Staff Software Engineer, Machine Learning

Location: Burlingame, CA (On-site, 4 days a week)

Compensation: $145,000 -$250,000 (Base Salary) + Equity Options

We are a rapidly growing AI company applying Large Language Models (LLMs) to transform a critical, high-impact domain within the healthcare industry. We're looking for a highly skilled and experienced Staff Software Engineer, Machine Learning to drive the architecture and scaling of our LLM backend systems.

This role is ideal for an engineer who thrives at the intersection of backend architecture and applied AI, designing the APIs, data pipelines, and infrastructure that make LLMs reliable, secure, and cost-efficient in production. Join us and help push LLMs beyond demos into mission-critical healthcare workflows.

Job Description 🖥️

As a Staff Software Engineer, you’ll be a technical leader responsible for the end-to-end delivery of our core LLM backend projects, setting the engineering best practices, and mentoring peers in system design.

Key Responsibilities:

Senior Data/AI/ML Software Engineer

Location: Hybrid (San Francisco Bay Area) or Remote (US Only for exceptional candidates)

Compensation: $150,000 - $300,000 (Varies based on level and location) + Equity

We are a pioneering Clinical Data Intelligence platform that leverages cutting-edge AI, Machine Reading, and Knowledge Graph technology to automate cognitive tasks involving clinical data. Our solutions directly empower clinicians, researchers, and care coordinators to improve efficiency, reduce frustration, and enhance patient care. We are seeking a Senior Data/AI/ML Software Engineer to build and scale the core components of our mission-critical platform.

You'll be responsible for designing, implementing, and improving data-intensive systems that automate the extraction and synthesis of health information. Your work directly impacts applications used by clinicians every day.

What you'll do:

Full Time Female Specimen Collector  

Location: Portland, Oregon

Schedule: Full Time: Monday through Friday 9am to 6;15pm and 1 to 2 Saturdays a month 9;20am to 3;05pm

Seeking: Female candidates required for observed collections of gender identified female patients.

Help make a positive impact in your community! 

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use of prescription medications and illicit drugs supporting improved clinical decision-making as part of treatment for millions of Americans with chronic pain, mental illness, and substance use disorders.

The Specimen Collector is a key role at Millennium Health.  As our representative, this position provides exemplary care and exceptional customer service to patients, clinicians, and our laboratory.

As a Specimen Collector: 

Full Time Specimen Collector  

Location: New Orleans, LA

Schedule: Full-Time | Monday-Thursday 11:30am-7:30pm, Friday 11:30am-4:00pm (37 hours/week)

Help make a positive impact in your community! 

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use of prescription medications and illicit drugs supporting improved clinical decision-making as part of treatment for millions of Americans with chronic pain, mental illness, and substance use disorders.

The Specimen Collector is a key role at Millennium Health.  As our representative, this position provides exemplary care and exceptional customer service to patients, clinicians, and our laboratory.

As a Specimen Collector: 

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use and misuse of prescription medications and illicit drugs. The testing is used by healthcare professionals to obtain objective information about patients’ recent use of prescription medications and/or illicit drugs and helps monitor the effectiveness of treatment plans.

Why Millennium Health?

• Excellent earning potential with a customer focus: Includes a competitive base salary, uncapped monthly commissions, vehicle stipend, and mileage reimbursement. Comprehensive benefits package including flex time-off plan!
• Work with a talented and passionate team: You’ll partner with our expert clinical team and laboratory to ensure best-in-class support, quality, performance, and accountability.
• Join us at an opportune time for growth and advancement: We're expanding rapidly and have an excellent trajectory. This means a great foundation and you’ll be joining at the perfect time to help contribute to our and your future success.

The Job:

Full Stack Engineer (AI-Native Compliance)

Location: New York, NY

Employment Type: Full-time

Work Arrangement: On-site 5 days a week

About the Role

Our client is a rapidly growing AI startup building the next-generation compliance platform. Launched in April 2025, they have already crossed $1.2 million ARR with a small team by automating complex security and compliance processes (SOC 2, ISO, HIPAA, GDPR) using AI agents—turning months-long audits into days.

They are looking for a Full Stack Engineer who is hungry, highly technical, and ready to own features from concept to production. As an early engineer, you will work directly with the founders, shape core product decisions, and build the infrastructure necessary to scale the company toward nine figures.

What You'll Do

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor the use and misuse of prescription medications and illicit drugs. The testing is used by healthcare professionals to obtain objective information about patients’ recent use of prescription medications and/or illicit drugs and helps monitor the effectiveness of treatment plans.

GENERAL SUMMARY

The Supervisor, Analytical Laboratory is responsible for oversight and management of performance for the analytical laboratory processes using immunoassay and/or LC-MS/MS technology.

WORK SCHEDULE: Tuesday through Saturday, 4 pm- 12:30 am PST

The following are intended to be examples of the accountabilities for which the person in this position is responsible. This position description is not intended to be complete or all-inclusive and does not preclude management from assigning other or related functions for which the individual has demonstrated competency through performance.

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use and misuse of prescription medications and illicit drugs. The testing is used by healthcare professionals to obtain objective information about patients’ recent use of prescription medications and/or illicit drugs and helps monitor the effectiveness of treatment plans.

The Customer Service Advocate (CSA) works in a Service Center environment and is the primary point of contact for inbound calls, Live Chat inquiries, and customer support cases. The CSA’s daily objective is to provide a superior customer experience by collaborating with multiple cross-functional operations teams to resolve customer issues.  Customer support tasks include, but are not limited to: new client set up, account and specimen management, clinical and billing support, shipping, equipment, and supply inquiries. The ideal candidate will possess healthcare administrative and clerical support experience, be a self-starter, and thrive in a fast-paced, customer-centric environment. 

Essential Functions

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use and misuse of prescription medications and illicit drugs. The testing is used by healthcare professionals to obtain objective information about patients’ recent use of prescription medications and/or illicit drugs and helps monitor the effectiveness of treatment plans.

The Customer Service Coordinator (CSC) is responsible for ensuring the smooth operation of the Customer Service department by providing essential clerical and administrative support. This position demands a high level of organizational skill, attention to detail, and the ability to handle multiple tasks efficiently.

The following are intended to be examples of the accountabilities for which the person in this position is responsible.  This position is not intended to be complete or all-inclusive and does not preclude management from assigning other or related functions for which the individual has demonstrated competency through performance.

Full Time female Specimen Collector  

Location: Sandy, Utah

Schedule: Full Time: Monday: 9:30 AM - 6:30 PM

Tuesday: 9:00 AM - 5:00 PM

Wednesday: 4:00 PM - 7:00 PM

Thursday: 4:00 PM - 7:30 PM

Friday: 9:30 AM to 5:00 PM

Seeking: Female candidates required for observed collections of gender identified female patients.

Help make a positive impact in your community! 

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use of prescription medications and illicit drugs supporting improved clinical decision-making as part of treatment for millions of Americans with chronic pain, mental illness, and substance use disorders.

The Specimen Collector is a key role at Millennium Health.  As our representative, this position provides exemplary care and exceptional customer service to patients, clinicians, and our laboratory.

As a Specimen Collector: