Numeral
Software Engineer (AI)
New York (hybrid)
Sponsorship not specifiedDetected 175 days ago
TypeScriptBackend DevelopmentPostgreSQLRedisVector DatabasesAWSLLMsDesign SystemsAccountingAvidCommunicationCollaboration
About the role
- Numeral is transforming how taxes get done. Digital businesses are currently bogged down by a painful web of regulations across 47 states and 70+ countries. We're eliminating this burden so teams can focus on their core mission.
- We're the largest and fastest-growing AI-native tax solution. Started in 2023, Numeral has raised over $57M from Benchmark, Mayfield, Y-Combinator, and many others. We now serve over 3,000 paying customers and have more than tripled our revenue every year in our history.
Responsibilities
- 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.
- 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.
- 401(k) to help you build long-term financial security
Requirements
- 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.
Nice to have
- 7+ years of experience building products in high-growth environments.
- 2+ years of experience building with LLMs.
- 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.
Skills
- Make architectural decisions that balance latency, cost, reliability, and iteration speed.
- Help define engineering best practices, AI safety/reliability norms, and our overall technical culture.
- Avid use of state-of-the-art AI development tools such as Cursor and Claude Code.
- Excellent communication and collaboration skills.
- Understanding of vector databases and concepts (such as Pinecone, HNSW).
Compensation
- Competitive salary and equity - you'll share directly in the company's success
Benefits
- 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
Company info
- Numeral is transforming how taxes get done.
- Digital businesses are currently bogged down by a painful web of regulations across 47 states and 70+ countries.
- We're eliminating this burden so teams can focus on their core mission.
- We're the largest and fastest-growing AI-native tax solution.
- Started in 2023, Numeral has raised over $57M from Benchmark, Mayfield, Y-Combinator, and many others.
- We now serve over 3,000 paying customers and have more than tripled our revenue every year in our history.
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This listing is sourced directly from Numeral's careers page and normalized into a canonical job model.