onXmaps, Inc. · 1 day ago
Senior iOS Engineer - Fish
OnXmaps, Inc. is a pioneer in digital outdoor navigation with a suite of apps, committed to awakening the adventurer inside everyone. They are seeking a Senior iOS Engineer to deliver best-in-class mobile experiences for outdoor enthusiasts, driving technical decisions and collaborating cross-functionally to enhance the iOS app.
GPSInformation ServicesInformation TechnologyMobile Apps
Responsibilities
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 by upholding a high bar for technical and cultural fit
Qualification
Required
Bachelor's degree in Computer Science or equivalent experience
8+ years of experience is required
Expert in Swift and the iOS ecosystem, with demonstrated experience shipping production iOS apps at scale
Strong grasp of iOS frameworks (UIKit, SwiftUI, etc.) and architectural patterns
Experience designing and debugging asynchronous, multi-threaded applications
Proven ability to design and implement scalable mobile systems that integrate with backend APIs
Deep understanding of algorithms, data structures, and their performance tradeoffs in production environments
Ability to operate independently on end-to-end workstreams, from concept through delivery
Strong communication skills; able to mediate technical discussions and build consensus across teams
Track record of mentoring other engineers and elevating team standards
Familiarity with CI/CD pipelines, unit/UI testing frameworks, and monitoring tools for mobile applications
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 quarterly for multiple days to a corporate office or other onX strategic location, such as a Basecamp
Experience integrating systems with GraphQL
Preferred
Experience with Mapping technologies and/or GIS systems
Knowledge and Passion for Fishing!!
Benefits
Comprehensive health benefits including a no-monthly-cost medical plan
Parental leave plan of 5 or 13 weeks fully paid
401k matching at 100% for the first 3% you save and 50% from 3-5%
Company-wide outdoor adventures and amazing outdoor industry perks
Annual “Get Out, Get Active” funds to fuel your active lifestyle in and outside of the gym
Flexible time away package that includes PTO, STO, VTO, quiet weeks, and floating holidays
Company
onXmaps, Inc.
Important Alert: There is an active job scam using the false domain of careers-onXmaps.com.
Funding
Current Stage
Growth StageTotal Funding
$195.08MKey Investors
TCVSummit Partners
2025-11-03Private Equity
2022-10-04Series B· $87.4M
2021-10-20Series Unknown· $87.38M
Recent News
2025-10-17
News is my Business
2025-10-03
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