Senior Full-Stack Engineer — Build Scalable Outdoor APIs

Make Choteau Home; Town of Montana (WI); On-site; USD 130,000 - 153,000; Full time

Benefits offered by this job

Health benefits

No-monthly-cost medical plan

Parental leave

401k matching

Outdoor adventures

Get Out Get Active funds

Flexible time away

Job summary

onX is seeking a Software Development Engineer (full-stack) to help build and evolve the technology powering onX Hunt. You’ll work across the stack, focusing on services, APIs, and data that connect hunter experiences from start to planning and navigation.

You’ll collaborate with engineers and product managers to craft scalable, reliable solutions, mentor teammates, and explore AI-enabled workflows while maintaining ownership of critical components.

Qualifications

• Bachelor's degree in computer science, software engineering, computer engineering, a related field, or equivalent experience.
• Five (5) or more years of professional software development experience is required, where API development was your professional focus for at least three (3) or more years.
• Experience building and debugging distributed, scalable microservices architectures.
• You are well-versed in modern API and systems design and development, with a strong computer science foundation.
• Experience with relational databases such as MySQL and PostgreSQL.
• Experience working in Go, Elixir or other functional programming languages
• Experience with iOS or Android development
• You evaluate technologies and solutions based on merit, stability, performance, and the ability to debug, and you write maintainable, well-tested code that's easy for others to understand.
• A strong sense of ownership, a desire to mentor and be mentored, and advocacy for the customer and their experience.
• A strong curiosity for exploring new technologies, including AI.
• A shared passion for and ability to demonstrate onX's Company Values.
• You want to work with other happy, talented engineers.
• You write great code and get stuff done.
• 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.

Responsibilities

• Design, build, and evolve customer-facing Hunt experiences across mobile applications, APIs, backend services, and data systems.
• Own technical solutions from design through delivery, making sound decisions about architecture, performance, scalability, reliability, security, and maintainability.
• Build and support large-scale systems throughout their lifecycle, diagnosing complex technical issues and continuously improving the systems you own.
• Partner with Product, Design, QA, and engineers across teams to deliver cohesive, high-quality customer experiences and navigate cross-team dependencies.
• Write maintainable, well-tested code and use unit, integration, and acceptance testing to ensure the reliability and performance of the systems you build.
• Review code, share technical knowledge, and mentor and support other engineers in strengthening their craft.
• 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

Skills

API development

Microservices

Go/Elixir

iOS/Android

Relational databases

Distributed systems

Testing

Code review

Mentoring

Ownership

AI interest

Education

Bachelor's degree in CS or related

Tools

GraphQL

Python

Docker

Kubernetes

Terraform

Google Cloud Platform

PostGIS

CockroachDB

Event-based workflows

Distributed teams

Job description

onX is seeking a Software Development Engineer (full-stack) to help build and evolve the technology powering onX Hunt. You’ll work across the stack, focusing on services, APIs, and data that connect hunter experiences from start to planning and navigation.

You’ll collaborate with engineers and product managers to craft scalable, reliable solutions, mentor teammates, and explore AI-enabled workflows while maintaining ownership of critical components.