Software Developer

Responsibilities

• Design, develop, and maintain high-quality C#/.NET solutions within the Engine Room platform
• Contribute to shared enterprise capabilities including API gateways, real-time data streaming, and AI-enabled services
• Build scalable, resilient, and high-performance microservices that support multiple business streams
• Collaborate with product owners and architects to translate business requirements into technical solutions
• Participate in architectural design discussions to shape platform standards and best practices
• Support continuous improvement of CI/CD pipelines, automated testing, and DevOps practices
• Ensure solutions are secure, observable, and aligned with enterprise governance and regulatory requirements

Requirements

• Strong commercial experience in C# and .NET (Core / .NET 6+)
• Proven experience building RESTful APIs and microservices in enterprise environments
• Working knowledge of React and modern front-end development principles
• Experience with AWS cloud services (e.g., ECS/EKS, Lambda, S3, RDS, API Gateway)
• Experience with event-driven architectures, ideally using Kafka
• Understanding of CI/CD pipelines, automated testing, and DevOps practices
• Experience with Infrastructure as Code, ideally Terraform
• Strong understanding of software design principles such as SOLID, clean architecture, and DDD

Preferred Qualifications

• Working knowledge of Node.js and/or Python
• Experience building or contributing to enterprise platform or shared services environments
• Exposure to API gateway technologies and distributed systems design
• Experience implementing observability tooling (logging, monitoring, tracing)
• Financial services or capital markets experience

About the Company

Marex Group plc is a diversified global financial services platform providing essential liquidity, market access, and infrastructure services to clients across energy, commodities, and financial markets. With more than 40 offices worldwide and over 2,300 employees, Marex connects clients to the world’s major commodity markets.