UnitedHealth Group

Senior AI/ML Engineer - Remote

UnitedHealth Group • $120K — $214K *
US-AnywhereRemote in San Diego, CA
Healthcare
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, Statistics, or related field; or 4+ years of equivalent practical experience
  • 5+ years of experience building and operating ML systems in production
  • 3+ years of experience with C# or Python
  • 3+ years of experience with Azure
  • 3+ years of expertise in supervised learning and deep learning techniques
  • 3+ years of MLOps experience, including CI/CD and model monitoring
  • 1+ year of experience with LLMOps including prompt engineering.

Responsibilities

  • Ship production ML systems from problem framing to deployment
  • Design ML system architectures ensuring low-latency and high availability
  • Build and maintain data and model pipelines using modern MLOps practices
  • Contribute to scoping and translating complex initiatives into actionable roadmaps
  • Establish evaluation strategies, including metrics and A/B tests
  • Implement model observability and governance for performance monitoring
  • Collaborate with cross-functional teams to turn product goals into measurable ML outcomes.

Benefits

  • Comprehensive benefits package
  • Incentive and recognition programs
  • Equity stock purchase options
  • 401k contribution
  • Flexible remote work opportunities within the U.S.
Full Job Description
This role will enable autonomous medical coding in a SaaS platform by integrating machine learning and LLMs. Working closely with data scientists and software engineers through data extraction, research, training, and deployment to create a scalable production solution that can handle millions of medical charts daily. You will work with cutting edge models, LLM, software, and tools in a fast-paced environment.

You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges.

For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

Primary Responsibilities:

  • Ship production ML systems end-to-end: problem framing, data discovery, feature engineering, training, evaluation, deployment, monitoring, and iteration
  • Design robust ML system architectures with low-latency inference and high availability
  • Build and maintain reliable data and model pipelines using modern MLOps practices (CI/CD for ML, model registries, experiment tracking, automated retraining)
  • Contribute to technical scoping and break down complex initiatives into executable roadmaps; drive execution across cross-functional partners
  • Establish evaluation strategies: metrics, simulation, counterfactuals, and A/B tests; quantify impact and ensure statistical rigor
  • Implement model observability and governance: drift detection, performance monitoring, fairness/bias assessments, and model documentation
  • Collaborate closely with product, design, data, and platform teams to translate product goals into ML opportunities and measurable outcomes


You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications:

  • Bachelor of Science or higher in Computer Science, Engineering, Statistics, or related field, or 4+ years of equivalent practical experience
  • 5+ years of industry experience building and operating ML systems in production (or equivalent depth), with a track record of shipped impact
  • 3+ years of experience in C# or Python
  • 3+ years of Azure experience
  • 3+ years of experience in supervised learning, feature engineering, evaluation methodology, bias/variance; deep learning and/or gradient boosting
  • 3+ years of MLOps expertise including CI/CD for ML, containers, Kubernetes/serverless inference, model registries, reproducibility, and model monitoring
  • 1+ years of experience with LLMOps including prompt engineering, retrieval-augmented generation, fine-tuning, evaluation, and safety/guardrails


Preferred Qualifications:

  • Domain experience in recommendations, ranking, time-series forecasting, optimization, or reinforcement learning
  • Open-source contributions, publications, or patents experience
  • MLOps expertise including CI/CD for ML, containers, Kubernetes, model registries, reproducibility, and model monitoring
  • Demonstrated excellent communication and product sense; able to translate business needs into technical plans and explain tradeoffs to non-ML stakeholders
  • Proven privacy, security, and responsible AI practices (GDPR/CCPA, PII handling, fairness)
  • Proven solid ML/statistics fundamentals: supervised learning, evaluation methodology, feature engineering, bias/variance tradeoffs; deep learning or gradient boosting experience


*All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $120,100 - $214,500 annually based on full-time employment. We comply with all minimum wage laws as applicable.

Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

#OptumTechPJ

About UnitedHealth Group

UnitedHealth Group is a medical facility. They offer health technology, health finance, and pharmacy services. They are utilizing clinical data and intelligence to assist in the redesign, automation, and deployment of technology to streamline administrative operations and clinical decision-making. Payment systems for both consumers and providers are critical components of a health-care system.

UnitedHealth Group Careers

Joining UnitedHealth Group means becoming part of a diverse team dedicated to making a difference. As a leader in health services and innovation, our company offers a variety of job opportunities that allow professionals to leverage their skills, drive innovation, and improve lives. Work You’ll Do At UnitedHealth Group, you’ll contribute to a mission-focused environment where your expertise will influence the health and well-being of people worldwide. Our employment opportunities span across a wide range of disciplines, from healthcare specialists to data analysts, ensuring that your career journey is both dynamic and rewarding. Transform Healthcare with Your Expertise UnitedHealth Group stands at the forefront of health innovation. Our team collaborates to deliver solutions that lead to better patient outcomes. Working with us, you’ll find yourself at the intersection of technology, healthcare, and leadership, providing key insights that drive industry transformation. Join Our Global Team As part of our team, you’ll engage with over 300,000 professionals globally, dedicated to building a diverse and inclusive workplace. UnitedHealth Group is not just a company; it’s a community where you can grow your career through continuous learning and leadership opportunities. Our commitment to diversity training ensures that every team member can thrive. UnitedHealth Group Career Development We are committed to your professional growth. Explore career paths filled with promising job opportunities and internships that will harness your potential and expand your capabilities. Whether you’re a seasoned professional or a recent graduate, you’ll find that our career development programs support your ambition at every level. Innovative Work Environment At UnitedHealth Group, innovation is at the core of our operations. We encourage our team to bring forward-thinking ideas that challenge the status quo and lead to breakthrough improvements in patient care. Be Part of a Great Team Our culture fosters a collaborative and supportive environment where every member’s contribution is valued. Enjoy the benefits of being part of a global team that’s committed to making a difference in people’s lives. Future-Proof Your Career With UnitedHealth Group, your career is future-proof. Dive into a range of positions that offer both challenges and rewards. Our robust support system includes unmatched training, development programs, and certification support to propel your career forward. Stay Connected Join Our Team Discover the right position that matches your skills and interests. We are always hiring and look for passionate, curious, and solution-driven team players. Search UnitedHealth Group jobs today and take the first step towards a fulfilling career. Keep Up to Date Stay informed with career tips, insider perspectives, and industry-leading insights you can use today—all from the people who work here. Read Careers Blog Job Alert Emails Customize your subscription to receive job alerts, the latest news, and insider tips tailored to your preferences. Explore the exciting and rewarding opportunities that await at UnitedHealth Group.
Learn more about UnitedHealth Group
Size
350,000 employees
Market Cap
$493.1 billion
Industry
Net Income
$15.4 billion
Founded
1974
5 Year Trend
+9.2%
Revenue
$257.1 billion
NASDAQ

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