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Senior Software Engineer, Frontend

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Helpcare AI

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Location:
United States , Menlo Park

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Contract Type:
Not provided

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Salary:

193800.00 - 214200.00 USD / Year

Job Description:

BillionToOne is a next-generation molecular diagnostics company dedicated to developing powerful and accurate diagnostic tests that are accessible to all. We are currently looking for a high-performing Senior Software Engineer, Frontend to join our dynamic software engineering team. Software engineers at BillionToOne work in highly collaborative and interdisciplinary teams of clinicians, computational biologists, and other engineers to robustly scale personalized genomic medicine to millions of patients.

Job Responsibility:

  • Collaborate with talented engineers to design and develop our backend services, data processing pipelines, and interfaces, driving innovation and efficiency
  • Build user-facing frontend features to optimize performance and reliability, enhancing overall user experience
  • Demonstrate a creative and out-of-the-box mindset, offering innovative solutions and approaches to complex technical challenges
  • Prioritize quality by writing comprehensive unit / integration / end-to-end tests and ensuring superior test coverage across all components and modules. Highly skilled in writing technical documentation and validation reports that assure correct functionality of medical informatics systems
  • Demonstrate a strong sense of ownership and take responsibility for end-to-end project delivery. The ideal candidate will thrive in an environment where they have the autonomy to make informed decisions and take the initiative to drive projects forward
  • Collaborate cross-functionally, actively seeking input from team members and fostering a positive and inclusive work environment

Requirements:

  • 5+ years of professional software development experience with a proven track record of delivering complex projects and adhering to best practices
  • Expertise in frontend engineering using modern libraries like Typescript, React, and HTMX
  • Familiarity with modern AI-driven development practices and tools
  • Excellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment
  • Proven track record of building products and features from conception to deployment, showcasing your ability to innovate and deliver results
  • Excited about working in-person with our team in Menlo Park

Nice to have:

  • Experience in healthcare-related software or a passion for improving healthcare systems
  • Familiarity with healthcare data standards, such as FHIR and HL7
  • Experience leveraging AI-assisted coding and debugging tools
  • Experience building AI agents, fine-tuning machine learning models, or deploying LLM-based applications
What we offer:
  • 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 thousands patients
  • Multiple medical benefit options
  • employee premiums paid 100% of select plans, dependents covered at 80%
  • Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
  • Retirement savings program including a 4% Company match
  • 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)
  • Generous equity options offering
  • Corporate bonus program

Additional Information:

Job Posted:
December 31, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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