Senior .NET Developer (8 Month Contract)

Job Summary As a Full Stack .NET Developer, you will be responsible for the end-to-end solutioning and development of software and web applications. You will be part of an agile team responsible for products used by the organization. Key Responsibilities • Design, develop, and maintain microservices architecture using .NET Core, .NET 8 and Java. • Implement event-driven architecture to enable seamless communication between microservices. • Utilize Entity Framework (EF) for efficient database interactions and management. • Containerize applications using Docker for scalability and deployment flexibility. • Apply Domain-Driven Design (DDD) principles to ensure clean and modular code architecture. • Implement OAuth for secure authentication and authorization. • Develop and enforce security best practices to safeguard sensitive data and systems. • Utilize AWS services such as S3, Lambda, API Gateway, RDS, etc., for backend development. • Develop RESTful APIs endpoints to facilitate communication between the frontend and backend. • Apply Spec Driven Development (SDD) concepts in development of code via Claude AI technologies. • Support and maintain legacy .NET Framework (4.x) applications, including migration pathways to modern .NET where applicable. • Manage application hosting and deployment on IIS and Windows Server environments, including environment-specific configuration management using config transformations. • Develop responsive and user-friendly web applications using ASP.NET, including WebForm applications. • Generate and review unit tests using generative AI to ensure code quality and reliability. • Create reusable UI components and maintain a consistent design using Storybook. • Collaborate closely with UX/UI designers to implement intuitive and visually appealing interfaces. • Troubleshoot and debug issues across the stack, ensuring smooth application operation. • Optimize application performance and scalability for a seamless user experience. Requirements • Bachelor's Degree in Computer Science, Computer Engineering or equivalent. • Preferably more than 5 years of experience as a full stack software engineer. • Proven professional experience working on .NET Core stack. • Strong proficiency in .NET Core, .NET 8, C#, Java and related backend technologies. • Experience building microservices architecture and implementing event-driven design patterns. • Proficiency in Entity Framework (EF) for database management. • Familiarity with Docker and containerization principles. • Knowledge of Domain-Driven Design (DDD) principles and their application in backend development. • Experience implementing OAuth for authentication and authorization. • Understanding of security best practices and their application in backend development. • Hands-on experience with AWS services such as S3, Lambda, API Gateway, RDS, etc. • Proficiency in frontend technologies such as HTML, CSS, and JavaScript, ASP.NET and WebForms. • Experience writing unit tests and maintaining a design system with Storybook. • Knowledge and experience in utilizing generative AI to develop and review codes via Spec Driven Development (SDD). • Hands-on experience with legacy .NET Framework (4.x) applications, including maintenance and incremental modernisation. • Experience with Oracle databases, including query optimisation and integration with .NET applications. • Proficiency in deploying and configuring applications on IIS and Windows Server, with working knowledge of Web.config transformations for environment-specific deployments. • Hands-on experience with Java Quarkus framework, including building and deploying cloud-native microservices, with working knowledge of OpenTelemetry for distributed tracing and observability. • Experience working in both Unix and Windows operating environments are preferred. • AWS certification (e.g., AWS Certified Developer, AWS Certified Solutions Architect). • Experience with Node.js for server-side development. • Familiarity with RDS databases such as MSSQL. • Knowledge of CI/CD pipelines and DevOps practices. • Understanding of Agile development methodologies. • Experience with event-driven development patterns and architectures, as well as frontend development using React or other Single Page Application (SPA) frameworks. • Strong problem-solving skills and attention to detail. • Excellent communication and collaboration skills. If you are interested in this role and would like to discuss the opportunity further please click apply now or email Chew Kai-Xinn at kaixinnchew@morganmckinley.com for more information. Only shortlisted candidates will be responded to, therefore if you do not receive a reply within 14 days please accept this as notification that you have not been shortlisted. Morgan McKinley Talent Solutions Morgan McKinley Pte Ltd EA Licence No: 11C5502 EAP Registration No: R2196712 EAP Name: Chew Kai-Xinn