Python jobs in United States

At Loblaw Digital, we know that our customers expect the best from us. Whether that means building the best, most innovative online shopping experience, or designing an app that will impact the lives of people across the country, we’re up for the challenge. From our office in Downtown Toronto, we’ve created leading eCommerce experiences in the online grocery shopping, beauty, pharmacy, and apparel spaces, and we’re only just getting started.

Weare seeking a Staff Machine Learning Engineer to join our team, focusing on the design, development, deployment and testing of advanced AI systems and sophisticated search agents. This role involves leveraging ML and cutting-edge Agentic AI for building robust, enterprise-scale AI applications in the Retail and ecommerce vertical. You will be working on system designs and guiding developers cross-functionally besides the hands-on development work.

• Architectand build Agentic AI systems utilizing state of the art technologies and agentic patterns, like ReAct, MultiAgent, Hierarchical MultiAgent, to solve business problems.

• Ownthe tech stack and maintain the agentic ecosystem utilizing highly scalable, robust, and efficient cloud infrastructure using LangGraph and GCP services.

• Develophigh-performance enterprise-level Machine Learning models and AI agents using Python code within a microservices architecture, ensuring solutions are scalable, reliable, and maintainable.

• Championand lead best practices for MLE, MLOps and LLMOps cross functionally, including QA practices and full end-to-end testautomation.

• Collaborate,document and work closely with product team, senior leadership and other staff engineers at Loblaw Digital to drive Agentic AI solutions, source data/APIs, establish requirements, and define success metrics.

• Takeownership and drive of full end-to-end AI systems, mentor other machine learning developers, and contribute to raising the technical bar within the entire team.

• Customer-First Mindset – Passion for building AI products that make people’s lives easier and allow them to focus on what is important to them.

• Strong Collaboration – Excellent communication skills and ability to thrive in a cross-functional, collaborative, fast-paced environment.

• Problem-Solving Excellence – Analytical thinker who can identify, diagnose, and resolve complex technical challenges in production-ready ML pipelines.

• Automation-First Approach – You are always thinking about automation and are comfortable using AI for productivity.

• Adaptability & Innovation – Willingness to quickly learn new technologies, come up with PoCs, mentor others and continuously improve the system.

• Ownership & Initiative – Ability to take ownership of AI systems and track KPIs.

• Bachelor’s degree or equivalent in Computer Science or a related field along with a strong foundation in AI and Agentic systems, with more than 5 years of hands-on experience building scalable AI products.

• Software engineering proficiency in Python with AI Design Patterns, and 2+ years experience designing and supporting enterprise applications within a microservices architecture. Proven experience running and supporting ML workloads on the cloud (preferably GCP) with containerization and workflow orchestration in dev and production environments.

• Proven experience in LangChain ecosystem or other Agentic frameworks, NLP, LLMs, ReAct, Multi-Agent, MCP, A2A, RAGs and embedding models.

• Committed to code quality at every stage of the ML lifecycle, with experience designing and upholding CI/CD and end-to-end integration testing pipeline.

At Loblaw Digital, we seek great people to continually strengthen our culture. We believe great people model our values, are authentic, build trust and make connections.

We’re able to keep innovating because our colleagues are passionate about their work and excited about the future of eCommerce.

If you have big ideas, undeniable enthusiasm, and thrive in a collaborative, creative, and diverse group, we’ll get along just fine.

Looking for a challenge? Good. Love an innovative work environment? Even better.

Apply today.

Full time

Regular

Loblaw Digital recognizes Canada’s diversity as a source of national pride and strength. We have made it a priority to reflect our nation’s evolving diversity in the products we sell, the people we hire, and the culture we create in our organization. Accommodation is available upon request for applicants with disabilities in the recruitment and assessment process and when hired.

In addition, we believe that compliance with laws is about doing the right thing. Upholding the law is part of our Code of Conduct – it reinforces what our customers and stakeholders expect of us.

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