Senior Machine Learning Engineer

Stay22; Montreal; Hybrid; CAD 100,000 - 130,000; Full time

Job summary

Join a leading company as a Senior Machine Learning Engineer, where you'll leverage cutting-edge technologies to develop scalable ML solutions that transform the travel media industry. Collaborate with diverse teams to innovate and enhance user experiences while enjoying a vibrant office culture in Montreal. Embrace a flexible work environment and comprehensive benefits as you lead impactful ML projects.

Benefits

Health & Dental Benefits

Retirement Plans

Learning & Development Opportunities

Social & Team-Building Activities

Pup-Friendly Office

Qualifications

• 6+ years of experience in Machine Learning, Data Science, or related field.
• Strong expertise in developing ML models for tabular data predictions.
• Hands-on experience deploying machine learning models in production.

Responsibilities

• Lead the development and deployment of machine learning models.
• Collaborate closely with engineering and product teams.
• Spearhead ML projects end-to-end, from conception through deployment.

Skills

Machine Learning

Deep Learning

Python

Data Science

Statistical Analysis

NLP

SQL

Education

M.S. in Computer Science

Tools

TensorFlow

PyTorch

scikit-learn

Google Vertex AI

Amazon SageMaker

pandas

matplotlib

Job description

Job Description

Job Title : Senior Machine Learning Engineer, Engine Squad

Location : Montreal - Hybrid (1-2 days at the office per week)

About Stay22

At Stay22, we’re on a mission to revolutionize the travel media industry. Using cutting-edge AI-powered solutions, we empower travel media companies and content creators to unlock fresh revenue streams and seamlessly monetize their platforms. With us, you’re not just enhancing your income—you’re elevating travel experiences for your audience. Join our vibrant team and be part of a journey that’s making travel media more rewarding for everyone.

Position overview

At Stay22, we are pioneering the future of travel and content monetization with Machine Learning and Artificial Intelligence. We’re on a mission to help content creators turn their influence into a powerful business, and we need a Senior Machine / Deep Learning Engineer to lead the charge. In this role, you’ll leverage cutting-edge technologies, build scalable ML solutions, and collaborate with teams across Stay22 to deliver insights and innovations that change how the world travels. This is not just a job - it's an opportunity to shape the future of travel technology!

Key responsibilities

Lead the development and deployment of machine learning models for forecasting and prediction based on tabular data

Harness the power of LLMs to enhance predictions and unlock new features for Stay22 products

Apply statistical analysis and data science methodologies to derive actionable insights from large datasets, always keeping an eye on optimizing user experiences and driving growth toward our key metrics.

Spearhead ML projects end-to-end, from conception through deployment, always exploring new technologies to stay ahead of the curve

Collaborate closely with engineering, product, and business teams to integrate machine learning solutions seamlessly into our ecosystem, ensuring that every ML initiative drives real business value

Contribute to building onboarding tools and infrastructure to make ML resources accessible across the organization, fostering a culture of innovation

Focus on creating low-maintenance, production-ready ML solutions, balancing the needs of scalability, maintainability, and rapid deployment

Requirements

M.S. in Computer Science, Machine Learning, Data Mining, Statistics, or related technical field

6+ years of experience in Machine Learning, Data Science, or a related field, with at least 2 years in both deep learning and software engineering

Strong expertise in developing ML models for tabular data predictions, with proficiency in Python and libraries like TensorFlow, PyTorch, and scikit-learn

Strong Math skills, Python numerical libraries and SQL

In-depth knowledge of NLP, LLMs, Transformers, and modern ML techniques like CNNs, LSTMs / RNNs, and gradient boosting

Experience with platforms such as Google Vertex AI and Amazon SageMaker for training, deploying, and managing models at scale

Proven ability to implement and fine-tune LLMs, including expertise in custom embeddings, transformers, and fine-tuning techniques like LoRA

Strong data science background, including statistical analysis, data cleaning, and visualization with tools like pandas, matplotlib

Hands-on experience deploying machine learning models in production, collaborating with cross-functional teams, and ensuring seamless integration into broader product ecosystems

Passion for staying up-to-date with the latest in ML / DL and AI technologies and integrating them into real-world applications

Why join Stay22?

Support Travel Creators : Be part of a team that empowers travel creators to explore the world by increasing their passive income potential.

Empower Your Growth : We hire champions and give them the opportunity to excel, skipping levels and honing their superpowers.

Lead with Impact : We empower our team members to take charge and make a real impact in the Stay22 universe.

Location, Location, Location : Enjoy our bright and vibrant office in the heart of Montreal’s Plateau Mont-Royal, surrounded by the best shops and restaurants.

BYOD - Bring your own dog : our office is pup-friendly. Whether it's a quick belly rub or a midday walk, your furry sidekick is welcome here.

Be Yourself : Embrace a come-as-you-are dress code and a flexible work schedule.

Comprehensive Benefits : We offer health & dental benefits, retirement plans, learning & development opportunities, and social & team-building activities, including exciting retreats.

Stay22 is an equal opportunity employer. All qualified applicants are given consideration. If you have a disability or particular need that requires accommodation, please contact us at careers at stay22.com)