Senior Ruby on Rails Backend Engineer — Remote-Friendly

Valiant Finance; Sydney; Hybrid; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Hybrid working model

8 weeks parental leave

Dog-friendly office

Company-wide events

Job summary

Valiant Finance is seeking a Senior Backend Engineer to own API design and backend systems in a fast-paced fintech. Based in Sydney with hybrid working, you’ll work on RESTful services, database design, and cloud infrastructure while collaborating with product and design teams.

You’ll join a remote-friendly team that values pragmatism, reliability, and clean, well-documented code, with opportunities to impact core lending workflows.

Qualifications

• Minimum 5 years of commercial Ruby on Rails experience.
• Experience integrating with multiple external APIs.
• Experience with PostgreSQL and database design.
• Experience deploying and maintaining infrastructure on AWS, GCP, or Heroku.
• Experience with Rspec and Sidekiq.
• Strong written and verbal communication skills.

Responsibilities

• Design and build RESTful APIs for front-end apps and partners.
• Integrate with external services like Salesforce, Auth0, Cloudflare.
• Architect solutions with HA, security, and performance in mind.
• Maintain infrastructure on a major cloud provider to support growth.
• Write clean, tested, documented code.
• Collaborate with Product and Design to deliver features.

Skills

Ruby on Rails

API Design

PostgreSQL

AWS / Cloud

RSpec

Sidekiq

REST APIs

Communication

Education

Computer Science degree

Tools

Jira

Linear

Job description

Valiant Finance is seeking a Senior Backend Engineer to own API design and backend systems in a fast-paced fintech. Based in Sydney with hybrid working, you’ll work on RESTful services, database design, and cloud infrastructure while collaborating with product and design teams.

You’ll join a remote-friendly team that values pragmatism, reliability, and clean, well-documented code, with opportunities to impact core lending workflows.