Senior C# .NET Developer for Banking Systems | Remote Position

Are you an accomplished C# Developer looking to advance your career in the financial technology sector? We're seeking a Senior C# .NET Developer to join our dynamic team—someone who can architect and implement sophisticated banking solutions that make a difference. This remote, full-time opportunity allows you to contribute to mission-critical financial systems from anywhere in the world. Project Overview You'll be an integral part of a large-scale banking project that demands exceptional software engineering expertise. The role focuses on developing high-performance, secure, and scalable financial technology systems using modern C# and .NET technologies. Your contributions will directly impact critical financial operations and enhance user experiences across digital banking platforms. Key Responsibilities - Design and develop robust financial technology system modules using C# and the .NET Framework (version 4.8+) and .NET Core/6+. - Create and enhance web applications and services utilizing ASP.NET MVC 5, Web API, and WCF services—ensuring reliable performance and security for financial transactions. - Develop integration and asynchronous processing modules, including Windows Services and console applications that power automated banking operations. - Implement database solutions and performance optimization strategies using Microsoft SQL Server and T-SQL, with a focus on query efficiency and data integrity for financial records. - Craft modern, responsive user interfaces employing JavaScript, jQuery, CSS with BEM methodology, and Bootstrap 5—delivering exceptional user experiences to banking customers. - Analyze complex business requirements and translate them into elegant technical solutions that meet strict banking regulations and compliance standards. - Refactor and optimize existing codebases to improve performance, maintainability, and security—critical aspects in regulated financial environments. - Participate in architectural discussions, code reviews, and implement industry best practices throughout the development lifecycle. Required Skills & Experience - Minimum 3+ years of professional experience in C# development, with demonstrated expertise in financial or enterprise applications. - Strong command of object-oriented programming principles, SOLID design patterns, and clean code practices essential for maintainable banking software. - Advanced proficiency in T-SQL for complex database querying, optimization, and stored procedure development in high-transaction environments. - Proven ability to analyze and comprehend sophisticated codebases created by other developers—vital for integrating with existing banking infrastructure. - Comprehensive experience with Git version control systems, including branching strategies, merge conflict resolution, and collaborative development workflows. - Working knowledge of front-end technologies including JavaScript, jQuery, CSS, and responsive design principles for cross-platform banking interfaces. - Experience developing with ASP.NET MVC 5 or newer frameworks for scalable web application development. - Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience). - Exceptional problem-solving skills and meticulous attention to detail—qualities that ensure reliable financial systems. Nice to Have - Experience working with KendoUI components for advanced data visualization in financial dashboards. - Knowledge of message queue systems like RabbitMQ for asynchronous transaction processing. - Expertise with Docker containers and containerization workflows for consistent deployment across environments. - Understanding of Electronic Document Signing (EDS) systems and digital signature implementation—increasingly important in paperless banking. - Experience with microservices architecture and RESTful API development for modular banking systems. - Knowledge of Azure DevOps or other cloud platforms for continuous integration and deployment. - Agile development methodology experience within regulated financial environments. - Previous work in banking, financial services, or fintech sectors. Why Join Us You'll collaborate with a talented global team of developers on significant projects that transform banking and financial services. We offer competitive compensation, flexible remote working arrangements, and continuous professional development opportunities. Join us to expand your technical expertise while building meaningful financial technology solutions that power the future of banking.