Principal AI Software Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Take ownership of intricate AI and platform projects from inception to completion, providing business-oriented functionalities while enhancing the foundational context and agent platform.

• Design, construct, and sustain agent-driven workflows for loan intake, document examination, and servicing processes.

• Develop new platform patterns and capabilities by outlining methodologies, validating them through production use cases, and scaling for wider adoption.

• Direct model selection and routing based on factors such as cost, latency, and quality.

• Advance solutions as new models and features become accessible.

• Create interfaces and capabilities for other teams, including MCP tool servers, agent transitions, subagents, long-running states, and human-in-the-loop checkpoints.

• Implement evaluation and reliability standards, including evaluation sets, LLM-as-judge methodologies, regression testing, and ongoing performance assessment.

• Recognize risks, make technical compromises, and escalate issues when necessary.

• Work collaboratively with and mentor peers to elevate the engineering standards.

• Contribute to Atlas, WDTech’s AI collaboration platform that facilitates reusable skills, agents, and AI functionalities.

• Execute additional responsibilities as assigned.

⛳️ Requirements

• Over 12 years of software development experience, including senior individual contributor roles in delivering production systems.

• Bachelor’s or master’s degree in Computer Science or a related discipline, or equivalent experience.

• Extensive experience in delivering production AI/ML systems, including LLM-driven applications and agentic workflows.

• Profound experience with contemporary agent frameworks and SDKs such as Claude Agent SDK, LangGraph, Pydantic AI, MCP, and A2A.

• Experience in prompt and context engineering, including RAG, embeddings, hybrid search, and reranking.

• Familiarity with model evaluation, observability, and safety measures for production AI systems.

• Experience utilizing agentic development tools, including skills, subagents, and harness configurations.

• Preferred experience in Real Estate, Financial Services, or Capital Markets.

• High proficiency in Python and modern backend frameworks such as FastAPI.

• Strong expertise in SQL databases, covering schema design, query optimization, and performance enhancement.

• Experience in testing non-deterministic systems, including LLM call fixtures, evaluation suites, and strategies for managing flaky behavior.

• Sound judgment in determining which functionalities should be part of a shared platform versus individual applications.

• Capability to effectively navigate ambiguity, identify emergent patterns, and independently progress from business problem identification to solution delivery.

• Familiarity with Event Sourcing and Domain-Driven Design principles.

• Excellent verbal and written communication abilities.

• Demonstrated ownership of work, willingness to embrace challenges, recognition of growth opportunities, and patience in learning new processes.

• Courtesy, respect, and thoughtfulness in collaboration with colleagues and stakeholders.

🏝️ Benefits

• Up to 83% subsidized medical payroll deductions.

• Competitive dental and vision benefits.

• 401(k) with matching contributions.

• Pre-tax transit and commuting benefits.

• Comprehensive health and wellness program featuring cash rewards and resources for health, engagement, and balance.

• Paid maternity and parental leave.

• Additional family paid leave programs.

• Company-funded life insurance, short-term disability, and long-term disability insurance.

• Health Savings Account.

• Flexible Spending Accounts for healthcare and dependent care.

• Opportunities for career development.

• Volunteer hours and donation matching.

• Chance to be part of one of Fortune Magazine’s Great Places to Work winners.