Web Engineer III

ABOUT onXWe’re a team of builders, adventurers, and risk takers using technology to help people confidently explore the outdoors. Driven by our mission to awaken the adventurer inside everyone, we build products that optimize every outdoor experience and inspire confidence to get out and go further.

We’re a high-growth tech company. The pace is fast, the work takes grit, and ambiguity is part of the job. As the world changes around us, we adapt - continuously evolving how we build, prioritize, and deliver.

Our business moves quickly, and there’s real opportunity to shape what we build next. Each of our verticals - Hunt, Offroad, Backcountry, and Fish - is at a different stage of maturity, which means the challenges you encounter and the impact you have will vary depending on where you sit and what the business needs most.

We operate with an experimentation mindset, continually iterating and improving how we solve problems. We expect our people to use the latest tooling, including AI, thoughtfully and responsibly, pairing human judgment with technology to increase quality, speed, and impact.

Our impact comes to life through the products we build, in the stories of our customers, and in our growing commitment to land stewardship and recreational access.

ABOUT THIS OPPORTUNITYonX is seeking a Web Software Engineer III who will contribute to meaningful, real-world outcomes that have a lasting impact for customers and the business. In this role, you’ll build and scale experiences for hunters as part of the Hunt team. You’ll support onX's goal of delivering a best-in-class Hunt experience from onboarding through the season. You’ll take ownership of your work, collaborate closely with partners across the organization, and help move initiatives forward in an environment where priorities evolve, learning is celebrated, and you’re encouraged to keep stretching your skills.

This role will report to an Engineering Manager.

WHAT YOU'LL DO Essential

Job Duties & Functions Build, support, and evolve our web products for hunters using technologies like Type Script, Vue, GraphQL (Apollo Client), and Mapbox Own technical solutions from ideation through delivery, collaborating in decisions about architecture, performance, scalability, reliability, and maintainability

Partner with Product, Design, QA, and engineers across teams to deliver cohesive, high-quality customer experiences and navigate cross-team dependencies

Run and instrument A/B tests and feature rollouts using Split, Eppo, and Amplitude, to measure impact and make data-informed decisions

Raise the quality bar through design reviews, mentorship, and frontend best practices across teams

Monitor production health and participate in triaging and resolving incidents affecting web experiences

Write unit and end-to-end tests using Jest, Vitest, Cypress, and/or Playwright Look for opportunities to embed AI as a repeatable co-pilot in daily workflows by integrating experimentation into real work, and continuously refining its use with sound judgment and validation. WHAT YOU’LL BRING Bachelor’s degree in Computer Science or equivalent experience. Four (4) or more years of professional software development experience is required, where at least two (2) years were focused on web client development

You have a strong foundation in JavaScript/Type Script, HTML/CSS, and browser fundamentals

Experience with modern web frontend frameworks such as Vue, React, or Angular Experience working with REST APIs and/or Apollo Client with GraphQLExperience writing unit tests with Jest or VitestA strong sense of ownership and a get stuff done attitudeA willingness to collaborate, provide and receive mentorship, and advocacy for the customer experienceA strong curiosity for exploring…