Note: The job is a remote job and is open to candidates in USA. onXmaps, Inc. is a high-growth tech company focused on using technology to enhance outdoor experiences. They are seeking a Senior Backend Engineer to design, develop, and scale secure authentication and user management systems that are essential to their platform.
Responsibilities
- Build scalable, secure IAM services that enable new features and products across the onX suite of apps
- Design and implement backend systems focusing on observability, fault-tolerance, security, and high performance
- Drive architectural decisions related to Identity and Access Management, ensuring alignment with and advancing our broader platform strategy
- Define and implement SLIs/SLOs for IAM services; drive reliability engineering practices including incident response and performance optimization
- Write thorough unit, integration, and acceptance tests to ensure high service quality and maintainability
- Document APIs, service architectures, and technical decisions for internal stakeholders and external partners as needed
- Collaborate closely with fellow engineers, product managers, and other stakeholders through design reviews, paired programming, and cross-functional planning sessions
- Leverage and extend existing onX services and platform patterns to drive consistency and reduce duplication
- Proactively improve system monitoring, alerting, diagnostics, and operational readiness of IAM-related services
- Participate in an on-call rotation to ensure backend services remain highly available and reliable
- Mentor and share knowledge with engineers on your team
- Lead by example and embody onX's company values, fostering a culture of technical excellence, ownership, and collaboration
Skills
- B.S., M.S., or equivalent experience in computer science or a related field
- Eight or more years of professional software development experience, with API development as a primary focus for at least three of those years
- Strong Go/Golang backend development experience with RESTful API design
- Experience building and debugging distributed, scalable, highly available microservices architecture
- Solid understanding of identity systems: OAuth 2.0, session management, bearer token authentication, SSO integrations
- Experience with distributed databases (CockroachDB or similar PostgreSQL-compatible distributed systems) and relational databases (PostgreSQL, MySQL)
- Excellence in designing and developing modern APIs and scalable systems that ensure reliability and extensibility
- Familiarity with Docker, Kubernetes, and infrastructure-as-code technologies such as Terraform
- Strong computer science foundation
- Security-first mindset -- you think about threat models, secure defaults, and defense in depth as part of your design process
- You evaluate technologies and solutions based on merit, stability, performance, and the ability to debug
- Ability to write maintainable, well-tested code that's easy for others to understand
- A strong sense of ownership of your work
- Advocacy for customers -- both internal colleagues and end users -- and their experience
- Permanent US work authorization is a condition of employment with onX
- Experience with identity platforms such as Ory Kratos, Auth0, Cognito, or similar
- Experience with the Ory Stack, especially Hydra, Kratos, and Oathkeeper
- Experience with Authzed SpiceDB, Google Zanzibar, or AWS Cedar for fine-grained authorization
- Understanding of mobile authentication patterns: WebView vs. browser auth tradeoffs, token-based flows across iOS/Android/web
- Reliability engineering experience: SLI/SLO implementation, incident response, performance optimization
- SOC2 compliance experience or familiarity with security audit frameworks
- Experience with Elixir or the Phoenix Framework
- Familiarity with Google Cloud Platform
- Experience working with a distributed team
Benefits
- Full-time onX employees are eligible for a grant of common share options with a vesting schedule
- A potential annual bonus of 10% based on company performance
- Competitive salaries, annual bonuses, equity, and opportunities for growth
- 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 Overview
Important Alert: There is an active job scam using the false domain of careers-onXmaps.com. It was founded in 2009, and is headquartered in Missoula, Montana, USA, with a workforce of 201-500 employees. Its website is https://www.onxmaps.com/.