Senior Data/AI/ML Software Engineer

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

Employment Type: Full-time

Salary Range: $150K - $300K (Varies by level and location)

We are building a cutting-edge Clinical Data Intelligence platform that automates complex, low-level cognitive tasks involving clinical data and knowledge. We are seeking a highly experienced Senior Data/AI/ML Software Engineer to design, implement, and improve the core components of our system, leveraging advanced AI/ML/NLP techniques to dramatically increase efficiency in healthcare.

This role requires expertise across software engineering, AI/ML, and data engineering, with a focus on building data-intensive systems that empower clinicians and improve healthcare operations.

What You'll Do:

Robotics Software Engineer - Scientific Physical AI Platform

Location: San Francisco

Compensation: $150,000 – $210,000

We are a mission-driven company using AI, robotics, and biology to accelerate life science research, with the ultimate goal of eradicating disease. We are building a Scientific Physical AI platform that helps scientists scale their lab work and generate orders of magnitude more data. We are looking for a Robotics Software Engineer to build highly robust and performant solutions that redefine laboratory automation.

You will be instrumental in bridging complex biological processes with physical automation. This role is deeply hands-on, focused on robust manipulation and control of laboratory equipment. You will be expected to work directly with scientists, translate their biological needs into engineering requirements, and deliver production-ready software solutions in a dynamic, high-stakes environment.

In this role, you will:

Fullstack Engineer (Founding Team, High Agency)

Location: San Francisco, CA (100% On-site)

Employment Type: Full-time

Salary Range: $150K - $200K (Flexible for highly experienced candidates)

We are an ambitious, rapidly growing AI startup (recently raised a heavily oversubscribed $3.8M Seed round from top-tier VCs, including those early in OpenAI and Scale AI) focused on completely rebuilding the foundation of the massive Insurance Claims Processing industry. We are seeking a high-agency Fullstack Engineer to join our intensive, high-performance team. This is a role for engineers who thrive on extreme ownership and measurable customer impact.

This role requires a high level of performance, ambition, and ownership. You will be instrumental in defining and building core features end-to-end, working directly with founders and customers.

What You'll Do:

Frontend Deployed Engineer - API Tools & Developer Experience

Location: On site - Williamsburg, Brooklyn

Compensation: $170,000 – $230,000

We are a rapidly scaling software company, backed by top investors, enabling businesses to offer "Stripe-level" SDKs (client libraries) and documentation for their REST APIs. Our platform tackles the core pain points of APIs—untyped, unstandardized, and out-of-sync—by leveraging technology inspired by internal tooling at major tech firms. We are looking for an ambitious Frontend Deployed Engineer to help us scale from $1M to $10M ARR.

This is a high-impact, hands-on role at the intersection of engineering and customer success, ideal for engineers with entrepreneurial goals. You will work directly with CTOs, VPs of Engineering, and developers at fast-growing tech companies to solve their highest-priority problems, influence our product roadmap, and drive adoption.

What You’ll Do:

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.

Founding Engineer - AI Data Cleaning & Financial Infrastructure

Location: On site - New York

Compensation: $150,000 – $250,000

We are a high-growth, YC-backed company building the clean data layer for everyone, starting with financial firms. Our platform solves complex data cleaning challenges, delivering accurate, refined data via a simple API that integrates effortlessly into existing ELT pipelines, combining the best of AI and expert human review. We are seeking a Founding Engineer to design, build, and scale our core AI-powered data systems.

This is an unparalleled opportunity to join an early team and drive both the product strategy and the technical direction of the company. You will have immense impact and ownership, working across the entire stack to create a reliable and accurate data platform. You must be a strong engineer excited to work at the intersection of production software and frontier AI/LLM technologies.

What You’ll Do:

Founding Engineer - Full-Stack AI Compliance Platform

Location: On site - New York

Compensation: $200K - $250K

We are a rapidly growing AI and Security company that has already disrupted industry incumbents since launching in 2025. We are building the AI-native compliance platform that automates security and compliance (SOC 2, ISO, HIPAA, GDPR) using AI agents, turning months-long processes into days. We are looking for a Founding Engineer—a true builder ready to own features end-to-end and define the technical DNA of our product.

This is not a narrow role; we seek a full-stack builder who can execute across the entire product lifecycle. You will have deep ownership over critical, high-leverage projects, collaborating directly with the founders to move the business forward. Your code quality and product sense will set the standard for the entire engineering organization.

What You'll Do:

Founding AI Engineer (Healthcare Focus)

Location: Albuquerque, NM (On-site, 5 days/week)

Employment Type: Full-time

Compensation Structure: Salary: $150K + Significant Equity

We are a mission-driven, pre-seed startup focused on reimagining healthcare delivery through state-of-the-art AI capabilities. Join a small, high-ownership founding team as the inaugural AI Engineer, where your work will directly transform patient and clinician experiences. This role offers the unique opportunity to operate as a co-founder and is ideal for a builder motivated by massive impact.

We are seeking a curious, creative, and disciplined Founding AI Engineer to take the lead in integrating and deploying AI solutions that re-engineer complex clinical workflows. This role demands high autonomy, a deep technical skillset, and a relentless focus on solving real-world challenges in the healthcare space.

What You'll Be Doing:

Applied AI Engineer

Location: NYC (On-site, 5 days/week)

Employment Type: Full-time

Salary Range: $150K - $225K

We are a rapidly growing, well-funded technology company operating at the intersection of AI, Software Development, and the Healthcare/Life Sciences industry. We are building a foundational network and applying advanced AI techniques to revolutionize how new life-changing therapies reach patients. This is a demanding, high-autonomy role with end-to-end responsibility for driving measurable business impact. Visa sponsorship is available.

As an Applied AI Engineer, you will be responsible for leveraging LLMs and various Machine Learning techniques to solve critical business problems, automate complex processes, and create groundbreaking AI applications across our product suite. This role requires a deep understanding of the business domain to ensure your technical output directly drives user growth, operational efficiency, and revenue generation.

Key Responsibilities: