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UserTestingUS

Senior Full Stack Engineer (backend focused)

UserTesting is the fastest and most advanced user experience testing platform on the market.

UserTesting

Employee count: 1001-5000

Canada only

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 (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 smartly, mentor others, and design efficient, maintainable solutions that deliver value quickly. You’ll be part of a supportive, inclusive team that values collaboration, transparency, and continuous improvement, guided by agile practices and grounded in our core values of teamwork, accountability, proactivity, and growth.

What You'll Do:

  • Design and implement scalable, maintainable backend systems and APIs

  • Write clean, reliable code with strong testing and documentation practices

  • Align with existing architectural patterns while contributing to their evolution

  • Communicate and document work to support smooth deployment and knowledge sharing

  • Participate in code reviews, demos, and sprint reviews, contributing to a culture of engineering excellence

  • Collaborate with product and design to deliver solutions that meet user needs

  • Mentor junior engineers, sharing best practices and guiding technical decisions

  • Proactively identify opportunities to streamline development while maintaining user value

What we are looking for

  • Strong expertise in Ruby, Rails, NodeJS,React, 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 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.

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Canada +/- 0 hours

About UserTesting

Learn more about UserTesting and their company culture.

View company profile

UserTesting is the fastest and most advanced user experience testing platform on the market. The company gives marketers, product managers, and UX designers on-demand access to people in their target audience who deliver audio, video, and written feedback on websites, mobile apps, prototypes, and even physical products and locations.

Our top-ranked user research platform

  • Receive your test results within an hour

  • Reach your exact target audience

  • Access an expert research and testing team

  • Annotate, bookmark and create clips of your videos

  • Easily share results with your team

  • Save time with test summaries and reporting features

  • White label your videos and reports

Employee benefits

Learn about the employee benefits and perks provided at UserTesting.

View benefits

Disability insurance

Disability insurance so you don't have to worry.

Employee assistance program (EAP)

We offer an employee assistance program focused on mental health.

Home office budget

UserTesting reimburses its employees up to $300 for a life-time max.

Commuter benefits

Save pre-tax dollars through our flexible savings account for parking or transit.

View UserTesting's employee benefits
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UserTesting

Company size

1001-5000 employees

Founded in

2007

Chief executive officer

Andy MacMillan

View company profile

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