Principal Software Engineer - Tech Lead

Principal Software Engineer – Technical Lead – Santa Clara, CA

• Bring technical ownership of a platform as a product and ship scalable APIs, SDKs, CLIs, and UIs that make the ML platform easy to adopt and accelerate surgical AI.
• Build shared ML infrastructure with the platform infrastructure team and other principal engineers for core components such as Serving Layer, Model Registry, Pipeline Orchestrator, and Training/Inference control planes.
• Design great developer experiences with defined templates, golden paths, opinionated defaults, and clear documentation to reduce time to first production.
• Develop instrumentation to measure adoption, friction, reliability, and cost; use data to prioritize roadmap and validate outcomes.
• Partner across organizations (ML Engineering, Data Science, Infra/SRE, Security, Finance) to optimize performance, safety, and spend, especially for GPU‑intensive training and high‑QPS inference.
• Stay up‑to‑date with industry trends in machine learning and infrastructure to ensure the adoption of groundbreaking technologies and practices.

• Bachelor’s or MS degree in Computer Science, Computer Engineering, Data Science, or a similar technical field.
• 5+ years of system design experience to build a scalable, reliable ML platform.
• Proficiency in API design and developer experience—gRPC/REST APIs, SDKs, CLIs, and simple UIs that developers love to use.
• Experience with the end‑to‑end ML model lifecycle (model serving, training, CI/CD, GPU resource management) and have built ML platform features that are user‑friendly.

• Innovation
• Mentorship
• Model‑Based Systems Engineering (MBSE)
• Project Management
• Report Writing
• Requirements Analysis
• Research and Development
• Researching
• SAP Product Lifecycle Management
• Scripting Languages
• Software Acquisitions
• Software Development Management
• Software Engineering Practices
• Software Quality Assurance (SQA)
• Systems Development Lifecycle (SDLC)
• Tactical Planning
• Technical Credibility
• Technologically Savvy

$ – $

• Vacation – 120 hours per calendar year
• Sick time – 40 hours per calendar year (48 hours for Colorado, 56 hours for Washington)
• Holiday pay, including floating holidays – 13 days per calendar year
• Work, Personal and Family Time – up to 40 hours per calendar year
• Parental Leave – 480 hours within one year of birth/adoption/foster care of a child
• Bereavement Leave – 240 hours for an immediate family member (40 hours for an extended family member per calendar year)
• Caregiver Leave – 80 hours in a 52‑week rolling period (10 days)
• Volunteer Leave – 32 hours per calendar year
• Military Spouse Time‑Off – 80 hours per calendar year

Johnson & Johnson is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status and will not be discriminated against on the basis of disability.