Software Engineer, Recommendation Systems

Summary:Meta is seeking a distinguished Software Engineer with deep machine learning expertise to drive transformative advances across Meta's AI-powered products and platforms. In this role, you will operate at the intersection of foundational ML research and large-scale production systems, shaping the technical direction of machine learning infrastructure, modeling, and applied AI across the organization. You will identify and solve the hardest ML systems challenges, define architectural standards, and leverage AI-native approaches to unlock step-change improvements in how Meta builds and deploys intelligent systems at global scale.Required Skills:Software Engineer, Recommendation Systems Responsibilities:Define and own the technical architecture of critical machine learning systems, including model training pipelines, inference infrastructure, and feature engineering platforms, ensuring reliability and scalability across billions of usersIdentify and solve the most complex ML systems challenges across multiple product areas, including issues that span model quality, training efficiency, serving latency, and data integrityDevelop and establish extensible ML frameworks, modeling standards, and engineering practices that drive consistency and velocity across multiple engineering organizationsLead cross-functional technical strategy for machine learning initiatives, aligning research, infrastructure, and product teams around multi-year roadmaps that balance short-term delivery with long-term architectural healthApply AI-native workflows and tooling as a force multiplier to accelerate model development cycles, automate evaluation pipelines, and expand the scope of what engineering teams can deliverDefine new metrics and data-driven decision-making principles for long-term ML projects, connecting model performance signals to organization-level business outcomesProactively identify systemic reliability, privacy, and integrity risks in ML systems and build robust technical safeguards, partnering with compliance and policy teams to ensure responsible AI deploymentMentor engineers across the organization on ML systems design, debugging complex model behavior, and building production-grade AI systems, establishing yourself as a sought-after technical coach and technical leaderDrive performance improvements across large-scale ML systems by identifying bottlenecks that span training, data loading, model serving, and hardware utilization, and leading cross-org efforts to resolve themInfluence the broader ML engineering community through technical publications, design frameworks, and cross-industry engagement that advances the fieldMinimum Qualifications:Minimum Qualifications:Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience12+ years of experience designing, building, and deploying large-scale machine learning systems in production environmentsExperience architecting end-to-end ML platforms spanning data pipelines, distributed training, model evaluation, and low-latency inference servingExperience identifying and resolving complex, cross-system ML failures including issues in model quality, training stability, feature consistency, and serving correctnessExperience defining technical strategy and gaining organizational alignment across multiple engineering teams and cross-functional stakeholdersExperience communicating complex ML system designs and trade-offs in writing to both technical and non-technical audiences, including executive leadershipPreferred Qualifications:Preferred Qualifications:Experience building AI-native developer tooling or automation that measurably accelerates ML experimentation and production deployment cyclesDemonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)Experience applying ML to multiple product domains such as ranking and recommendation, generative AI, computer vision, or natural language understandingTrack record of industry-recognized contributions to machine learning systems, such as publications, open-source frameworks, or widely adopted architectural patternsExperience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologiesExperience with large-scale foundation model training, fine-tuning, or inference optimization across distributed hardware clustersPublic Compensation:$347,000/year to $403,000/year + bonus + equity + benefitsIndustry: InternetEqual Opportunity:Meta is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@meta.com.