Note: The job is a remote job and is open to candidates in USA. OuterSignal is building the customer intelligence layer for commerce, providing brands with deeper insights into their customers. The Senior Software Engineer will architect and own core systems, build microservices, and integrate advanced databases to enhance customer profiles and drive product development.
Responsibilities
- 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
Skills
- 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
- Most importantly: you want ownership. You like to build quickly, solve 'figure-it-out' problems, and aren't afraid of messy early-stage work
- Bonus if you've built around LLMs, Shopify apps, or data-privacy frameworks
Benefits
- Meaningful equity in a venture-backed company defining a new SaaS category
Company Overview