Senior Applied AI Developer

Employment Type: Permanent

Job Description: Senior Applied AI Engineer - Montreal Only

What You'll Be Doing

You will design, deploy, and scale low-latency ML and LLM recommendation pipelines that feed real-time predictive data into core travel applications.

You will own the entire lifecycle of production models, from solution architecture to automated retraining, drift monitoring, and CI/CD pipelines in AWS and Kubernetes.

Our engineering workflows and delivery pipelines are built directly around cutting-edge AI infrastructure and automated observability systems to keep mission-critical products running smoothly.

Working alongside Product, Operations, and Engineering teams, you will turn complex commercial challenges into high-throughput, production-ready AI solutions.

The Stack

• Python
• Java
• SQL
• PySpark
• AWS (EKS, SageMaker, Bedrock, Agentcore, DynamoDB, Elasticache, Lambda, LoadBalancer, Glue, Kinesis, S3)
• Kubernetes
• Docker
• Snowflake
• SnowPark
• RedShift
• GrowthBook
• GitLab
• CI/CD
• Argo CD
• Splunk
• DataDog

What You Bring

You have a proven track record of productionizing, scaling, and monitoring machine learning models and LLM recommendation systems in low-latency, highly available environments.

You master general software engineering principles with Python and Java, building robust RESTful APIs, containerized services with Docker and Kubernetes, and native AWS infrastructure.

You own the entire ML lifecycle end-to-end, from data pipelines with SQL and PySpark to CI/CD, MLOps, model retraining, drift detection, and quality governance.

You've re-engineered software workflows around AI capability, building shared systems and MLOps standards that raise the engineering bar and help your teammates move faster without sacrificing reliability.

You are a self-driven problem solver and clear communicator who thrives in cross-functional settings, debugging complex issues independently and constantly digging into new tech.

Why Plusgrade Travel is about the moments that make a journey feel personal

At Plusgrade, we build the technology that makes those moments possible, from upgrade offers and loyalty experiences to revenue tools used by 575+ airline, hospitality, cruise, rail, and financial services partners worldwide. The work is global, complex, and rewarding. You will solve meaningful problems, take ownership from idea to outcome, and work alongside people who are smart, curious, and committed to doing great work. We also give our teams access to AI tools and the encouragement to use them thoughtfully, to move faster, explore ideas, and build better ways of working. We trust our teams to do their best work. That means autonomy, flexibility, and room to grow. Come help us shape the future of travel.

What You'll Love About Us

• RRSP Matching
• Comprehensive Health Plans
• Flexible Paid Time Off
• Travel Experience Perk
• Annual Wellness Perk
• Commuter Perk
• Tenure-Based Work From Anywhere Program
• Parental Leave Top Up
• Adventure Pass
• Learning Allowance

Our Process

We believe every candidate deserves a fair, transparent experience, so regardless of outcome, everyone gets feedback. Our process: Recruiter call → Hiring Manager interview → Final interview. Plusgrade is an equal-opportunity employer committed to accessible recruitment. We welcome applications from all qualified individuals regardless of gender identity or expression, race, ethnic origin, creed, place of origin, age, sex, marital status, physical or mental disability, sexual orientation, or any other category protected by law. Accommodation is available upon request. We may use AI-assisted tools to help screen and assess applicants for this role. This posting is for an existing vacancy. Plusgrade powers the global travel industry with its portfolio of leading ancillary revenue solutions. Over 575 airline, hospitality, cruise, passenger rail, and financial services companies trust Plusgrade to create new, meaningful revenue streams through incredible customer experiences. As an ancillary revenue powerhouse, Plusgrade has generated billions of dollars in new revenue opportunities across its platform for its partners, while creating enhanced travel experiences for millions of their passengers and guests. Plusgrade was founded in 2009 with headquarters in Montreal and offices around the world.