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Senior Software Developer Jobs in Montreal, QC (NOW HIRING)

YO AI Labs

RL Environment Engineer - Remote

Montreal, QC · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

Backend Developer - Remote

Montreal, QC · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Mcgill

Senior Research Software Developer

Montreal, QC · On-site

Provide guidance and training to junior developers, collaborators and external contributors about ... MPEX-IST3R - Research Software Development - Senior Professional/Manager Hours per Week: 33.75 ...

Mcgill

Senior Research Software Developer

Montreal, QC · On-site

Provide guidance and training to junior developers, collaborators and external contributors about ... MPEX-IST3R - Research Software Development - Senior Professional/Manager Hours per Week: 33.75 ...

YO AI Labs

AI coding agents Expert - Remote

Montreal, QC · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Coveo

Senior Software Developer - MLOps

Montreal, QC · On-site

As a Backend Developer, you will: * Contribute to the development lifecycle, including coding, testing, and deployment * Analyze and help improve the ease of use, observability and reliability of our ...

Coveo

Senior Software Developer - MLOps

Montreal, QC · On-site

As a Backend Developer, you will: * Contribute to the development lifecycle, including coding, testing, and deployment * Analyze and help improve the ease of use, observability and reliability of our ...

Unitytech

Senior Software Engineer

Montreal, QC · On-site

Work with engineering leadership and senior developers to provide technical design and architecture for CI/CD, automation and orchestration technology specifically for RT3D applications * Develop ...

Mantu

Senior C# Developer

Brossard, QC · Hybrid

NET and WPF , combined with solid software engineering fundamentals and experience developing ... This is an excellent opportunity for a senior developer who wants to apply strong C#/.NET and WPF ...

Autodesk

Senior AI Developer

Montreal, QC · On-site

... Senior AI Developer Position Overview The team is looking for a Principal Software Developer. You ... You are a talented Software Developer who is passionate about code quality, usability, and ...

The Bridgespan Group

Software Developer

Montreal, QC · Hybrid

Our software brings the physical and digital worlds together, enabling companies to improve ... Integrate product data across engineering, supply chain, andshopfloorsystems By advancing the ...

HollisWealth

Senior Software Designer, AI

Montreal, QC · Hybrid

Senior Software Designer, AI Build the Future with Us Are you passionate about designing robust ... Azure DevOps, .NET 8, Git, SQL Server, MongoDB, BizTalk, Kafka, Docker, Kubernetes, and mainframe ...

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Showing results 41-60

All JobsSoftware Developer JobsSenior Software Developer JobsSenior Software Developer Jobs in Montreal, QC

Senior Software Developer information

See Montreal, QC salary details

$52.4K

$114.4K

$162K

How much do senior software developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior software developer in Montreal, QC is $114,422.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,732.00 and $129,634.00 per year, depending on experience, location, and employer.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs

What are the most commonly searched types of Software Developer jobs in Montreal, QC?

The most popular types of Software Developer jobs in Montreal, QC are:

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For Senior Software Developer jobs in Montreal, QC, the most frequently searched job titles are:

What job categories do people searching Senior Software Developer jobs in Montreal, QC look for?

The top searched job categories for Senior Software Developer jobs in Montreal, QC are:

What cities near Montreal, QC are hiring for Senior Software Developer jobs?

Cities near Montreal, QC with the most Senior Software Developer job openings:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Montreal, QC as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $114,422 per year, or $55 per hour.

RL Environment Engineer - Remote

YO AI Labs

Montreal, QC • Remote

$80 - $120/hr

Full-time

Posted 10 days ago

Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities
  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.
Required Skills
  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.
Preferred Qualifications
  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.
Hiring Process
  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.
Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.