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Added 1 month ago
TT
Développeur(se) logiciel IA/Software Designer Sherlock AI
Teledyne Technologies Incorporated
Montreal, QC · Canada - Montreal, QC (TDY)
- Full-time
…research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical…
Added 1 month ago
N
Marketing Engineer & Director of AEO
Notified
Toronto, ON · Greater Toronto Area, Canada
- Full-time
HTML, CSS, JavaScript, TypeScript, Python, SQL, or similar languages used to inspect, automate, and improve web and data systems.
Added 1 month ago
W
Senior / Staff ML Ops Engineer
Waabi
Toronto, ON
- $184,000 to $272,000 USD / year
- Full-time
Shape the developer-facing surface - CLIs, SDKs, job submission, templates, paved paths - designed with the teams who'll use them. Make the common case one command and keep the uncommon…
Added 1 month ago
Software Engineer- Global Payments Engineering
Scotiabank
Toronto, ON
The Software Engineer, Global Payment Technology, contributes to the overall success of the Global Payment Technology globally by designing, developing, and implementing applications using…
Added 1 month ago
L
Senior Quality Engineer
LTM
Mississauga, ON
- Full-time
Strong experience in designing and implementing test automation frameworks using Selenium Appium Rest Assured Java Python and C across web mobile and API applications
Added 1 month ago
FE
AI Automation Engineer
Future Electronics
Kirkland, QC
- Full-time
Bachelor's degree in Computer Science, Software Engineering, Information Systems, Data Science, Artificial Intelligence, or a related field.
Added 1 month ago
Sr. Solutions Architect | Architecte de solutions senior, Agentic WorkSpaces Canada
Amazon
Toronto, ON · Montreal, QC
Added 1 month ago
UR
Forward Deployed Engineering, US Oncology
Urban Ridge Supplies
Mississauga, ON
- Full-time
This role requires strong software engineering judgment, broad technical fluency, and exceptional stakeholder engagement. The FDE role provides technical coherence from problem through…
Added 1 month ago
UR
AI Engineer
Urban Ridge Supplies
Guelph, ON
- Full-time
4+ years of software engineering experience, with at least 1 year building Generative AI applications.
Added 1 month ago
UR
Machine Learning Engineer
Urban Ridge Supplies
Toronto, ON
- Full-time
You write production-quality code (Python at minimum) and can work inside a real backend codebase
Added 1 month ago
UR
Middle/Senior Forward Deployed Engineer (Python, AI)
Urban Ridge Supplies
Toronto, ON
- Full-time
A demonstrated record of delivering production software used by real users and business teams.
Added 1 month ago
UR
Senior AI Engineer, IT Solutions 1
Urban Ridge Supplies
Toronto, ON
- Full-time
11+ years of experience in Information Technology, Software Engineering, or Data Science, with a significant focus on AI/ML development.
Added 1 month ago
UR
AI Engineer
Urban Ridge Supplies
Kitchener, ON
- Full-time
4+ years of software engineering experience, with at least 1 year building Generative AI applications.
Added 1 month ago
UR
Principal Software Engineer
Urban Ridge Supplies
Toronto, ON
- Full-time
We are seeking a visionary Principal Software Engineer to join our Engineering team. In this role, you will drive our technical strategy, tackle our most complex engineering challenges, and…
Added 1 month ago
UR
AI Inference Engineer
Urban Ridge Supplies
Toronto, ON
- Full-time
Develop and maintain software systems and product features using one or more general-purpose programming languages in a production-level environment, with a preference for Python due to its…
Added 1 month ago
UR
Senior Software Engineer (Conductor)
Urban Ridge Supplies
Toronto, ON
- Full-time
…That means working across the full stack: backend services in Python and TypeScript, integrations against real healthcare provider environments (HL7 v2, FHIR, DICOM, RIS/PACS, EMR webhooks,…
Added 1 month ago
B
Software Engineer - Testing Frameworks
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing…
Added 1 month ago
AA
Développeur Responsable technique Skywise / Skywise tech lead developer
Airbus Aircraft
Montreal, QC
- Full-time
Bien-être / santé: Programme d’Aide aux Employé.e.s (PAE), programme de rabais, service médical sur site, accès à un service de navette publique entre Laval (station de métro Montmorency)…
Added 1 month ago
Senior Software Verification and Validation Engineer - Medical Device
MMR Consulting
Vaughan, ON
We are seeking an experienced Senior Software Verification and Validation (V&V) Engineer to support the development, integration, verification, and validation of medical devices, diagnostic…
Added 1 month ago
Senior Software Verification and Validation Engineer - Medical Device
MMR Consulting
Vaughan, ON
We are seeking an experienced Senior Software Verification and Validation (V&V) Engineer to support the development, integration, verification, and validation of medical devices, diagnostic…
Added 1 month ago
D
Senior Power Systems Engineer, Resource Integration
DNV
Toronto, ON
- Full-time
Added 1 month ago
A
Staff Marketing Technology Engineer
Absorb
Remote, Canada
- Full-time
- Remote
Absorb Software is looking for a Marketing Technology Engineer to own and evolve the technology behind our data-driven and AI-driven marketing. This is a dual mandate. On one side, you’ll…
Added 1 month ago
S
Test Development Engineer
Sanmina
Ottawa, ON
- Full-time
…Optical, and Pluggable equipment. This role focuses on both software and hardware test development. While you will write robust, scalable test code in Python, C or C++ for RF and optical…
Added 1 month ago
OS
Application Security Researcher
OX Security
Toronto, ON
- Full-time
Strong coding skills in Python, Go, or a similar language, with experience shipping production-quality code
Added 1 month ago
EA
Développeur.se de logiciels sénior.e - Plate-forme de capture multimodale / Senior Software Developer - Multimodal Capture Platform
Electronic Arts (EA)
Vancouver, BC
- Full-time
As a Senior Software Engineer, you will own the architecture and development of a shared platform for capturing synchronized, multimodal data from EA game engines. You will create the…

Baseten

Software Engineer - Testing Frameworks

Montreal, QC, Canada

$165,000 to $330,000 USD / year · Full-time

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Job details

Pay: $165,000 to $330,000 USD / year
Job type: Full-time
Posting language: English
Posted: Aug 11, 2026

Original job description

About Baseten

Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products.

THE ROLE

Baseten is seeking talented and experienced Software Engineers to join our Platform team within the Infrastructure organization. As a senior member of Baseten's Platform Team, you will own the systems that let every engineer at Baseten prove their code works before it reaches production. Our product runs mission-critical AI inference for customers who measure downtime in dollars per second, which means our internal bar for correctness, performance, and failure tolerance has to be exceptional.

Your focus is the full testing stack: fast and reliable unit test tooling, integration harnesses that spin up realistic environments on demand, load and performance testing for GPU-backed inference workloads, and resilience testing that deliberately breaks things so our customers never have to find out what happens when a node dies mid-request. This is a builder role with org-wide leverage. You won't be writing tests for other teams - you'll be building the frameworks, harnesses, and feedback loops that make writing good tests the path of least resistance, and you'll set the standards for what "well-tested" means at Baseten.

Responsibilities

Own Baseten's testing strategy end to end - define the standards, the tiers, and the tooling that engineering teams build against.
Build and maintain unit, integration, load and performance testing frameworks
Design end to end test infrastructure that provisions realistic dependencies on demand - ephemeral Kubernetes namespaces, containerized service dependencies, etc.
Build resilience and chaos testing capabilities: fault injection, network partition and latency simulation, pod and node failure scenarios, dependency degradation, and automated verification that our systems degrade gracefully and recover.
Attack test suite reliability head-on - flake detection and quarantine, test impact analysis and selective execution, parallelization, and aggressive reduction of end-to-end CI wall time.
Build observability into the testing layer itself: coverage reporting, test health dashboards, failure triage tooling, and clear signals about which areas of the codebase are under-tested.
Create project templates and shared libraries so new services start with a complete testing setup on day one.
Partner directly with product and infrastructure teams - embed where needed, understand their hardest testing problems, and turn one-off solutions into platform capabilities.
Mentor engineers across the org on testing practice and raise the collective bar through code review, documentation, and internal advocacy.

Requirements

Strong proficiency in Go and/or Python, with hands-on experience building test tooling and libraries used by other engineers.
Deep experience with testing frameworks and their internals - pytest, Go's testing package, testify, testcontainers, or equivalents - including the ability to extend them, not just use them.
Experience designing integration test infrastructure for distributed systems, including ephemeral environment provisioning and dependency management.
Practical experience with load and performance testing tools (k6, Locust, Vegeta, JMeter, Gatling, or similar) and the judgment to interpret results and drive action from them.
Solid Kubernetes and Docker fundamentals - you can build test infrastructure that runs on and tests against real cluster environments.
Advanced understanding of CI/CD, including how to keep large test suites fast, deterministic, and trustworthy at scale.
A track record of measurably improving testing culture on an engineering team - you have opinions on what to test, what not to test, and where the ROI actually is.
Are excited about building foundational infrastructure and are comfortable working independently on ambiguous, high-impact technical challenges

Benefits

Competitive compensation, including meaningful equity
(U.S. only) 100% coverage of medical, dental, and vision insurance for employee and dependents
Flexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!)
Paid parental leave
Fertility and family-building stipend through Carrot
(U.S. only) Company-facilitated 401(k)
Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities.

Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you.

At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).

Compensation Range: $165K - $330K

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More about this job

Responsibilities

Own Baseten’s testing strategy and build shared frameworks for unit, integration, load, performance, and resilience testing, including infrastructure that provisions realistic environments on demand. Improve test reliability and CI speed, provide testing observability and reusable service templates, and partner with and mentor engineering teams to raise testing standards.

Requirements

Requires strong Go and/or Python skills and hands-on experience building testing tools and libraries, extending testing frameworks, and designing integration infrastructure for distributed systems. Candidates should also have practical load and performance testing experience, Kubernetes and Docker fundamentals, advanced CI/CD knowledge, and a record of improving testing practices.

Skills

Go
Python
Testing Frameworks
Unit Testing
Integration Testing
Load Testing
Performance Testing
Chaos Testing
Distributed Systems
Kubernetes
Docker
CI/CD
Test Infrastructure
Fault Injection
Test Suite Reliability
Observability

Benefits

Competitive Compensation
Equity
Medical Insurance
Dental Insurance
Vision Insurance
Flexible Paid Time Off
Company-Wide Winter Break
Paid Parental Leave
Fertility And Family-Building Stipend
401(k)
Learning And Networking Opportunities

Visa sponsorship

Not detected in the job text

Keywords

Go
Python
Pytest
Go Testing Package
Testify
Testcontainers
Kubernetes
Docker
CI/CD
Distributed Systems
Unit Testing
Integration Testing
Load Testing
Performance Testing
Chaos Testing
Fault Injection
Network Partition Simulation
Latency Simulation
Ephemeral Environments
Containerized Dependencies
Test Impact Analysis
Test Parallelization
Flake Detection
Coverage Reporting
Observability
GPU-Backed Inference
k6
Locust
Vegeta
JMeter

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