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Hire expert QA Engineers in San Francisco, United States

Post a project and get matched with QA Engineers in San Francisco, United States. Matched in 24 hours. No agency fees.

1
Post your project
Takes 3 minutes
2
Meet your expert
Within 24 hours
3
Launch your project
Flexible payment options
+14k more QA Engineers on Twine
David R.
QA Engineer
★★★★★ 5.0
James M.
QA Engineer
★★★★★ 5.0
SRE.ai
QA Engineer
★★★★★ 5.0

Trusted by 10,000+ companies of all sizes

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Meet the experts behind high growth companies.

Every QA Engineer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.

Available
QA Engineer

Freelance Gig

I'm a QA Engineer working from San Francisco, United States. My focus is Freelance Gig, and I'm always keen to jump into a well-scoped brief.

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Available
QA Engineer

App Design, iOS, Java

Founder & CTO who builds and ships customer-facing products end-to-end, using AI-assisted development to move quickly from idea to production. Built and operates Wordatho...

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Available

Looking for a laptop, desktop, printer, tablet, or managed it services south bay, CA? Clickaway's experienced and skilled computer technicians specialize in diagnosing an...

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Available

I'm an experienced Senior Software Quality Engineering Lead with over 20 years in Oracle applications and enterprise software. I focus strongly on customer support and pr...

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We have over 14,500 QA Engineers who've worked in many different industries and cover various styles and skillsets.

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What companies hire QA Engineers for

Projects that brands and startups post most often.

MVP build

End-to-end build of a v1 product, front-end, back-end, and deployment.

Build your MVP

Shopify storefront build

Theme dev, custom checkout, app integrations, and performance optimisation.

Build your storefront

API & integrations

Build and connect third-party APIs, payment, email, analytics, CRM.

Connect your APIs

AI feature integration

Add an AI/LLM feature to an existing product.

Integrate AI

Browse related QA Engineer roles in San Francisco, United States

Development specialisms and the cross-functional roles you'll often hire alongside.

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Reviews

Trusted by companies around the world

I am the Co-Founder and CEO of a Swiss-Insurtech startup. I was always doing the design of my powerpoint slides on my own. To design them took me a long time and it always looked bad. Until I found twine. Due to twine I found an amazing designer abroad. She is very good and fast. And I can now send her my powerpoint slides...

Achim Kohli

Nov 15, 2021

Could not sing their praises highly enough. Many a time have been able to find an exceptional talent through their system, but more importantly, there is never any hassle when it comes to dealing with payments, communication, or delivery. A great service and they are contactable and provide solutions

Samson

Dec 16, 2021

I had a wonderful experience using twine to find and work with talented freelancers for my project. The platform is easy to use, has a wide range of creative professionals, and offers secure payment options. I was able to communicate with my collaborators effectively and get the results I wanted. I would highly recommend...

Natarajan Selvaraj

Jun 12, 2022

I think the concept works really well and is priced reasonably. Easy messaging with the lovely artist who is doing the illustrations for a children's book for me and also overseen by a Twine manager to make sure everything is going okay. I haven't used other websites who do the same thing, but have found this one works...

Carol Ainge

Jul 23, 2021

I needed to create a Movie Poster for my Animated Screenplay. So I asked a local Graphics shop. They gave me a referral to Fivver.com. I was unhappy with the work and poor English comprehension. Somehow, in an internet search, Twine.net came up, so I tried it. I think that the ability to see a Contractor's Portfolio is...

Michael Mroz

Jun 16, 2021

Went searching the web for a songwriter to help me with my timely COVID-19 related song. There's a lot out there, but finally happened across Twine. Found a nice young and talented fellow in the UK who would do it within my budget. And viola! a one day turn-around and a new song is shared with the world. I couldn't be...

Phil Bearce

Mar 5, 2020

How it works

  1. 1

    Post your project

    3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.

  2. 2

    Meet your expert

    Within 24 hours, you'll see a shortlist of vetted QA Engineers matched to your project.

  3. 3

    Launch your project

    Flexible payments on your terms, bill experts directly or use the Twine vault for added security.

How pricing works on Twine

Transparent rates, no hidden markup, and a payment path for every need.

The quote is the number.Nothing added on top.

Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.

No hidden markup

Pay direct.0% commission.

Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.

0% off-platform payments

Pay via Vault.Your money is protected.

Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.

10% up to $10k · 5% over $10k

Estimate your budget

Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.

Your project

Mid-level (3–5 yrs)
2–4 weeks

Estimates only. Actual budget is set by you and agreed with your expert before any work begins.

ESTIMATED RANGE

$4,800 $13,000

How we got here

  • Mid-level day rate: ~$475–$645/day
  • 2–4 weeks = 10–20 working days
  • Range: $4,800–$13,000

Twine vs. the alternatives

Frequently asked questions

Common questions answered before you post a project.

A Quality Assurance (QA) Engineer plays a crucial role in the software development lifecycle by ensuring that products meet required standards and function correctly. They design and implement tests, debug and define corrective actions, and review system requirements. Their primary responsibilities include:

  • Creating test plans and test cases.
  • Executing manual and automated tests.
  • Identifying bugs and issues before product release.
  • Collaborating with developers to resolve defects.
  • Documenting test results and providing feedback.

By doing so, QA Engineers help improve the quality of products and enhance user satisfaction.

Exceptional QA Engineers possess a unique blend of skills and traits that set them apart. Key qualities include:

  • Attention to detail, ensuring thorough testing.
  • Strong analytical skills to identify issues and propose solutions.
  • Excellent communication skills for collaboration with teams.
  • Proficiency in testing tools and methodologies.
  • Adaptability to learn new technologies and frameworks.

These qualities enable them to deliver high-quality products and contribute effectively to the development process.

Typical day rates for QA Engineers in United States vary by experience level:

  • Junior: 340 - 465 USD
  • Mid-level: 475 - 645 USD
  • Senior: 595 - 805 USD
  • Expert: 735 - 1,000+ USD

These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.

Estimate your cost using our calculator →

To recognize the perfect QA Engineer for your needs, begin by evaluating their technical skills and experience relevant to your project. Look for candidates who demonstrate proficiency in the testing tools and techniques you require. Additionally, assess their problem-solving abilities through situational questions during the interview. Check references and previous work samples to gauge their reliability and quality of work. A good cultural fit within your team is also essential, so consider their interpersonal skills and communication style. Ultimately, the ideal candidate should align with your project goals and have a proactive attitude toward quality assurance.

When interviewing a QA Engineer, consider asking the following key questions:

  • What testing methodologies are you most familiar with?
  • Can you describe a challenging bug you found and how you resolved it?
  • How do you prioritize testing tasks when working under tight deadlines?
  • What tools do you prefer for automated testing, and why?
  • How do you stay updated on the latest QA trends and technologies?

These questions will help you assess their expertise, problem-solving skills, and commitment to quality assurance.

Hiring a QA Engineer in San Francisco requires a strategic approach. Start by defining the specific skill set and experience you need based on your project requirements. Utilize platforms like Twine, where you can find a pool of qualified freelancers. Post a detailed job description that outlines your expectations, timeline, and budget. Actively engage with candidates by reviewing their portfolios, conducting interviews, and assessing their problem-solving abilities. Consider looking for QA Engineers with experience in tools and methodologies relevant to your project, such as Agile or automated testing frameworks.

Hiring a freelance QA Engineer and working with an agency both have distinct advantages. Freelancers often provide flexibility, direct communication, and typically lower costs. You have the opportunity to build a one-on-one relationship, allowing for tailored solutions to fit your project. On the other hand, agencies offer a team-oriented approach, with access to a diverse pool of talent and specialized skills. They can provide quicker scaling of resources and often handle administrative tasks, such as contracts and payments. Ultimately, your choice should depend on your project needs, budget, and desired level of support.

A well-crafted project brief or job description for a QA Engineer should include the following elements:

  • Project overview and objectives.
  • Specific responsibilities and expectations.
  • Required technical skills and tools.
  • Experience level desired (beginner, mid-level, etc.).
  • Timeline and budget constraints.
  • Information about your company and team culture.

Providing clear and detailed information will attract the right candidates and streamline the hiring process.

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted QA Engineers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance QA Engineers, making it easy to find the perfect creative professional for your project.

Ready to hire your next QA Engineer?

Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.

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