Senior Machine Learning Engineer (AI Foundations)

As a Capital One Machine Learning Engineer (MLE) youll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. Youll participate in the detailed technical design development and implementation of machine learning applications using existing and emerging technology platforms. Youll focus on machine learning architectural design develop and review model and application code and ensure high availability and performance of our machine learning applications. Youll have the opportunity to continuously learn and apply the latest innovations and best practices in machine learning engineering.

Capital One is accelerating the adoption of state of the art AI research to create simpler safer banking experiences for over 100 million customers. The AI Foundations team spearheads this mission by developing advanced LLMs and autonomous agentic systems capable of complex reasoning and real world problem solving. Their comprehensive research framework prioritizes foundational model architecture operational efficiency and responsible AI practices to ensure all systems are trustworthy and scalable.

What Youll Do:

The MLE role overlaps with many disciplines such as Ops Modeling and Data this role youll be expected to perform many ML engineering activities including one or more of the following:

• Design build and/or deliver ML models and components that solve real-world business problems while working in collaboration with the Product and Data Science teams

• Inform your ML infrastructure decisions using your understanding of ML modeling techniques and issues including choice of model data and feature selection model training hyperparameter tuning dimensionality bias/variance and validation)

• Solve complex problems by writing and testing application code developing and validating ML models and automating tests and deployment

• Collaborate as part of a cross-functional Agile team to create and enhance software that enables state-of-the-art big data and ML applications

• Retrain maintain and monitor models in production

• Leverage or build cloud-based architectures technologies and/or platforms to deliver optimized ML models at scale.

• Construct optimized data pipelines to feed ML models

• Leverage continuous integration and continuous deployment best practices including test automation and monitoring to ensure successful deployment of ML models and application code

• Ensure all code is well-managed to reduce vulnerabilities models are well-governed from a risk perspective and the ML follows best practices in Responsible and Explainable AI

• Use programming languages like Python Scala or Java

Basic Qualifications:

• Bachelors Degree

• At least 4 years of experience programming with Python Scala or Java (Internship experience does not apply)

• At least 3 years of experience designing and building data-intensive solutions using distributed computing

• At least 2 years of on-the-job experience with an industry recognized ML frameworks (scikit-learn PyTorch Dask Spark or TensorFlow)

• At least 1 year of experience productionizing monitoring and maintaining models

Preferred Qualifications:

• 1 years of experience building scaling and optimizing ML systems

• 1 years of experience with data gathering and preparation for ML models

• 2 years of experience developing performant resilient and maintainable code

• Experience developing and deploying ML solutions in a public cloud such as AWS Azure or Google Cloud Platform

• Masters or doctoral degree in computer science electrical engineering mathematics or a similar field

• 3 years of experience with distributed file systems or multi-node database paradigms

• Contributed to open source ML software

• Authored/co-authored a paper on a ML technique model or proof of concept

• 3 years of experience building production-ready data pipelines that feed ML models

• Experience designing implementing and scaling complex data pipelines for ML models and evaluating their performance

• Experience leveraging interactive AI tooling to accelerate productivity utilizing capabilities beyond basic code completion

At this time Capital One will not sponsor a new applicant for employment authorization or offer any immigration related support for this position (i.e. H1B F-1 OPT F-1 STEM OPT F-1 CPT J-1 TN E-2 E-3 L-1 and O-1 or any EADs or other forms of work authorization that require immigration support from an employer).

The minimum and maximum full-time annual salaries for this role are listed below by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

Candidates hired to work in other locations will be subject to the pay range associated with that location and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidates offer letter.

Capital One offers a comprehensive competitive and inclusive set of health financial and other benefits that support your total well-being. Learn more at theCapital One Careers website. Eligibility varies based on full or part-time status exempt or non-exempt status and management level.

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Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).