First seen by our source: 25 days ago
Sr. Java Developer VOIP/SIP Solutions
@ Industry Professionals
Montréal, Quebec
Overview
Industry Professionals is recruiting a Senior Java Developer for a hybrid role in Montreal, working on next-generation 911 call-handling and VOIP solutions for emergency response. The role requires 8+ years of professional development experience (5+ minimum), deep VOIP/SIP protocol knowledge and a salary of CAD $100,000 to $120,000.
Responsibilities:
- Design, develop and maintain emergency response software applications
- Implement and enhance VOIP/SIP protocols and call routing logic
- Write unit and integration tests and support QA defect resolution
- Participate in Agile ceremonies
Requirements summary:
- 8+ years professional software development experience (5+ minimum)
- Strong Java experience with full SDLC knowledge
- Deep VOIP and SIP protocol development understanding
- Experience with 911 or emergency call-routing platforms
- Comfortable in Linux environments
- Bachelor's degree in Computer Science, Software Engineering or equivalent experience
Tools & skills
Source and dates
Source type not verified · manatal
- Employer posting date
- Not provided
- First seen by our source
- 2026-10-13
- Source record updated
- 2026-10-13
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 5+ years |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required) |
| Fields of study | Computer Science, Software Engineering |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Industry Professionals
| Field | Value |
|---|---|
| Open jobs on Jobsy | 8 |
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 Angular
Knowledge of databases such as Oracle, SQL, or NoSQL
Exposure to cloud platforms (Azure, AWS)
Familiarity with Infrastructure-as-Code tools like Terraform
Background in telecommunications or public safety systems
Qualifications:
Bachelors degree in Computer Science, Software Engineering, or equivalent professional experience
️ Key Responsibilities
Design, develop, and maintain software applications for emergency response systems
Implement and enhance VOIP/SIP communication protocols and call routing logic
Collaborate with product managers, designers, and QA to align on technical and functional goals
Write clean, maintainable code with proper documentation
Develop unit and integration tests and support QA with troubleshooting and defect resolution
Participate in Agile ceremonies: daily standups, sprint planning, retrospectives
Use Git and modern development tools to manage codebase effectively
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