Principal Full-Stack Engineer (C#/React/AWS) | Hybrid

Intertek; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work environment

Office in Sydney CBD near Wynyard

Inclusive team

Professional culture

Job summary

Intertek is seeking a Principal Full-Stack Engineer (C# / React / AWS) in Sydney to shape the future of our web, mobile, and API platforms. This senior role sets standards, drives innovation, and mentors developers across multiple projects while staying hands-on.

You will lead technical direction across front-end, back-end, mobile, and cloud, design scalable APIs, and evolve containerised/serverless workloads with Docker, AWS ECS, and Lambda.

Qualifications

• Experience shaping web, mobile, and API platforms with a mix of front-end and back-end tech.
• Strong leadership for setting development standards and mentoring across multiple teams.
• Hands-on coding alongside architecture decisions and delivery accountability.

Responsibilities

• Set technical direction across front-end, back-end, mobile, and cloud.
• Design scalable APIs and data solutions using MySQL, SQL Server, Redis, and OpenSearch.
• Shape and evolve containerised and serverless workloads (Docker, AWS ECS, Lambda).
• Guide teams using React, Next.js, Vue, C#, .NET, and modern CI/CD pipelines.
• Collaborate with product, UX, QA, DevOps, and analytics teams.

Skills

C#

React

AWS

OpenSearch

Docker

Kubernetes

Next.js

Vue

SQL

CI/CD

Tools

Terraform

AWS ECS

Lambda

S3

RDS

Job description

Intertek is seeking a Principal Full-Stack Engineer (C# / React / AWS) in Sydney to shape the future of our web, mobile, and API platforms. This senior role sets standards, drives innovation, and mentors developers across multiple projects while staying hands-on.

You will lead technical direction across front-end, back-end, mobile, and cloud, design scalable APIs, and evolve containerised/serverless workloads with Docker, AWS ECS, and Lambda.