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Added 9 mins ago
V
Senior Product Development Engineer
V2Soft
Windsor, ON
- Contract
Review and analyze CAD data to ensure compliance with established design and perceived-quality standards.
Added 9 mins ago
ZS
Forward Deployed Engineer (Python/PySpark + Claude + SQL + APIs + Data & MLOps)
Zodiac Solutions, Inc
Toronto, ON
- Full-time
10–14 years of experience in Data Engineering, AI Applications, LLM Integration, APIs and MLOps platforms.
Added 9 mins ago
D
Cloud Engineer, Azure
Deloitte
Canada
- Full-time
Hands-on experience in integrating cloud platforms with other cloud-based systems, ensuring data consistency and availability.
Added 9 mins ago
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Senior Software Engineer
PointClickCare
Mississauga, ON
- $142,000 to $158,000 CAD / year
- Full-time
Added 9 mins ago
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Senior AI Machine Learning Engineer
SAP
Montreal, QC
- Full-time
We are hiring a Senior Machine Learning Engineer Scientist to lead the development of scalable graph-based and transformer-based modeling systems, along with production-grade ML pipelines.…
Added 21 mins ago
AC
Development Lead - Air Canada Mobile Application
Air Canada
Toronto, ON
- Full-time
As the most senior engineer on the mobile application, the Development Lead is both the design authority for the mobile platform and the primary delivery authority within Air Canada’s…
Added 21 mins ago
MC
AI Platform Engineer (35577)
Myticas Consulting
Toronto, ON
- Contract
Added 21 mins ago
H
Application Developer
Hays
ON · Ontario, Canada
- $70 to $75 CAD / hour
- Contract
Seeking a Senior Software Engineer with experience in software development, cloud engineering, DevOps, and data platforms. The role involves building enterprise applications and APIs,…
Added 21 mins ago
MM
Engineer
Mitchell Martin Inc.
Toronto, ON
- $44.1 to $63 USD / hour
- Other
Engineer - Toronto, ON - Contract - $44.10-$63.00 Per Hr
Added 21 mins ago
SC
Utilities Engineer – Interface Management (Intermediate)
SYSTRA Canada
Toronto, ON
- Full-time
The Utilities Engineer – Coordination and Interface Management is responsible for the identification, coordination, and resolution of interfaces between the High-Speed Rail (HSR) project…
Added 21 mins ago
SC
Utilities Engineer – Interface Management (Senior)
SYSTRA Canada
Toronto, ON
- Full-time
The Utilities Engineer – Coordination and Interface Management is responsible for the identification, coordination, and resolution of interfaces between the High-Speed Rail (HSR) project…
Added 21 mins ago
SC
Noise & Vibration Junior Specialist
SYSTRA Canada
Toronto, ON
- Full-time
a designation as an accredited Professional Engineer or have other relevant credentials
Added 26 mins ago
SC
Road CAD Design Technologist/ Drafter
SYSTRA Canada
Toronto, ON
- Full-time
BIM Coordinator / BIM Manager / Civil Lead Engineer
Added 26 mins ago
SC
Commercial Lead
SYSTRA Canada
Toronto, ON
- Full-time
Analyzes data and develops reports and action plans to improve performance and achieve commercial priorities; coordinates analysis and provides reports on commercial risks, contract…
Added 26 mins ago
SC
Geotechnical Engineer
SYSTRA Canada
Toronto, ON
- Full-time
As a Geotechnical Engineer, you will play a key supporting role in the investigation, design, and delivery of geotechnical solutions for foundation and pavement engineering projects within…
Added 26 mins ago
R
Senior Software Engineer – Cloud & Data Platforms
Raise
Toronto, ON
- Contract
The successful candidate will join the Data & Digital team within Engineering, Innovation & Architecture (EIA). The team consists of junior and senior developers, a Scrum Master, and…
Added 26 mins ago
M
Principal AI Software Engineer
Mphasis
Toronto, ON
- Full-time
We are seeking a hands-on AI Engineer / Generative AI Developer to design, develop, test, and deploy enterprise AI applications on Google Cloud Platform (GCP). The ideal candidate will have…
Added 26 mins ago
R
Platform Engineer
Rates.ca
Toronto, ON
- Full-time
…engineering ecosystem spanning cloud, edge, CI/CD, observability, and data platforms. As the platform surface grows, we’re looking for strong Platform Engineers who…
Added 26 mins ago
TC
Artificial Intelligence Engineer
TMC Canada
Montreal, QC
- Full-time
TMC Canada is looking for an experienced Applied AI Engineer to join our team in Montréal for a hybrid role (3 days on-site / 2 days remote).
Added 26 mins ago
C
AI Inference Core - Infrastructure SW Engineer
Cerebras
Toronto, ON
- Full-time
We are hiring a Software Engineer to design and build the core software behind Cerebras engineering infrastructure.
Added 27 mins ago
Senior Product Builder
Clutch Technologies Inc.
Toronto, ON
…operations, running growth experiments, connecting systems and data, and finding better ways to buy, sell, and move…
Added 29 mins ago
C
Frontier Engineer (Agentic_AI) - Canada
Cognizant
Toronto, ON
- Full-time
As a Frontier Engineer (AI/Agentic), you will make an impact by helping build scalable, cost-optimized, and secure AI-enabled solutions that reimagine business processes and deliver…
Added 29 mins ago
C
Frontier Engineer (Agentic_AI) - Canada
Cognizant
Toronto, ON
- Full-time
As a Frontier Engineer (AI/Agentic), you will make an impact by helping build scalable, cost-optimized, and secure AI-enabled solutions that reimagine business processes and deliver…
Added 29 mins ago
SC
Geotechnical EIT
SYSTRA Canada
Toronto, ON
- Full-time
As a Geotechnical Engineer, you will play a key supporting role in the investigation, design, and delivery of geotechnical solutions for foundation and pavement engineering projects within…
Added 29 mins ago
AI
Lead Full Stack with AI
Apptoza Inc.
Toronto, ON
- Contract
As a Staff Engineer supporting the ADT - CODI program within Operations Technology, you will lead the technical design, development, and implementation of complex, multi-platform…

Delos Data

Software Development Engineer in Test - AI

Montreal, QC, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 13, 2026
Posting language: English
Posted: Oct 14, 2026

Original job description

About Us

We are a startup building foundational technology to address performance, scalability, and resiliency challenges in large-scale AI data center clusters. We are backed by top-tier VC firms and notable angel investors.

The company is led by experienced builders and operators who have founded companies, taken them to scale, and exited successfully. We work with a strong sense of unity and shared responsibility, and we expect trust, integrity, and respect in how we collaborate and make decisions. We hold ourselves accountable to one another and to the quality of the work we deliver.

Headquartered in Silicon Valley, we operate across a mix of remote and on-site locations in the U.S. and Canada. We aim to create an environment where people are treated fairly, supported in their growth, and are empowered to do meaningful work alongside others who take the craft seriously.

Some Recent Press: https://www.eetimes.com/startup-boosts-scale-up-to-1000-gpus-in-a-single-domain/

We Are Looking For

We are looking for a Software Development Engineer in Test (SDET) to ensure the reliability and performance of our core AI infrastructure. In this role, you are an engineer who builds sophisticated automation frameworks and stress-testing suites to break and then harden our system.

You will be responsible for validating the intersection of distributed systems, GPU kernels, and AI frameworks. You will build a scalable foundation of trust in our code, ensuring that our performance-critical primitives work every time, at any scale.

Key Responsibilities

Design, develop, and maintain a robust automated testing framework from the ground up that supports distributed AI training and inference workloads.
Develop complex test plans that go beyond unit tests, focusing on end-to-end system integration, stress testing, and hardware-software boundary conditions.
Partner closely with System Engineers to debug deep-seated issues in distributed clusters, using telemetry and profiling tools to identify bottlenecks.

Required Skills And Qualifications

Strong proficiency in Python (for automation and orchestration).
Proven experience building or extending test automation frameworks for complex back-end systems.
Proven ability to troubleshoot automated test failures within complex large-scale distributed systems, and identify root causes.
Experience with containerization (Docker/Kubernetes) and modern CI/CD tools (GitHub Actions, GitLab CI, or Jenkins).

Desired Skills

Experience with Kubernetes or Terraform or Ansible for managing test-bed environments.
Experience testing high-performance networking protocols or distributed file systems.
Experience testing software that interacts directly with drivers or firmware.

Education

Bachelor's or Master's degree in Computer Engineering, Computer Science, or a related field.

Location:

This is a hybrid role based in Montreal.

Compensation

Target base salary for this role is $120,000 - $180,000 CAD per year + meaningful equity + benefits + RRSP. Our salary ranges are determined by role, level, experience, and location.

We are an equal opportunity employer. We value a range of perspectives and experiences and make employment decisions based on merit and business needs. We do not discriminate on the basis of legally protected characteristics.

Agency Note

We do not accept resumes from agencies or search firms. Please do not forward candidate profiles through our careers page, email, LinkedIn messages, or directly to company employees. Any resumes submitted will be deemed the property of the company, and no fees will be paid in the event the candidate is hired.

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More about this job

Responsibilities

Build and maintain automated testing frameworks and test plans for distributed AI training and inference, including end-to-end integration, stress, and hardware-software boundary testing. Work with system engineers to diagnose distributed-cluster issues using telemetry and profiling tools, and improve the reliability and performance of core infrastructure.

Requirements

Requires strong Python skills, experience building or extending automation frameworks for complex back-end systems, and the ability to troubleshoot failures in large-scale distributed systems. Also requires experience with containerization and CI/CD tools; a bachelor's or master's degree in computer engineering, computer science, or a related field is specified.

Skills

Python
Test Automation Frameworks
Distributed Systems
AI Training and Inference
Stress Testing
System Integration Testing
Docker
Kubernetes
CI/CD
GitHub Actions
GitLab CI
Jenkins
Telemetry
Profiling
High-Performance Networking
Distributed File Systems

Benefits

Equity
Benefits
RRSP

Visa sponsorship

Not detected in the job text

Keywords

Python
SDET
Test Automation
Automation Frameworks
Distributed Systems
AI Infrastructure
AI Training
AI Inference
GPU Kernels
Stress Testing
End-to-End Testing
System Integration
Hardware-Software Boundary Testing
Docker
Kubernetes
CI/CD
GitHub Actions
GitLab CI
Jenkins
Terraform
Ansible
High-Performance Networking
Distributed File Systems
Drivers
Firmware
Telemetry
Profiling
Semiconductor Manufacturing

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