.NET Senior Engineer (AWS / React)

About the RoleRole on behalf of Luxoft Financial Services UK Limited Australia Branch
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.
ResponsibilitiesDesign, 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.
Required Skills8+ years of software engineering experience.Strong experience in enterprise Full Stack Development.Proven experience working in complex enterprise environments.Strong stakeholder engagement, communication, and collaboration skills.
Backend & Full Stack TechnologiesExtensive hands-on experience with:.NET / .NET CoreC#React.jsRESTful APIsMicroservices ArchitectureStrong understanding of:API design and developmentIntegration patternsService-oriented architecturesDistributed systemsAWS Cloud TechnologiesProven experience building and deploying applications on AWS.Hands-on experience with:AWS LambdaAPI GatewayAmazon S3Amazon RDSAmazon DynamoDBAWS ECS and/or EKS (Mandatory)Experience with:Cloud-native application architecturesEvent-driven architecturesScalable and resilient application designIntegration & Messaging Technologies
Hands-on experience with at least one of the following:KafkaAmazon EventBridgeAmazon SQSAmazon SNSIBM MQ or equivalent messaging platformsSecurity & API AuthenticationStrong understanding of:API authentication and authorization mechanismsSecure API exposure to upstream and downstream systemsEnterprise integration security practicesAuthentication and access management concepts
Mandatory experience in CI/CD and DevOps practices, including:Automated build and deployment pipelinesRelease managementEnvironment managementMonitoring and deployment automationDatabase TechnologiesExperience with:SQL ServerPostgreSQLOther enterprise relational database platforms
Preferred SkillsTerraformAWS CloudFormationEnterprise workflow orchestration platformsCloud modernization initiativesLarge-scale enterprise transformation programs