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About the Role
Wiser Solutions is hiring a Senior ML Engineer to help build our customer-facing AI platform and get the first features into customers' hands. Our data runs at real scale, and the problems are concrete ones like product matching, classification, and attribute extraction. The right answer is often a mix of trained models, embeddings, retrieval, and LLMs, and cost per record matters as much as accuracy. We want someone who uses AI first, moves fast, and would rather show a working prototype than a slide deck. You'll own ML systems end to end, from idea to experiment to production, and keep improving them once they're live. You don't need to be a data engineer. You need to be the person who turns a customer problem into a model that works.
Responsibilities
- Take customer problems from idea to working prototype quickly, prove or kill an approach with data, and move what works into production
- Train, fine-tune, and evaluate models for matching, classification, and extraction problems, covering classical ML, embedding models, and LLMs
- Design and ship RAG systems, embedding-based retrieval, and LLM-powered features on AWS
- Own the full ML lifecycle: experiment tracking, model versioning, deployment, monitoring, and retraining
- Build evaluation that tells us whether something works: labeled golden sets, offline metrics, LLM-as-judge, and shadow or A/B testing before rollout
- Monitor models in production for drift, output quality, latency, and cost per prediction, and fix what you find
Requirements
- 7+ years in ML engineering, applied data science, or AI engineering
- A track record of shipping ML or AI systems to production and owning them after launch
- Hands-on experience training and evaluating models: feature engineering, experiment design, choosing metrics, handling class imbalance and noisy labels, and knowing when a model is good enough to ship
- Hands-on experience building production applications with LLMs, including RAG, embeddings, and vector databases
- Working knowledge of MLOps practices and tooling, such as MLflow, SageMaker Pipelines, Weights & Biases, or similar
- Experience with AWS for ML workloads (SageMaker, Bedrock, Lambda, ECS/EKS, S3)
- Strong Python and solid engineering habits: version control, testing, CI/CD, and code review
- A habit of building quickly to learn
- Daily use of AI coding assistants (Cursor, Claude Code, GitHub Copilot, or similar) and curiosity about new AI tools as they come out
- Experience with LLM fine-tuning, and a clear sense of when to fine-tune versus prompt engineer versus train a smaller task-specific model
- Experience keeping inference cost down at high volume through distillation, quantization, caching, or tiered model routing
- Background in retail, e-commerce, or product data (catalog matching, taxonomy mapping, attribute extraction)
- Experience with entity resolution or similarity search at scale
- Comfort working with data pipelines and orchestration tools like Airflow
Skills
- Machine Learning
- AI
- Product Matching
- Classification
- Attribute Extraction
- Embeddings
- Retrieval
- LLMs
- RAG
- AWS
- SageMaker
- Bedrock
- Lambda
- ECS/EKS
- S3
- Python
- MLOps
- MLflow
- Weights & Biases
- Vector Databases
- Fine-tuning
- Prompt Engineering
- Distillation
- Quantization
- Caching
- Tiered Model Routing
- Entity Resolution
- Similarity Search
- Data Pipelines
- Airflow
Location
- Remote
Work Type
- Remote
- Office environment
Experience Level
- Senior
- 7+ years
Salary/Compensations
- CAD $160-200k
Benefits
- Performance-based discretionary bonuses
- Variable pay plans
About the Company
- Wiser Solutions is a competitive intelligence platform that brands, retailers, and marketplace sellers use to win more sales online.
- Our products cover price intelligence, market intelligence, and MAP intelligence.
- They give customers real-time visibility into pricing, product availability, promotions, and reseller behavior across the digital shelf, along with the tools to act on it.
- Brands and retailers around the world rely on Wiser.
Equal Opportunity
- Wiser Solutions, LLC is an Equal Opportunity Employer and prohibits Discrimination, Harassment, and Retaliation of any kind.
- Wiser Solutions, LLC is committed to the principle of equal employment opportunity for all employees and applicants, providing a work environment free of discrimination, harassment, and retaliation.
- All employment decisions at Wiser Solutions, LLC are based on business needs, job requirements, and individual qualifications, without regard to race, color, religion, sex, national origin, family or parental status, disability, genetics, age, sexual orientation, veteran status, or any other status protected by the state, federal, or local law.
- Wiser Solutions, LLC will not tolerate discrimination, harassment, or retaliation based on any of these characteristics.
- Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.