Senior Software Engineer
At a glance
Senior Software Engineering role at OuterSignal. New York · full-time · $200,000–$300,000 base.
techroles summary, based on the employer's posting.
What you'll do
- Design and take responsibility for systems that handle large order volumes through APIs and LLM pipelines
- Build Redis- and Node.js-based services that use queues, with the listed databases and deployment tools
- Connect vector storage and retrieval-augmented generation so customer records can be searched and improved in real time
- Deliver product work across APIs, dashboards and integrations such as Shopify, Klaviyo and Slack
- Work with the founding team on product plans, technical direction, hiring and privacy compliance
What you bring
- At least five years of software engineering experience, preferably in backend infrastructure or distributed systems
- Strong JavaScript or TypeScript skills with Node.js
- Hands-on familiarity with vector databases and retrieval-augmented generation systems
- Ability to design data schemas and scale PostgreSQL
Who this fits
This senior engineering role suits someone who wants broad ownership and is comfortable moving quickly through changing, early-stage work. You’ll work directly with the founding team and help shape engineering direction. The role is hybrid in New York.
From the employer
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
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Software Engineering$200k+
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