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Founding AI Engineer

Vector Legal· Engineering / AI
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Hybrid (San Francisco)$120k - $180k + equityFull-timePosted 3mo ago

About the role

AI Engineer role at Vector Legal to design, build, and deploy production-grade LLM systems powering a legal platform. Focus on applied AI, agent-driven workflows over documents, messages, and structured data, with emphasis on reliability, correctness, and real-world usability.

Responsibilities

  • Design and deploy LLM-powered systems for document understanding, drafting, and workflow automation
  • Build and orchestrate agent-based systems (e.g., LangChain / Deep Agents) for complex, multi-step tasks
  • Develop and maintain evaluation frameworks to measure accuracy, reliability, and regressions
  • Implement data pipelines for ingesting and structuring documents (including OCR workflows)
  • Improve system performance through prompt design, retrieval strategies, and tool integration
  • Work closely with product and engineering to translate legal workflows into AI-native systems
  • Debug and optimize long-running agent jobs and failure modes in production
  • Contribute to overall AI architecture, including memory, context management, and retrieval layers

Qualifications

  • 3–7 years of engineering experience, or a strong track record building and shipping AI systems (excluding internships)
  • Proficiency in TypeScript and experience building production backend systems
  • Hands-on experience with LLM frameworks (e.g., LangChain) and agent architectures
  • Experience designing and running evals (benchmarks, test sets, regression tracking)
  • Familiarity with document processing pipelines, including OCR and unstructured data extraction
  • Strong understanding of prompt engineering, retrieval (RAG), and tool-augmented generation
  • Ability to operate in ambiguous, fast-moving environments and own systems end-to-end
  • Startup or high-velocity experience preferred

Skills

Required:TypeScriptLLM frameworks (e.g., LangChain)Agent-oriented AI / AI agentsDocument processing pipelines (OCR, unstructured data extraction)Prompt engineering, retrieval (RAG), tool-augmented generation

Benefits

  • Not specified in description
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About Vector Legal

Full service ai law firm & software solution, for startups

A modern solution for Startup legal: we are a premier, full service, hybrid AI law firm & legal tech platform. Customers get software + white glove lawyer support for maximum value on each legal matter. Services: fundraise & priced rounds | customer contracts | complex formations | grow your team | agentic data rooms | e-signatures | cap table management | legal health checks | mergers & acquisitions | co-founder separations | dissolutions.

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