Jobs in Canada

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Added 7 mins ago
ERP Business Analyst
Husky Technologies
Bolton, ON
Full-time
Advanced business process knowledge in one or more of the following areas: Finance, Discrete Manufacturing, Engineer-to-Order (ETO) Manufacturing, Supply Chain, Warehouse Management, and…
Added 22 mins ago
Lead Quality Engineer - Data
Royal Bank of Canada
Toronto, ON
Full-time
The Lead Data Quality Engineer is responsible for creating and executing comprehensive data testing strategies and solutions, with focus on data validation, integrity testing, and quality…
Added 22 mins ago
Senior Manager, Technical Support
Sectigo
Ottawa, ON
Full-time
Added 37 mins ago
Software Chief Engineer
Kepler Communications Inc.
Canada
Full-time
As the Software Leader/Chief Engineer, you are the senior technical authority for software across Kepler’s programs and the point of technical accountability for the integrity and coherence…
Added 52 mins ago
Principal Electrical Engineer
Worley
Vancouver, BC · Edmonton, AB · Calgary, AB
Full-time
Registration as a Professional Engineer (P.Eng) with APEGA, or eligibility to obtain registration.
Added 52 mins ago
Solution Engineer, Public Sector, Canada
Salesforce
Toronto, ON · Canada - Toronto
Full-time
The Solution Engineer must have a strong desire to demonstrate their technical, presentation, and persuasive skills related to positioning Salesforce solutions, including the ability to…
Added 1 hour ago
Senior Manager, Technical Support
Sectigo
Ottawa, ON
Full-time
Added 1 hour ago
Senior Mechanical Engineer
DarkVision
North Vancouver, BC
Full-time
DarkVision, part of Koch Engineered Solutions, is seeking a talented and experienced Senior Mechanical Engineer to join our team and contribute to the development of our state-of-the-art…
Added 1 hour ago
Data Engineer
DarkVision
North Vancouver, BC
Full-time
DarkVision is seeking a Data Engineer to join our Imaging & AI team. You will contribute to multiple data pipelines that provide operational intelligence, underpin machine learning models,…
Added 1 hour ago
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 1 hour ago
Technical Specification Engineer
Brandt Group of Companies
Mississauga, ON
Full-time
Brandt is currently seeking a Truck Technical Specification Engineer located in our Mississauga location. The Technical Specification Engineer will be responsible for developing, writing,…
Added 1 hour ago
Technical Specification Engineer
Brandt Group of Companies
Stoney Creek, NB
Full-time
Brandt is currently seeking a Truck Technical Specification Engineer located in our Stoney Creek Peterbilt location. The Technical Specification Engineer will be responsible for developing,…
Added 1 hour ago
Senior Civil Engineer
Brandt Group of Companies
Regina, SK
Full-time
Professional Engineer (P.Eng.) designation in Canada
Added 1 hour ago
Lead Civil Engineer
Brandt Group of Companies
Regina, SK
Full-time
Brandt Developments has a Lead Civil Engineer position available at our Regina, Saskatchewan location. This position is responsible for the design and approval of Civil Engineering works…
Added 1 hour ago
Engineering Team Lead - Tillage
Brandt Group of Companies
Regina, SK
Full-time
Professional Engineer or Technologist designation
Added 2 hours ago
Senior Structures Aircraft Maintenance Engineer – Team Leader
Coulson Aviation
Port Alberni, BC
$65 to $75 CAD / hour
Full-time
Added 2 hours ago
Audio Software Engineer - EA SPORTS™ NHL
EA SPORTS
Vancouver, BC
Full-time
As an Audio Software Engineer, you will develop and support the core technology that brings our audio experiences to life. You will collaborate closely with Audio Artists, Designers, and…
Added 2 hours ago
Audio Software Engineer - EA SPORTS™ NHL
EA SPORTS
Vancouver, BC
Full-time
As an Audio Software Engineer, you will develop and support the core technology that brings our audio experiences to life. You will collaborate closely with Audio Artists, Designers, and…
Added 2 hours ago
Data Architect
Brandt Group of Companies
Regina, SK
Full-time
Brandt is seeking a highly skilled and motivated Data Engineer to join our dynamic team. The ideal candidate will have a strong background in designing, implementing, and optimizing data…
Added 2 hours ago
Software Developer - Full Stack - Senior - RQ11443
S M Software Solutions Inc
Toronto, ON
Internship
Reverse engineer and re-platform the existing logic (e.g., Web FOCUS).
Added 2 hours ago
Software Developer - Full Stack - Senior - RQ11443
S M Software Solutions Inc
Toronto, ON
Internship
Reverse engineer and re-platform the existing logic (e.g., Web FOCUS).
Added 2 hours ago
Développeur expert IA
CGI
Montreal, QC
Full-time
Certification AI/ML sur une plateforme Cloud : Azure AI Engineer, AWS Machine Learning ou GCP Professional Machine Learning Engineer.
Added 2 hours ago
Presentation Software Engineer - EA SPORTS™ NHL (TFT)
EA SPORTS
Vancouver, BC
Temporary
As a Presentation Software Engineer, you will develop and support the core technologies that bring our game's storytelling and broadcast presentation to life. You will collaborate closely…
Added 2 hours ago
AI Engineer
S M Software Solutions Inc
Mississauga, ON
Full-time
We are seeking an experienced AI Engineer with 7+ years of experience in software and AI engineering to design, develop, and deploy AI/ML solutions. The ideal candidate will have strong…
Added 2 hours ago
AI Engineer
S M Software Solutions Inc
Mississauga, ON
Full-time
We are seeking an experienced AI Engineer with 7+ years of experience in software and AI engineering to design, develop, and deploy AI/ML solutions. The ideal candidate will have strong…

Chorus AI

Senior Software Engineer, Machine Learning

Toronto, ON, Canada

Pay: $150,000 to $170,000 CAD / year
Job type: Full-time
Experience: 5+ years of relevant software engineering experience, with a track record of owning production systems end to end.
Posting language: English
Posted: Sep 22, 2026

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Original job description

Senior Software Engineer, Machine Learning Chorus · Toronto, Ontario Location: Toronto, Ontario, in office ~4 days/week (68 Claremont Street, near Ossington and Queen St. West) Compensation: 150,000–170,000 CAD + equity Reports to: Technical CEO, working directly with our Founding Engineer and Founding Data Scientist Apply here: About Chorus Chorus is the marketing intelligence platform for nonprofits. We help mission-driven organizations send the right message to the right supporter at the right moment, building a preference profile for every supporter and routing each one to the content they're most likely to act on. Nonprofits that use Chorus raise 10–20% more revenue from their marketing. We work directly with nonprofits and advocacy organizations in the US and Canada, and alongside some of the sector's leading marketing agencies, reaching campaigns and programs with budgets in the billions, up to and including U.S. presidential campaigns. Our customers include Feeding America and the Human Rights Campaign. We closed a seed round earlier this year and are seeing early product-market fit: we're closing tens to hundreds of thousands of dollars in new revenue every month. Now we need an experienced engineer to own the product that's driving it. The role This is our third non-founder hire. You'll work out of our Toronto office alongside our technical CEO, Founding Data Scientist, and Founding Engineer. You'll own Automated Personalized Marketing, our product that uses machine learning models to build audience segments in real time. That means three things: The ML product, end to end. You'll own the system clients use every day: how models are trained, deployed, served, and monitored, and how their output becomes segments a marketer can act on. You own its reliability, and its performance. The path from model to production. You'll work closely with the founding data scientist to translate business requirements into machine learning definitions and model designs. You'll then train the respective models and turn them into production systems, with evaluation that reflects how the models are actually used, not just how they scored offline. The platform underneath. Our Founding Engineer owns the data platform that feeds it all: ingesting client marketing data, keeping it clean and current, and making it fast enough to segment in real time. You'll collaborate closely with them, shaping what the platform needs to deliver for the ML product and building on top of it. What you'll bring 5+ years of relevant software engineering experience, with a track record of owning production systems end to end. Hands-on ML engineering. You've trained machine learning models, deployed them to production, and evaluated how they perform once real users and real data hit them. Strong engineering fundamentals: testing, CI/CD, observability, and the discipline to keep a small team's codebase healthy as it grows. Comfort across our backend stack: a Python/FastAPI backend, MongoDB, S3, Redis, Pinecone, and AWS, deployed on Render. Comfort across our emerging data platform stack: Python and DuckDB on Dagster Judgment to work independently in an early-stage environment. You set your own direction on ambiguous problems, and you know when something is ready to ship. Numerical computing and performance optimization at scale. You're comfortable with the linear algebra under our models, including large matrix operations, and you know how to make it fast and memory-efficient on big datasets: vectorization, sparse representations, batching, and profiling to find the real bottleneck. Bonus points Martech, CRM, or marketing data experience (email engagement, supporter or donor behavior). Experience with hexagonal (ports-and-adapters) architecture. It's how our FastAPI backend is structured. Experience building retrieval or embedding-based systems. We use Pinecone for embedding-based matching in our models. C$150,000 - C$170,000 yearly

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More about this job

Responsibilities

Own the end-to-end Automated Personalized Marketing product, including the training, deployment, and monitoring of ML models. Collaborate with the founding team to translate business requirements into production-ready ML systems and integrate them with the data platform.

Requirements

Requires 5+ years of software engineering experience with a proven track record of deploying production ML systems. Must be proficient in Python, AWS, and numerical computing, with the ability to work independently in an early-stage environment.

Skills

Machine Learning Engineering
Python
FastAPI
MongoDB
S3
Redis
Pinecone
AWS
Render
DuckDB
Dagster
CI/CD
Numerical Computing
Performance Optimization
Linear Algebra
Hexagonal Architecture

Benefits

Equity

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
Software Engineering
Python
FastAPI
MongoDB
S3
Redis
Pinecone
AWS
Render
DuckDB
Dagster
CI/CD
Observability
Linear Algebra
Vectorization
Sparse Representations
Batching
Profiling
Martech
CRM
Hexagonal Architecture
Embedding-based Systems
Marketing Intelligence
Nonprofits
Production Systems

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