C# – .NET Software Development Engineer

Prysm Software

. Design, develop, and enhance software applications, particularly the AppVision™ hypervisor .

Posted 10/2/2026full-timeAix-en-Provence • FranceMid-LevelSenior💰 €45,000 - €55,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software development with a focus on C# and .NET, along with experience in agile methodologies. Proficient in developing software applications and maintaining technical documentation while collaborating effectively across teams.

Highest-signal resume keywords

C# Development.NET FrameworkSQL Database ManagementAgile MethodologiesTechnical Documentation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#.NETSQLReactJSAngularMicroservices ArchitectureCloud EnvironmentsMultimedia Data ManipulationSoftware DevelopmentTechnical Design

Soft Skills

Interpersonal CommunicationWritten CommunicationCreativityMethodical ThinkingProblem-Solving

Tools & Technologies

AppVision™ HypervisorAPIsSDKsKANBANSCRUMWindowsLinux

Certifications & Qualifications

Master’s Degree in Software Development

Industry Keywords

Software ApplicationsContinuous ImprovementTechnical Point of ContactCollaborationProof of Concept

Tech Stack

Tools & technologies

AngularCloudLinuxMicroservicesReactSQL.NET

About the role

Key responsibilities & impact

Design, develop, and enhance software applications, particularly the AppVision™ hypervisor
Develop and maintain drivers and interfaces between the software and third-party products via APIs or SDKs
Write and maintain technical design documentation
Actively contribute to the continuous improvement of processes, tools, and software quality
Serve as the technical point of contact for advanced solution features
Collaborate with other teams within the company and the wider group
Explore new technologies, build PoCs, and propose concrete enhancements
Use KANBAN or SCRUM agile methodologies, depending on the context
Occasionally travel to the Sophia Antipolis site and internationally

Requirements

What you’ll need

Master’s degree (Bac+5) in software development
At least 4 years of experience in a similar role
Professional proficiency in English
Excellent knowledge of C# with .NET and .NET Framework
Good knowledge of SQL and querying relational databases
Comfortable working in Windows and Linux environments
Knowledge of ReactJS and/or Angular frontend development is a strong plus
Knowledge of microservices architectures and cloud environments is desirable
Experience acquiring and manipulating multimedia data (video and audio) would be a plus
Experience with agile methodologies is desirable
Technical curiosity and openness to new tools
Ability to work both collaboratively and independently
Creativity, methodical thinking, and a practical approach to problem-solving
Passion for software development
Strong interpersonal and written communication skills

Benefits

Comp & perks

Year-end gift vouchers for you and your children
Meal vouchers with a face value of €12, 60% covered by the employer
Health insurance covered at 70%
Option to cash out RTT days
Employee savings plan
€1,000 employee referral bonus as part of the Hirsch Group program
Sustainable Mobility Bonus (carpooling, cycling, and public transportation) of up to €900 per year
Career development and mobility opportunities in France and internationally
Supportive and collaborative working environment
Management based on trust, support, and team empowerment