Senior Software Engineer

The role

You will architect and own core systems that process millions of orders across APIs and LLM pipelines. You will build queue-based microservices and integrate vector databases and RAG pipelines.

What you will do

• Architect and own core systems that process millions of orders across APIs and LLM pipelines
• Build queue-based microservices using Redis, Node.js, Typescript, Postgres, Docker/K8s, Vercel
• Integrate vector databases + RAG pipelines
• Ship features end-to-end: APIs, dashboards, integrations (Shopify, Klaviyo, Slack, Zapier, Gorgias)
• Keep us ahead on privacy & compliance
• Work directly with Founding Team on roadmap, product direction, and hiring future engineers

Required qualifications

• 5+ years engineering experience, ideally with backend infra + distributed systems
• Experience in a fast-paced startup or willingness to dive in to a dynamic, changing environment
• Fluent in JS/TS (Node)
• Experience with vector databases (Pinecone, Weaviate, pgvector, etc.) and RAG architectures
• Comfortable designing schemas + scaling Postgres
• You want ownership
• You like to build quickly, solve "figure-it-out" problems, and aren't afraid of messy early-stage work

Nice to have

• Python/ML exposure
• Built around LLMs
• Shopify apps
• Data-privacy frameworks

Benefits

• Early seat: This is shaping the DNA of OuterSignal's engineering org
• Massive upside: Meaningful equity in a venture-backed company
• High leverage work
• Big surface area

About the company

OuterSignal is building the customer intelligence layer for commerce. They are a small, high-performing team building a platform for e-commerce customer intelligence.