Senior Frontend Engineer

UserTesting (View all Jobs)

Barcelona, Spain

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Interview Process

1. Initial interview 2. Pair programming 3. Offer

Programming Languages Mentioned


We’re UserTesting, a leader in experience research and insights; we believe the path to human understanding and great experiences start with a shared understanding—seeing and hearing how another person engages with the world around them and taking in their perspective. Working at UserTesting, you will be empowered to help organizations  discover the human side of business–transforming how they work, collaborate, innovate, and bring new products and experiences to market. This is what inspires us, and it’s how we enable companies to connect with their audiences naturally and organically through an experience that is uniquely, and intentionally human.

A trusted company by top brands for 15+ years, UserTesting, recently merged with UserZoom, has over 3,400 customers in 50 countries, including 75 of the Fortune 100 companies. Joining our team means being part of a passionate group focused on transforming how companies learn from and understand their customers. Come join us and help us build the engine for human understanding.

The Opportunity:

We are in search of an experienced Senior Frontend Developer to join the Analytics team at UserTesting. The selected candidate will play a pivotal role in both shaping our product roadmap and ensuring the ongoing maintenance of our current platform. The ideal applicant will be a proactive team player, capable of working asynchronously within a geographically dispersed team, and possess a strong aptitude for learning.

We place a higher value on the quality of work than on location and timing, aim to provide concrete solutions to actual problems faced by our customers, and are open to adopting innovative tools when they represent the most suitable choice for the task at hand.


The Team:

The Analytics team at UserTesting, entrusted with the critical responsibilities of developing and maintaining the UTZ Analytics Platform, has earned a distinguished reputation for its extraordinary attention to detail, superior software development methodologies, and proficient management of time. This team's commitment to quality is reflected in every aspect of their work, from initial design to the final deployment, ensuring that the UTZ Analytics Platform not only meets but exceeds industry standards.

For those who are passionate about joining a cohesive, exceptionally skilled group that is dedicated to pushing the boundaries of innovation and continuously striving for excellence, the Analytics team at UserTesting offers a truly unparalleled opportunity. This is a place where your contributions will not only be valued but will also have a significant impact on the product and the wider community. If you're driven by the prospect of working alongside like-minded professionals in an environment that fosters personal growth and collective success, then the Analytics team is looking forward to welcoming you.

What you will be doing:

  • Analyze design and product specifications alongside UX design considerations to develop comprehensive, user-centered solutions.
  • Design and architect high-quality software using React, ensuring alignment with both business objectives and technical strategies.
  • Conduct validation and verification testing to guarantee software reliability.
  • Collaborate closely with the team to innovate and brainstorm new solutions, while effectively managing personal project timelines and deliverables.
  • Commit to continuous professional development by staying abreast of industry trends and emerging technologies.


What we are asking:

  • Solid hands-on experience with web standards (HTML, CSS, JS), including a minimum of 3 years specializing in React, accompanied by a deep understanding of web technologies, W3C standards, programming concepts, and web architecture.
  • Demonstrated expertise in JavaScript and React.js, showcasing proficiency in DOM manipulation, JavaScript object model, and a thorough grasp of React.js principles. This includes experience with key React.js workflows such as Redux and Router.
  • Familiarity with modern front-end technologies and tools, including but not limited to Typescript, Babel, Webpack, and NPM, coupled with a track record of writing unit tests to validate code against functional specifications.
  • Proven ability to operate asynchronously within distributed teams, highlighted by exceptional learning capabilities, problem-solving skills, and a strong set of interpersonal attributes that emphasize teamwork, ownership, initiative, and integrity.

What we offer:

- Employee Assistance Program (EAP)
- Health Insurance
- Flexible retribution
- Employee Referral Program
- Professional Development Stipend
- Remote work stipend
- Wellness reimbursement 
- Volunteer days

To learn more about our team, culture, and customers, check out our careers page, company blog, and press/awards. Aside from a great work environment and the opportunity to make an impact, we’re also growing the team quickly–join us!

At UserTesting, we are committed to providing more inclusive and accessible experiences for our candidates. We pride ourselves on building empathy; diverse perspectives, which we believe are the key values to creating exceptional experiences for everyone. Our commitment to providing accessible experiences is driven by this belief and our core values. If you require any accommodations or have any specific requests about how we could tailor our interview process to better suit your needs please contact us on: If you need to speak to someone please ask!


UserTesting is an Equal Opportunity Employer and a participant in the U.S. Federal E-Verify program.  Women, minorities, individuals with disabilities and protected veterans are encouraged to apply.  We welcome people of different backgrounds, experiences, abilities and perspectives.  

UserTesting will consider qualified applicants with criminal histories in a manner consistent with the San Francisco Fair Chance Ordinance, as applicable.  

We welcome candidates with physical, mental, and/or neurological disabilities. If you require assistance applying for an open position, or need accommodation during the recruiting process due to a disability, please submit a request to People Operations by emailing

Please mention No Whiteboard if you apply!
I'm a one-man team looking to improve tech interviews, and could use any support! 😄

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