Jobs · Engineering · New York

Software Engineer (AI)

Numeral · New York, NY · Yesterday
HybridEngineering$57/hrFull-time

About The Role

We're looking for a Foundational AI Engineer who thrives in ambiguity, enjoys building real-world AI systems end-to-end, and wants to define the technical and architectural foundations of an early-stage startup. This is a hands-on role for someone who wants to design and implement LLM-powered automation systems: model orchestration, tool calling, MCP-style integrations, agentic workflows, and automation-driven tooling.

What You’ll Do

  • Design, build, and operate production AI systems, including tool-calling agents, model orchestration layers, and RAG.
  • Implement and maintain AI integrations using modern frameworks, MCP servers, and external model providers.
  • Build and evolve scalable backend services and APIs that power automated workflows and customer-facing features.
  • Think in automation and workflows: design systems using tools like n8n, Claude Code-style agents, or similar orchestration approaches.
  • Make architectural decisions that balance latency, cost, reliability, and iteration speed.
  • Own infrastructure, observability, and performance for both AI and non-AI services.
  • Collaborate closely with product, design, and data teams to ship features that solve real customer problems.
  • Help define engineering best practices, AI safety/reliability norms, and our overall technical culture.

What You’ll Bring

  • 7+ years of experience building products in high-growth environments.
  • 2+ years of experience building with LLMs.
  • Avid use of state-of-the-art AI development tools such as Cursor and Claude Code.
  • Fluency with backend technologies like PostgreSQL, Redis, and cloud services (AWS preferred).
  • Experience with frontend development, especially TypeScript and its ecosystem.
  • Strong product sense, balancing performance, flexibility, and speed.
  • Comfortable working in dynamic startup environments with evolving needs.
  • Excellent communication and collaboration skills.
  • Startup mindset: Not scared of ambiguity and hungry for rapid growth.
  • Intensity & Ownership: This is not a 9-5 — we're scaling rapidly and have a massive opportunity ahead of us.
  • Customer Obsession: You deeply care about the user experience and solving their problems.

Even Better

  • Experience in payments, tax, accounting, or regulatory tech.
  • Experience with automation tools (n8n, Zapier-style systems, workflow engines) or building internal automation platforms.
  • Familiarity with MCPs, tool calls, agent frameworks, or model orchestration patterns.
  • Understanding of vector databases and concepts (such as Pinecone, HNSW).

What We Offer

  • Competitive salary and equity - you’ll share directly in the company’s success.
  • Full medical, dental, and vision coverage.
  • Wellness perks like Headspace and the Peloton One App.
  • 401(k) to help you build long-term financial security.
  • Lunch and snacks when you’re in the office.
  • Regular team offsites and company events as we grow.
  • A culture built on ownership - your work matters and people will see it!

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