Senior Software Engineer

Summary

Join BillionToOne, a leading molecular diagnostics company, as a Senior Software Engineer on our dynamic Oncology team. You will collaborate with clinicians, biologists, and engineers to scale personalized genomic medicine. Contribute to building a seamless digital experience for clinicians and patients, digitizing workflows, and enabling better care transfer. This hybrid role (2-3 days/week onsite) offers the opportunity to impact both small tools and large product development using technologies like Python, Django, Postgres, and AWS. We offer a competitive compensation package and exceptional benefits, including 100% employer-paid medical premiums for select plans, generous parental leave, and a 4% 401k match.

Requirements

• 5+ years of professional software development experience with a proven track record of delivering complex projects and adhering to best practices
• Expertise in Python backend frameworks (e.g., Django or Flask), delivering high-quality, scalable code
• Strong foundation in cloud services, preferably AWS, including ECS, S3, AWS Batch, EC2, and AWS Lambda, enabling effective architecture and management of complex systems
• 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
• Excel in resolving issues and enhancing performance and maintainability in a codebase at scale, demonstrating your commitment to excellence
• Excited about working in-person with our team in Menlo Park

Responsibilities

• Collaborate with talented engineers to design and develop our backend services, data processing pipelines, and interfaces, driving innovation and efficiency
• Build user-facing backend features to optimize performance and reliability, enhancing user experience
• Elevate BTO Oncology’s backend systems, including the test order record database, third-party integrations, test scheduling and reports management software, and distributed systems architecture, to ensure they meet the highest standards
• Foster a knowledge sharing culture within the team, contributing to the growth and development of colleagues through mentorship and collaborative learning
• 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

Preferred Qualifications

• Experience in healthcare-related software or a passion for improving healthcare systems
• Familiarity with healthcare data standards, such as FHIR and HL7
• Experience with medical software and authoring technical verification / validation reports

Benefits

• 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)
• 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