Senior Software Engineer - Commercial - #4978

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Senior Software Engineer - Commercial - #4978 in USA new

GRAIL
Full time
Email

USA
10/14/2026
Report

Sunnyvale, CA

Responsibilities

Design, build, operate, and support backend services and distributed systems for GRAIL’s commercial offerings.
Own features and services from technical design through implementation, testing, deployment, and production support.
Build and maintain React interfaces for patients, clinicians, and internal clinical operations teams.
Lead technical design for projects, resolve ambiguous requirements, and advise senior stakeholders.
Write automated tests and test protocols appropriate for regulated healthcare software.
Improve reliability and observability, participate in on-call and incident response, and drive remediation.
Raise engineering quality through code review, pairing, mentorship, and improvements to tooling, CI/CD pipelines, and development practices.

Requirements

Bachelor’s degree in Computer Science, Electrical Engineering, Bioinformatics, or a similar technical field with 5+ years of related experience; alternatively, a master’s degree with 2+ years, a PhD, or equivalent experience.
Professional experience designing, developing, testing, and maintaining production backend or full-stack applications.
Experience building and operating services on AWS, GCP, or Azure.
Proficiency in at least one backend language such as Go, Java, Python, or C++.
Experience with production Go, gRPC-based service communication, React, AWS, Terraform, Kubernetes, and Docker.
Experience designing and scaling microservice architectures, including service boundaries, versioning, and backward compatibility.
Working knowledge of PostgreSQL or MySQL, schema design, query performance, and Redis caching layers.
Experience with CI/CD pipelines, automated testing strategies, and agile development practices.
Experience building software in healthcare or another regulated domain, including HIPAA, PHI handling, or software quality and validation requirements.
Experience with observability and reliability tooling, improving system uptime, mentoring engineers, or leading small project teams.
Strong written and verbal communication skills and a demonstrated passion for practical, high-quality software.

GRAIL

GRAIL develops blood-based tests for early cancer detection using next-generation sequencing and machine learning. Its flagship product, Galleri, is a multi-cancer early detection test offered through physicians and health systems, with commercialization supported by large population-scale clinic...

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