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Added 8 hours ago
Manager, Marketing & Communications
Take a Hike Foundation
Vancouver, BC
Full-time
…Development Team. We are looking for a seasoned and skilled marketer and digital media expert to join a Development Team that describes themselves as “passionate, hard-working,…
Added 9 hours ago
Marketing Manager
1Click Energy Solutions
Toronto, ON
$85,000 CAD / year
Full-time
…leadership can make a measurable impact. If you’re a strategic marketer who enjoys solving problems, leading initiatives, and driving business growth, we’d love to hear from…
Added 13 hours ago
Senior Software Engineer, Machine Learning
Chorus AI
Toronto, ON
$150,000 to $170,000 CAD / year
Full-time
…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…
Added 13 hours ago
Growth Marketer
The Flex
Canada
Full-time
…stay broad and run across several. Paid ads, SEO, outbound, content, lifecycle, funnels - wherever your instincts pull you, we want people who can find what works and make it…
Added 14 hours ago
Marketing Campaign Lead
Fortra
Canada
Full-time
…channel enablement programs. The ideal candidate is a strategic marketer with strong analytical capabilities, exceptional project management skills, and a passion for delivering measurable…
Added 15 hours ago
Performance Marketing Manager -Responsable marketing à la performance
Procter & Gamble
Toronto, ON
Full-time
The successful Performance Marketer will plan, execute, and optimize digital media investments to drive measurable business results. This role helps translate brand and customer objectives…
Added 16 hours ago
Performance Marketing Manager -Responsable marketing à la performance
Procter & Gamble
Toronto, ON
Full-time
The successful Performance Marketer will plan, execute, and optimize digital media investments to drive measurable business results. This role helps translate brand and customer objectives…
Added 16 hours ago
Senior Growth Marketing Manager
Acuity Insights
Remote, Canada
Other · Remote
…help accelerate our adoption, from campaign development and content repurposing to research, testing, and analysis. Across all of it, we want to get much better at understanding what…
Added 18 hours ago
Manager, Customer Engagement Marketing
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
Full-time
Added 21 hours ago
Senior Software Engineer, Machine Learning
Chorus
Toronto, ON
Full-time
…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…
Added 1 day ago
Marketing Manager
TEKsystems
Toronto, ON
Contract
Are you a strategic marketer who loves building campaigns that generate measurable business impact? Do you thrive in collaborative, fast-paced environments where you can influence growth,…
Added 1 day ago
Growth Strategist (Freelance, Remote)
Digital
Remote, Canada
Other · Remote
This role is ideal for a versatile growth marketer who can combine strategy and execution across areas including SEO, AI search optimisation (AEO), website conversion, audience growth,…
Added 1 day ago
Senior Manager, Product Marketing
Benevity
Remote, Canada
Full-time · Remote
As a seasoned product marketer and leader, you possess a knack for being able to identify business and market needs, conduct research and build strategic plans, craft compelling messaging…
Added 1 day ago
Staff Marketing Manager, Accountant Growth Marketing
Intuit
Toronto, ON
Full-time
We’re seeking a hands-on, strategic marketer to help design and execute go-to-market plays that accelerate growth in Intuit’s Emerging Mid-Market segment through our valuable and…
Added 1 day ago
Staff Marketing Manager, Emerging Mid-Market
Intuit
Toronto, ON
Full-time
We’re seeking a hands-on, strategic marketer to help design and execute go-to-market plays that accelerate growth in Intuit’s Emerging Mid-Market segment.
Added 1 day ago
Events & Digital Marketing Specialist
OntarioMD
Toronto, ON
Full-time
Reporting to the Manager, Events, the Event & Digital Marketing Specialist is an experienced marketer who contributes to deliver marketing campaigns to support conferences, sponsorship,…
Added 1 day ago
Growth Marketing Manager
Startupfest
Canada
Full-time
…ecosystem in Montréal for prime investment opportunities, killer content, and networking that’s actually, well, fun. If you’re the right person to share our story with the world, we want to…
Added 4 days ago
Events, Marketing & Audience Engagement Coordinator
Newcom Media Inc.
Toronto, ON · Etobicoke, ON
$60,000 to $70,000 CAD / year
Full-time
…portfolio of B2B events. If you are a passionate B2B event marketer that excels at strategic communication, authentic connection and delivering measurable ROI, we invite you to bring your…
Added 4 days ago
Manager, Regional Marketing
123Dentist
London, ON · Toronto, ON
$80,000 to $100,000 CAD / year
Full-time
This role sits at the intersection of strategy and execution, requiring a hands-on marketer who can translate business goals into effective local campaigns while maintaining alignment with…
Added 4 days ago
Marketing Senior Advisor, Industries
KPMG
Montreal, QC
Full-time
This is an excellent opportunity for a strong, motivated marketer who enjoys variety, thrives in a fast-paced environment, and is eager to learn.
Added 4 days ago
PROJECT COORDINATOR | Sales & Operations
Long Life Windows and Doors
Vancouver, BC
Full-time
You do not need to be a professional marketer or content creator. Strong organization, communication and project coordination skills are much more important to us.
Added 4 days ago
Marketing Director
Evlv
Montreal, QC · Greater Montreal Metropolitan Area
$140,000 to $175,000 CAD / year
Full-time
…is a high-impact leadership opportunity for a sophisticated marketer who understands how to transform exceptional products into a compelling brand…
Added 5 days ago
Partner Solution Marketing Manager
Entrust
ON · Canada - Ontario Field
Full-time
Entrust is seeking a Partner Product Marketing Manager to develop partner-specific messaging, content, and enablement that help turn strategic relationships into scalable go-to-market…
Added 7 days ago
Senior Marketing Program Specialist
Expedia Group
Vancouver, BC · Canada - British Columbia - Vancouver
Full-time
You are a commercially minded, customer-focused marketer with experience supporting or leading marketing within a large-scale retail, franchise, partner, or distributed sales network. You…
Added 5 days ago
Marketing Coordinator
RECRUITMENT PARTNERS INC.
Calgary, AB
Full-time
…strategies. The ideal candidate is an organized, proactive marketer with strong project management, communication, and collaboration skills, capable of managing multiple priorities and…

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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