Senior Software Engineer React & Node Hudson Yards, NYC (Onsite) - Motion Recruitment : Job Details

Senior Software Engineer | AI-Powered Fintech | NYC Onsite A venture-backed startup in New York is transforming how consumer brands manage their finances. By pairing experienced accountants with modern AI automation, they deliver real-time, product-level financial clarity-turning messy workflows into effortless, audit-ready insights. Backed by top-tier investors including Lux, Construct, and Asymmetric, they're rethinking the financial back office from the ground up. They're now looking for a Senior Software Engineer to join their small but growing team. This is a high-impact, product-facing role reporting directly to the CEO. You'll work cross-functionally, own architecture decisions, and help scale the MVP into a robust platform. Ideal for engineers who thrive in early-stage environments and want to see their work directly impact customers. What You'll Do

• Design and build core systems that automate inventory accounting and generate real-time financial insights
• Collaborate directly with customers and the team to define product requirements and ship meaningful features
• Architect and develop real-time systems using GraphQL, WebSockets, and PubSub
• Build AI-powered data pipelines to extract and classify unstructured supply chain data
• Develop integrations with platforms like Shopify, Amazon, QuickBooks, and logistics providers
• Own infrastructure for multi-tenant, enterprise-grade features with secure data isolation
• Lead technical decisions across backend, data processing, and product architecture

What They're Looking For

• 5+ years of full-stack engineering experience, ideally in finance, supply chain, or B2B SaaS
• Proficient with: TypeScript, NestJS, GraphQL, Next.js, PostgreSQL, Redis
• Experience with real-time data systems and event-driven architectures
• Familiarity with AI/ML integrations (OCR, document parsing, content extraction)
• Strong understanding of multi-tenant architecture and enterprise security best practices
• Comfortable working in ambiguous, fast-moving environments with product-minded teams
• Bonus: Background in inventory systems, accounting tools, or general ledger tech

Why Join

• Competitive salary + equity
• Onsite in NYC (5 days/week in-office)
• Unlimited vacation (15 days encouraged)
• Full medical, dental, and vision coverage
• Early seat at a company tackling a massive market with cutting-edge tech

If you're excited to help shape the technical foundation of a high-growth startup and want to build tools that give founders financial superpowers, this team wants to talk. #LI-HM5 Posted by: Henry Mills Specialization :

• Javascript