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 the 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 or 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.

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.