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Brian O.

Brian O.

Kenya flagNairobi, Kenya

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Freelancer Overview

Senior Full-Stack and AI Systems Leadership at Nexus AI, 2025 to Present: Architecting and deploying high-throughput backend infrastructure, RESTful APIs, and full-stack ecosystems using Python, FastAPI, Next.js, PostgreSQL, and Redis to power enterprise-grade AI model evaluation and distributed processing pipelines. Directing prompt optimization and model reliability initiatives to improve real-time system performance and API throughput. AI Infrastructure and Data Pipeline Engineering at Outlier AI, 2024 to Present: Designing internal analytics dashboards and asynchronous data pipelines to manage large-scale grading and annotation workflows. Implementing advanced caching strategies and database optimizations that maximize data processing efficiency and enable rigorous software evaluation and technical reasoning. Distributed Processing Optimization at Scale AI, 2023 to 2024: Engineered large-scale backend services and processing pipelines to accelerate AI data training infrastructure. Collaborated across cross-functional technical teams to resolve complex bottlenecks, optimize distributed system workflows, and guarantee high infrastructure reliability. Production Machine Learning and NLP at IBM, 2022 to 2023: Developed, optimized, and deployed production-ready NLP and machine learning models. Spearheaded the creation of scalable APIs for real-time model serving and designed comprehensive testing frameworks to maximize pipeline reliability across cloud-based analytics systems.