LIMS Engineer, Prenatal

BillionToOne•Union City, CA

1d•$121,441 - $132,001•Onsite

About The Position

Ready to redefine what's possible in molecular diagnostics? Join a team of brilliant, passionate innovators who wake up every day determined to transform healthcare. At BillionToOne, we've built something extraordinary—a culture where transparency fuels trust, collaboration drives breakthroughs, and every voice matters in our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we strive to build products that are 10x better than anything that exists today. Our people are our greatest asset: talented scientists, engineers, sales professionals, and visionaries united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion—every innovation you contribute helps remove fear of unknown from some of life's most critical medical moments. If you're driven by purpose, energized by innovation, and ready to help build the future of precision medicine, this is where you belong. We are looking for a LIMS Engineer to join our Automation team in support of clinical patient testing in our high-throughput CLIA lab. The LIMS Engineer will be responsible for (1) Supporting smooth and continued operation of clinical workflows, (2) Troubleshooting, investigating, and performing corrective actions for non-conformance reports in a timely manner, (3) Developing tools, scripts, and apps to provide self-service options for non-standard functions to LIMS operators. This role will help to build upon the strong technology and execution found at BTO. The LIMS Engineer role is a full-time onsite position and reports to the LIMS Manager, Prenatal.

Requirements

Bachelor's degree with Biological or Computational focus
Expert in Python
3+ Years Experience bench work experience
3+ Years Experience with developing LIMS, apps, or customer-facing tools
Ability to troubleshoot and diagnose advanced technical issues
Experience developing scripting solutions to automation problems, especially in a fast paced environment (startup experience a plus)
Strong attention to detail and ability to work flexibly and well under accelerated timeframes
Highly organized, strong written and verbal communication skills
Creative problem-solver who enjoys a variety of daily tasks

Nice To Haves

Experience with Clarity LIMS (Especially Python API)
Experience working in CLIA Lab, medical device, or pharma
Experience with AWS EC2, datadog, and/or postgres
Experience developing full-stack software (Server, Backend, HTML/CSS/Javascript Frontend)
Familiarity with Quality Management Systems and related regulations (CFR 21 Part 11, ISO 13485, etc)

Responsibilities

Develop LIMS workflows end-to-end: requirements gathering, Python development, interaction and collecting feedback, testing, and QA validation
Develop standalone applications that utilize Clarity API to add new self-service features
Oversee monitoring of LIMS servers and databases, identify bottlenecks, and optimize performance to support rapid scaling
Assist in triaging, investigating, and resolving operational LIMS issues for the CLIA lab
Participate in performing LIMS code reviews, verifications, and validations
Ensure compliance to all relevant corporate and regulatory requirements

Benefits

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 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 $168,585-$170,201 per year, including a base pay range of $121,441-$132,001 per year.