Summary: The .NET Developer will design, develop, and maintain RESTful APIs and integration solutions, connecting internal applications with downstream systems. Highlights: 1. Key technical contributor for middleware solutions 2. Focus on designing, developing, and maintaining RESTful APIs 3. Building and enhancing AWS-based middleware solutions **About Us** Infosys is a global leader in next\-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI\-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always\-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem. The .NET Developer will serve as a key technical contributor, which acts as the single middleware source. This role involves designing, developing, and maintaining RESTful APIs and integration solutions that connect internal app with all the downstream applications. The developer will work closely with the tech stack lead to ensure seamless data flow, system reliability, and adherence to governance standards while supporting the business benefits and new initiatives. **Key Responsibilities*** Design, develop, and maintain RESTful APIs and OSLC\-compliant endpoints * Build and enhance AWS\-based middleware solutions using ECS/Fargate, Lambda, SQS, and other cloud services * Develop synchronous and asynchronous integration patterns for real\-time and event\-driven data exchange * Implement PostgreSQL database solutions including schema design, optimization, and data migration * Participate in code reviews, maintain PR governance standards, and ensure code quality across the platform **Required Skills** **Core .NET Expertise*** Strong proficiency in .NET Core (6\.0\+) and ASP.NET Core * Deep understanding of C\# programming and object\-oriented design principles * Experience with Entity Framework Core and LINQ * Knowledge of asynchronous programming patterns and middleware development **Cloud \& Infrastructure*** Hands\-on experience with AWS services: ECS/Fargate, CloudFormation, SQS, Lambda, API Gateway, and CloudWatch * Understanding of containerization using Docker * Experience with CI/CD pipelines and GitHub Actions **Database \& Data Management*** Strong experience with PostgreSQL database design, optimization, and querying * Understanding of database migration strategies and connection pooling * Experience with data modeling and normalization **API Development*** Solid experience designing and developing RESTful APIs * Knowledge of API versioning, pagination, filtering, and sorting patterns * Experience with OpenAPI/Swagger documentation **Integration \& Middleware*** Experience building middleware solutions that connect multiple systems * Understanding of integration patterns (synchronous/asynchronous, event\-driven) * Knowledge of message queuing systems and event\-driven architectures * Experience with OSLC standards is a plus **EOE/Minority/Female/Veteran/Disabled/Sexual Orientation/Gender Identity/National Origin**