Senior Backend Engineer - Content

ABOUT onX We’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. WHAT YOU WILL DO onX is seeking a talented Senior Backend Engineer to join our Content Delivery team. In this role, you will build the backend infrastructure that powers offline map experiences for millions of outdoor enthusiasts. You will work on high-performance data pipelines, map tile generation and delivery systems, and large-scale geospatial data processing -- turning terabytes of cartographic data into fast, reliable, offline-capable map content across onX's suite of apps. We practice data-driven decision making and emphasize experimentation. Engineers on our team have ownership and autonomy to create, develop, and analyze their work in the context of greater company objectives. This is a great opportunity to solve hard problems at the intersection of geospatial technology, large-scale data processing, and outdoor recreation. This position reports to a Software Engineering Manager III. TECHNOLOGIES WE USE Our backend engineers primarily work in Go running in Kubernetes on Google Cloud Platform. The Content Delivery team works extensively with geospatial technologies (PostGIS, vector/raster tile processing, GEOS), GCP data services (Cloud Storage, Dataflow, Cloud Functions, Firebase), and CDN/caching infrastructure for map tile delivery. Experience with large-scale ETL pipelines and offline-first content synchronization patterns is particularly relevant. As an onX Senior Backend Engineer, your day to day responsibilities would look like: (Essential Job Duties) Build and maintain scalable services to support new features and products across the onX suite of apps Build high-performance backend services and data pipelines for map tile generation, compression, caching, and delivery Design and implement systems for processing terabytes of cartographic and geospatial data using distributed architectures Develop and optimize offline-first architecture and content synchronization patterns across mobile platforms Architect CDN strategies and caching layers for efficient tile delivery at scale Write unit, integration, and acceptance tests Participate in and drive architectural decisions involving geospatial data services and delivery infrastructure Collaborate effectively with cross-functional team members and stakeholders Leverage and extend existing onX platform services and patterns Design and instrument systems to monitor key performance indicators for data pipelines and tile delivery Participate in an on-call schedule to support backend services Lead by example -- embody onX's company values, fostering a culture of technical excellence, ownership, and collaboration LOCATION onX has created a thriving distributed workforce community across several US l ... (truncated, view full listing at source)