Prysm

About the Company

Motherson Prysm Inc. is committed to developing and promoting large-format display solutions using its proprietary Laser Phosphor Display (LPD) technology. Prysm has been delivering highly immersive and engaging customer experiences to some of the world's leading organizations for over 12 years. Prysm Systems' solutions combine industry-leading display technology and software that work together seamlessly to level up the traditional uninspiring presentation experience in the room. With a shared visualization canvas that promotes interactivity, the in-room experience effortlessly extends to engage remote participants.

As businesses continue to adapt and envision the best practices for moving the workplace forward, a complete solution that addresses both in-person and remote engagement is essential. Prysm continues to lead the industry in hybrid-engagement solutions. Prysm invented LPD technology in 2005, and it has been commercially available and globally deployed for over a decade. In addition to its global headquarters in California's Silicon Valley, Prysm has a worldwide presence. Learn more at prysmsystems.com.

Listed Jobs

Company Name

Prysm

Job Title

Ingénieur Développement Logiciel C# / .NET F/H

Job Description

**Job Title:** C#/.NET Software Development Engineer **Role Summary** Develop and enhance security-focused software solutions for critical infrastructure, including nuclear power plants, logistics hubs, and secure facilities. Collaborate in agile R&D teams to innovate and integrate third-party systems via APIs/SDKs. **Expectations** Minimum 3 years’ experience in software development, particularly with C#.NET and SQL. Adaptability to new technologies, analytical problem-solving, and professional fluency in English. **Key Responsibilities** - Design, develop, and maintain core applications (e.g., AppVision™) for security systems. - Build drivers and integrations leveraging APIs/SDKs to interface with third-party tools. - Create technical documentation for specifications and design processes. - Contribute to continuous improvement of software solutions under agile (Kanban/Scrum) frameworks. - Occasional on-site visits for customer projects or collaboration with remote teams. **Required Skills** - Proficiency in C#.NET (including .NET Framework) and SQL. - Experience with Windows and Linux environments (Bash/CLI). - Familiarity with agile workflows (JIRA, Confluence). - Strong software architecture and debugging capabilities. **Required Education & Certifications** - Bac+5 degree in software engineering or computer science. - No specific certifications required.

Aix-en-provence, France

Hybrid

Junior

22-12-2025

Company Name

Prysm

Job Title

Ingénieur Développement Logiciel C++ (H/F)

Job Description

**Job Title** C++ Software Development Engineer **Role Summary** Design, develop, maintain, and troubleshoot the core alarm management software and SIP trunk interface for a monitoring and video analysis platform. Work closely with system, security, and network teams to ensure high reliability of VoIP/SIP communications. **Expectations** - Minimum 3 years of professional C++ development experience. - Strong command of Linux and Windows environments. - Proven ability to configure, script, and manage FreeSWITCH (ESL, scripting). - Knowledge of SIP protocol, VoIP diagnostics (SIPp, Wireshark). - Experience with real‑time data processing and containerization (Docker). - Familiarity with alarm protocols and network security fundamentals. - Fluency in English (technical writing and speaking). - Methodical, proactive, self‑directed, client‑centric, and collaborative. - Documentation and Agile development practice competency. **Key Responsibilities** - Develop and maintain the main application in C++. - Integrate and pilot FreeSWITCH via ESL or equivalent interfaces. - Process SIP communications to receive and trigger alarms. - Map telephone equipment to alarm scenarios and coordinate actions. - Diagnose and resolve VoIP/SIP communication incidents. - Collaborate with system, security, and network teams to enhance robustness and reliability of the solution. **Required Skills** - Advanced proficiency in C++ (C++14/17/20). - FreeSWITCH configuration, scripting, and ESL integration. - SIP protocol knowledge and diagnostic tools (SIPp, Wireshark). - Linux/Unix and Windows operating systems. - Real‑time stream handling. - Docker containerization. - Basic network and VoIP security awareness. - Alarm protocol familiarity (optional). - English – technical documentation and communication. **Required Education & Certifications** - Bachelor’s or Master’s degree in Computer Engineering, Computer Science, or equivalent (equivalent to Bac+5). ---

Valbonne, France

Hybrid

Junior

14-01-2026

Company Name

Prysm

Job Title

Ingénieur Développement Logiciel C# / .NET (H/F)

Job Description

**Job Title:** Software Development Engineer – C# / .NET **Role Summary:** Develop and enhance the company’s flagship security platform (AppVision™) and related integration drivers within an Agile R&D team. Collaborate across functions, produce technical documentation, and contribute to continuous improvement while supporting occasional on‑site visits to partner locations. **Expectations:** - Minimum 3 years of professional experience in C#/.NET development. - Master’s‑level degree (or equivalent) in Computer Science, Software Engineering, or a related field. - Ability to quickly adopt new technologies and work on varied projects. - Strong analytical, synthesis, and problem‑solving skills. - Professional proficiency in English; French language optional. - Proactive, creative, and methodical attitude with good interpersonal and writing skills. **Key Responsibilities:** - Design, code, test, and maintain C#/.NET applications, focusing on the AppVision™ hypervisor. - Develop and integrate drivers interfacing with third‑party products via APIs/SDKs. - Write and maintain technical design and specification documentation. - Participate in Agile ceremonies (Kanban/Scrum) and code reviews. - Contribute to continuous improvement initiatives and proof‑of‑concept projects. - Provide technical guidance to internal teams and external partners. - Occasionally travel to Sophia Antipolis site or international customer locations. **Required Skills:** - Expert-level C# development on .NET (including .NET Framework). - Strong SQL query writing and database interaction. - Comfortable with Windows and Linux environments (Bash scripting). - Understanding of micro‑services architecture and cloud concepts. - Familiarity with front‑end technologies (React, Angular, HTML, JavaScript) is a plus. - Agile development experience (Kanban or Scrum). - Good communication, documentation, and teamwork abilities. **Required Education & Certifications:** - Bachelor’s/Master’s degree (Bac+5) in Software Development, Computer Science, or equivalent. - Minimum 3 years relevant professional experience. - No specific certifications mandatory; relevant certifications (e.g., Microsoft Certified: .NET Developer) are advantageous.

Aix-en-provence, France

On site

Junior

14-01-2026