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Added 4 months ago
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Software Engineer, Intermediate or Senior
Index - Web Marketing Agency
Montreal, Quebec
- Full-time
Data science understanding (machine learning, A.I., statistics)
Added 4 months ago
AT
ead Full Stack Developer (C# / .NET Core / Azure)
Aarorn Technologies Inc
Toronto, Ontario
- Contract
Familiarity with building and training machine learning models (e.g., regression, classification, clustering) using frameworks like Scikit-learn, TensorFlow, or PyTorch
Added 5 months ago
EC
Member of Technical Staff, Small Language Models
E+E Consulting
Montreal, QC
- Full-time
A research engineer first. Engineers here do research. Researchers here do engineering.
Added 4 months ago
AL
Forward Deployed AI Engineer
Arkanis Labs
Remote, Canada
- $120,000 to $200,000 CAD / year
- Full-time
- Remote
Neither founder came up the standard way. Both started in the hard sciences and taught themselves computer science and machine learning from there. They worked with the first generation of…
Added 5 months ago
KA
AI Engineer/FDE/Data Scientist
Kiln AI
Remote, Canada
- $80,000 to $150,000 CAD / year
- Full-time
- Remote
…we’re building the workbench for AI teams including evals, auto-research, fine-tuning, RAG, skills, agentic optimization, and much more. Learn more at…
Added 3 months ago
T
Senior LEO Satellite Operations Engineer
Telesat
Ottawa, ON
- Full-time
As a member of the LEO SOC Satellite Operations team, the Senior LEO Satellite Operations Engineer will provide technical support for engineering aspects related to ensuring effective…
Added 2 months ago
Senior Machine Learning Engineer
Fitch Group
Toronto, ON
Senior Machine Learning Engineer – AI Innovation Teams
Added 1 month ago
IS
Senior Machine Learning / AI Engineer
INETCO Systems Ltd.
Vancouver, BC
- Full-time
We are looking for a Senior Machine Learning / AI Engineer to help design, build, test and deploy machine learning and AI-based systems for our BullzAI product line.
Added 3 months ago
S
Senior ML Research Engineer, Virtual Cell
SandboxAQ
Remote, Canada
- $125,800 to $222,000 CAD / year
- Full-time
- Remote
As a Machine Learning Engineer on AQCell, you will build and maintain the models and data infrastructure that power this pipeline. You will work across large, heterogeneous transcriptomic…
Added 1 month ago
W
Senior / Staff Software Engineer, AI Tech Strike Team
Waabi
Toronto, ON
- $165,000 to $265,000 USD / year
- Full-time
…aim of maximizing productivity. We are looking for hands-on senior software engineers to build the AI tooling, agents, and workflows that accelerate how we work. As a Software Engineer on…
Added 1 month ago
A
Principal Design Verification Engineer
AMD
Markham, ON
- $187,200 to $280,800 USD / year
- Full-time
…design. We are looking for a Principal Design Verification Engineer who is excited to lead at the intersection of design verification, system architecture, and AI-enabled engineering. In…
Added 1 month ago
MC
Senior Machine Learning Engineer Specialist – AI Centre of Excellence (35668)
Myticas Consulting
Canada
- Contract
Senior Machine Learning Engineer / Specialist – AI Centre of Excellence
Added 1 month ago
AG
Lead AI Engineer
Altus Group
Toronto, ON
- Full-time
Build scalable AI and ML practices. You will help establish standards, frameworks, and best practices for AI and machine learning
Added 1 month ago
C
Product Security Engineer, North Security
Cohere
Remote, Canada
- $180,000 to $385,000 USD / year
- Full-time
- Remote
We're hiring a Senior Product Security Engineer to work these problems alongside the engineers building the products, reviewing architecture and code, threat modeling before implementation,…
Added 5 months ago
QT
Senior Applied AI Engineer - Product & Revenue Systems
QEA Tech
Markham, Ontario
- Full-time
The ideal candidate has 5+ years of experience in applied AI, machine learning, data engineering, computer vision, LLM-based systems, or growth engineering.
Added 6 months ago
F
Computer Vision & Behavioral Signal Analysis Intern (Travel + Hospitality Focus)
FairwAI
Remote, Canada
- Remote
…leading industry partners, we are applying computer vision, machine learning, and behavioral science to uncover subtle but systemic discrimination in real-time…
Added 6 months ago
SG
Senior Machine Learning Engineer
Spexi Geospatial
Remote, Canada
- $200,000 to $250,000 CAD / year
- Full-time
- Remote
We’re looking for a Senior Machine Learning Engineer to lead the development of experimental models, algorithms and prototype systems that push the boundaries of what’s possible with…
Added 6 months ago
F
Computer Vision & Behavioral Signal Analysis Intern (Healthcare Focus)
FairwAI
Remote, Canada
- Remote
…leading industry partners, we are applying computer vision, machine learning, and behavioral science to uncover subtle but systemic discrimination in real-time…
Added 1 month ago
T
Senior Software Engineer (Back-end/Server)
Trulioo
Vancouver, BC · Toronto, ON
- Full-time
Trulioo is looking for a Senior Software Engineer to lead the architecture and development of high-throughput, low-latency back-end services that power our Document and Biometric…
Added 1 month ago
M
Senior AI Engineer
Mastercard
Vancouver, BC
- Full-time
…Mastercard and works alongside data science teams to move their research products into production. As a Senior AI Engineer, you will independently build and ship agent-based applications…
Added 6 months ago
JC
Machine Learning Engineer - IV (Biometrics)
Jumio Corporation
Montreal, Quebec
- Full-time
We’re looking for a Staff/Senior Machine Learning Engineer with deep expertise in computer vision and biometrics to lead the design and scaling of face recognition systems in production.…
Added 3 months ago
TH
Senior AI Engineer - Full time
Trillium Health Partners
Mississauga, Ontario
- Full-time
Reporting to the Director, AI & Digital Planning, the Senior AI Engineer will be responsible for using the latest AI tools to design, prototype, build, evaluate, and scale AI solutions…
Added 1 month ago
A
Senior Lead Software Engineer, Back End (Bangkok based, Relocation provided)
Agoda
Toronto, ON
- Full-time
Deep understanding of CI/CD pipelines, automation tools, and practices relevant to machine learning.
Added 1 month ago
Senior Software Engineer, Device Identity ( Toronto)
Okta
Toronto, ON
We seek a dynamic and influential Senior Software Engineer to join our Device Identity engineering team. The ideal candidate will leverage their deep Java experience to architect, build,…
Added 1 month ago
Senior Data Platform Engineer
LawZero
Montreal, QC
We are seeking a visionary and highly technical Senior Data Platform Engineer to architect, implement, scale, and maintain the data engine powering our next-generation frontier models.

Cohere

Product Security Engineer, North Security

Remote, Canada

Remote

$180,000 to $385,000 USD / year · Full-time

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Job details

Pay: $180,000 to $385,000 USD / year
Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Sep 11, 2026

Original job description

Who are we?

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.

We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that.

We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft.

We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us!

Why this role

Enterprises hand Cohere their most sensitive data and put our models inside workflows they can't afford to get wrong. Securing that means working on problems the industry hasn't settled yet, what authorization means when an agent acts on a user's behalf, how to contain tools that consume untrusted input, and whether tenant boundaries hold when a model can be steered by the data it reads. The established playbooks only take you so far.

We're hiring a Senior Product Security Engineer to work these problems alongside the engineers building the products, reviewing architecture and code, threat modeling before implementation, testing what ships, and turning what you learn into defaults other teams inherit. This is a hands-on engineering role, not an advisory one.

What you’ll do

Lead security reviews. Review architecture, code, and security-sensitive changes. Identify both individual vulnerabilities and the recurring design patterns behind them.
Secure AI-powered products. Evaluate risks such as prompt injection, unsafe tool use, identity and delegation failures, excessive agency, data exposure, tenant isolation, and sandbox escapes.
Threat model new capabilities. Identify trust boundaries, abuse cases, and high-impact failure modes before implementation. Translate findings into practical, prioritized mitigations.
Perform hands-on testing. Investigate suspected vulnerabilities, develop proofs of concept, assess exploitability and impact, and partner with engineers through remediation.
Build scalable guardrails. Develop secure defaults, approved patterns, reusable controls, review requirements, and automated checks that reduce recurring risks.
Strengthen engineering capability. Pair with engineers, document practical guidance, and help product teams develop durable security expertise.
Influence risk decisions. Explain technical findings, business impact, and remediation options clearly to engineers, product leaders, and executives.

You may be a good fit if

You have strong software engineering fundamentals and can independently understand, test, and contribute fixes to production codebases.
You are proficient in at least one of Python, Go, or TypeScript.
You have led security reviews or threat models for complex production systems and can point to meaningful design or risk improvements that resulted.
You understand common vulnerability classes and their underlying design failures, including injection, authorization flaws, IDOR, SSRF, unsafe deserialization, race conditions, cryptographic misuse, and software supply-chain risks.
You understand modern application architecture, including web applications, APIs, OAuth/OIDC, cloud platforms, containers, Kubernetes, and CI/CD systems.
You can reason rigorously about untrusted input, authorization, isolation, identity, delegation, and data boundaries. Direct experience with agentic AI systems is valuable but not required.
You have driven security improvements involving multiple engineering teams, including situations where influence mattered more than authority.
You communicate clearly with both technical and non-technical audiences.

Nice to have

Experience building or operating security tooling such as SAST, DAST, SCA, custom linters, or policy-as-code.
Experience securing multi-tenant SaaS, enterprise software, or systems that process sensitive customer data.
Offensive security experience through penetration testing, red teaming or security research.
Experience operating or participating in a vulnerability disclosure or bug bounty program.
Contributions to open-source security projects, published research, conference talks, or credited vulnerability discoveries.

Full-Time Employees at Cohere enjoy these Perks:

A weekly lunch stipend of $75/£75 or equivalent in your local currency for lunch.
Full health and dental benefits, including a separate budget for mental health.
RRSP matching, 401K, Pension Scheme.
100% Parental Leave top-up for up to 6 months, for either parent.
Annual enrichment benefits:
Arts & culture, fitness/wellness, quality time, and a workspace improvement credit.
Education & learning stipend for conferences, courses, and coaching.

6 weeks of paid vacation (30 working days!)
Budget for traveling to other offices if you are remote, plus an annual company offsite.

How and Where We Work:

Cohere is remote-friendly, but we also have offices in Toronto, London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul with more opening soon.
For those in the office: a daily lunch program, plenty of snacks, and regular community and social events.
For those not near an office: a co-working benefit so you can work alongside others in your city.
Everyone receives a $500 home office stipend to set up your workspace properly.

If any of the above doesn’t line up exactly with your experience, we still encourage you to apply.

We strive to create an inclusive work environment for all; we welcome applicants from all backgrounds and are committed to providing equal opportunities. Should you require any accommodations during the recruitment process, please submit an Accommodations Request Form, and we will work together to meet your needs.

We may use AI-enabled tools to screen and assess applicants against the criteria for this position. This helps our recruiters identify potentially qualified candidates, but it doesn't limit the applications our recruiters may review or consider.

Beware of Scams: Cohere will never ask for payment or third-party services (e.g., CV writing) as part of our hiring process. All legitimate roles are listed on the Cohere careers page and LinkedIn only, with all communications from Cohere employees coming from an @cohere.com or @cw.cohere email alias. If jobs are viewed on other sites then please verify these through our official careers page.

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More about this job

Responsibilities

The Senior Product Security Engineer will lead security reviews, threat modeling, and hands-on testing for AI-powered products. They will also build scalable guardrails and partner with engineering teams to remediate vulnerabilities and improve security architecture.

Requirements

Candidates must have strong software engineering fundamentals and proficiency in Python, Go, or TypeScript. Experience leading security reviews for complex production systems and a deep understanding of modern application architecture and vulnerability classes are required.

Skills

Product Security
Software Engineering
Python
Go
TypeScript
Threat Modeling
Security Reviews
Vulnerability Assessment
Cloud Security
Kubernetes
API Security
Identity and Access Management
OAuth
OIDC
CI/CD
AI Security

Benefits

Weekly lunch stipend
Health benefits
Dental benefits
Mental health budget
RRSP matching
401k matching
Pension scheme
Parental leave top-up
Arts and culture benefit
Fitness and wellness benefit
Workspace improvement credit
Education and learning stipend
Paid vacation
Home office stipend
Co-working benefit

Remote locations

Toronto, Canada
London, United Kingdom
New York City, New York, United States
San Francisco, California, United States
Montreal, Canada
Paris, France
Berlin, Germany
Seoul, South Korea

Remote locations (standardized)

Berlin, Germany
London, England, United Kingdom
Montreal, Quebec, Canada
New York, New York, United States
Paris, Ile-de-France, France
San Francisco, California, United States
Seoul, South Korea
Toronto, Ontario, Canada

Visa sponsorship

Not detected in the job text

Keywords

Product Security
AI
Machine Learning
Python
Go
TypeScript
Threat Modeling
SAST
DAST
SCA
Kubernetes
OAuth
OIDC
CI/CD
Injection
IDOR
SSRF
SaaS
Enterprise Software
Penetration Testing
Red Teaming
Bug Bounty
Security Research
Policy-as-code
Container Security
Agentic AI
Software Supply-chain
Cryptography
Architecture Review
Risk Management

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