About the job Sr. Java Developer VOIP / SIP Solutions
Senior Java Developer VOIP / SIP Solutions
Location : Hybrid Montreal, QC, Canada
Industry : Emergency Communications & Telecommunications Software
Compensation : CAD $100,000 $120,000
Application Deadline : June 20, 2025
We are recruiting on behalf of a technology leader in emergency response and telecommunications , developing next-generation 911 call-handling and VOIP solutions. Their software is used in mission‑critical environments where accuracy, speed, and reliability save lives. Based in Montreal, this organization is seeking an experienced Senior Software Developer (Java) to join their expanding engineering team.
Must-Have Skills & Experience :
- 8+ years of professional software development experience (5+ is the minimum acceptable)
- Strong experience in Java , with solid knowledge of the full SDLC
- Deep understanding of VOIP and SIP protocol development, including call flow logic
- Previous experience working on 911 systems or emergency call‑routing platforms
- Comfortable working in Linux environments
- Familiarity with Agile / Scrum methodologies and version control systems (e.g., Git)
- Effective communication skills and experience in cross‑functional teams
Preferred Skills :
Experience with Spring Boot , .NET, React, or AngularKnowledge of databases such as Oracle , SQL , or NoSQLExposure to cloud platforms (Azure, AWS)Familiarity with Infrastructure-as-Code tools like TerraformBackground in telecommunications or public safety systemsQualifications :
Bachelors degree in Computer Science, Software Engineering, or equivalent professional experienceDesign, develop, and maintain software applications for emergency response systemsImplement and enhance VOIP / SIP communication protocols and call routing logicCollaborate with product managers, designers, and QA to align on technical and functional goalsWrite clean, maintainable code with proper documentationDevelop unit and integration tests and support QA with troubleshooting and defect resolutionUse Git and modern development tools to manage codebase effectively#J-18808-Ljbffr