# Senior Software Engineer - Company: [Outersignal]() - Location: New York City - Remote: Yes - Team: Engineering - Employment type: Full Time - Salary: $200K – $300K - Posted: December 5, 2025 ## Job description **About OuterSignal** We are building the customer intelligence layer for commerce. Brands know when an order comes in, but they only see ~5% of the real story. We show them the other 95%: not just who bought, but who that person *is -* the execs, influencers, journalists, retail buyers, investors, and everyday customers who become a brand’s best evangelists. Our platform enriches every order in real time with professional + personal signals, unlocks personas, and powers everything from surprise-and-delight outreach to smarter email flows, analytics, and BD leads. We're a small, high-performing team building the category-defining platform for e-commerce customer intelligence, backed by a world-class investor base. **What You’ll 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** to make customer profiles smarter, faster, and searchable in real time * 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 **Who You Are:** * 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)**, with some **Python/ML** exposure a plus * Experience with **vector databases (Pinecone, Weaviate, pgvector, etc.)** and **RAG architectures** * Comfortable designing schemas + scaling Postgres * Bonus if you’ve built around **LLMs, Shopify apps, or data-privacy frameworks** * **Most importantly: you want ownership. You like to build quickly, solve “figure-it-out” problems, and aren’t afraid of messy early-stage work.** **Why Join Now:** * **Early seat**: This is shaping the DNA of OuterSignal’s engineering org. * **Massive upside**: Meaningful equity in a venture-backed company defining a new SaaS category * **High leverage work**: You’ll see your code directly impact customers, revenue, and growth * **Big surface area**: From AI pipelines to Shopify apps to RAG/vector search infra, you’ll touch it all * **Right moment**: We’re past prototype, real brands already rely on us and have PMF, but the ceiling is wide open ## Apply [Apply on Outersignal]() Canonical job page: