Senior Machine Learning Engineer

SmithRx; United States; Remote; USD 110,000 - 150,000; Full time

Job summary

SmithRx seeks a Data Scientist experienced in generative AI, responsible for developing innovative AI solutions that enhance productivity in the pharmacy benefit management sector. The ideal candidate will leverage their expertise in machine learning and AI to drive impactful business outcomes while working collaboratively with various teams.

Benefits

Medical, Pharmacy, Dental, Vision, and Life Insurance

401(k) Retirement Savings Program

Discretionary Paid Time Off

12 Paid Holidays

Professional development and training opportunities

Qualifications

• 5 years of experience in data science, machine learning, and AI development.
• Knowledge of Large Language Models (LLMs) and retrieval methods.
• Experience with training and fine-tuning LLMs.

Responsibilities

• Design generative AI solutions for internal and customer-facing applications.
• Work with cross-functional teams to implement AI technologies.
• Lead the adoption and scaling of Generative AI capabilities.

Skills

Machine Learning

AI Development

Natural Language Processing

Data Science

Generative AI Models

Python

Education

MS or PhD in Computer Science, Electrical Engineering, Statistics, Robotics

Tools

TensorFlow

PyTorch

Pandas

Job description

SmithRx is a rapidly growing, venture-backed Health-Tech company. Our mission is to disrupt the expensive and inefficient Pharmacy Benefit Management (PBM) sector by building a next-generation drug acquisition platform driven by cutting edge technology, innovative cost saving tools, and best-in-class customer service. With hundreds of thousands of members onboarded since 2016, SmithRx has a solution that is resonating with clients all across the country.

We pride ourselves for our mission-driven and collaborative culture that inspires our employees to do their best work. We believe that the U.S healthcare system is in need of transformation, and we come to work each day dedicated to making that change a reality. At our core, we are guided by our company values:

• Integrity:Always operate with honesty and transparency so we earn the trust of our clients.
• Courage:Demonstrate the courage needed to take on a broken industry and continuously improve what we offer to optimize health outcomes.
• Together:Foster a collaborative and inclusive environment that values teamwork, respect, and open communication, and encourages creativity and diversity of thought.

Job Summary:

SmithRx is leading the transformation of pharmacy benefit management (PBM) with a cutting-edge platform that delivers real-time insights, cost efficiencies, and exceptional customer experiences. We are seeking an experienced Data Scientist with expertise in generative AI as we continue to expand. In this key role, you will drive AI innovation and lead the implementation of AI-powered solutions. The position requires at least 5 years of experience in machine learning and AI development, with proven success leading AI initiatives. You will work with cross-functional leaders to deliver impactful AI solutions that directly influence our business outcomes.

In order to be eligible for this position applicants must be based in one of the following states: Arkansas, Arizona, California, Colorado, Florida, Georgia, Kansas, Minnesota, Missouri, Nevada, Ohio, Pennsylvania, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin.

What you will do:

As a member of the SmithRx Application Engineering and AI team, you will work customer facing as well as internal tooling that leverages AI to improve productivity and quality. You will work directly with software engineers, data engineers, product managers, and subject matter experts in the definition of new generative AI capabilities able to provide our members and internal organizations with the information they need to make proper decisions.

Qualified candidates will have an in-depth knowledge of the most common Large Language Models (LLMs) and Retrieval Methods, know how to train and fine-tune LLMs, and design and implement LLM-powered agents and tools at scale.

Responsibilities

• Design Generative AI solutions, such as information retrieval and summary generation for support and operations organizations.
• Partner with Software Engineering teams to build and deploy GenAI applications.
• Ideate and explore opportunities to deploy GenAI technologies for customer-facing experiences
• Drive the adoption and scalability of Generative AI capabilities within SmithRx; advocacy on the technology and evangelize the use of GenAI.

What you will bring to SmithRx:

• 5 years of experience in data science, machine learning, and AI development, with proven success leading AI initiatives
• MS or PhD in Computer Science, Electrical Engineering, Statistics, Robotics or equivalent fields.
• Applied Machine Learning experience (regression and classification, supervised, and unsupervised learning).
• Applied Machine Learning experience (regression and classification, supervised, and unsupervised learning).
• Strong mathematical background (linear algebra, calculus, probability, and statistics).
• Proficiency in Python and object-oriented programming.
• Strong experience working with machine learning and natural language processing techniques and tools.
• Strong experience using Generative AI models, with a good understanding of deep learning model classes such as GPT, VAE, and GANs, as well as their hyperparameters.
• Strong experience with retrieval methods e.g. using embeddings.
• Strong experience using key Python packages for data wrangling, machine learning and deep learning such as pandas, sklearn, TensorFlow, torch, transformers, LangChain, etc.
• Experience in Prompt Engineering and few-shot techniques to enhance LLM's performance on specific tasks.
• Experience with training and fine-tuning deep learning models, especially LLMs, and how to tune hyperparameters to ensure task generalization.
• Ability to drive a project and work both independently and within a cross-functional team.
• Excellent verbal and written communication, able to articulate complex concepts with a non-technical audience.

Preferred Qualifications

• Experience with embedding model training and retrieval method evaluation approaches.
• Experience with LLM architectures, adapters, Mixture of Experts (MoEs) pretraining and fine-tuning techniques.
• Experience with design, deployment, and evaluation of LLM-powered agents and tools and orchestration approaches.
• Experience with reinforcement learning approaches in the context of fine-tuning LLM outputs.
• Experience with time series analysis and multivariate time series modeling.

What SmithRx Offers You:

• Highly competitive wellness benefits including Medical, Pharmacy, Dental, Vision, and Life Insurance and AD&D Insurance
• 401(k) Retirement Savings Program
• Short-term and long-term disability
• Discretionary Paid Time Off
• 12 Paid Holidays
• Paid Parental Leave benefits
• Employee Assistance Program (EAP)
• Well-stocked kitchen in office locations
• Professional development and training opportunities

Apply for this job

*

indicates a required field

First Name *

Last Name *

Email *

Phone *

Location (City) *

Resume/CV *

Enter manually

Accepted file types: pdf, doc, docx, txt, rtf

Enter manually

Accepted file types: pdf, doc, docx, txt, rtf

LinkedIn Profile *

Website

Legal Name *

What is your highest level of education completed? Did you receive a degree? *

Our company is currently able to offer remote employment for this position in the following states: AR, AZ, CA, CO, FL, GA, KS, MN, MO, NV, NC, SC, OH, PA, TN, TX, UT, VA, WA, WI.In what state do you currently live? * Select...

Do you have experience with embedding model training and retrieval method evaluation approaches? * Select...

Do you have strong experience using Generative AI models, with a good understanding of deep learning model classes such as GPT, VAE, and GANs, as well as their hyperparameters? * Select...

Do you have experience with LLM architectures, adapters, Mixture of Experts (MoEs) pretraining and fine-tuning techniques? * Select...

Do you have experience with design, deployment, and evaluation of LLM-powered agents and tools and orchestration approaches? * Select...

Have you operated and maintained RAG pipelines? * Select...

Please briefly describe your experience working with large language models (ok to keep this to project highlights, 2-4 sentences). *

Our company is currently able to offer remote employment for this position in the following states: AR, AZ, CA, CO, FL, GA, KS, MN, MO, NV, NC, SC, OH, PA, TN, TX, UT, VA, WA, WI.In what state do you currently live? Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in SmithRx’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305

Page 1 of 1

OMB Control Number 1250-0005

Expires 04/30/2026

Voluntary Self-Identification of Disability

Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026
Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp .

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

• Alcohol or other substance use disorder (not currently using drugs illegally)
• Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
• Blind or low vision
• Cancer (past or present)
• Cardiovascular or heart disease
• Celiac disease
• Cerebral palsy
• Deaf or serious difficulty hearing
• Diabetes
• Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
• Epilepsy or other seizure disorder
• Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
• Intellectual or developmental disability
• Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
• Missing limbs or partially missing limbs
• Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
• Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
• Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
• Partial or complete paralysis (any cause)
• Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
• Short stature (dwarfism)
• Traumatic brain injury

Disability Status Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.