Senior Software Engineer (C++, UI)

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

The Client builds software that simplifies IT management, improves data performance, accelerates migration and modernization, and strengthens identity and cybersecurity—serving 130,000+ organizations (including 95% of the Fortune 500) from Aliso Viejo HQ with 3,500+ employees in 39 countries.

What You’ll Do

• Collaborate with C++/MFC engineers to integrate modern UI components into a legacy desktop codebase


• Prototype modernization of selected dialogs, panels, and navigation elements


• Apply client-provided palettes, iconography, and design guidelines in WinUI 3 and/or Avalonia


• Define and document reusable patterns for dialog and component modernization


• Validate technical feasibility of modern frameworks (WinUI 3, Avalonia, Qt) within the client’s environment


• Work closely with UX/UI designers to translate style updates into implemented UI changes


• Ensure prototypes maintain application stability and performance while demonstrating new UI capabilities

What You Bring

• 5+ years of experience in desktop UI development with WinUI 3, UWP, WPF, Avalonia, or related frameworks


• Strong proficiency with XAML-based UI design and integration into complex applications


• Hands-on experience modernizing legacy desktop applications or migrating components from MFC/Win32


• Ability to design and implement reusable UI components and patterns


• Familiarity with C++/MFC interoperability and willingness to work alongside C++ engineers


• Understanding of performance considerations and best practices in Windows desktop UI development


• Strong English communication skills; able to collaborate in distributed, cross-timezone teams

Nice to have

• Experience with Qt or cross-platform UI frameworks


• Background working on enterprise-scale desktop software with large dialog sets


• Knowledge of C++/C# interop for hybrid solutions


• Familiarity with Git branching and collaborative workflows

English level

Upper-Intermediate

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more


• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions


• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

Your Benefits at Exadel 

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects


• In-office, hybrid, or remote flexibility


• Medical healthcare


• Recognition program


• Ongoing learning & reimbursement 


• Well-being program


• Team events & local benefits 


• Sports compensation 


• Referral bonuses 


• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.