Job Description

Title:- Senior Full Stack Software Engineer (.NET, React, AWS)

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Location:- Sydney

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Duration:- 6 Months Extendable

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Project Description:

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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.

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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.

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Skills required:

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- 8+ years of software engineering experience.
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- Strong experience in enterprise Full Stack Development.
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- Proven experience working in complex enterprise environments.
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- Strong stakeholder engagement, communication, and collaboration skills.
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Backend & Full Stack Technologies

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Extensive hands-on experience with:

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Solid understanding of:

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- API design and development
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- Service-oriented architectures
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Proven experience building and deploying applications on AWS.

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Hands-on experience with:

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- AWS ECS and/or EKS (Mandatory)
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Experience with:

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- Scalable and resilient application design
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Integration & Messaging Technologies

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Hands-on experience with at least one of the following:

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Security & API Authentication

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Strong understanding of:

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- API authentication and authorization mechanisms
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- Secure API exposure to upstream and downstream systems
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- Enterprise integration security practices
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- Authentication and access management concepts
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DevOps & CI/CD

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Mandatory experience in CI/CD and DevOps practices, including:

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- Automated build and deployment pipelines
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- Release management
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- Monitoring and deployment automation
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Database Technologies

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Experience with:

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- Other enterprise relational database platforms
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Nice To Have:

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- Enterprise workflow orchestration platforms
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Domain Experience (Highly Desirable)

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Experience in one or more of the following domains:

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- Banking and Financial Services
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- Mortgage and Home Loan Platforms
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- AWS Government Services Platform (GSP) or similar government cloud environments
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- Enterprise Workflow Automation and Process Digitization
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Responsibilities:

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- Design, develop, and maintain scalable, secure, and high-performance full-stack applications using .NET and React.
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- Contribute to solution architecture, technical design, and low-level design (LLD) activities.
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- Build and maintain RESTful APIs, microservices, and integration services.
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- Develop cloud-native solutions leveraging AWS services and industry best practices.
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- Design and implement event-driven integration patterns and messaging solutions.
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- Collaborate with business, product, and engineering stakeholders to deliver automation and digital transformation initiatives.
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- Implement workflow automation, orchestration, and process digitization solutions.
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- Ensure solutions meet security, compliance, scalability, reliability, and performance standards.
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- Support CI/CD implementation, DevOps practices, testing, release management, and production support activities.
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- Provide technical leadership, mentoring, and guidance to engineering team members.
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- 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