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Urgent! Senior (NodeJS) Backend Engineer Job Opening In Barcelona – Now Hiring UserTesting

Senior (NodeJS) Backend Engineer



Job description

Join to apply for the Senior Software Engineer role at UserTesting

2 weeks ago Be among the first 25 applicants

Join to apply for the Senior Software Engineer role at UserTesting

We’re UserTesting—the leader in human insight.

Our mission is to help organizations craft exceptional customer experiences through fast, actionable feedback.
We empower teams to build the best products and experiences by embedding real human perspectives into every stage of the development process—from ideation to launch.

With the world’s strongest participant network, AI-powered analysis, expert services, and seamless integrations, we help companies eliminate guesswork, align stakeholders, and bring customer needs into sharp focus.
Trusted by more than 3,000 organizations worldwide—including 75 of the Fortune 100—UserTesting delivers measurable business outcomes, reduces risk, and helps teams deliver with confidence.

Joining our team means being part of a passionate group focused on transforming how companies understand and connect with their customers.
Let’s build experiences people love—together.
The Opportunity
We’re looking for a Senior Backend Engineer to help design and deliver scalable backend systems that power the UserTesting platform.

You’ll play a key role in shaping technical architecture, writing clean, well-tested code, and mentoring others.

You’ll collaborate with cross-functional teams to build high-impact solutions that make it easier for organizations to understand and connect with their audiences.
This role is perfect for someone who’s passionate about modern engineering practices, cloud infrastructure, and creating technology with purpose.
The Team
You’ll be joining a mission-driven, agile engineering team that’s building and evolving backend services critical to our platform.

Our engineers are distributed, highly collaborative, and deeply engaged in building scalable systems using modern tools and technologies.

We work closely with product and design to create reliable, performant, and intuitive experiences.
What We’re Looking For
We value curiosity, humility, and technical excellence.

We’re looking for someone who brings:

  • Extensive experience in backend software development
  • Proficiency in TypeScript on Node.js, with experience using gRPC, REST, Kafka, and PostgreSQL
  • Hands-on experience with DevOps and cloud infrastructure tools (e.g., Kubernetes, Docker, ArgoCD, AWS, Terraform, CI/CD pipelines)
  • Familiarity with distributed systems, microservices, and serverless architecture
  • Ability to build and maintain RESTful APIs and integrations
  • Strong commitment to testing, observability, and performance
  • Clear, concise technical communication and documentation skills
  • A collaborative mindset and ability to work well across teams
  • Experience leading or mentoring engineering peers
  • Proficiency in Python is a plus
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.

Seniority level

  • Seniority level

    Mid-Senior level

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Engineering and Information Technology
  • Industries

    Software Development

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