We are seeking a Senior C# Developer with strong .NET Core experience to design and build enterprise-grade APIs and scalable backend systems. The ideal candidate will be proficient in SQL Server/PostgreSQL, cloud deployment on AWS, containerisation using Docker and Kubernetes, and Kafka for event-driven architectures. The role involves CI/CD pipeline management using GitHub and close collaboration with front-end JavaScript developers. Prior experience working on financial or regulated systems is advantageous.

Excellent communication, problem-solving skills, and a collaborative team spirit are essential for success in this role.

Key Responsibilities

• Design and develop enterprise-grade APIs and backend systems using C# and .NET Core
• Develop robust, optimised data access layers using SQL Server and/or PostgreSQL
• Containerise and orchestrate applications using Docker and Kubernetes
• Deploy and manage cloud-native applications on AWS infrastructure
• Integrate backend services with Kafka for messaging and real-time data streaming
• Implement source control strategies using Git and GitHub
• Build and maintain CI/CD pipelines using GitHub Actions or similar tools
• Collaborate with JavaScript front-end teams to ensure smooth API integration
• Participate in Agile ceremonies, code reviews, and sprint planning sessions
• Contribute to architectural decisions that ensure scalability, reliability, and security

Required Skills & Experience

• Minimum 5 years of enterprise-level experience in C# and .NET Core development
• Strong experience designing and consuming RESTful APIs
• Advanced SQL skills and experience with SQL Server and/or PostgreSQL
• Hands-on experience with Docker for containerisation and Kubernetes for orchestration
• Solid understanding of AWS services and cloud deployment practices
• Practical experience with Apache Kafka for distributed messaging or event-based systems
• Proficiency with Git and GitHub for version control and team collaboration
• CI/CD implementation experience, ideally using GitHub Actions
• Comfortable working closely with front-end JavaScript developers

Desirable / Nice to Have

• Exposure to financial systems or industries with regulatory requirements
• Familiarity with infrastructure-as-code tools such as Terraform or AWS CloudFormation
• Knowledge of secure coding principles and application security best practices

Soft Skills

• Excellent problem-solving and critical thinking abilities
• Strong verbal and written communication across technical and non-technical teams
• Collaborative and team-oriented mindset
• Self-driven, organised, and able to prioritise tasks in a fast-paced environment
• High attention to detail with a commitment to delivering maintainable, high-quality code