Senior iOS Engineer - Fish

About onX

as a pioneer in digital outdoor navigation with a suite of apps, onX was founded in Montana. With more than 400 employees working predominantly in remote or hybrid roles, we provide “Basecamps” that connect remote employees and foster a collaborative culture. We blend our passion for the outdoors with cutting‑edge technology to craft dynamic outdoor experiences.

onX is seeking a Senior iOS Engineer to join the Fish team, responsible for delivering best‑in‑class mobile experiences for outdoor enthusiasts. You will own major components of the iOS app, drive technical decisions, and work cross‑functionally to ship impactful features. This role will report to a Engineering Manager for the Fish team.

• Lead the design, implementation, and delivery of complex features in the onX iOS applications.
• Collaborate closely with Product, Design, and QA to deliver intuitive, performant, and reliable user experiences.
• Mentor and support junior and mid‑level engineers through code reviews, pairing, and technical guidance.
• Influence architectural direction for the iOS app, ensuring scalability, maintainability, and performance.
• Participate in technical discussions and make high‑judgment decisions with long‑term business impact.
• Proactively identify opportunities for innovation and process improvement within the mobile platform.
• Actively contribute to the hiring process: uphold a high bar for technical and cultural fit.

onX supports distributed work from numerous U.S. locations. Candidates may work from our corporate offices, Basecamps, or Connection Hubs.

• Corporate Offices: Missoula, MT and Bozeman, MT.
• Basecamps: Virtual communities within a 90‑mile radius of Austin, TX;
  Charlotte, NC;
  Denver, CO;
  Kalispell, MT;
  Minneapolis, MN;
  Portland, OR;
  Salt Lake City, UT;
  Seattle, WA.
• Connection Hubs: Smaller emerging communities within a 60‑mile radius of Boise, ;
  Charleston, SC;
  Dallas/Fort Worth, TX;
  Phoenix, AZ;
  Richmond, VA;
  Spokane, WA;
  Vermont.

• Bachelor’s degree in Computer Science or equivalent experience.
• 8+ years of experience is required.
• Expertise in Swift and the iOS ecosystem, with a proven track record of shipping production iOS apps at scale.
• Strong grasp of iOS frameworks (UIKit, Swift
  
  UI, etc.) and architectural patterns.
• Experience designing and debugging asynchronous, multi‑threaded applications.
• Proven ability to design scalable mobile systems that integrate with backend APIs.
• Deep understanding of algorithms and data structures with performance trade‑offs in production environments.
• Ability to operate independently on end‑to‑end work streams, from concept through delivery.
• Strong communication skills; ability to mediate technical discussions and build consensus across teams.
• Track record of mentoring engineers and elevating team standards.
• Familiarity with CI/CD pipelines, unit/UI testing, and monitoring tools for mobile applications.
• Demonstrated passion for and alignment with onX’s Company Values.
• Permanent U.S. work authorization.
• Willingness to travel quarterly for up to several days to a corporate office or other onX strategic location.
• Experience integrating systems with Graph
  
  QL.

• Experience with mapping technologies or GIS systems.
• Knowledge and passion for fishing.

Applicants can expect an annual base salary between $146,000 and $182,000, depending on experience, skills, certifications, and education. Full‑time employees receive common stock options with a vesting schedule and may earn a 10% annual bonus tied to company performance.

• Competitive salary, annual bonuses, equity, and growth opportunities.
• Comprehensive health benefits with a no‑monthly‑cost medical plan.
• Parental leave: 5 or 13 weeks fully paid.
• 401(k) matching: 100% for the first 3% contributed and 50% from 3–5%.
• Company‑wide outdoor adventures and industry perks.
• Annual “Get Out, Get Active” stipend for active lifestyles.
• Flexible time‑away package: PTO, STO, VTO, quiet weeks, and floating holidays.

Success relies on strong concentration and problem‑solving. onX offers reasonable accommodations to enable all…