Senior Full-Stack Engineer: AI-Powered PMS Modernization

Luxoft; España; Remote; EUR 90,000 - 120,000; Full time

Job summary

Luxoft in Spain is seeking an experienced Software Developer to modernize a mission-critical PMS used by investment professionals. The role involves transforming a mature WPF-based desktop platform into a scalable, API-enabled ecosystem across desktop, web, and data layers.

You will upgrade .NET, WPF, and DevExpress apps, reduce technical debt, and optimize performance while preserving front-office workflows. Strong C#/.NET, MVVM, and SQL Server skills are essential.

Qualifications

• 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.
• Experience designing and implementing RESTful APIs using ASP.NET Core or equivalent.
• 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.
• Experience with Git, automated testing, CI/CD, and Azure DevOps or similar.

Responsibilities

• Application modernization of a mature WPF-based PMS.
• Upgrade and modernize .NET, WPF, and DevExpress applications.
• Refactor legacy components and reduce technical debt.
• Design simpler service-oriented and API-first components.
• Develop secure RESTful APIs for PMS data access.
• Profile, diagnose, and optimize desktop, server, and data layers.
• Integrate with trading, risk, and analytics systems.

Skills

C#

.NET

WPF

MVVM

Desktop apps

REST APIs

SQL Server

Python

DevExpress

Azure DevOps

Tools

DevExpress

ASP.NET Core

Git

Azure DevOps

Job description

Luxoft in Spain is seeking an experienced Software Developer to modernize a mission-critical PMS used by investment professionals. The role involves transforming a mature WPF-based desktop platform into a scalable, API-enabled ecosystem across desktop, web, and data layers.

You will upgrade .NET, WPF, and DevExpress apps, reduce technical debt, and optimize performance while preserving front-office workflows. Strong C#/.NET, MVVM, and SQL Server skills are essential.