[Hiring] Senior Full Stack Developer @Luxoft

Role Description

We are seeking an experienced Software Developer to help modernize a mission-critical Portfolio Management System (PMS) used by investment professionals across front-office investment functions. The successful candidate will play a key role in transforming a mature WPF-based desktop platform into a modern, scalable, high-performance application ecosystem. The work includes:

• UI modernization
• Platform upgrades
• API development
• Performance optimization
• Architecture simplification
• Technical debt reduction
• AI-enabled user experiences

This role is well suited to an engineer with experience in buy-side portfolio, order, execution, risk, or investment analytics platforms who is comfortable working across desktop, web, service, integration, and data layers.

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.
• Buy-side investment technology experience, particularly in one or more of the following areas:
  • Portfolio Management Systems (PMS)
  • Order Management Systems (OMS)
  • Execution Management Systems (EMS)
  • Front-office trading applications
  • Fixed income, equities, FX, derivatives, swaps, options, TRS, or CDS 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.

Requirements

• Application Modernization
  • 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.
• Performance Engineering
  • 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 appropriate diagnostics, logging, health monitoring, and performance measures.
• Architecture Simplification
  • 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 pragmatic simplification or replacement approaches.
• API and Integration Development
  • 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 clear API specifications and technical documentation.
• AI Enablement
  • 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.
• Web and Desktop Delivery
  • 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.

Benefits

• Nice to have
  • React, Angular, or comparable modern web framework experience.
  • MongoDB and data-access modernization experience.
  • Microservices, modular monolith, event-driven, or message-based architecture experience.
  • Microsoft Azure, containerization, Kubernetes, and enterprise API management experience.
  • Experience integrating LLMs, AI assistants, retrieval-augmented generation, tool-calling, or enterprise AI gateways.
  • Familiarity with application security, data entitlements, auditability, and regulated environments.

Company Description

Languages: English: C1 Advanced

Seniority: Lead