Full Stack Developer - AWS

Carecone Group; Sydney; On-site; AUD 120,000 - 150,000; Full time

Job summary

Carecone Group seeks a skilled AWS/Serverless engineer to design, build, and operate a large Lambda estate and associated services. You will manage APIs with API Gateway and AppSync, model data in DynamoDB, and ensure performance, cost control, and observability.

The role requires hands-on experience with serverless tooling, CI/CD, and infrastructure as code, plus collaboration across CMS, Java services, and security teams. Hybrid Sydney-based working arrangement is likely.

Qualifications

• Experience designing, building, and maintaining serverless services on AWS.
• Proficiency with DynamoDB data modeling and access patterns.
• Hands-on experience with Lambda, API Gateway, and AppSync (GraphQL).

Responsibilities

• Design, build, and maintain serverless services using TypeScript and the Serverless Framework on AWS.
• Develop and operate a large Lambda estate (~450 functions), covering performance, cost, concurrency, and observability.
• Build and maintain APIs with API Gateway and AppSync (GraphQL).
• Model and manage data in DynamoDB, including access patterns, indexing, and capacity.
• Build event driven and asynchronous workflows using SQS and Lambda.
• Develop and maintain Next.js applications delivered through CloudFront and S3.
• Manage SFTP based file integrations and S3 data flows.
• Author and maintain infrastructure as code with CloudFormation and Serverless Framework.
• Maintain CMS related services and content delivery.
• Contribute to Java services where required (maintenance and enhancements).
• Contribute to platform operations: maintain AWS accounts, IAM, and guardrails.
• Triage and remediate security findings and vulnerabilities, including dependency and infrastructure issues.
• Support compliance, patching, and upgrade programmes (runtime and library upgrades).

Skills

AWS

TypeScript

DynamoDB

GraphQL

Next.js

SQS

API Gateway

AppSync

CloudFront

S3

Infrastructure as Code

Tools

Serverless Framework

CloudFormation

Job description

• Design, build, and maintain serverless services using TypeScript and the Serverless Framework on AWS.


• Develop and operate a large Lambda estate (~450 functions), covering performance, cost, concurrency, and observability.


• Build and maintain APIs with API Gateway and AppSync (GraphQL).


• Model and manage data in DynamoDB, including access patterns, indexing, and capacity.


• Build event driven and asynchronous workflows using SQS and Lambda.


• Develop and maintain Next.js applications delivered through CloudFront and S3.


• Manage SFTP based file integrations and S3 data flows.


• Author and maintain infrastructure as code with CloudFormation and Serverless Framework.


• Maintain CMS related services and content delivery.


• Contribute to Java services where required (maintenance and enhancements).

Contribute to platform operations:

• Maintain AWS accounts, IAM, and guardrails.


• Triage and remediate security findings and vulnerabilities, including dependency and infrastructure issues.


• Support compliance, patching, and upgrade programmes (runtime and library upgrades).