Senior Machine Learning Engineer - AI Infrastructure

Job Description

Job Summary :

As a Senior Machine Learning Engineer, you will play a pivotal role in driving the development, deployment, and scaling of machine learning models and systems. You will be involved in complex machine learning initiatives, mentor junior and intermediate engineers, and collaborate closely with engineering, product, and data science teams. With your deep expertise in ML engineering and a focus on best practices, you'll ensure that our solutions are robust, scalable, and aligned with business goals. You will also drive improvements in deployment practices, including API integration, CI/CD pipelines, and container orchestration using modern technologies.

Job Responsibilities :

• Develops software that processes, stores and serves data and machine learning models for use by others.
• Develops large scale data structures and pipelines to organize, collect and standardize data that helps generate insights and intelligence to support business needs.
• Writes ETL (Extract / Transform / Load) or ELT processes, designs data stores and develops tools for real-time and offline analytic processing on premise or on cloud infrastructure.
• Develops and maintains optimal data pipelines into the ML and advanced analytics platform, including design of data flows, procedures, and schedules. Ensures that optimal data pipelines are scalable, repeatable and secure.
• Troubleshoots software and processes for data consistency and integrity. Integrates data from a variety of sources, assuring that they adhere to data quality and accessibility standards.
• Anticipates and prevents problems and roadblocks before they occur.
• Interacts with internal and external peers and managers to exchange complex information related to areas of specialization.
• Collaborates with AI/ML scientists and data scientists to prepare data for model development, and to deploy models to production.

About Walgreens

Founded in 1901, Walgreens ( has a storied heritage of caring for communities for generations, and proudly serves nearly 9 million customers and patients each day across its approximately 8,500 stores throughout the U.S. and Puerto Rico, and leading omni-channel platforms. Walgreens has approximately 220,000 team members, including nearly 90,000 healthcare service providers, and is committed to being the first choice for retail pharmacy and health services, building trusted relationships that create healthier futures for customers, patients, team members and communities.
Walgreens is the flagship U.S. brand of Walgreens Boots Alliance, Inc. (Nasdaq: WBA), an integrated healthcare, pharmacy and retail leader. Its retail locations are a critical point of access and convenience in thousands of communities, with Walgreens pharmacists playing a greater role as part of the healthcare system and patients' care teams than ever before. Walgreens Specialty Pharmacy provides critical care and pharmacy services to millions of patients with rare disease states and complex, chronic conditions.

External Basic Qualifications

• Bachelor's degree and at least 4 years of experience in machine learning, software engineering, or data engineering
• Deep knowledge of SQL
• Significant experience programming in one or more of the following: Python, C, C++, Spark, Scala, and/or Java
• Experience establishing and maintaining key relationships with internal (peers, business partners and leadership) and external (business community, clients and vendors) within a matrix organization to ensure quality standards for service.
• Experience diagnosing, isolating, and resolving complex business issues and recommending and implementing strategies to resolve problems.
• Experience presenting to all levels of an organization
• At least 2 years of experience contributing to financial decisions in the workplace
• At least 2 years of direct leadership, indirect leadership and/or cross-functional team leadership
• Willing to travel up to 10% of the time for business purposes (within state and out of state).

Preferred Qualifications

• Graduate degree in a technical discipline and at least 2 years of experience in machine learning, software engineering, or data engineering.
• Strong experience designing and implementing monitoring and alerting systems for cloud-based applications, including log management and analysis tools (e.g., ELK stack, Splunk).
• Experience with cloud platforms (AWS, Azure, Google Cloud Platform) and their AI/ML services, as well as deploying ML models at scale in production using open-source tools (e.g., Kubeflow, Seldon).
• Proficiency in CI/CD practices for AI/ML model development and deployment, with experience using tools such as Azure DevOps, Tekton, or GitHub Actions.
• Experience with Infrastructure as Code (IaC) tools, particularly Terraform.
• Familiarity with DAG-based workflow orchestration systems (e.g., Airflow, Prefect) and data processing pipelines using Apache Spark or Databricks.
• Experience working with ML registries (e.g., MLFlow) and deploying event-driven or reactive ML applications.
• Strong background in deploying and maintaining ML systems for both batch and streaming data.
• Expertise in troubleshooting distributed systems, optimizing performance, and reducing costs in cloud environments.
• Proficient in writing and deploying production-grade Python applications and libraries.
• Experience with REST API development and configuring Kubernetes in multi-tenant environments.

We will consider employment of qualified applicants with arrest and conviction records.
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