> Markdown version of [/jobs/ext/3953075-web-engineer-iii](https://www.wearedevelopers.com/jobs/ext/3953075-web-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Web Engineer III - **Company:** OnXmaps, Inc. - **Location:** Denver, CO, United States (Remote available) - **Experience:** Experienced - **Salary:** $130,000.0 - $153,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), A/B Testing, Artificial Intelligence, Unit Testing, Data Mapping, Web Development, Web Servers, E2e Testing, Software Engineering, TypeScript, ReactJS, Cypress (Programming Language), Caching, Backend, Vue.js, AngularJS, Information Technology, Playwright, Graphql, Front End Software Development, JestJS, Restful APIs, Basecamp - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/web-engineer-iii-denver-co--61d1b163-1141-4668-9628-69fbfbac48a3 ## About the Role Web Programming, Risk, Product Development, Establish Priorities, High Tech Industry, Problem Solving Skills, Machine Tool, Artificial Intelligence (AI), Stewardship, Onboarding, * 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/TypeScript, 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 GraphQL * Experience writing unit tests with Jest or Vitest * A strong sense of ownership and a get stuff done attitude * A willingness to collaborate, provide and receive mentorship, and advocacy for the customer experience * Willingness to flex across and contribute to platforms outside of Web, such as mobile clients or backend, when team priorities require it * A strong curiosity for exploring new technologies, including AI * A shared passion for and ability to demonstrate onX's Company Values. * Permanent US work authorization is a condition of employment with onX. * Ability to travel on occasion for multiple days to a corporate office or other onX strategic location, such as a Basecamp. ADDED BONUSES Though not required, we would be thrilled to consider candidates with any of the following: * Experience with TypeScript and Vue * Familiarity with experimentation and analytics tooling - e.g., Split/Eppo, client event instrumentation with Amplitude * Experience with Mapbox or other mapping tools * Experience across other platforms (mobile and backend) * Familiarity with caching using Apollo Client for GraphQL * Experience writing end-to-end tests with Playwright or Cypress ## Description onX 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., * Build, support, and evolve our web products for hunters using technologies like TypeScript, 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.