Senior React Web Apps Engineer – Lead & Scale

Commonwealth Bank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank’s CommSec division is seeking a Staff Software Engineer focused on web applications with deep React expertise. You will own frontend architecture, deliver scalable, high-performing customer experiences and mentor engineers across squads.

You’ll work closely with product, design and backend teams to modernise web services used by Australian investors, embracing micro-frontend concepts and CI/CD practices. This senior role shapes the future of online investing at scale.

Qualifications

• Proven React development experience and strong UI architecture.
• Experience leading frontend delivery and defining reusable patterns.
• Knowledge of REST APIs and frontend-backend integration.

Responsibilities

• Lead hands-on development and mentor engineers across the team.
• Drive architecture decisions and modernise the CommSec web platform.
• Collaborate with product, design and backend teams to deliver scalable web apps.

Skills

React development

UI architecture

Front-end leadership

REST APIs

C#/.NET (bonus)

CI/CD

Testing (Vitest/Playwright)

Tools

GitHub Actions

TeamCity

Playwright

Vitest

Job description

Commonwealth Bank’s CommSec division is seeking a Staff Software Engineer focused on web applications with deep React expertise. You will own frontend architecture, deliver scalable, high-performing customer experiences and mentor engineers across squads.

You’ll work closely with product, design and backend teams to modernise web services used by Australian investors, embracing micro-frontend concepts and CI/CD practices. This senior role shapes the future of online investing at scale.