Montréal Qc Level python developer Jobs – 129 Openings This Week

Senior Software Engineer (Python) - Agent Evaluation - Freelance/Remote 100+ openings
Braintrust —Montréal, QC
- Part-time
- Remote
- English
- Python
Administrateur·trice Middleware de Messagerie
Alten Canada —Montréal, QC
- $100,000–$120,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- AWS
- Dental care
- Paid time off
Quick apply
Développeur·euse principal·e (Santé) - Staff Developer (Healthcare)
TobogganLabs —Montréal, QC
- Remote
- English
- Presentation skills
- Software development
- Disability insurance
- Dental care
Quick apply
Full Stack Developer, AI Platform & Back-End Developer - Digital & Artificial Intelligence
Bombardier —Dorval, QC
- Day shift
- Hybrid work
- Bilingual
- Azure
- Computer Science
- Dental care
- Employee assistance program
18h
DevOps Platform Specialist
Bombardier —Dorval, QC
- Day shift
- Hybrid work
- Bilingual
- Azure
- Computer Science
- Dental care
- Employee assistance program
18h
DevOps Platform Integrator
Bombardier —Dorval, QC
- Day shift
- Hybrid work
- Bilingual
- Azure
- Computer Science
- Dental care
- Employee assistance program
18h

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Data Engineer |Ingénieur données
PINESTONE ASSET MANAGEMENT INC. —Montréal, QC
PineStone gère actuellement environ 75 milliards de dollars canadiens d’actifs et est dirigée par Nadim Rizk, un gestionnaire de portefeuille chevronné ayant…
$70,000–$85,000 a year
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Senior Software Engineer (Python) - Agent Evaluation - Freelance/Remote 100+ openings
Braintrust —Montréal, QC
Write tests that verify agent solutions - accept all valid approaches and reject incorrect ones, neither too strict nor too lenient.

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Developer, Business Intelligence
Atlantic Packaging Products Ltd —Toronto, ON
To conduct and maintain data warehouse development. To design, develop, and deploy Power BI scripts and perform efficient detailed analysis.
$90,300–$112,900 a year
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Product Engineering (Full Stack Developer - Java, Spring Boot & React)
Allstate —Toronto, ON
Good Office program (receive up to $400 back after purchasing office equipment). Write and maintain unit tests and follow TDD practices throughout the…
$80,900–$110,000 a year
3d

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Senior Software Engineer (Python) - Agent Evaluation - Freelance/Remote 100+ openings

Braintrust -
Montréal, QC

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Job details

Part-time | Freelance

Qualifications

CI/CD
React
Full-stack development
English
Docker
PostgreSQL
TypeScript
Python

Full job description

Job description

***This opportunity is intended for experienced Senior Python Engineers only****

Open to candidates in the North America, South America, Asia and Europe.
Please submit your CV in English and indicate your level of English proficiency.

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.

What this opportunity involves

We're building a dataset to evaluate AI coding agents - how well a model handles real-world developer tasks.

You'll create challenging tasks and evaluation criteria within realistic simulated environments:

Build realistic developer environments - a virtual company with codebase, infrastructure, and context (tickets, docs, conversations) that forms a believable development history
Design tasks from intermediate states of these environments - craft the prompt, define what "solved" means, and ensure the task is solvable by an AI agent
Write tests that verify agent solutions - accept all valid approaches and reject incorrect ones, neither too strict nor too lenient
Iterate on tasks and tests based on QA feedback - review agent solutions, analyze failures, and refine until the evaluation is fair and robust

What this is NOT

Not data labeling
Not prompt engineering
Not writing code from scratch - the agent writes most of the code; you guide and evaluate

What we look for - You must meet all the requirements in order to be considered for this project:

5+ years of professional experience with Python.
Strong experience with FastAPI, pytest, and async/await.
Hands-on experience with Docker, PostgreSQL, and CI/CD pipelines.
Proven experience writing and maintaining automated tests (not just executing them).
Full-stack experience with React and TypeScript is a plus.
English proficiency at B2 level or higher.
Availability to work 30+ hours per week.

Why this is hard

Frontier models are already good at coding. Creating a task that genuinely challenges the best models is non-trivial. You need to deeply understand where models fail and what scenarios reveal the difference between a good and a bad solution. Tasks have many valid solutions - writing tests that accept all correct solutions and reject incorrect ones is harder than it sounds.

How it works

Apply Pass qualification(s) Join a project Complete tasks Get paid

Hiring & Onboarding Process

The process is designed to move quickly and typically includes the following steps:

App review and invitation to a virtual project introduction session (approximately 30 minutes)
Platform registration and identity verification
Technical assessment (approximately 35 minutes)
Background check (completed at no cost to candidates)
Onboarding and project-specific training tasks
Begin production work!

Additional Requirements

Willingness to complete identity verification as part of the onboarding process.
Ability to complete a technical assessment.
Willingness to join and participate in Discord, which will be used for project communication and updates.
Successful completion of a background check is required prior to onboarding.
Reliable internet connection and ability to communicate effectively in a remote environment.

Apply Now

Refine Your Search

level python developer jobs in montréal qc

Senior Software Engineer (Python) - Agent Evaluation - Freelance/Remote 100+ openings

Administrateur·trice Middleware de Messagerie

Développeur·euse principal·e (Santé) - Staff Developer (Healthcare)

Full Stack Developer, AI Platform & Back-End Developer - Digital & Artificial Intelligence

DevOps Platform Specialist

DevOps Platform Integrator

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