Senior Backend Developer
Core
Designing and building RESTful APIs, integrating external services, and maintaining cloud infrastructure for a fintech platform serving Australian small businesses and enterprise clients.
Role type
Senior Backend Engineer (Ruby on Rails)
Builds
Cloud-based lending platform and embedded finance infrastructure
Domain
Fintech / Lending / Enterprise Technology
Deliverable
production ML models | product features | infrastructure
Required skills
Ruby on Rails, PostgreSQL, AWS/GCP/Heroku, REST API design, Sidekiq, Rspec, external API integration
Preferred skills
Security best practices (OWASP/STRIDE), distributed systems synchronization, high-volume production SLAs, financial services domain knowledge
Technologies
Ruby on Rails, PostgreSQL, AWS, GCP, Heroku, Salesforce, Auth0, Cloudflare, Sidekiq, Rspec, Linear, Jira
Responsibilities
Designing and building RESTful APIs for front-end and partners; Integrating with external services; Architecting high-availability and secure solutions; Maintaining cloud infrastructure; Writing tested and documented code; Collaborating with Product and Design teams
Seniority
Senior, hands-on IC