C# desktop application developer

Avaliance US; Paris; Sur place; EUR 55 000 - 75 000; Plein temps

Avantages offerts par ce poste

Growth opportunities

Training and certifications

Collaborative environment

Trust and excellence culture

Résumé du poste

Avaliance US is seeking a skilled C# Developer to drive digital transformation for multi-sector clients. You will design, develop and maintain C#/.NET applications, build REST APIs in a microservices architecture, and work on desktop apps using WPF/WinForms.

You will collaborate with Cloud, Data, Cyber, and Consulting teams, contributing to DevOps practices and Sophis-related projects, with a focus on high-quality, scalable software in a demanding environment.

Qualifications

• Experience in C#/.NET development for Front-to-Back projects.
• Hands-on with REST APIs and microservices architecture.
• Desktop app development with WPF/WinForms.

Responsabilités

• Develop and maintain C#/.NET applications in a Front-to-Back environment, including regulatory projects and version upgrades of Sophis
• Design and integrate REST APIs and WebServices within a microservices-oriented architecture
• Maintain and improve existing desktop applications (WPF and WinForms)
• Participate in DevOps processes: CI/CD, pipelines, deployment via XL Release / XL Deploy
• Ensure application quality and stability using Visual Studio and development best practices
• Contribute to the evolution and optimization of Sophis usage in the Front-to-Back environment

Connaissances

C#

.NET

REST APIs

Microservices

REST WebServices

WPF/WinForms

DevOps (CI/CD)

CIB experience

SOPHIS knowledge

Outils

XL Release

XL Deploy

Description du poste

Why join us?

Joining Avaliance means becoming part of a firm in full growth, supporting its clients on high-impact projects within complex and stimulating environments.

We value expertise, autonomy, and collaboration, while offering a supportive and demanding work environment.

Your role at Avaliance

As a C# Developer, you will work on digital transformation projects for multi-sector clients, collaborating with multidisciplinary teams (Cloud, Data, Cyber, Consulting).

Your main responsibilities

• Develop and maintain C#/.NET applications in a Front-to-Back environment, including regulatory projects and version upgrades of Sophis
• Design and integrate REST APIs and WebServices within a microservices-oriented architecture
• Maintain and improve existing desktop applications (WPF and WinForms)
• Participate in DevOps processes: CI/CD, pipelines, deployment via XL Release / XL Deploy
• Ensure application quality and stability using Visual Studio and development best practices
• Contribute to the evolution and optimization of Sophis usage in the Front-to-Back environment

Your profile

• Strong proficiency in: C# - .NET - REST APIs - Microservices architecture - REST WebServices
• Experience with desktop applications (WPF or WinForms, multiple existing applications)
• DevOps-oriented (CI/CD, pipelines, XL Release - XL Deploy)
• Previous experience in Corporate & Investment Banking (CIB)
• Knowledge of SOPHIS

What we offer you

• High value-added projects
• Stimulating and collaborative environment
• Opportunities for growth and skill development
• Training, certifications, and support
• Company culture based on trust and excellence