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

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Sydney, Australia

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C#/VB.NET

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BCM Industry

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13/08/2026

Req. VR-124501

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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.

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.

Skills

Must have

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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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.NET / .NET Core

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C#

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React.js

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RESTful APIs

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Microservices Architecture

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Strong understanding of:

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API design and development

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Integration patterns

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Service-oriented architectures

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Distributed systems

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-> AWS Cloud Technologies

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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 Lambda

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API Gateway

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Amazon S3

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Amazon RDS

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Amazon DynamoDB

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AWS ECS and/or EKS (Mandatory)

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Experience with:

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Cloud-native application architectures

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Event-driven architectures

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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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Kafka

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Amazon EventBridge

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Amazon SQS

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Amazon SNS

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IBM MQ or equivalent messaging platforms

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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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Environment 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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SQL Server

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PostgreSQL

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Other enterprise relational database platforms

Nice to have

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Terraform

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AWS CloudFormation

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Enterprise workflow orchestration platforms

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Cloud modernization initiatives

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Large-scale enterprise transformation programs

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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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Government Digital Services

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Government Scheme Automation

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AWS Government Services Platform (GSP) or similar government cloud environments

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Enterprise Workflow Automation and Process Digitization

Other
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Languages

English: C1 Advanced

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Seniority

Senior

Sydney, Australia

Req. VR-124501

C#/VB.NET

BCM Industry

13/08/2026

Req. VR-124501

Apply for Senior Full Stack Software Engineer (.NET, React, AWS) in Sydney

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