Title:-
Senior Full Stack Software Engineer (.NET, React, AWS)
Location
:- Sydney
Duration:-
6 Months Extendable
Project Description:
We are seeking a highly experienced Senior Software Engineer to join a high-performing delivery team focused on digital transformation, workflow automation, enterprise integrations, and cloud-native application development. This is a hands-on engineering role requiring strong expertise in backend development using .NET and AWS, while also contributing to frontend development using React.
The successful candidate will operate between a Senior and Staff Engineer level, contributing to solution design, low-level design (LLD), implementation, deployment, and ongoing enhancement of enterprise-grade applications supporting government schemes, mortgage/home loan processing, and workflow automation initiatives.
Skills required:
8+ years of software engineering experience.
Robust experience in enterprise Full Stack Development.
Proven experience working in complex enterprise environments.
Strong stakeholder engagement, communication, and collaboration skills.
Backend & Full Stack Technologies
Extensive hands-on experience with:
Strong understanding of:
API design and development
Service-oriented architectures
Proven experience building and deploying applications on AWS.
Hands-on experience with:
AWS ECS and/or EKS (Mandatory)
Experience with:
Scalable and resilient application design
Integration & Messaging Technologies
Hands-on experience with at least one of the following:
Security & API Authentication
Strong understanding of:
API authentication and authorization mechanisms
Secure API exposure to upstream and downstream systems
Enterprise integration security practices




Authentication and access management concepts
DevOps & CI/CD
Mandatory experience in CI/CD and DevOps practices, including:
Automated build and deployment pipelines
Release management
Monitoring and deployment automation
Database Technologies
Experience with:
Other enterprise relational database platforms
Nice To Have:
Enterprise workflow orchestration platforms
Domain Experience (Highly Desirable)
Experience in one or more of the following domains:
Banking and Financial Services
Mortgage and Home Loan Platforms
AWS Government Services Platform (GSP) or similar government cloud environments
Enterprise Workflow Automation and Process Digitization
Responsibilities:
Design, develop, and maintain scalable, secure, and high-performance full-stack applications using .NET and React.
Contribute to solution architecture, technical design, and low-level design (LLD) activities.
Build and maintain RESTful APIs, microservices, and integration services.
Develop cloud-native solutions leveraging AWS services and industry best practices.
Design and implement event-driven integration patterns and messaging solutions.
Collaborate with business, product, and engineering stakeholders to deliver automation and digital transformation initiatives.
Implement workflow automation, orchestration, and process digitization solutions.
Ensure solutions meet security, compliance, scalability, reliability, and performance standards.
Support CI/CD implementation, DevOps practices, testing, release management, and production support activities.
Provide technical leadership, mentoring, and guidance to engineering team members.
Participate in architecture reviews and contribute to engineering standards and best practices.
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📌 . Net Developer (New South Wales)
🏢 Nityo Infotech
📍 New South Wales