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HYMA K. - Freelance Qa Engineer

Available

Qa Engineer
I am a QA Engineer with over 5 years of experience specializing in Manual and Automation testing, and over the past three years I have focused on maintaining and executin...
Masha K. - Freelance Qa Engineer

Available

Qa Engineer
I'm a QA Engineer and UX researcher with over 8 years of experience, mostly in B2B SaaS, e-commerce, and developer tools. I've always worked across the full quality spect...
Xavier G. - Freelance Qa Engineer

Available

Qa Engineer
Hi, I’m Xavier Gonzalez-Arriola, a QA Automation Engineer based in Barcelona with a background in physics and engineering. I design robust automated testing strategies, b...
Roman S. - Freelance Qa Engineer

Available

Qa Engineer
Hi, I’m Roman Stoliar, a Senior QA Engineer with over 9 years of experience specializing in system-level testing, networking, and Linux-based environments. I’ve consisten...
Aksana I. - Freelance Qa Engineer

Available

Qa Engineer
I am a QA Engineer with 5+ years of experience in manual, API, web, mobile, and backend testing. I excel in requirement analysis, test planning, regression and explorator...
Juan B. - Freelance Qa Engineer

Available

Qa Engineer
AWS, CSS, DB2
I am a QA Engineer with 9+ years across SaaS, logistics, physical security, and enterprise software. I specialize in test strategy, defect life cycle management, and embe...
Sedanur Y. - Freelance Qa Engineer

Available

Qa Engineer
Hi, I’m Sedanur Yenturk, a Senior Business Analyst and aspiring Product Owner with 5+ years in Agile software development. I excel at translating business needs into clea...
Alicia B. - Freelance Qa Engineer

Available

Qa Engineer
Blender, Keras, Microsoft Office
Blender, Keras, Microsoft Office
Hi, I’m Alicia Burga, a Computational Linguist and NLP researcher based in Barcelona. I specialize in corpus annotation, linguistic data pipelines, and multilingual NLP, ...
Atul K. - Freelance Qa Engineer

Available

Qa Engineer
I am an ISTQB CTAL-TM certified Test Manager with 13+ years of experience leading QA delivery for Salesforce, AWS, and Web/Mobile applications. I specialize in test strat...
Alexander W. - Freelance Qa Engineer

Available

Qa Engineer
Hi there, I’m Alexander Wilhelmsson, a multilingual trust & safety and QA professional based in Barcelona with over seven years of experience strengthening policy complia...
Mustafa O. - Freelance Qa Engineer

Available

Qa Engineer
I'm Mustafa Volkan Oluç, a Senior Software Engineer with 7+ years of experience building scalable, end-to-end systems using PHP (Symfony), TypeScript (NestJS), and Python...

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Trusted by companies around the world

""Working with David on the new Victory Digital platform was a seamless experience from start to finish. As a digital marketer, I have very high standards for site performance, conversion architecture, and aesthetic flow—and David exceeded all of them. He didn't just build a website; he built a high-performance marketing..."
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Susainah @ Victory Digital
Apr 23, 2026
"Hi I am proud of her work it is just amazing unique design I always prefer her. She listened and did everyting I need."
John @ Chase bank
Apr 22, 2026
"I’ve worked with Michael across a number of projects, including redesigning a WordPress website for a media house and providing brand and design support to an award-winning social enterprise. What stands out is his ability to think strategically while still delivering to a high standard. Michael doesn’t just focus on how..."
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Urfan @ Planet Urf Consulting
Apr 22, 2026
"Working with Ahmad was a game-changer for our video integration project. He developed a background replacement pipeline that is incredibly precise, achieving near-perfect segmentation accuracy even in complex environments. What impressed us most was his ability to optimize the system for production; he managed to boost..."
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Bilal @ Codevate
Apr 22, 2026
"Umair Shehzad was a great technical guy we had here. I found him a great learner and capable to deliver the tasks on time"
Muhammad @ Lumovy Technology Solutions
Apr 22, 2026
"Did a great job designing the product to match Shattered Concepts style as well as modeled to be manufacturing ready."
Shattered @ Shattered Concepts LLC
Apr 22, 2026
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Josh Bolland - CEO, JB Cole
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5 star reviews

Clients Rate Twine QA Engineers

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16
16

reviews as of May 1, 2026

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From the blog

Frequently Asked Questions

What does a QA Engineer do?

A QA Engineer, or Quality Assurance Engineer, is responsible for ensuring that software products meet the necessary standards and function correctly. They design and execute test plans, identify bugs, and collaborate with developers to improve the overall user experience. Key responsibilities include:

  • Creating and maintaining test documentation.
  • Performing manual and automated testing.
  • Analyzing test results to identify defects.
  • Participating in code reviews and providing feedback.
  • Implementing testing tools and processes to streamline QA efforts.

How to Hire a QA Engineer in Barcelona, ES?

To hire a QA Engineer in Barcelona, start by defining your project’s specific requirements. Consider the skills required, such as familiarity with testing frameworks and programming languages. Use platforms like Twine to connect with freelancers. Post a clear job description, including project timelines and budget. Engage in a conversation with potential candidates to assess their skills and compatibility. It’s crucial to check their portfolios and past work to ensure they possess the necessary experience and expertise.

How much does it cost to hire a QA Engineer in Barcelona, ES?

The cost to hire a QA Engineer in Barcelona varies based on experience level:

  • Beginner: €20 - €30 per hour
  • Junior: €30 - €45 per hour
  • Mid-Level (Industry Average): €45 - €65 per hour
  • Senior: €65 - €90 per hour
  • Expert: €90 - €120+ per hour

These rates may fluctuate based on the complexity of the project and the engineer's expertise.

What qualities set exceptional QA Engineers apart from the rest?

Exceptional QA Engineers possess a unique blend of technical skills and soft skills. They demonstrate strong analytical thinking, enabling them to identify issues quickly and accurately. Attention to detail is vital in spotting even the smallest bugs. Effective communication skills allow them to collaborate with developers and stakeholders seamlessly. Additionally, a proactive approach to problem-solving and a continuous learning mindset keep them updated with the latest testing technologies and methodologies. They should also be adaptable, able to work under tight deadlines while maintaining high-quality standards.

How do you recognize the perfect QA Engineer in Barcelona, ES for your needs?

To recognize the perfect QA Engineer for your needs, evaluate their technical expertise and relevant experience in your industry. Review their portfolio for past projects and successful implementations. Conduct interviews to assess their problem-solving abilities and communication skills. Consider asking about their familiarity with specific testing tools and methodologies relevant to your project. Checking references and client testimonials can also provide insights into their work ethic and reliability. Finally, ensure that their working style aligns with your team’s dynamics for seamless collaboration.

What are the key questions to ask in a QA Engineer interview?

During a QA Engineer interview, consider asking the following key questions:

  • Can you describe your experience with automated testing tools?
  • How do you prioritize tasks when managing multiple projects?
  • What is your approach to identifying and documenting bugs?
  • Can you explain a challenging testing scenario you faced and how you resolved it?
  • How do you ensure effective communication with developers during the testing process?

These questions help gauge their technical knowledge, problem-solving skills, and ability to work collaboratively.

What’s the difference between hiring a freelance QA Engineer and working with an agency in Barcelona, ES?

The primary difference between hiring a freelance QA Engineer and working with an agency lies in cost, flexibility, and control. Freelancers typically offer a more cost-effective solution, allowing you to negotiate rates directly. However, agencies provide a team of professionals, ensuring a broader range of skills and expertise for larger projects. With freelancers, you have more control over the hiring process and can build a direct relationship, whereas agencies often have predefined processes that may limit direct communication. Consider your project's scale and requirements when making a choice.

What should be in a QA Engineer project brief / job description?

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

  • Project overview and objectives.
  • Specific responsibilities and tasks.
  • Required technical skills and tools.
  • Experience level (junior, mid-level, or senior).
  • Budget and timeline for the project.
  • Preferred working methods (remote, on-site, etc.).

Providing this information will help attract suitable candidates who align with your project needs.

How do I hire a QA Engineer in Barcelona, ES on Twine?

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.

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