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I am a Senior Software Engineer with 12+ years of experience at Microsoft, Twitter, and Evo, delivering enterprise-scale platforms, AI-powered applications, and secure cloud-native systems. I specialize in React/Next.js, Node.js, Python, and Azure/AWS architectures, with a track record of building scalable APIs, microservices, and ML-driven personalization. I am adept at GDPR-compliant engineering, inference optimization for cost, latency, and sustainability, and leading Agile teams to deliver high-performance digital platforms. I bridge AI research to production-ready deployments and drive digital transformation at global scale.…I am a Senior Software Engineer with 12+ years of experience at Microsoft, Twitter, and Evo, delivering enterprise-scale platforms, AI-powered applications, and secure cloud-native systems. I specialize in React/Next.js, Node.js, Python, and Azure/AWS architectures, with a track record of building scalable APIs, microservices, and ML-driven personalization. I am adept at GDPR-compliant engineering, inference optimization for cost, latency, and sustainability, and leading Agile teams to deliver high-performance digital platforms. I bridge AI research to production-ready deployments and drive digital transformation at global scale.

John Magpali

Full Stack Developer, Web Developer, Cloud Developer, +2

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I am a Senior Software Engineer with 12+ years of experience at Microsoft, Twitter, and Evo, delivering enterprise-scale platforms, AI-powered applications, and secure cloud-native systems. I specialize in React/Next.js, Node.js, Python, and Azure/AWS architectures, with a track record of building scalable APIs, microservices, and ML-driven personalization. I am adept at GDPR-compliant engineering, inference optimization for cost, latency, and sustainability, and leading Agile teams to deliver high-performance digital platforms. I bridge AI research to production-ready deployments and drive digital transformation at global scale.…I am a Senior Software Engineer with 12+ years of experience at Microsoft, Twitter, and Evo, delivering enterprise-scale platforms, AI-powered applications, and secure cloud-native systems. I specialize in React/Next.js, Node.js, Python, and Azure/AWS architectures, with a track record of building scalable APIs, microservices, and ML-driven personalization. I am adept at GDPR-compliant engineering, inference optimization for cost, latency, and sustainability, and leading Agile teams to deliver high-performance digital platforms. I bridge AI research to production-ready deployments and drive digital transformation at global scale.

Available to hire

I am a Senior Software Engineer with 12+ years of experience at Microsoft, Twitter, and Evo, delivering enterprise-scale platforms, AI-powered applications, and secure cloud-native systems. I specialize in React/Next.js, Node.js, Python, and Azure/AWS architectures, with a track record of building scalable APIs, microservices, and ML-driven personalization.

I am adept at GDPR-compliant engineering, inference optimization for cost, latency, and sustainability, and leading Agile teams to deliver high-performance digital platforms. I bridge AI research to production-ready deployments and drive digital transformation at global scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Engineer | Team Lead at Evo Tech Software Solutions Inc

January 1, 2023 - June 1, 2025

Architected Next.js and React 18 guest-facing apps integrated with Node.js and Python APIs, powering the World of Evo digital ecosystem across 1,000+ properties. Implemented secure APIs (OAuth 2.0 + Azure B2C). Built LLM-powered chatbots and recommendation engines, reducing support tickets by 40% and boosting self-service adoption by 30%. Optimized frontend performance by 45% through code-splitting, lazy loading, and bundle optimization. Supported Colleague Advantage by building unified dashboards and automation tools that streamlined multi-system workflows (reservations, loyalty, PMS). Enabled data-driven hospitality by directing ETL pipelines (Airflow, Kafka, Pandas) and exposing APIs (REST/GraphQL) for booking, reservations, and loyalty insights. Deployed with resilience: led CI/CD pipelines (GitHub Actions, GitLab CI, Docker) with zero-downtime blue-green releases to AWS ECS/EKS. Mentored a team of 6+ engineers, driving Agile ceremonies, architecture reviews, and cross-functional a

Software Engineer - Full Stack & AI/ML at Twitter

February 1, 2019 - August 1, 2022

Built real-time recommendation and feed ranking systems with Node.js microservices + Python ML inference, increasing EU user engagement by 30% while meeting GDPR data-handling requirements. Delivered React/React Native applications for internal safety dashboards and infrastructure analytics, supporting compliance with EU content safety regulations. Developed Trust & Safety AI pipelines (NLP with spaCy, NLTK; CV with YOLOv3, Faster R-CNN, Amazon Rekognition) to detect hate speech, misinformation, and CSAM, improving moderation accuracy by 15%. Implemented time-series anomaly detection models to monitor platform health and abuse signals, cutting incident response times by 25%. Collaborated with Cortex and Timeline teams to optimize the For You feed with ML-based personalization, ensuring low-latency, GDPR-compliant delivery across hundreds of millions of EU events per second. Partnered with developer platform teams on API safeguards and OAuth expansions, strengthening compliance and thir

Software Engineer - Full Stack & AI/ML at Microsoft

April 1, 2014 - March 1, 2020

Migrated EU enterprise systems to Azure microservices (Node.js, Python, .NET Core), reducing deployment cycles by 60% and improving scalability. Built secure enterprise APIs (FHIR, REST, GraphQL) for healthcare and finance, cutting onboarding by 40% while ensuring GDPR/HIPAA/PCI compliance. Delivered React, Next.js, and React Native applications for productivity and healthcare platforms, accelerating multi-platform delivery by 40%. Partnered with AI/ML teams to embed NLP, CV, predictive models into Azure & Microsoft 365. Designed ML pipelines with Databricks & Spark for training, deployment, monitoring, and scaling. Optimized inference pipelines, reducing GPU/TPU costs, latency, and energy consumption. Contributed to Microsoft's Secure Future Initiative, deploying privacy-preserving ML and fraud-detection systems. Implemented CI/CD (Jenkins, Kubernetes, Docker) + event-driven architectures (Kafka, RabbitMQ, WebSockets).