OverviewIn this role you will help transform a mature WPF-based PMS into a modern, scalable platform used by front-office investment professionals.

You will work closely with cross-functional teams to modernize UI, upgrade architecture, and implement AI-enabled experiences that improve performance and maintainability.

You'll shape the target architecture and drive phased modernization while reducing technical debt.

The role blends desktop and web delivery, API development, and data-layer work to deliver a high-performance investment technology platform.

This is an opportunity to influence critical front-office workflows and the end-to-end user experience.

ResponsabilidadesApplication Modernization: upgrade and modernize .

NET, WPF, and DevExpress apps; refactor legacy components; enhance UX; contribute to modernization plans

Performance Engineering: diagnose and fix freezes, slowdowns, memory leaks; profile and optimize desktop/server/database components; improve data loading and caching

Architecture Simplification: reduce legacy dependencies; design modular API-first components; evaluate MongoDB simplifications

API and Integration Development: build secure RESTful APIs; integrate with trading, risk, reporting, and analytics systems; implement auth, auditing, observability

AI Enablement:



build AI-powered prompt/chat experiences; integrate LLMs and AI services; develop orchestration and guardrails

Web and Desktop Delivery: maintain desktop capabilities while enabling web delivery; apply automated testing, CI/CD, secure development

Requisitos principales10+ years of professional software engineering experience delivering enterprise applications

Strong C# and .

NET experience across legacy .

NET Framework and modern .

NET

Deep experience with WPF, XAML, MVVM, desktop architecture, and multithreading

Buy-side investment technology experience (PMS, OMS, EMS or related front-office domains)

Hands-on DevExpress experience with complex grids and performance-sensitive UIs

Experience designing RESTful APIs with ASP.NET Core or equivalent

Python development for services, automation, analytics, or AI components

Strong SQL Server development and performance tuning

Experience with Git, automated testing, CI/CD, and Azure DevOps or similar

Experience creating both web and rich desktop/fat-client applications

Profiling, diagnostics, memory management, performance tuning, and production troubleshooting

C#

.NET

WPF

XAML

MVVM

DevExpress

📌 Senior Full Stack Developer - Portfolio Management System (Valladolid)
🏢 Luxoft
📍 Valladolid