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Freelance Sdet Jobs (NOW HIRING)

ISite Technologies Inc

Principal SDET

Trenton, NJ · On-site

Principal SDET Location: Hamilton Township, NJ-Onsite Interview (Only Locals) Experience: 10 Years Skills: • Seeking a Principal SDET with strong Wealth Management / Financial Services experience ...

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Avani Technology Solutions, Inc.

SDET

Seattle, WA · On-site

$57 - $73.75/hr

Only W2 Software Development Engineer in Test Seattle, WA 98101 12 Months Experience:2-5 years 1 // Experience automating test cases using an object-oriented coding language (C, C++, Python, C#, Java ...

TSQ Systems Inc

SDET

Dallas, TX · On-site

$49.75 - $64/hr

The SDET (Software Development Engineer in Test) will be responsible for ensuring the quality of software products through the development and execution of automated test scripts. This individual ...

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How much do freelance sdet jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for freelance sdet in the United States is $51.54, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.82 per hour, depending on experience, location, and employer.

What is a freelance SDET?

A Freelance SDET, or Software Development Engineer in Test, is a professional who works independently on a contract basis to design, develop, and maintain automated testing frameworks and tools for software applications. Unlike traditional testers, SDETs possess strong programming skills and often write code to test other code, ensuring software quality throughout the development lifecycle. As freelancers, they work with multiple clients or projects, bringing flexibility and specialized expertise to software quality assurance.

What are the key skills and qualifications needed to thrive as a freelance SDET?

To thrive as a Freelance SDET (Software Development Engineer in Test), you need a solid understanding of programming, test automation, and software QA principles, typically supported by a degree in computer science or a related field. Familiarity with automated testing frameworks (such as Selenium or Cypress), CI/CD pipelines, and source control systems like Git is essential. Strong problem-solving, self-management, and client communication skills help you stand out in freelance roles. These qualifications ensure the delivery of robust, reliable software solutions while meeting diverse client expectations and project deadlines.

What is the difference between Freelance Sdet vs QA Engineer?

AspectFreelance SdetQA Engineer
CredentialsTypically requires testing certifications, programming skillsOften requires a degree in computer science or related field, testing certifications beneficial
Work EnvironmentIndependent, remote, project-basedIn-house or remote, team-based
Employer & Industry UsageFreelance platforms, consulting firms, startupsTech companies, software development firms, enterprises
Search & Comparison IntentHigh overlap in testing skills, automation, and scriptingFocus on quality assurance processes, manual and automated testing

Freelance Sdet and QA Engineer roles share skills in testing and automation but differ mainly in work setup and employment type. Freelance Sdet works independently on various projects, often remotely, while QA Engineers are typically employed full-time within organizations. Both roles require testing knowledge, but Freelance Sdet emphasizes flexibility and diverse project experience.

How do freelance SDETs typically balance multiple client projects and testing priorities?

Freelance SDETs often manage several projects simultaneously, which requires strong organizational skills and clear communication with clients about deadlines and expectations. It's common to use project management tools to track testing tasks, bug reports, and automation scripts for different clients. Establishing regular status updates and prioritizing tasks based on project criticality helps ensure quality deliverables without overextending. Additionally, being proactive about clarifying requirements and negotiating realistic timelines is essential for maintaining client satisfaction and personal work-life balance.
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Freelance Sdet jobs near you
Infographic showing various Freelance Sdet job openings in the United States as of August 2026, with employment types broken down into 67% Full Time, 10% Part Time, 1% Temporary, and 22% Contract. Highlights an 76% Physical, 2% Hybrid, and 22% Remote job distribution, with an average salary of $107,212 per year, or $51.5 per hour.

Senior Software Development Engineer in Test (SDET)

The AES Group

New York, NY • On-site

$120K - $157K/yr

Contractor

Re-posted yesterday

Job description

Role: Senior Software Development Engineer in Test (SDET)
Location: New York City - NY (Hybrid)

Let’s create our future together at The AES Group!

About The AES Group

The AES Group is a premier technology staffing and services company that has been bringing businesses and talent together for over 20 years to deliver innovative technology solutions that create meaningful impact. AES helps enterprises, including Fortune 500 organizations, engage customers, empower employees, and transform operations through cloud, data, AI, and emerging technologies.

Why Join This Opportunity?

  • Work on high-scale, performance-driven platforms used by millions of users

  • Opportunity to design and own automation frameworks from the ground up

  • Collaborate with high-performing engineering teams in a cutting-edge environment

  • Exposure to modern CI/CD pipelines and cloud-native testing practices

  • Hybrid work flexibility in New York City

  • Competitive hourly compensation

We’re looking for a hands-on SDET to help elevate quality across our online services ecosystem. This role sits at the intersection of development, automation, and infrastructure — ideal for someone who enjoys building scalable testing solutions and improving engineering velocity without compromising quality.

Overview:

  • Design and implement automated testing solutions including frameworks, tooling, and CI/CD integrations
  • Define and track quality metrics to continuously improve product reliability
  • Analyze logs, test results, and system data to proactively identify defects and performance risks
  • Partner with engineering teams to enhance testability and optimize development workflows
  • Contribute to and maintain CI/CD pipelines and automation infrastructure
  • Perform code reviews with a focus on quality, scalability, and test coverage
  • Mentor team members and promote best practices across distributed teams

Qualifications:

  • 5+ years in SDET, Software Engineering, or similar roles
  • Strong programming experience in C#
  • Experience with JavaScript/TypeScript (React preferred)
  • Proven ability to build and scale automated test frameworks (unit, integration, E2E)
  • Experience testing web-based applications and services
  • Familiarity with CI/CD tools (Jenkins, TeamCity, or similar)
  • Experience with Git or Perforce
  • Understanding of non-functional testing (performance, security, accessibility)
  • Experience with containerization (Docker preferred)
  • Scripting experience (Python, PowerShell, or similar)
  • Bonus: C++ and GoogleTest experience
Ready to make an impact? Apply now and join us on our journey!