Senior .NET Developer
OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD
Key Responsibilities
Backend Development:
- Design, develop, and maintain microservices architecture using .NET Core,.NET 8 and Java.
- Implement event-driven architecture to enable seamless communicationbetween microservices.
- Utilize Entity Framework (EF) for efficient database interactions andmanagement.
- Containerize applications using Docker for scalability and deploymentflexibility.
- Apply Domain-Driven Design (DDD) principles to ensure clean and modularcode architecture.
- Implement OAuth for secure authentication and authorization.
- Develop and enforce security best practices to safeguard sensitive dataand systems.
- Utilize AWS services such as S3, Lambda, API Gateway, RDS, etc., forbackend development.
- Develop RESTful APIs endpoints to facilitate communication between thefrontend and backend.
- Apply Spec Driven Development (SDD) concepts in development of code viaClaude AI technologies.
- Support and maintain legacy .NET Framework (4.x) applications, includingmigration 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.
Frontend Development:
- 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 usingStorybook.
- Collaborate closely with UX/UI designers to implement intuitive andvisually appealing interfaces.
- Troubleshoot and debug issues across the stack, ensuring smooth application operation.
- Optimize application performance and scalability for a seamless user experience.
Requirements
- Proven professional experience working on .NET Core stack.
- Strong proficiency in .NET Core, .NET 8, C#, Java and related backendtechnologies.
- Experience building microservices architecture and implementingevent-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 applicationin backend development.
- Experience implementing OAuth for authentication and authorization.
- Understanding of security best practices and their application in backenddevelopment.
- 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.
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills.
- Knowledge and experience in utilizing generative AI to develop andreview 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.