Senior Full Stack Engineer
6-month day-rate contract for a senior full-stack engineer in Sydney (hybrid, North Sydney), building scalable APIs, cloud-native services and event-driven microservices on AWS for a large Australian organisation's modernisation program. Core stack: .NET/C#, Node.js, TypeScript, React, and AWS services like Lambda, DynamoDB and Kafka.
- Compensation
- Not disclosed
- Location
- Sydney NSW
- Work setup
- Hybrid
- Seniority
- Senior
- Employment
- Contract
- Experience
- 8+ years
- Category
- Fullstack
- Posted
Skills
Must have
- 8+ years' experience in software engineering with strong hands-on full stack development experience
- Strong commercial experience with both .NET/C# and Node.js
- Proficiency in TypeScript and React for frontend development
- Extensive experience designing and developing RESTful APIs and microservices
- Strong commercial experience working within AWS cloud environments
- Understanding of event-driven architecture, asynchronous processing and Kafka
- Experience with PostgreSQL, Aurora or DynamoDB
- Knowledge of API security, authentication and authorisation
- Experience with CI/CD pipelines, automated testing and modern engineering practices
- Strong problem-solving skills and the ability to work across complex technical environments
Full description
**Senior Full Stack Software Engineer
Must have tech stack: **.NET, Node.js, React & AWS
- Sydney based
- Hybrid working
- 6 day rate month contract
- Lucrative day rate
We're partnering with an established Australian organisation undergoing a significant technology modernisation program to recruit an experienced Senior Full Stack Software Engineer.
This is an opportunity to work on a large-scale, business-critical digital platform, building scalable APIs, modern cloud-native applications and event-driven services within a complex AWS environment.
You'll join a collaborative engineering team focused on delivering secure, high-performing solutions and improving the reliability and scalability of its technology platforms.
The Role
- Design, develop and maintain scalable applications using .NET, C#, Node.js, TypeScript and React.
- Build and integrate RESTful APIs across internal and external systems.
- Develop cloud-native solutions leveraging AWS services including Lambda, API Gateway, DynamoDB, S3, SQS and EventBridge.
- Work with event-driven architectures, Kafka and microservices.
- Develop and maintain backend services using .NET and Node.js.
- Implement secure authentication and authorisation using OAuth2, JWT and Auth0.
- Contribute to automated testing, CI/CD pipelines and engineering best practices.
- Collaborate with architects, product owners and engineering teams to deliver complex integration solutions.
What We're Looking For
- 8+ years' experience in software engineering, with strong hands-on full stack development experience.
- Strong commercial experience with both .NET/C# and Node.js.
- Proficiency in TypeScript and React for frontend development.
- Extensive experience designing and developing RESTful APIs and microservices.
- Strong commercial experience working within AWS cloud environments.
- Understanding of event-driven architecture, asynchronous processing and Kafka.
- Experience with PostgreSQL, Aurora or DynamoDB.
- Knowledge of API security, authentication and authorisation.
- Experience with CI/CD pipelines, automated testing and modern engineering practices.
- Strong problem-solving skills and the ability to work across complex technical environments.
Why Consider This Opportunity?
- Work on a major technology transformation program.
- Build and enhance high-volume, business-critical digital platforms.
- Work across both .NET and Node.js backend technologies.
- Gain exposure to modern AWS architecture and event-driven technologies.