Senior Full-Stack Web Engineer — React/TypeScript & .NET

Commonwealth Bank; Sydney; On-site; AUD 180,000 - 280,000; Full time

Job summary

Commonwealth Bank's CommSec Technology is seeking a senior technical leader to own delivery across full-stack web applications and digital product services used by investors. You will drive architecture, build scalable REST APIs with C#/.NET, and work across frontend React UI and cloud-native backend services in AWS.

You will mentor engineers, uphold CI/CD and testing practices, and partner with product and design teams to deliver high-impact customer outcomes at scale.

Qualifications

• Deep full-stack web application development experience across React, TypeScript, C#, .NET and REST APIs.
• Experience building modern, scalable customer-facing applications using React and TypeScript.
• Design and develop secure REST APIs and services using C#/.NET and AWS.
• End-to-end ownership across the full software development lifecycle.
• Lead solution design and architecture decisions balancing scalability, security and reliability.
• Apply engineering best practices including CI/CD, automated testing, observability and performance optimization.
• Leverage AWS, Docker and Kubernetes to deliver cloud-native applications.
• Mentor engineers and drive technical excellence.

Responsibilities

• Lead technical delivery and architectural decisions for web apps and services.
• Collaborate with product, design and business teams to deliver high-quality technical solutions and customer outcomes.
• Ensure security, reliability and performance of digital investing platform.
• Provide mentorship to engineers and foster continuous improvement.

Skills

React

TypeScript

C#

.NET

REST APIs

AWS

Docker

Kubernetes

Full Stack

CI/CD

Tools

AWS

Job description

Commonwealth Bank's CommSec Technology is seeking a senior technical leader to own delivery across full-stack web applications and digital product services used by investors. You will drive architecture, build scalable REST APIs with C#/.NET, and work across frontend React UI and cloud-native backend services in AWS.

You will mentor engineers, uphold CI/CD and testing practices, and partner with product and design teams to deliver high-impact customer outcomes at scale.