We are seeking a dynamic and experienced Director of IT to oversee and manage our Dev Ops and IT strategy. The ideal candidate will have a strong background in networking, infrastructure management, AWS cloud services and cybersecurity. This role will be pivotal in maintaining and enhancing our IT systems to support our business operations and growth. The Director of IT is a hybrid position (onsite 2-3 days per week) and reports to the VP of IT/IS.

Key Responsibilities:

• IT Leadership and Strategy:
• Develop and implement IT strategies aligned with the company's scaling goals.
• Lead and manage the IT team, fostering a culture of excellence and continuous improvement.
• Oversee the design, implementation, and maintenance of the company's cloud infrastructure and set it up as a service for the organizations.
• Networking and Infrastructure:
• Ensure the reliability, security, and efficiency of our networking systems.
• Manage network configuration, performance monitoring, and troubleshooting.
• Oversee the setup, configuration, and maintenance of servers, storage, and other infrastructure components.
• Implement and manage disaster recovery and business continuity plans.
• AWS Cloud Management:
• Design and manage AWS cloud infrastructure, ensuring scalability, performance, and security.
• Oversee the strategy, deployment and management of AWS services, including EC2, S3, RDS, and VPC.
• Optimize cloud resources for cost-efficiency and performance.
• Implement and manage cloud security policies and procedures.
• Security and Compliance:
• Ensure IT security measures are in place and regularly updated to protect against data breaches and cyber threats.
• Ensure compliance with industry standards and regulations, including HIPAA, SOC 2 and other relevant guidelines.
• Conduct regular security audits and vulnerability assessments.
• Project Management:
• Lead IT projects from conception through completion, ensuring they are delivered on time and within budget.
• Collaborate with cross-functional teams to support IT needs for various initiatives.
• Manage vendor relationships and negotiate contracts for IT services and products.
• Support and Maintenance:
• Oversee the IT support function to ensure timely resolution of technical issues and maintain a high standard of service satisfaction.
• Maintain an inventory of IT assets and manage lifecycle processes.
• Implement IT policies and procedures, ensuring staff adherence.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field. A Master's degree is a plus.
• Minimum of 8 years of experience in IT, with at least 3 years in a managerial or leadership role.
• Extensive experience with networking technologies, infrastructure management, and AWS cloud services.
• Proficiency in networking technologies (LAN, WAN, VPN, firewall, etc.).
• Strong knowledge of server and storage systems, virtualization, and data centers.
• Expertise in AWS services, architecture, and best practices.
• Experience with IT security protocols and compliance standards, SOC 2 preferred.
• Excellent leadership and team management skills.
• Strong problem-solving and decision-making abilities.
• Effective communication and interpersonal skills.
• Ability to manage multiple projects and priorities in a fast-paced environment.

Benefits And Perks:

• Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage 
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)
• Free daily on-site lunches provided from top eateries
• A variety of perks on campus (state of the art gym, restaurant)
• Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of (1) competitive base pay, (2) the opportunity for professional growth, and (3) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave etc.).

For this position, we offer a total compensation package of $421,554 per year, including a base pay range of $214,369 - $267,962 per year.

As BillionToOne scales rapidly, we are building a world-class Commercial Data & Applied AI team. We are currently seeking a highly motivated Senior AI Engineer I to support the design and implementation of AI and automation solutions that optimize operations across our commercial, billing, and customer experience teams.

This is a full-time senior role for engineers excited about applying LLMs, AI, and automation to real-world business challenges in healthcare. You will have the opportunity to join a new team and help shape the vision and culture. You will collaborate cross-functionally with stakeholders in Sales, Marketing, Revenue Operations, Billing, Customer Experience, and IT to identify high-impact opportunities for AI-driven solutions that improve scalability and efficiency.

We are builders at heart. We value a strong sense of ownership, intellectual curiosity, and a bias toward action.

This is a hybrid role requiring 2-3 days per week on-site in Menlo Park with the team.

Responsibilities:

• Build and deploy LLM-powered applications (retrieval systems, AI agents, workflow automation, vector storage) that integrate with internal systems and data sources
• Partner with business stakeholders to identify automation opportunities, scope requirements, and define success metrics
• Build lightweight data pipelines and analytics to support AI applications and measure their impact
• Own projects end-to-end: from prototyping and iteration through production deployment and monitoring
• Establish best practices for prompt engineering, evaluation, and responsible AI use as the team scales
• Develop and lead internal training sessions on LLM fundamentals, prompt engineering, and AI-assisted development tools

Qualifications:

• 5+ years of experience in software engineering, data science, or ML engineering
• Hands-on experience building applications with LLM APIs (OpenAI, Anthropic, etc.)
• Strong Python proficiency and comfort with SQL and relational databases
• Experience deploying and maintaining production systems
• Familiarity with AWS
• Excellent communication skills and ability to translate business problems into technical solutions
• Self-directed and comfortable with ambiguity in a 0-to-1 environment

Nice-To-Haves:

• Previous entrepreneurial experience
• Experience with retrieval architectures, vector databases, and embedding models
• Familiarity with agent frameworks or workflow orchestration tools
• Experience with traditional ML frameworks (scikit-learn, PyTorch, TensorFlow)
• Prior work in healthcare, biotech, or other regulated industries

Benefits And Perks:

• Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage 
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)
• Daily on-site lunches provided from top eateries
• A variety of perks on campus (state of the art gym, restaurant)
• Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

For this position, we offer a total compensation package of $280,705 per year, including a base pay range of $174,241 - $200,641 per year.

BillionToOne is seeking a Senior Finance Systems Analyst who will play a pivotal role in driving technology solutions across our finance function. This is a hands-on manager-level role, responsible for the administration, optimization, and integration of financial systems to support scaling operations and compliance with public company standards.

You’ll act as the key liaison between Accounting, Billing, and IT to ensure that systems and projects are aligned with business goals and internal control requirements. Your expertise in ERP systems, audit compliance, and cross-functional collaboration will be essential in enhancing the efficiency, accuracy, and control of our financial processes.

Responsibilities:

• Financial Systems Support & Administration
  • Assist with the administration and day-to-day support of financial technologies, including ERP systems and related finance tools.
  • Manage NetSuite configurations such as workflows, saved searches, roles, and user access under guidance from senior team members.
  • Support implementation and enhancement of system features and integrations across Finance and Supply Chain.
  • Identify opportunities to streamline processes and improve automation within finance systems.
  • Assist with data integrity, system maintenance, and troubleshooting for finance-related applications.
  • Support data integrations and work with IT on resolving integration-related issues.
• Cross-Functional Partnership
  • Work with Accounting, HR, Billing, and IT to translate business needs into system requirements and functional updates.
  • Assist Accounting during the monthly/quarterly close cycle by ensuring data accuracy and addressing system-related issues.
  • Support reporting, analysis, and planning tool integrations as needed.
  • Contribute to documentation of system requirements, test cases, and change requests.
  • Help coordinate system updates, testing, and deployment activities for finance system initiatives.
• Compliance & Controls
  • Maintain systems and processes in alignment with internal control frameworks and SOX readiness efforts.
  • Support audit activities by preparing system documentation, ensuring accuracy of financial system data, and providing required system access evidence.
  • Assist in maintaining IT SOX documentation related to finance systems.

Qualifications:

• 4–5+ years of experience supporting financial systems, preferably with hands-on NetSuite administration.
• Experience supporting financial audits and understanding of internal controls (SOX exposure preferred).
• Bachelor’s degree in Accounting, Information Systems, Computer Science, or a related field.
• Strong understanding of financial processes and reporting requirements.
• Demonstrated ability to support finance system enhancements and assist with system projects.
• Excellent analytical and problem-solving skills with strong attention to detail.
• Ability to manage multiple priorities and work in a fast-paced, dynamic environment.
• Strong communication skills and ability to work cross-functionally with both technical and non-technical teams.
• Experience with AI tools and automation.

As BillionToOne scales rapidly, we are building a world-class Commercial Data & Applied AI team. We are seeking a motivated AI Engineering Intern to support the design and implementation of AI and automation solutions that optimize operations across our commercial, billing, and customer experience teams.

This is an internship for those excited about applying LLMs, AI, ML, and automation to real-world business challenges in healthcare. You will have the opportunity to learn from experienced engineers on a new team while making meaningful contributions to high-impact projects. You will work cross-functionally with stakeholders in Sales, Marketing, Revenue Operations, Billing, Customer Experience, and IT to support AI-driven solutions that improve scalability and efficiency.

We are builders at heart. We value a strong sense of ownership, intellectual curiosity, and a bias toward action.

This is a hybrid role requiring 2–3 days per week on-site in Menlo Park with the team.

Responsibilities:

• Contribute to the development of LLM-powered applications (retrieval systems, AI agents, workflow automation, vector storage) that integrate with internal systems and data sources
• Work with business stakeholders and senior engineers to identify automation opportunities and help define requirements
• Assist in building lightweight data pipelines and analytics to support AI applications and measure their impact
• Contribute to projects across the development lifecycle  from prototyping and iteration through testing and deployment

Qualifications:  

• Currently pursuing (or recently completed) a Bachelor's, Master's degree or PhD
• Familiarity with Python and basic comfort with SQL
• Exposure to LLM APIs (OpenAI, Anthropic, etc.) through coursework, personal projects, or hackathons
• Strong communication skills and eagerness to learn how business problems translate into technical solutions
• Self-directed and comfortable asking questions in a fast-paced, ambiguous environment

Nice-to-Haves:

• Personal projects, hackathon experience, or coursework involving LLMs or ML
• Exposure to retrieval architectures, vector databases, or embedding models
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• Experience with ML frameworks (scikit-learn, PyTorch, TensorFlow)
• Interest in healthcare, biotech, or regulated industries

Benefits And Perks:

• Working with a team of ‘rockstars’ who bring out the best in everyone
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousand patients
• Free daily on-site lunches provided from top eateries
• Latest and greatest hardware (laptop, lab equipment, facilities)
• A variety of perks on campus (state of the art gym, restaurant)
• Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of (1) competitive base pay, and (2) the opportunity for professional growth.

For this position, the base pay rate is $25 per hour.