Senior Back End Developer

Cardo Systems is a provider of cutting-edge communication and connectivity devices and applications for powersports and outdoor enthusiasts. In 2026, Cardo is proudly unveiling its Beyond Helmet line, the first of its kind in the motorcycle industry, fostering a new age in safety, sound, and communications. After pioneering the world’s first Bluetooth-based wireless intercom headset in 2004, Cardo has been responsible for many of the industry’s innovations, revolutionizing communication, pushing technologic Cardo Ride is the official riding app by Cardo and is a consumer mobile app used by motorcycle riders worldwide to discover routes, navigate tours, record rides, and share experiences with the community. The backend powers mobile clients, APIs, routing/navigation, data processing, and scalable infrastructure. We are hiring a Backend Developer, DevOps Engineer to replace an existing role and continue development and operation of our backend, infrastructure, and routing/navigation engine for Cardo Ride, a mobile app for motorcycle riders to plan, track, and share motorcycle tours. The role combines hands-on backend development, infrastructure ownership, and work on our routing engine used for navigation, alongside the rest of the Cardo Ride development team. What You’ll Do Backend Development Sole ownership of developing and maintaining backend services and APIs Work with Ruby on Rails monolith and Go microservices Design and operate PostgreSQL-based data models, including the PostGIS extension Build and maintain REST and gRPC services Ensure code quality, maintainability, and reliability Experience with GIS (Geographic Information Systems) Make architectural and technical decisions Preparation of information on statistical data (eg, in Grafana) Service mobile apps, web, marketing, and customer support needs Infrastructure / DevOps Sole ownership and maintenance of Linux-based systems (Cloud and Dedicated servers) FreeBSD knowledge is a plus, but not required Automate infrastructure and deployments using Ansible and Capistrano Scale, operate, and administer PostgreSQL databases (backup, pgbouncer, etc.) Monitor system performance, availability, and stability Resolve production issues and implement continuous improvements Budget and plan infrastructure requirements Tech Stack Backend Ruby on Rails and Sidekiq PostgreSQL and PostGIS Redis Go Experience with Kotlin. Node.js and gRPC are a plus Stripe and RevenueCat Infrastructure / DevOps Linux (required) FreeBSD (optional/nice to have) Ansible Capistrano, Sidekiq PostgreSQL/PostGIS, scaling & administration (pgbouncer) Requirements Education & Experience Degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience 5–7+ years of professional experience in backend development, DevOps, or a combined role Proven experience working with production systems (design, deployment, and operation) Strong hands-on experience as a lead engineer of a production backend Experience with databases, especially PostgreSQL and PostGIS, including performance optimization and scaling Very comfortable with writing SQL and knowledge of using PostGIS, map projections, etc. Practical experience with Linux-based systems in production environments Experience with infrastructure automation and deployment tools (e.g., Ansible, Capistrano) Experience working on distributed systems, APIs, or service-oriented architectures (e.g., gRPC) Exposure to or experience with routing, navigation (e.g., GraphHopper, OSM) is a strong plus Comfortable working in environments that combine development and operational responsibilities (DevOps mindset) Profile Comfortable with taking complete ownership and responsibility for both day-to-day execution and long-term improvements Able to work independently while collaborating effectively with product, mobile, and cross-functional teams Pragmatic, hands-on, and comfortable working in a fast-moving environment with evolving priorities Strong sense of ownership for quality, reliability, and continuous improvement Curious and product-minded, with an interest in building user-facing experiences that support real-world rider journeys Comfortable balancing technical depth with a practical business and user perspective Clear communicator who can work well with both technical and non-technical stakeholders Motivated by building stable, scalable solutions that have a visible impact on the user experience Interest in consumer products, mobility, or location-based experiences is a plus A strong fit for someone who enjoys working close to the product and seeing their work reflected in real customer use Affinity for the riding world or enthusiasm for the product domain is a nice advantage We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.