements * Bachelor's or master's degree in computer science, engineering, physics or similar disciplines, or equivalent experience * Experience developing Java object-oriented software in Windows * Demonstrable OO design skills and use of design patterns * Experience installing and configuring applications in a virtual machine environment * Experience with system administration in Windows environments * Experience troubleshooting issues in Windows environments * Experience developing engaging and intuitive user interfaces * Experience installing and configuring systems and frameworks * Ability to work in a team environment and follow software engineering practices Desired Skills * Experience developing engaging and intuitive user interfaces * Experience developing client-server implementations * Experience with Maven, Spring, and JavaFX * Familiar with the use of middleware in distributed applications * Strong analytical skills * Experience working with SQL databases * Experience with the Atlassian product suite * Experience with IntelliJ, GIT * Experience with system administration in Windows * Strong background in Java development * Experience with digital signal processing * Scripting experience working with Python * CAN experience * Experience integrating hardware with software * Secret or Top Secret clearance Clearance Information SRC IS A CONTRACTOR FOR THE U.S. GOVERNMENT, THIS POSITION WILL REQUIRE U.S. CITIZENSHIP AS WELL AS, A U.S. GOVERNMENT SECURITY CLEARANCE AT THE SECRET LEVEL Travel Requirements * Up to 20% About Us Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions. At the core of our capabilities is a seasoned team of highly skilled engineers and scientists with multidisciplinary backgrounds. This team is challenged daily to provide cutting edge technology solutions to our clients. SRC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with a company match, life insurance, vacation and sick paid time off accruals with amounts increasing based on role and years of service, 11 paid holidays, tuition reimbursement, and a work environment that encourages excellence and more. For positions requiring a security clearance, selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information. EEO Scientific Research Corporation is an equal opportunity employer that does not discriminate in employment. All qualified applicants will receive consideration for employment without regard to their race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other protected characteristic under federal, state or local law. Scientific Research Corporation endeavors to make www.scires.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact for assistance. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications.