Senior Machine Learning Engineer

Senior Machine Learning Engineer

Join BILL’s AI Product Engineering team and help shape the future of intelligent financial automation. Your role focuses on designing, building, and deploying machine learning solutions that power next‑generation products, directly influencing company growth and user experience across millions of users.

• Design, develop, and deploy robust machine learning models to solve real‑world business challenges in the fintech domain.
• Collaborate cross‑functionally with product managers, engineers, and data scientists to translate business requirements into scalable ML solutions.
• Analyze complex data sets, identify patterns, and extract actionable insights to drive product innovation.
• Evaluate, optimize, and monitor model performance in production, ensuring reliability and accuracy over time.
• Contribute to the development and improvement of AI workflows, agentic evaluation and best practices within the team.
• Document methodologies, experiments, and results to ensure knowledge sharing and reproducibility.
• Mentor junior team members and share technical expertise to elevate team capabilities.

• Proven experience building and deploying machine learning models in production environments.
• Strong programming skills in Python and familiarity with ML frameworks such as Tensor Flow, PyTorch, or scikit‑learn.
• Previous experience with OCR extraction and NLP methodologies.
• Knowledge of AI agents and strong experience with LLMs.
• Ability to analyze and interpret large, complex data sets using statistical and data analysis techniques.
• Excellent communication and collaboration skills with a track record of working effectively in cross‑functional teams.
• A problem‑solving mindset and a passion for continuous learning and innovation.

Eligible for visa sponsorship. Applicants must have authorization to work in the United States without requiring visa sponsorship now or in the future.

Estimated base salary range: $145,700 – $174,800 USD. Eligible for the company’s bonus and equity plan.

• 100 % paid employee health, dental, and vision plans (choose HMO, PPO, or HDHP).
• HSA and FSA accounts.
• Life insurance, long‑term and short‑term disability coverage.
• Employee Assistance Program.
• 11+ observed holidays, wellness days, and flexible time off.
• Employee Stock Purchase Program with employee discounts.
• Wellness and fitness initiatives.
• Employee recognition and referral programs.
• And more.

BILL is an Equal Opportunity Employer. We believe our best ideas come from the unique stories, perspectives, and experiences of our team members. We welcome people of all backgrounds, abilities, and identities to bring their authentic selves and contribute to our culture.

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