Global Markets Software Developer C# Python SQL WPF

Roles & Responsibilities Global Markets Software Developer

• Design, develop, test and deploy full-stack applications using C#, .NET, WPF/XAML, Python, PowerShell and SQL.
• Develop and maintain desktop applications and service-side solutions supporting Japan Global Markets business.
• Design application components covering UI, business logic and database layers.
• Develop reusable frameworks, common UI components, scripting modules, logging and notification utilities.
• Build and maintain ETL pipelines and batch processes for trade, position and reference data.
• Develop Straight-Through Processing (STP) solutions connecting internal systems with settlement, payment, custodian and central-bank infrastructures.
• Build tools for regulatory and operational reporting.
• Perform data extraction, transformation, validation and file generation using SQL, Excel/CSV and Power Query.
• Optimize application performance, reliability, monitoring and data-processing workflows.
• Provide production support, including incident investigation, root-cause analysis, debugging, bug fixing and performance tuning.
• Work closely with Front Office, Middle Office, Back Office, Finance, Risk, Operations and IT teams to understand requirements.
• Translate business requirements into technical designs and scalable software solutions.
• Participate in Agile/Scrum/Kanban ceremonies, sprint planning and backlog management.
• Use Jira, Git and CI/CD pipelines for development, code reviews, automated testing and releases.
• Perform application testing, deployment and post-release validation across environments.
• Maintain technical documentation, application support procedures and development standards.
• Identify opportunities to improve existing applications, automation, reliability and operational efficiency.