Remote Principal Software Engineer - AI Platforms & Communications

Description:

• Weave is searching for a Principal Engineer who can set technical vision, drive cross-team execution, and mentor engineers while solving hard, high-scale problems.
• You will architect and evolve the AI platform that powers our voice, text, and email products.
• The role involves bringing together LLMs, retrieval-augmented generation (RAG), vector search, and multi-tenant data pipelines to help millions of providers serve hundreds of millions of patients every day.
• This position will be fully remote in the US, with an option to work from Lehi, UT HQ.
• The position reports to the SVP of Engineering.
• Responsibilities include setting architecture and strategy for multi-tenant, AI-powered communications services, designing and building RAG pipelines, leading end-to-end platform initiatives, championing best practices for LLM safety, influencing roadmaps across teams, and mentoring senior and staff engineers.

Requirements:

• A minimum of 10 years of experience building distributed, customer-facing systems, with at least 3 years of experience designing ML or LLM production workloads at scale.
• Proven success with LLMs, RAG architectures, vector databases (e.g., Pinecone, Weaviate, PG Vector), embedding models, and fine-tuning techniques.
• Deep knowledge of multi-tenant SaaS patterns, data isolation, and usage-based cost modeling.
• Fluency in at least one of Go, Python, or Java, with a preference for Go/Python, along with experience in modern cloud stacks (GCP or AWS).
• Experience integrating or operating communications stacks, including SIP/WebRTC for voice, SMS gateways, and transactional email services.
• Expertise in Kubernetes, Infrastructure as Code (IaC)/GitOps, observability, and CI/CD for high-compliance environments (HIPAA/PCI).
• A track record of shipping large, cross-organizational initiatives on time and mentoring others to do the same.

Benefits:

• Weave is an equal opportunity employer committed to fostering an inclusive workplace where all individuals are valued and supported.
• The company welcomes anyone who is eager to learn, problem-solve, and progress, regardless of various legally protected characteristics.
• Accommodations are available for individuals with disabilities or special needs.
• All official correspondence will occur through Weave branded email, ensuring a secure hiring process.