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Senior Backend Developer

Sydney, Sydney Region🌐 Remote💼 Full-time🗓 2026-04-15 → 2026-08-09

Core

Designing and building RESTful APIs, integrating external services, and maintaining cloud infrastructure for a fintech platform serving Australian small businesses and global enterprise clients.

Role type

Senior Backend Engineer (Ruby on Rails)

Builds

Cloud-based lending comparison platform and embedded finance orchestration 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 SLA management, 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 applications 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

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