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Added 31 mins ago
Senior Staff Cloud Security Engineer | Operational Technology | Office of CISO
ServiceNow
AB · Alberta, CANADA
Full-time
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 45 mins ago
Staff Software Engineer
BlueCat
Toronto, ON · Greater Toronto Area, Canada
Full-time
We're looking for a systems engineer to build and operate high-throughput, low-latency network infrastructure written in Rust. You'll work on the core data plane of a production DNS…
Added 45 mins ago
Manufacturing Engineer
Modern Technical Staffing Inc.
Vaughan, ON
$80,000 to $100,000 CAD / year
Full-time
Our client in Vaughan is looking for a Manufacturing Engineer. They are seeking someone who has been employed with a tier 1 or tier 2 automotive manufacturing company as a Manufacturing or…
Added 2 hours ago
QA Engineer
Ontinue
Toronto, ON
Full-time
We’re looking for a QA Automation Engineer to help us scale quality across a fast-moving engineering team. This role is about building the automation, processes, and release confidence that…
Added 3 hours ago
Senior Data Engineer - Palantir Foundry (Hybrid, Canada)
Unit8 SA
Remote, Canada
Full-time · Remote
…expanding into the Canadian market. We are seeking a Senior Data Engineer who will work directly with customers, owning delivery strategy and…
Added 3 hours ago
Data Engineering, Cloud Migration & Platforms Engineer
General Motors
Markham, ON
Full-time
As a Data Engineering, Cloud Migration & Platforms Engineer, you will design, build, migrate, automate, and support data platforms and pipelines across on-premises and cloud environments.…
Added 3 hours ago
Manager, Software Engineering
AltaML
Toronto, ON
Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't.
Added 3 hours ago
Senior Data Engineer - Palantir Foundry (Hybrid, Canada)
Unit8
Montreal, QC
Full-time
…expanding into the Canadian market. We are seeking a Senior Data Engineer who will work directly with customers, owning delivery strategy and…
Added 3 hours ago
Full-Stack Web Engineer
White Widget
MB · Back, MB
Full-time
Each engineer in White Widget takes responsibility over their code and projects. We endeavor to create code that’s clean with legibility, reusability, testability, and maintainability in…
Added 3 hours ago
AI / Data Engineer
White Widget
MB · Back, MB
Full-time
Each engineer in White Widget takes responsibility over their code and projects. We endeavor to create code that’s clean with legibility, reusability, testability, and maintainability in…
Added 4 hours ago
Senior Frontend Engineer, Conversions (f/m/x)
HelloFresh
Toronto, ON
As a Frontend Engineer in Conversions, you will build personalized web experiences that help users find the right path through our funnels. You will focus on tailoring our user journeys…
Added 4 hours ago
Airworthiness Coordinator
Actalent
Fort Erie, ON
Contract
Job Title: Certification Engineer Airworthiness and ComplianceJob Description
Added 5 hours ago
Engineering Manager, Software
General Dynamics Missions System International
Dartmouth, NS · Ottawa, Ontario
$122,000 to $155,000 CAD / year
Full-time
…security requirements in order to gain access to technical data, classified areas or information that is subject to international regulations. You must be eligible to work in…
Added 6 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
Our mission is to provide real-time on-orbit connectivity for critical missions, enabling a new era of data-driven intelligence and innovation. With 33 satellites launched to date, Kepler…
Added 6 hours ago
Software Engineer - Open Data Platform (ODP)
Acceldata
Kitchener, ON
$70,000 to $100,000 CAD / year
Full-time
We are seeking a Software Engineer with at least 3 years of experience in distributed systems or data platform development. In this role, you will design, build, and scale components of the…
Added 6 hours ago
Solution Architect / Sales Engineer
TRSB Inc.
Montreal, QC
Full-time
4+ years in a Solutions Architect, Sales Engineer, or technical pre-sales role, ideally at a B2B SaaS or AI/ML company selling into regulated or enterprise markets.
Added 6 hours ago
Intermediate Software Engineer
AltaML
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't
Added 6 hours ago
Factory Test Infrastructure Engineer
Ecolab Inc.
Calgary, AB
Full-time
CoolIT, An Ecolab Company, the leading Direct Liquid Cooling technology provider for data centers, supercomputers, and desktop computers is looking for a Factory Test Infrastructure…
Added 6 hours ago
Mechanical Engineering Developer
General Dynamics Missions System International
Ottawa, ON
Full-time
We're looking for a Mechanical Engineer to support the development of mechanical designs and engineering systems across various products and programs within the organization.
Added 6 hours ago
Senior Project Engineer - Systems Engineer
General Dynamics Missions System International
Ottawa, ON
Full-time
…engineers toward success? We are currently looking for a Project Engineer with technical leadership skills to play a driving force behind the introduction of new cutting-edge projects.…
Added 6 hours ago
Cybersecurity System Engineering, Air & Naval
General Dynamics Missions System International
Ottawa, ON
Full-time
General Dynamics Mission Systems–Canada has an opportunity for a new Cybersecurity Engineer to join our Air & Naval division. Our team is growing and looking for additional team members to…
Added 7 hours ago
Senior AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
Full-time
Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 7 hours ago
Lead AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
Full-time
Corporate IT is seeking an experienced Lead AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 7 hours ago
Site Reliability Engineer
Raydar
Remote, Canada
Full-time · Remote
As Site Reliability Engineer, you will build and operate the platform that helps engineering teams deliver reliable AI products at scale. You will own critical infrastructure domains across…
Added 7 hours ago
Lead Mechanical Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
Full-time
…outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design…

Jobber

Staff Data Scientist, Applied ML

Kitchener, ON, Canada

Pay: This role has a minimum annual salary of $145,900 CAD, a midpoint of $171,600 CAD and a maximum salary of $197,400 CAD designed to reflect the progression from learning the ropes to truly excelling.
Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

Apply About employer

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Original job description

Are you a Machine Learning practitioner who is technically deep and commercially sharp?

If so, this might be the role for you! We're looking for a Staff Data Scientist, Applied Machine Learning (ML) to join our growing Data Science team.

Jobber exists to help people in small businesses be successful. We work with small home service businesses, like your local plumbers, painters, and landscapers, to transform the way service is delivered through technology. With Jobber they can quote, schedule, invoice, and collect payments from their customers, while providing an easy and professional customer experience. Running a small business today isn't like it used to be - the way we consume and deliver service is changing rapidly, technology is evolving, and customers expect more. That's why we put the power and flexibility in their hands to run their businesses how, where, and when they want!

Our culture of transparency, inclusivity, collaboration, and innovation has been recognized by Great Place to Work, Canada's Most Admired Corporate Cultures, and more. Jobber has also been named on the Globe and Mail's Canada's Top Growing Companies list, and Deloitte Canada's Technology Fast 50™, Enterprise Fast 15, and Technology Fast 500™ lists. With an Executive team that has over thirty years of industry experience of leading the way, we've come a long way from our first customer in 2011 - but we've just scratched the surface of what we want to accomplish for our customers.

We help employees grow professionally; we have a ton of onboarding resources, tutorials, hackathons and buddies to support learnings and provide opportunities to innovate. We have a range of experience levels on teams which allows for mentor/mentee opportunities. Leaders at Jobber work with empathy and support employees to build healthy work-life harmony. Bring your dedication and passion to this job to fulfill your goals.

The team:

Similar to how Jobber empowers small businesses with the tools and insights they need to succeed, the Strategy and Analytics Department ensures our people at Jobber have the tooling, data insights, and strategic direction to excel in our shared mission. We turn data into actionable insights, and critical business needs into impactful software, working with multiple teams and departments across the company. Strategy & Analytics serves as a central hub that drives business outcomes in all corners of Jobber's ecosystem.

Within that department, Data Science is the predictive and prescriptive arm. We're a small, hungry team with an outsized footprint. We work in two-week sprints, demo to the whole department, and expect each other to bring a point of view rather than a ticket.

SignalGraph is our next major project: a company-wide metric graph that connects organizational activity and outcomes so teams can trace metric movement to root causes, investigate faster, and make better decisions.

The role:

Reporting to the Manager, Data Science, the Staff Data Scientist, Applied Machine Learning will own models and systems for automated decisioning. You will train and evaluate models using techniques such as graph representation learning, transformer architectures, and ranking, and engineer them to serve reliably in real time and at scale inside Jobber's product.

This is a senior individual contributor role with strong architectural scope. You'll be the person who decides how ML systems at Jobber are built, evaluated, and trusted and you'll be doing it against a dataset most companies our size don't have: high-velocity SaaS event data, scheduling data, and payments data across hundreds of thousands of service professionals and millions of their clients, plus a rich body of unstructured sales and support text.

The Staff Data Scientist, Applied Machine Learning will:

Continue building, improving, and maintaining SignalGraph: evolve metric-family contracts, keep segment and causal-edge catalogs trustworthy, operate the Neo4j and series-refresh pipeline, and strengthen investigation diagnostics so teams can trace metric changes to root causes and make faster decisions from governed evidence..
Design, build, and evaluate retrieval-augmented generation (RAG) systems on top of that graph. You’ll own retrieval quality, context management, and the evaluation harness that proves the system is actually right, not just fluent.
Own production ML end-to-end: training pipelines, real-time serving, monitoring, drift detection, and retraining. When a model is live, its uptime, latency, and accuracy are yours.
Establish systematic evaluation and regression testing as a standard for the team - so model and LLM system quality is measured and defended over time rather than assessed once at launch.
Set the technical bar and multiply the team: drive MLOps and ML engineering standards, shape our feature store and platform roadmap, review peers' work, and mentor other scientists on graph and deep learning methods.
Partner directly with senior leadership. Much of what you build will be used by Senior Leaders, Customer Analytics, Business Intelligence, and Product to make decisions against Jobber's North Star goals. You'll present your own work, defend your assumptions, and help cross-functional partners reframe how they approach a problem.
Stay current, and bring it back. We expect this role to be the most informed person at Jobber on developments in AI/ML methodologically, not just as a consumer of tools, and to translate that into shipped capability.

To be successful, you should have:

Production ML experience, end-to-end. You've trained, deployed, served, and maintained models that acted on real users (not just scored offline) You've learned the hard lessons about retraining, drift, and technical debt that come with it.
A strong statistics foundation. You can reason about bias and variance, justify a loss function, and tell signal from noise without hand-waving.
Expert SQL and production-grade Python skills.
Depth in modern ML methods: Deep learning and neural architectures, transformers/BERT-family models, RNN/CNN, ranking, and representation learning, with hands-on experience applying LLMs in production systems, including RAG and context management.
Experience designing for the real cost of being wrong. You've built or tuned custom and asymmetric loss functions where a miss in one direction is far more expensive than the other, and you can explain the business reasoning behind the choice.
Experience with large data in production environments and the platforms that support it. ML/AI platforms such as Snowflake, orchestration with Apache Airflow, and cloud infrastructure (AWS strongly preferred; GCP or Azure equivalent considered).
Strong communication and stakeholder alignment skills. This team's work only lands if everyone shares the same understanding of what the data means. You can take a room of technical and non-technical partners from confusion to alignment, present uncertainty honestly, and influence without authority.
Ownership of quality over shipping speed alone. You want to know why something works and how to make it better. You don't accept a model's current performance as its ceiling, and you don't outsource your understanding of your own code to an AI assistant.

It would be nice if you had:

Graph experience: Graph theory, graph neural networks, knowledge graphs, or graph databases such as Neo4j. Rare, and the single most valuable thing you could bring to this role.
A software engineering background: Services and model serving (REST/gRPC), Docker/Kubernetes, CI/CD, feature stores.
Experience with Snowflake, including Snowpark and Snowpark Container Services, or a comparable path from warehouse to deployed model.
Experience building LLM evaluation infrastructure, safety layers, or LLMOps for customer-facing AI.
Exposure to risk, fraud, or fintech modelling, or to recommendation and ranking systems at scale.

Compensation:

At Jobber, we also believe that compensation should be transparent, fair, and supportive of your experience and growth. This role has a minimum annual salary of $145,900 CAD, a midpoint of $171,600 CAD and a maximum salary of $197,400 CAD designed to reflect the progression from learning the ropes to truly excelling.

We design our compensation to reflect each new hire's skills, experience, and the complexity of the role, ensuring a fair and competitive salary.

Our range is intentionally broad to support growth and long-term impact, with fully established hires typically starting around the midpoint. The higher end of the range is reserved for those who have demonstrated deep expertise and lasting contributions, while offers below the midpoint reflect strong potential with room to develop. This approach ensures that compensation aligns with both an individual's current capabilities and their opportunity for future growth.

Base salary is just one part of a total compensation package that will include equity rewards, annual stipends for health and wellness, retirement savings matching, and an extended health package with fully paid premiums for body and mind. Your professional growth matters to us too! You'll have access to a dedicated talent development program that includes career coaching and opportunities for career development.

We believe in transparency and open conversations about compensation. If you have any questions about our approach, we're happy to discuss them throughout the hiring process!

What you can expect from Jobber:

A total compensation package that includes an extended health benefits package with fully paid premiums for both body and mind, matching in RRSP, TFSA or FHSA, and stock options.
A dedicated Talent Development team and access to coaching, learning, and leadership programs to help you grow your career, reach your goals, and unlock your full potential.
A unique opportunity to build, grow, and leave your impact on a $400-billion industry that has no dominant player...yet.
To work with a group of people who are humble, supportive, and give a sh*t about our customers.

We believe that diverse teams perform better and that fostering an inclusive work environment is a key part of growing a successful team. We welcome people of diverse backgrounds, experiences, and perspectives. We are an equal opportunity employer, and we are committed to working with applicants requesting accommodation at any stage of the hiring process.

A bit more about us:

Job by job, we’re transforming the way service is delivered. Your lawn care provider, home cleaning service, plumber or painter could use Jobber to better connect with their customers, save time in the office, invoice faster, and get paid! We’re bringing tens of thousands of people together with technology to deliver billions of dollars a year in services to happy customers. Jobber exists to help make these small businesses successful, and when they’re successful we all win!

Apply About employer

More about this job

Responsibilities

Own and improve SignalGraph and build graph-based retrieval-augmented generation systems, including retrieval quality, context management, and evaluation. Lead production machine learning end to end, establish quality and engineering standards, mentor scientists, and partner with senior leaders and cross-functional teams to deliver reliable, actionable systems.

Requirements

Requires end-to-end experience training, deploying, serving, and maintaining production models; strong statistical reasoning; expert SQL and production-grade Python; and hands-on expertise in modern deep learning, ranking, representation learning, and production LLM systems. Candidates should also have experience with large-scale data platforms and cloud infrastructure, strong communication and ownership skills, and the ability to evaluate model quality and manage drift and retraining.

Skills

Production Machine Learning
Statistical Analysis
SQL
Python
Deep Learning
Transformer Architectures
Ranking Systems
Representation Learning
Large Language Models
Retrieval-Augmented Generation
MLOps
Model Evaluation
Graph Machine Learning
Real-Time Model Serving
Stakeholder Communication
Mentoring

Benefits

Equity Rewards
Health And Wellness Stipends
Retirement Savings Matching
Extended Health Benefits
Fully Paid Health Premiums
Stock Options
Career Coaching
Learning And Leadership Programs

Visa sponsorship

Not detected in the job text

Keywords

SignalGraph
Graph Representation Learning
Graph Neural Networks
Knowledge Graphs
Neo4j
Retrieval-Augmented Generation
Large Language Models
Transformers
BERT
RNN
CNN
Ranking
SQL
Python
Snowflake
Snowpark
Apache Airflow
AWS
GCP
Azure
MLOps
Feature Stores
Model Serving
REST
gRPC
Docker
Kubernetes
CI/CD
Drift Detection
LLMOps

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