Senior Machine Learning Engineer, Growth

HelloFresh; Toronto; Hybrid; CAD 170,000 - 190,000; Full time

Benefits offered by this job

Box discounts

Health & dental benefits

Generous vacation & PTO

Parental leave top-up

Career development

Team social events

DEI initiatives

Fun office culture

Job summary

HelloFresh Canada in Toronto, ON is seeking a Senior Machine Learning Engineer to architect and deploy scalable ML infrastructure for our growth systems. You will transition prototypes into production microservices, deliver low-latency data pipelines, and drive AI-driven marketing optimizations at global scale.

Join a cross-functional team that values bold thinking, fast execution, and ownership. The role offers a flexible hybrid work model with competitive compensation and comprehensive

Qualifications

• Experience leading end-to-end lifecycle of production ML systems.
• Expertise with cloud ecosystems (AWS/GCP/Azure) for ML infra.
• Proficiency with PyTorch, TensorFlow and HuggingFace.
• Strong Python and PySpark programming skills.
• Advanced degree in CS or a related field with ML production track record.
• Experience building robust data architectures for diverse data formats.
• Bias for action and ownership; readiness to adopt Gen AI tools.

Responsibilities

• Build robust integration layers for visual AI pipelines powering predictive models.
• Transition PoC models into production microservices and LLM-based orchestration.
• Engineer high-throughput, low-latency data pipelines to external platforms.
• Collaborate with data scientists and engineers to improve value forecasting.
• Establish CI/CD, feature stores, and drift detection for reliability.
• All other duties, as assigned

Skills

End-to-end ML systems

Production deployment

Cloud: AWS/GCP/Azure

PyTorch/TensorFlow/HuggingFace

Python

PySpark

ML data architectures

Gen AI tools

Education

BS/MS in CS or related field

Job description

We are seeking a Senior Machine Learning Engineer to join the Growth Tech Alliance. In this role, you will architect and deploy the robust infrastructure behind our intelligent marketing systems. You will be responsible for maturing algorithmic prototypes into high-performance production systems, ensuring our AI-driven marketing optimization is served reliably and autonomously at a global scale.

S'more About The Team

We are hiring a Senior Machine Learning Engineer to take our AI tooling to the next level by architecting and deploying the robust infrastructure behind our intelligent marketing optimization systems. You will provide critical engineering execution for our AI initiatives. You will develop scalable microservices for predictive scoring, orchestrate complex LLM-based agents for creative intelligence. As the ML engineering expert for the team, you will drive the maturation of algorithmic prototypes into high-performance production systems with maximum Speed & Agility, shaping the future of how HelloFresh automates marketing at an unprecedented scale.

Lettuce Share What This Role Will Be Responsible For

• Build robust integration layers for visual AI pipelines that process multi-modal embeddings that power various predictive models.
• Transition proof-of-concept models into resilient production microservices and architect LLM-based orchestration frameworks.
• Engineer high-throughput, low-latency data pipelines to process 1P data and pipeline signals into external platforms like Meta and Google.
• Collaborate with data scientists and other engineers in a cross-functional team to improve HelloFresh’s value forecasting efficiency.
• Establish CI/CD processes, feature stores, and drift detection to ensure continuous delivery and model reliability.
• All other duties, as assigned

Sound a-peeling? Here's what we're looking for

• Experience leading the end-to-end lifecycle of production ML systems, from architectural design to scalable deployment and monitoring.
• Expertise in leveraging hyperscaler ecosystems (AWS, GCP, Azure) to build cost-effective, resilient, and automated ML infrastructure.
• Deep technical proficiency with modern ML frameworks (PyTorch, TensorFlow, HuggingFace)
• Expert programming skills in Python and PySpark.
• A BS/MS in Computer Science or a related engineering field, coupled with a proven track record of bringing ML systems from prototype to high-traffic production.
• Proven experience engineering robust data architectures that reliably process and combine diverse data formats, ranging from structured offline conversion data to unstructured multimedia assets.
• A demonstrated bias for action and extreme ownership, eager to adopt Gen AI tools to creatively solve architectural challenges and enhance engineering velocity.

Let’s cut to the cheese, this is why you'll love it here

• Box Discount - Amazing discounts on 1 box per week! 75% discount on weekly HelloFresh and Chefs Plate meal kits AND 50% off weekly Factor meal box.
• Health & Wellness - Health & Dental benefits from day 1, a Health Spending Account, unlimited access to the Headspace app to meet your self-care needs, and 25% discount on GoodLife fitness memberships!
• Vacation & PTO - Time off is also an important part of self-care! We offer generous vacation and PTO to help you create a good work-life balance.
• Family Benefits - A parental leave top-up program for expectant parents.
• Growth & Development - We support your career progression and invest in your continued learning through experiences and initiatives owned by our dedicated L&D team
• Work Hard & Have Fun - From team socials to engaging company days, you’ll have plenty of opportunity to experience the fun!
• Diversity & Inclusion Initiatives - With impactful ERG’s like FreshPride, Women Empowered and LIMES, we are committed to our diversity, equity & inclusion efforts.
• Food Puns - this one is kind of a big dill if you haven’t already noticed. We even have some punny meeting room names!

Flexible Hybrid Approach

At HelloFresh, we know that flexible work arrangements are essential in enabling you to do your best work, while balancing your personal and life needs. Offering remote work flexibility, along with the opportunity to interact and collaborate in the office are all a part of creating a great employee experience.

To meet these needs, we are pleased to provide Flexible Hybrid work. Flexible Hybrid is a people-first approach that is based on choice, trust, personalization, and empowers teams to choose when and how often they work from the office and work from home, in addition to team days and company days. This means a minimum of 2 days in office per week, with most teams in office between 2-3 days a week.

Engineering

HelloFresh Canada uses AI-integrated technology to help us process and evaluate applications more efficiently. This includes tools that screen and assess candidate qualifications based on the requirements for this role. While these tools assist our workflow, all final selection decisions are made by our hiring team.

This is a posting for an existing vacancy. We are actively seeking to fill this position.

Toronto, ON Pay Range

$170,000—$190,000 CAD