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.
We’re looking for a Senior Full Stack Software Engineer to join our Engineering team. This role is ideal for someone who thrives in a pragmatic environment — able to reduce scope intelligently, mentor junior developers, and design maintainable, efficient solutions that deliver value quickly. You’ll be part of a supportive, inclusive team that values collaboration, transparency, and continuous improvement, working with ownership and accountability while fostering a culture of empathy, inclusivity, and continuous learning.
What You’ll DoDesign and implement efficient, maintainable backend systems aligned with business needs
Ensure code quality, reliability, and performance through testing, reviews, and best practices
Work within and extend existing architectural patterns for seamless integration
Write clear documentation to support deployment, maintenance, and knowledge sharing
Participate in code reviews, demos, and sprint reviews, contributing to engineering excellence
Mentor junior engineers, sharing best practices and guiding technical decisions
Collaborate with product and design to translate requirements into reliable, scalable solutions
Proactively seek opportunities to reduce scope or streamline development without losing user value
Extensive years of backend development experience with production-grade systems
Strong expertise in NodeJS, React/TypeScript, Ruby on Rails, REST/GraphQL APIs, Kafka, PostgreSQL
Deep understanding of distributed systems, microservices, and serverless patterns
Experience mentoring engineers and setting technical directions
Ability to make smart trade-offs and simplify complexity without losing quality
Background in working with and evolving established backend architectures
Pragmatic mindset focused on performance, maintainability, and readability
Clear communicator with strong documentation skills
Collaborative team player with cross-functional experience
Bonus: familiarity with Angular and Golang.
Wellness and home office stipend
Comprehensive health & dental coverage
Generous paid time off + parental leave
Learning & development support
Remote-first, flexible work culture
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.
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