full stack developer - portfolio management system

The team is modernizing a mission-critical Portfolio Management System used by investment professionals across front-office investment functions. The platform is a mature WPF-based desktop system being transformed into a modern, scalable, high-performance application ecosystem.

• Upgrade and modernize existing .NET, WPF, and DevExpress applications
• Refactor legacy components, reduce technical debt, and improve maintainability
• Improve the application user experience while preserving critical front-office workflows
• Contribute to target architecture decisions and phased modernization plans
• Investigate and resolve application freezing, slow response times, memory leaks, and crashes
• Profile and optimize desktop, server-side, database, and integration components
• Improve data loading, caching, processing, and resource-management patterns
• Implement diagnostics, logging, health monitoring, and performance measures
• Reduce reliance on legacy SOA, middleware, and tightly coupled dependencies
• Design simpler service-oriented and API-first components
• Support migration toward modular, scalable, and supportable architecture patterns
• Assess MongoDB dependencies and recommend simplification or replacement approaches
• Design and build secure RESTful APIs for PMS data access
• Develop integrations with trading, risk, reporting, analytics, and downstream systems
• Implement authentication, authorization, validation, auditing, observability, and error handling
• Produce API specifications and technical documentation
• Build an AI-powered prompt/chat experience within the PMS
• Integrate enterprise Large Language Models and approved AI services
• Develop prompt orchestration, tool-calling, retrieval, guardrails, and workflow automation capabilities
• Partner with investment users to identify and deliver high-value, controlled AI use cases
• Maintain and enhance rich desktop capabilities while introducing web-based applications where appropriate
• Deliver across frontend, backend, service, integration, and data layers
• Apply automated testing, code review, secure development, and CI/CD practices

• 10+ Years of professional software engineering experience delivering enterprise applications
• Strong C# and .NET experience, including legacy .NET Framework and modern .NET versions
• Deep experience with WPF, XAML, MVVM, desktop application architecture, and multithreading
• Buy-side investment technology experience in portfolio, order, execution, or front-office trading systems, or related financial instruments and workflows
• Hands-on DevExpress experience, including complex grids and performance-sensitive user interfaces
• Experience designing and implementing RESTful APIs using ASP.NET Core or equivalent technologies
• Python development experience for services, automation, analytics, or AI-related components
• Strong SQL Server development and performance-tuning skills
• Experience creating both web-based applications and rich desktop/fat-client applications
• Practical expertise in profiling, diagnostics, memory management, performance tuning, and production troubleshooting
• Experience with Git, automated testing, CI/CD, and Azure DevOps or similar engineering platforms
• Будет плюсом: React, Angular, or comparable modern web frameworks, MongoDB and data-access modernization, microservices, modular monolith, event-driven or message-based architectures, Microsoft Azure, containerization, Kubernetes, enterprise API management, LLMs, AI assistants, retrieval-augmented generation, tool-calling, enterprise AI gateways, application security, data entitlements, auditability, regulated environments

• Условий в вакансии нет