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Industry Professionals

Sr. Java Developer VOIP/SIP Solutions

Montréal, QC, Canada

Compensation: CAD $100,000 $120,000

This date has passed. Check with the employer before applying.

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Job details

Pay: Compensation: CAD $100,000 $120,000
Listed closing date: Jun 20, 2025
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:

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

Apply on careers-page.com About employer

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

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

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Jobs in Canada