Senior Full Stack Engineer

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**# ****What You’ll Do****# **What We’re Looking For:*** **6–8+ years** **of backend** development experience with production-grade systems* Strong expertise in **Ruby, Rails, NodeJS, 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 **TypeScript/React** and **Golang**# **Our Benefits:*** Wellness and home office stipend* Comprehensive health & dental coverage* Generous paid time off + parental leave* Learning & development support* Remote-first, flexible work cultureUserTesting 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’re looking for a **Senior Backend Software Engineer (6–8+ years experience)** 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.* Design 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 valueWhat we're creating is a window to help organizations see the world from another point of view—a way to feel what others are feeling. At UserTesting, we believe empathy is a core component of who we are and how we work, driving us to hold ourselves accountable and ensure we can see and experience things from other people's perspectives. We’re leading a movement for empathy. This means shifting from only seeing business-as-numbers to seeing business for people. This empowers us to bring our authentic selves to work every day, and drives everyone at UserTesting.
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