Staff Software Engineer/Application Architect (Front-end focused)
UserTesting.com
Office
Barcelona, Spain
Full Time
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 seasoned Staff Software Engineer / Application Architect with deep expertise in modern front-end technologies. You’ll lead the design and scaling of our next-generation web applications, set architectural direction, and mentor teams to deliver performant, secure, and user-friendly experiences.
What You'Ll Do:
- Architectural Leadership: Define and implement front-end architectural patterns, frameworks, and standards to ensure scalability, maintainability, and performance across UserTesting’s applications.
- Technical Excellence: Serve as a hands-on technical leader, writing high-quality code while guiding others in best practices around modern JavaScript frameworks, component-driven development, and responsive design.
- Mentorship & Influence: Mentor engineers across multiple teams, fostering technical growth and ensuring architectural consistency in implementation.
- Cross-Functional Collaboration: Partner with product management, UX, and back-end engineering to align front-end architecture with user needs, business goals, and technical investments.
- Innovation & Experimentation: Evaluate and introduce emerging front-end technologies and tools that enhance developer productivity, application performance, and user experience.
- Scalability & Performance: Drive optimizations for web application performance, accessibility, and internationalization at scale.
- System Integration: Ensure seamless integration between front-end applications and APIs, data services, and cloud-native back-end systems.
- Security & Compliance: Champion security reviews, implement best-in-class authentication and authorization patterns, and collaborate with security teams to proactively identify and remediate risks in the user experience layer.
- Automation & Testability: Advocate for and implement front-end designs that are easily testable through automation frameworks, e.g., Cypress, Playwright, etc.
- Advocacy & Communication: Act as a subject matter expert in front-end architecture, influencing strategic engineering initiatives and evangelizing best practices across the organization.
What We'Re Looking For:
- 10+ years of software engineering experience, with at least 4+ years in senior/staff-level front-end or application architecture roles.
- Deep proficiency with modern JavaScript/TypeScript, React (or similar frameworks), state management libraries, build tools, and front-end performance optimization.
- Proven experience designing scalable, modular, secure and maintainable front-end architectures in SaaS or enterprise-grade environments.
- Solid knowledge of APIs, cloud-native environments (AWS, GCP, or Azure), CI/CD, and security considerations for web applications.
- Strong ability to influence across teams, working effectively with engineering, product, and design leadership.
- Excellent skills translating technical concepts into business and product impact.
- Education: Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience). Advanced degree a plus.
Our Benefits:
- Private health & dental coverage
- Generous paid leave (vacation, sick days, parental leave)
- Learning & development budget (courses, conferences, training)
- Remote-first culture with flexible working arrangements
- Home office stipend / equipment support
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.
Staff Software Engineer/Application Architect (Front-end focused)
Office
Barcelona, Spain
Full Time
September 26, 2025