Senior Full-Stack Engineer, Annotation Platform

Ottawa, Ottawa region

On-site

Full-time

No salary posted4 days ago

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Employment type: Full-time · On-site
Posted: November 9, 2026
NOC code: 21231 — Software engineers and designers
Province: Ontario (ON)

Hiring confidence: Sparse posting · 33/100

This posting is missing most of the signals we look for, or shows patterns common to listings that are not actively being filled. Check with the employer before applying. How this is scored

Job Overview

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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 …

This role is based in Ontario. The Canadian NOC code for this position is 21231 — Software engineers and designers. Cohere is hiring for this full-time position through Jobily, where you can check how well your resume matches the posting before you apply.

Market context

About this role in Ontario

Average salary for Senior Full-Stack Engineer, Annotation Platform in Ontario

We do not have a salary benchmark for this title in Ontario yet. The posting does not state a salary either.

NOC code

21231 — Software engineers and designers. The National Occupational Classification code is what Express Entry, provincial nominee programs and Job Bank use to identify this occupation.

Typical qualifications for Canadian employers

Senior-level experience in full-stack engineering
Experience with enterprise AI products
Strong foundation in both frontend and backend technologies
Experience building scalable systems
Security-minded approach to software development

Fit check

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What you'll do

Build cutting-edge foundation AI models and end-to-end products
Solve real-world business problems for enterprise clients
Contribute to training and deploying frontier models
Develop annotation platform features
Take ownership of product quality and engineering excellence

What you'll need

Senior-level experience in full-stack engineering
Experience with enterprise AI products
Strong foundation in both frontend and backend technologies
Experience building scalable systems
Security-minded approach to software development