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Freddie Mac

Buys home loans from lenders and sells them as bonds

Technology Strategy Technical Lead

AI Application EngineeringPosted on Nov 9
Full-timeMcLean, VA, USAIn-person

About the Job

Requirements

  • 8–10+ years of software, data, or machine learning engineering experience, including 3+ years providing technical leadership for complex engineering teams or initiatives.
  • A Bachelor's degree in Computer Science, Engineering, Data Science, or a related technical field, or equivalent experience; an advanced degree is preferred.
  • Proven experience designing and delivering production generative AI or artificial intelligence/machine learning systems at enterprise scale, with recent hands-on coding and technical design experience.
  • Strong proficiency in modern cloud-native engineering, including Python, TypeScript/JavaScript, or Java; APIs, microservices, containers, distributed systems, continuous integration/continuous delivery, and infrastructure as code.
  • Hands-on knowledge of large language model application patterns, including prompting, retrieval-augmented generation, embeddings, vector search, orchestration, tool calling, agents, structured outputs, and model evaluation.
  • Experience designing for security, privacy, identity, data governance, resiliency, auditability, and responsible AI in a regulated enterprise environment.

Responsibilities

  • Provide hands-on technical leadership for the architecture, design, and delivery of FredAI capabilities, building production generative AI applications using foundation models, retrieval-augmented generation, embeddings, vector search, orchestration, tool calling, and agentic workflows.
  • Design and implement reusable reference architectures, software development kits, shared services, application programming interfaces, and integration patterns that accelerate delivery across multiple product teams.
  • Implement evaluation, testing, and large language model operations practices, including offline benchmarks, regression suites, groundedness and hallucination measures, continuous integration and delivery, versioning, observability, tracing, incident response, and rollback.
  • Engineer secure, permission-aware solutions that enforce identity, entitlements, data boundaries, privacy, human approvals, audit logging, and responsible AI policies.
  • Define model and platform integration patterns, including model selection and routing, structured outputs, caching, rate limiting, fallback strategies, token budgets, circuit-breaker controls, and cost management.
  • Partner with cloud, platform, data, and security teams, and with the GenAI Program Manager, to integrate GenAI services with enterprise systems, translate business needs into governed technical solutions, and resolve cross-team engineering dependencies.
  • Provide technical direction, code and design reviews, mentoring, and hands-on problem solving for GenAI, software, platform, and quality engineers.
  • Own technical and product-quality outcomes, including availability, latency, throughput, task completion, developer productivity, and cost per successful outcome, and drive corrective actions when targets are not met.

Desired Qualifications

  • An advanced degree.

About the Company

Freddie Mac

Buys home loans from lenders and sells them as bonds

Freddie Mac buys home and apartment loans from banks, credit unions and other lenders so they have fresh money to keep lending to American homebuyers and renters. Congress created it to bring liquidity, stability and affordability to the U.S. housing market, and it sits with Fannie Mae at the center of the country's mortgage system. It never lends to borrowers directly; instead it purchases loans that meet its standards, pools them into mortgage-backed securities sold to investors worldwide, and guarantees the payments. It earns money from guarantee fees and interest on the loans it holds. Freddie Mac was chartered in 1970 and is based in McLean, Virginia.

Company size
5,001-10,000
Company stage
IPO
Headquarters
McLean, VA
Founded
1970

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