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Senior Engineer

Melbourne💼 Full-time🗓 2026-07-07 → 2026-10-02

Core

Senior Software Engineer building React TypeScript frontend and Ruby on Rails backend features and infrastructure for real estate agents in Australia and New Zealand.

Role type

Senior Software Engineer (Full Stack)

Builds

Production features and infrastructure for real estate agents

Domain

Real Estate Technology (PropTech) (via careerplan.io/jobs/R39305-1-senior-engineer-at-costar)

Deliverable

product features

Required skills

TypeScript, React, Ruby on Rails, PostgreSQL, AWS, CI/CD, Terraform, System Design, Testing (RSpec/Cypress), Observability

Preferred skills

Sidekiq, Redis, Feature flagging, API integrations

Technologies

React, TypeScript, Ruby on Rails, PostgreSQL, Sidekiq, AWS, Terraform, NewRelic, Cypress, RSpec

Responsibilities

Design and build frontend features using React and TypeScript; Develop backend services using Ruby on Rails and manage database performance; Implement comprehensive testing strategies; Monitor production systems and ensure observability; Mentor team members and improve engineering processes.

Seniority

Senior, hands-on IC