Senior React Native Engineer — Build Scalable Mobile Apps

Trideca; Sydney; On-site; AUD 150,000 - 190,000; Full time

Job summary

Trideca in Sydney is seeking a Senior Software Engineer – Mobile to join a health services project. You will build mobile-first features in React Native, with collaboration across web and backend with Product Managers, Designers and Engineers.

You will own quality end-to-end, drive performance, and help shape architecture while applying secure coding and modern dev practices. The role offers a dynamic, flexible work environment and opportunities to grow with a values‑driven team.

Qualifications

• Proven experience in React Native mobile app development.
• Strong JavaScript/TypeScript skills.
• Experience building and consuming RESTful APIs.
• Strong mobile UX and performance awareness.
• Experience with React on the web.
• Experience in agile teams (Scrum/Kanban).
• Knowledge of test-driven development, CI/CD and modern development workflows.
• Proficiency with Git and modern development tooling.

Responsibilities

• Build mobile-first features in React Native, and contribute to web and backend systems where the work requires it.
• Design technical solutions across the mobile, web and backend layers, and work with other teams to pressure-test requirements and surface issues before implementation rather than after.
• Own quality end to end — testing, troubleshooting, code review, and testing strategies spanning unit, integration and end-to-end coverage.
• Identify, prioritise and advocate for technical debt reduction, and lead the refactoring that improves maintainability and system architecture.
• Drive performance optimisation and scalability, and establish quality metrics, logging, monitoring and alerting so system health is observable rather than assumed.
• Coordinate technical decisions and integration points with other engineering teams, and contribute to engineering chapter meetings and wider technical discussion.
• Partner with infrastructure and DevOps on deployment and operational excellence, and with security on secure coding practices and vulnerability management.

Skills

React Native

JavaScript

TypeScript

RESTful APIs

Mobile UX

React (Web)

Agile (Scrum/Kanban)

Test-driven development

CI/CD

Git

Tools

Node.js

CI/CD pipelines

Crashlytics

Cloud platforms

Job description

Trideca in Sydney is seeking a Senior Software Engineer – Mobile to join a health services project. You will build mobile-first features in React Native, with collaboration across web and backend with Product Managers, Designers and Engineers.

You will own quality end-to-end, drive performance, and help shape architecture while applying secure coding and modern dev practices. The role offers a dynamic, flexible work environment and opportunities to grow with a values‑driven team.