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Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, and health-tech. I design and implement end-to-end architectures, lead migrations to server-side APIs, and build AI/ML pipelines that automate complex processes and improve business outcomes. I’m passionate about observable, secure, and high-performance software, collaborating with product and design teams to deliver robust features that delight users while meeting regulatory requirements. Outside work, I enjoy mentoring colleagues and exploring new ways to apply modern technologies to real-world problems.…Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, and health-tech. I design and implement end-to-end architectures, lead migrations to server-side APIs, and build AI/ML pipelines that automate complex processes and improve business outcomes. I’m passionate about observable, secure, and high-performance software, collaborating with product and design teams to deliver robust features that delight users while meeting regulatory requirements. Outside work, I enjoy mentoring colleagues and exploring new ways to apply modern technologies to real-world problems.

Michael Musson

Full Stack Developer, Back-End Developer, Cloud Developer, +2

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Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, and health-tech. I design and implement end-to-end architectures, lead migrations to server-side APIs, and build AI/ML pipelines that automate complex processes and improve business outcomes. I’m passionate about observable, secure, and high-performance software, collaborating with product and design teams to deliver robust features that delight users while meeting regulatory requirements. Outside work, I enjoy mentoring colleagues and exploring new ways to apply modern technologies to real-world problems.…Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, and health-tech. I design and implement end-to-end architectures, lead migrations to server-side APIs, and build AI/ML pipelines that automate complex processes and improve business outcomes. I’m passionate about observable, secure, and high-performance software, collaborating with product and design teams to deliver robust features that delight users while meeting regulatory requirements. Outside work, I enjoy mentoring colleagues and exploring new ways to apply modern technologies to real-world problems.

Available to hire

Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, and health-tech. I design and implement end-to-end architectures, lead migrations to server-side APIs, and build AI/ML pipelines that automate complex processes and improve business outcomes.

I’m passionate about observable, secure, and high-performance software, collaborating with product and design teams to deliver robust features that delight users while meeting regulatory requirements. Outside work, I enjoy mentoring colleagues and exploring new ways to apply modern technologies to real-world problems.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at Meta (Facebook)

December 1, 2022 - Present

Designed and implemented core back-end services for Advantage+ Shopping Campaigns using PyTorch, Scikit-learn, and Python, building AI/ML pipelines that automate ad creative generation and high-value audience targeting, driving a 15% increase in ROAS for enterprise clients. Built an e-commerce platform API enabling Shopify integration with Node.js and REST-based microservices, improving cart abandonment metrics. Led migration to server-side APIs on AWS with Kubernetes, Terraform, and DataDog, handling over 1M events/sec and improving attribution accuracy while preserving user privacy. Created a Virtual Try-On experience using Meta Spark AR and JavaScript for eyewear and cosmetics, deployed in high-profile campaigns to boost user engagement. Implemented end-to-end front-end UI for Meta Shop using React and Redux, with native checkout flows to support scalable commerce experiences.

Software System Development Engineer at Yahoo

July 1, 2013 - April 1, 2018

Maintained and optimized Yahoo Finance API backend using C++, Java, Hadoop, Spark, and MySQL at massive scale. Refactored high-frequency data pipelines to deliver sub-second latency for 10M+ daily active users, and redesigned edge caching (YCS) to handle 100M+ requests for personalized watchlists and portfolio data, applying a microservices architecture and REST API design. Reduced database load by ~35% and improved API response times for third-party developers and partners. Led the rebuild of the Yahoo Finance iOS app with a modular architecture in Swift, including push notifications for price alerts and a 20% rise in mobile DAU. Built an HTML5 interactive charting engine with JavaScript and Canvas, replacing legacy Flash components. Implemented secure data storage and granular access controls for onboarding large partners.

Senior Software Engineer at Google

April 20, 2018 - December 20, 2022

Designed core components for Google Cloud Health API focusing on FHIR standards and clinical data exchange. Built scalable Java/Spring Boot pipelines processing millions of HL7v2 messages daily, unifying clinical data across disparate systems. Contributed to a diabetic retinopathy detection pipeline using CNNs and Python. Established data infrastructure with BigQuery and PostgreSQL to de-identify and preprocess large-scale DICOM images, improving model training efficiency in clinical trials. Created Care Studio features with React to visualize complex patient records from multiple facilities, and integrated an NLP backend to categorize unstructured clinical notes, reducing physician search time by about 5 hours per week. Delivered user-facing components for the Google Health Studies app (Android Kotlin, web TypeScript). Implemented secure data storage and granular access controls using IAM, Cloud KMS, and VPC Service Controls, with Cassandra for scalable metadata, meeting HIPAA require