AI Developer

Block LLP is seeking a hands-on AI Developer to design, build, and maintain AI-powered applications, automations, and integrations that support day-to-day firm operations and legal workflows. This role covers everything from prototype development to deployment and continuous improvement, with a focus on reliable, secure solutions.

Role Responsibilities

• Design, build, test, and maintain internal AI-powered applications and tools.
• Develop solutions using large language models (LLMs) and platforms such as OpenAI, Anthropic Claude, Gemini, or comparable technologies.
• Build AI assistants and agents to support legal and operational workflows across the firm.
• Create tools for document analysis, information extraction, summarization, internal knowledge retrieval, and workflow automation.
• Deliver projects from initial prototype through testing, deployment, and ongoing improvement.
• Develop AI agents capable of completing multi-step tasks and interacting with firm systems.
• Build retrieval-augmented generation (RAG) solutions that securely retrieve information from internal documents and knowledge sources.
• Create and optimize prompts, agent instructions, tool integrations, and AI workflows.
• Implement processes to evaluate AI outputs for accuracy, consistency, and reliability.
• Improve existing AI applications using employee feedback, usage data, and performance signals.
• Build integrations between AI applications and existing firm software using APIs, webhooks, and other integration methods.
• Connect AI tools with business systems, databases, document repositories, and third-party applications.
• Develop automated workflows that securely move information between systems and reduce manual effort.
• Use automation platforms such as n8n, Make, Zapier, or comparable technologies when appropriate.
• Troubleshoot and maintain integrations as systems and business needs evolve.
• Write clean, maintainable, well-documented code.
• Develop primarily in Python and/or JavaScript/TypeScript.
• Work with structured and unstructured data, databases, APIs, and common business file formats.
• Use source control and development best practices to manage code and application changes.
• Test, troubleshoot, monitor, and maintain applications after deployment.
• Build solutions with appropriate security, privacy, and access controls for sensitive legal and client information.
• Partner with the AI Implementation team, leadership, attorneys, and staff to understand workflow challenges and translate them into technical solutions.
• Evaluate technical feasibility of proposed AI initiatives.
• Prototype ideas quickly and determine whether they can become reliable, scalable internal tools.
• Research emerging AI technologies, frameworks, and platforms that could benefit the firm.
• Explain technical concepts, limitations, and recommendations clearly to non-technical stakeholders.
• Document systems, integrations, and development processes to support long-term maintenance and scalability.

Requirements

• 2+ years of professional software development, AI development, automation development, or closely related technical experience.
• Strong working proficiency with Python and/or JavaScript/TypeScript.
• Hands-on experience with large language models or generative AI APIs such as OpenAI, Anthropic Claude, Gemini, or comparable platforms.
• Experience building APIs, integrations, automations, or internal software applications.
• Understanding of REST APIs, webhooks, databases, and modern software development concepts.
• Experience taking technical projects from concept or prototype through implementation.
• Strong troubleshooting, analytical, and problem-solving skills.
• Ability to work independently in an environment where requirements may evolve as solutions are tested.
• Strong communication skills and ability to collaborate with technical and non-technical team members.

Technology Stack

• Python
• JavaScript
• TypeScript
• OpenAI
• Anthropic Claude
• Gemini
• REST APIs
• webhooks
• n8n
• Make
• Zapier
• LangChain
• LangGraph
• LlamaIndex
• vector databases
• embeddings
• semantic search
• SQL
• Azure
• AWS
• Google Cloud
• Git

Benefits

• Opportunity to help build the firm's AI capabilities from the ground up.
• Direct collaboration with firm leadership and key decision-makers.
• High-impact role with visibility across the organization.
• 9 paid firm holidays annually, plus additional time off.
• 401(k) retirement program.
• Career growth and advancement opportunities.

Preferred Qualifications

• Experience developing AI agents or multi-step agentic workflows.
• Experience building retrieval-augmented generation (RAG) applications.
• Familiarity with vector databases, embeddings, and semantic search.
• Experience with frameworks such as LangChain, LangGraph, LlamaIndex, or comparable AI development tools.
• Experience with automation platforms such as n8n, Make, Zapier, or similar technologies.
• Familiarity with SQL and relational databases.
• Experience working with cloud platforms such as Azure, AWS, or Google Cloud.
• Experience with Git or similar version-control systems.
• Experience developing applications involving document processing, document management, or large volumes of unstructured data.
• Experience working in a law firm, legal technology, professional services, or another environment handling confidential information is a plus.

Location, Employment Type, and Compensation

• Location: Burbank, CA (onsite)
• Employment Type: Full-Time
• Compensation: USD 80,000 - 130,000 per yearly