Backend Software Engineer

Backend Software Engineer Location: Hybrid: New York City, Portland, Boise, or Bozeman Successful applicants must be legally authorized to work in the U.S. on a full-time, permanent basis. The client is unable to provide sponsorship for employment visas now or at any point in the future. Candidates who will require visa sponsorship to maintain employment eligibility down the road will not be considered. About the Company Our client is a fast-growing, VC-backed B2B AI software company building technology that helps go-to-market teams better understand and act on buyer intelligence. The company grew ARR 10x in 2025, works with major enterprise customers, and has a team of approximately 20 people. The Role Backend Software Engineer to build the services, APIs, integrations, and data pipelines behind a rapidly growing AI-enabled SaaS platform. You’ll work across backend systems and third-party integrations, moving and transforming data between platforms and building the infrastructure that supports customer-facing features and LLM-powered workflows. This is a hands-on role for someone who enjoys solving messy data and integration problems and building reliable systems in a fast-moving startup. What You’ll Do Build and maintain backend services, APIs, and data modelsDevelop integrations with third-party platforms using APIs and webhooksBuild pipelines to ingest, transform, normalize, and synchronize structured and unstructured dataDesign reliable background jobs and asynchronous workflowsSupport search, analytics, and AI/LLM-powered product capabilitiesImprove system reliability, performance, observability, and scalabilityWork closely with product and engineering to solve ambiguous technical problems and evolve the backend architectureEnjoy the challenge, work with great people, and have fun What We’re Looking For 4+ years of backend, platform, or infrastructure-focused engineering experienceStrong TypeScript and Node.js experience building production backend systemsExperience designing APIs, working with databases, and making sound data-modeling decisionsExperience with third-party integrations, webhooks, rate limits, retries, and asynchronous processingExperience moving and transforming data across systemsStrong understanding of failure modes, idempotency, observability, and reliabilityComfortable making pragmatic technical tradeoffs in an early-stage environmentBun experience may be of interest but not necessary Benefits Medical, dental, and vision insurance, with 90% of employee and 75% of dependent premiums covered401(k) with 3% company matchUnlimited PTO and 18 company holidays12 weeks paid parental leaveFlexible hybrid environment with no mandated number of in-office daysRegular in-person team and company gatherings