Sr. Java Developer VOIP/SIP Solutions
- Montréal, QC, Canada
Compensation: CAD $100,000 $120,000
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Job details
- Pay
- Compensation: CAD $100,000 $120,000
- Listed closing date
- Experience
- 8+ years of professional software development experience (5+ is the minimum acceptable)
- Posting language
- English
Original job description
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:
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8+ years of professional software development experience (5+ is the minimum acceptable)
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Strong experience in Java, with solid knowledge of the full SDLC
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Deep understanding of VOIP and SIP protocol development, including call flow logic
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Previous experience working on 911 systems or emergency call-routing platforms
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Comfortable working in Linux environments
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Familiarity with Agile/Scrum methodologies and version control systems (e.g., Git)
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Effective communication skills and experience in cross-functional teams
Preferred Skills:
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Experience with Spring Boot, .NET, React, or Angular
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Knowledge of databases such as Oracle, SQL, or NoSQL
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Exposure to cloud platforms (Azure, AWS)
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Familiarity with Infrastructure-as-Code tools like Terraform
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Background in telecommunications or public safety systems
Qualifications:
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Bachelors degree in Computer Science, Software Engineering, or equivalent professional experience
️ Key Responsibilities
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Design, develop, and maintain software applications for emergency response systems
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Implement and enhance VOIP/SIP communication protocols and call routing logic
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Collaborate with product managers, designers, and QA to align on technical and functional goals
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Write clean, maintainable code with proper documentation
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Develop unit and integration tests and support QA with troubleshooting and defect resolution
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Participate in Agile ceremonies: daily standups, sprint planning, retrospectives
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Use Git and modern development tools to manage codebase effectively
More about this job
Responsibilities
The Senior Java Developer will design, build and maintain software for emergency response systems, including VOIP/SIP call routing logic. The role also involves writing tests, fixing defects with QA and working in Agile teams.
Requirements
Candidates need 8+ years of software development experience, strong Java skills and solid knowledge of the full development lifecycle. Experience with VOIP/SIP protocols, 911 or emergency call-routing systems, Linux and Git is required.
Skills
- Java
- VOIP
- SIP protocol development
- Call flow logic
- 911 call routing
- Linux
- Git
- Agile
- Scrum
- SDLC
- Unit testing
- Integration testing
- Spring Boot
- NET
- React
- Angular
- Oracle
- SQL
- NoSQL
- Azure
- AWS
- Terraform
- Technical documentation
- Cross-functional collaboration
Categories
- Technology
- Software
Keywords
- Java
- Senior Java Developer
- VOIP
- SIP
- 911 systems
- emergency call routing
- telecommunications software
- Linux
- Git
- Agile
- Scrum
- Spring Boot
- Oracle
- SQL
- NoSQL
- Azure
- AWS
- Terraform
- Infrastructure-as-Code
- software developer
Seniority
Senior
Tools
- Java
- Git
- Linux
- Spring Boot
- Oracle
- SQL
- NoSQL
- Azure
- AWS
- Terraform
Languages
- English
Fields of study
- Computer Science
- Software Engineering