Backend Engineer III - Growth

onX • Bozeman, MT

7d • Remote

About The Position

onX is seeking a Backend Engineer with a passion for building reliable, well-tested backend services that solve user problems. Your focus will be on the shared platform infrastructure behind content experimentation, event tracking, and app-start fidelity. You will be a part of our Growth Infrastructure team, a horizontal platform team that supports Growth engineering across all of onX's verticals (Hunt, Offroad, Backcountry, Fish). This is a great opportunity to be a part of a dynamic, growing company focused on making an impact on the business, and to build infrastructure that other Growth teams rely on directly. This role will serve as a core backend contributor at onX and will report to the Growth Infrastructure Engineering Manager.

Requirements

• Bachelor's degree in computer science, computer engineering, or equivalent experience
• 5+ years of professional software development experience, primarily in API development, is required
• 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

Nice To Haves

• Experience with Go or similar backend languages
• Familiarity with Docker, Kubernetes, and infrastructure-as-code technologies such as Terraform
• Familiarity with a major cloud platform (Google Cloud Platform preferred)
• Exposure to A/B testing or experimentation platforms (e.g., Eppo)

Responsibilities

• Build and maintain scalable services supporting Growth Infrastructure initiatives, including content experimentation and event tracking
• Write unit, integration, and acceptance tests
• Participate in architectural discussions and contribute design proposals for our services
• Collaborate effectively with other engineers, PMs, and cross-functional stakeholders (mobile, BI, marketing)
• Leverage and extend existing onX services rather than reinventing them
• Proactively identify and use AI workflows that increase velocity while not degrading quality.
• Participate in an on-call rotation to support backend services after work hours

Benefits

• Competitive salaries, annual bonuses, equity, and opportunities for growth
• Comprehensive health benefits, including a no-monthly-cost medical plan
• Paid parental leave of 13 weeks for birthing parents and 5 weeks for non-birthing parents
• 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
• Flexible time away package that includes PTO, STO, VTO, and paid holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior