Senior Machine Learning Engineer jobs in United States
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BILL · 18 hours ago

Senior Machine Learning Engineer

BILL is a rapidly growing Fintech company focused on empowering businesses through innovative financial automation tools. As a Senior Machine Learning Engineer, you will design, build, and deploy machine learning solutions that enhance BILL's next-generation products while collaborating with cross-functional teams to drive innovation.

AppsBillingFinancial ServicesFinTechSaaS
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Responsibilities

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 datasets, 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

Qualification

Machine Learning ModelsPython ProgrammingML FrameworksOCR ExtractionNLP MethodologiesAI AgentsLarge Datasets AnalysisCommunication SkillsCollaboration SkillsProblem-Solving MindsetContinuous Learning

Required

Proven experience building and deploying machine learning models in production environments
Strong programming skills in Python and familiarity with ML frameworks such as TensorFlow, 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 datasets 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

Benefits

100% paid employee health, dental, and vision plans (choose HMO, PPO, or HDHP)
HSA & FSA accounts
Life Insurance, Long & Short-term disability coverage
Employee Assistance Program (EAP)
11+ Observed holidays and wellness days and flexible time off
Employee Stock Purchase Program with employee discounts
Wellness & Fitness initiatives
Employee recognition and referral programs
And much more

Company

BILL is a developer of financial automation software for small and midsize businesses (SMBs).

Funding

Current Stage
Public Company
Total Funding
$1.48B
Key Investors
Barington Capital GroupStarboard ValueFranklin Templeton
2025-12-04Post Ipo Equity
2025-09-04Post Ipo Equity
2024-12-04Post Ipo Debt· $1.2B

Leadership Team

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René Lacerte
CEO & Founder
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Ken Moss
Chief Technology Officer
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Company data provided by crunchbase