Senior .NET developer Job overview Lead the design, development, and maintenance of backend services for power trading applications supporting front-office operations in an agile feature team, collaborating with traders, analysts, and core infrastructure teams. Key responsibilities Design, develop, and maintain trading application backend services Build and enhance pre-trade pricers and option exercise features Analyze business and functional requirements and translate them into robust technical designs Develop and maintain APIs for data retrieval, processing, and distribution across systems Participate in architecture design, code reviews, and troubleshooting of complex components Collaborate with cross-functional teams to deliver scalable and reliable solutions Develop automated tests, manage deployments, and monitor production stability Produce technical documentation, including specifications and architecture diagrams Provide first-line technical support and onboard internal users Skills and competences Architecture design API design and integration Data processing Technical documentation Automated testing Code review Collaboration Communication Problem-solving Analytical thinking User support Multitasking and prioritization Adaptability under pressure Qualifications Minimum 7 years of experience as a software developer Proven experience in financial markets or front-office environments