Senior Software Engineer - Commercial - #4978

Responsibilities

• Design, build, and operate backend services and distributed systems that power GRAIL's commercial offerings for the Galleri® test, including my.grail.com and provider.grail.com.
• Own features and services end to end, from technical design through implementation, testing, deployment, and production support.
• Contribute across the stack, building and maintaining React interfaces used by patients, clinicians, and internal clinical operations teams.
• Lead the technical design of projects of diverse scope, working independently and bringing designs forward for review at critical decision points.
• Devise solutions where precedent is limited, adapting existing approaches and exercising judgment to select the right course of action.
• Partner with product managers, clinical operations, and other engineering teams to turn ambiguous requirements into clear technical plans, advising senior stakeholders who may not share your technical background and adapting how you communicate to the audience.
• Write and maintain automated tests and test protocols appropriate for software operating in a regulated healthcare environment.
• Improve the reliability and observability of the systems you own, participating in on-call rotation, incident response, and follow-up remediation.
• Raise engineering quality on the team through code review, pairing, and mentorship of less experienced engineers.
• Identify and drive improvements to our tooling, CI/CD pipelines, and development practices.
• These responsibilities summarize the role's primary responsibilities and are not an exhaustive list. They may change at the company's discretion.

Required Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, Bioinformatics, or a similar technical field with 5+ years of related experience, or a Master's degree with 2+ years of related experience, or a PhD, or equivalent experience.
• Professional experience designing, developing, testing, and maintaining production backend or full-stack applications.
• Professional experience building and operating services on a major cloud platform such as AWS, GCP, or Azure.
• Proficiency in at least one backend programming language such as Go, Java, Python, or C++.
• Strong professional written and verbal communication skills.

Preferred Qualifications

• Experience writing production Go, and experience with gRPC-based service communication.
• Experience building and maintaining production React applications.
• Hands-on experience with AWS specifically, including infrastructure as code using Terraform.
• Experience operating containerized workloads with Kubernetes and Docker in production.
• Experience designing and scaling microservice architectures, including service boundaries, versioning, and backward compatibility.
• Strong working knowledge of relational databases such as PostgreSQL or MySQL, including schema design and query performance, and of caching layers such as Redis.
• Experience with CI/CD pipelines, automated testing strategies, and agile development practices.
• Experience building software in healthcare or another regulated domain, including familiarity with HIPAA, PHI handling, or software quality and validation requirements.
• Experience with observability and reliability tooling, and a track record of improving system uptime.
• Experience mentoring engineers or leading small project teams.
• A demonstrated passion for designing and building practical, high-quality software, and a desire to add value to the team.
• Additional information
• The expected, full-time, annual base pay scale for this position is $169K- $180K.

Additional information