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

The Business Systems Analyst is responsible for performing tasks to analyze and re-design business systems and processes. 

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.

Software Engineer (New Grad/Entry-Level)

Full-time | On-site

Location: San Francisco, CA

We are a rapidly growing, cash-flow positive technology company modernizing a $12 trillion global industry. We are seeking a world-class Software Engineer to join our team, focusing on simplifying complex systems, unifying fragmented data, and building high-scale backend infrastructure. This is a unique opportunity to join an early-stage company with de-risked fundamentals and high impact potential.

This role involves tackling massive technical challenges by connecting and unifying disparate, legacy software systems. You will build the foundational infrastructure and user-facing applications that automate core industry workflows, providing tremendous value to customers.

Role Responsibilities:

Member of Technical Staff - Applied ML

Full-time | On-site

Location: New York, NY

We are a rapidly growing AI enterprise focused on equipping professionals with teams of AI agents to automate complex, real-world workflows. We are seeking a highly autonomous Applied ML Engineer to own end-to-end projects that bring intelligence into production. This role is for engineers who want to operate like both researchers and builders, focused on shipping reliable, continuously improving agentic systems.

As a key member of our Machine Learning team, you will act as the Responsible Party (RP) for mission-critical systems. You will have full autonomy to scope, build, experiment, and decide when your solution is ready to ship, focusing on clarity, deep instrumentation, and safe, reliable operation.

What you’ll be doing:

Join HSO and help shape the future of AI-driven cloud solutions. We believe technology should empower people and businesses to thrive. If you’re passionate about building innovative, ethical, and reliable AI solutions and enjoy leading projects and sharing knowledge we’d love to hear from you! 

About the Role 
As our AI Architect, you’ll design secure, scalable AI solutions, guide strategy, and work with customers and global teams. You’ll lead exciting projects, influence technology adoption, and help drive innovation at HSO. 

Key Responsibilities 

• Develop and implement enterprise AI strategies, frameworks, and governance. 

• Lead end-to-end delivery of AI solutions (migration, modelling, testing, deployment). 

• Design scalable AI systems and apply responsible AI practices. 

• Ensure privacy, security, and regulatory compliance. 

• Mentor technical teams and foster best practices. 

• Partner with customers to identify opportunities and enhance solutions. 

• Deliver workshops and share emerging technologies across teams. 

Requirements

Core Technical & Design Skills 

Staff Software Engineer, Machine Learning (LLM Backend)

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

Employment Type: Full-time

Salary Range: $145K - $250K

We are a rapidly growing AI technology company transforming mission-critical processes in the healthcare industry. We are seeking a Staff Software Engineer to architect and scale the secure, reliable backend systems that power our advanced Large Language Model (LLM) applications. This role requires expertise at the intersection of applied AI, distributed systems, and security/compliance in a regulated domain.

You will be responsible for pushing LLMs beyond demos into mission-critical, cost-efficient, and secure production healthcare workflows. This is a technical leadership role driving the end-to-end delivery of core ML/LLM systems.

Key Responsibilities:

Software Engineer (Full Stack, AI/Marketplace)

Location: NYC (100% On-site in SoHo)

Employment Type: Full-time

Salary Range: $140K - $210K

We are a rapidly growing, well-funded technology company (backed by world-class VCs) building the autonomous future of industrial staffing through fully orchestrated, multi-agent AI workflows. Our mission is to redefine labor management and drive peak efficiency across the global supply chain. We are seeking experienced, entrepreneurial engineers to build our foundational core product suite.

We are hiring across multiple seniority levels and both frontend/backend disciplines. You will partner directly with our CTO to own product decisions, architect foundational systems, and iterate on the product roadmap.

Key Responsibilities:

Software Engineer - AI & Legal Tech Transformation

Location: Hybrid - New York

Compensation: $160,000 – $250,000

We are a fast-growing legal technology company, founded by a mix of legal operators and tech veterans from top-tier companies, focused on solving high-impact problems in the legal world. We are turning chaos—repetitive tasks, paper-based bottlenecks, and data fragmentation—into clarity using well-designed systems, AI, and thoughtful software. We are seeking a Software Engineer to own critical features end-to-end and influence our engineering culture from the ground up.

You will be responsible for building fast, shipping often, and partnering closely with cross-functional teams (product, ops, design, and legal experts). This role demands high ownership, requiring you to manage the full feature lifecycle from architecture design to production release. You must move quickly without sacrificing quality, integrating safety, observability, and performance from the start.

What you’ll do:

Senior Fullstack Engineer (Founding AI Focus)

Location: New York City, NY (Hybrid, 3+ days/week on-site)

Employment Type: Full-time

Salary Range: $150K - $250K (Based on experience and quality)

We are a high-growth, mission-driven startup focused on delivering AI-powered solutions in the healthcare sector, specifically targeting a large, underserved patient population. Backed by top-tier VCs, this is a ground-floor opportunity for a high-impact engineer to join as a founding member and lead the technical architecture from inception to launch, with a clear path to engineering leadership.

We are seeking a Senior Fullstack Engineer with 4-10 years of experience to lead the design and launch of our AI-first product. You will work directly with the co-founders, owning major technical decisions and shaping the engineering culture. This role requires speed, autonomy, and a commitment to driving measurable, meaningful impact in a challenging healthcare domain.

Your Key Responsibilities:

Founding Software Engineer - AI Evaluation & Data Infrastructure

Location: San Francisco

compensation: $150K - $240K

We are building the most complex infrastructure that powers frontier data creation for agentic and hard reasoning workflows, helping push the frontier of LLMs and AI Agents. We work with all 5 of the leading AI labs and are experiencing sharp hockey stick growth. We are seeking a Founding Software Engineer with end-to-end ownership to build the systems that power data and evaluation for the next generation of AI.

This is a dynamic, high-impact role that offers immense breadth of ownership over projects that push the frontier of AI evaluation. You will move fluidly across the entire stack, from research prototyping to distributed cloud infrastructure and user-facing analytics. You must be comfortable with constant context switching and relentless shipping in a talent-dense environment.

What You’ll Do:

Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA, US (On-site)

Employment Type: Full-time

Salary Range: $160K - $225K

We are a rapidly growing, Y-Combinator-backed (YC X25) startup operating at the intersection of AI and Cybersecurity. We are building fully autonomous, in-house AI agent systems designed to solve critical, large-scale problems in modern web application security. Join a small, high-impact founding team to define and build the core technology from the ground up.

We are seeking a skilled and passionate Founding Full Stack Software Engineer with a strong focus on backend development and AI systems. You will be responsible for designing, developing, and maintaining highly scalable, high-performance web applications and our cutting-edge AI Agent platform.