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I'm Motohiro Yamada, a senior software engineer who designs and scales high-performance, cloud-native systems across healthcare, fintech, and media. My work on platforms like Aya Connect, Deltatre's FORGE, and PNC Developer Tools has delivered secure, data-driven experiences to millions of users worldwide. I specialize in React/Next.js, Node.js, and AWS-based microservices, with expertise in GraphQL, event-driven systems, and AI-powered automation. I combine hands-on technical execution with a product mindset—building platforms that are fast, reliable, and designed for measurable real-world impact.…I'm Motohiro Yamada, a senior software engineer who designs and scales high-performance, cloud-native systems across healthcare, fintech, and media. My work on platforms like Aya Connect, Deltatre's FORGE, and PNC Developer Tools has delivered secure, data-driven experiences to millions of users worldwide. I specialize in React/Next.js, Node.js, and AWS-based microservices, with expertise in GraphQL, event-driven systems, and AI-powered automation. I combine hands-on technical execution with a product mindset—building platforms that are fast, reliable, and designed for measurable real-world impact.

Motohiro Yamada

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

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I'm Motohiro Yamada, a senior software engineer who designs and scales high-performance, cloud-native systems across healthcare, fintech, and media. My work on platforms like Aya Connect, Deltatre's FORGE, and PNC Developer Tools has delivered secure, data-driven experiences to millions of users worldwide. I specialize in React/Next.js, Node.js, and AWS-based microservices, with expertise in GraphQL, event-driven systems, and AI-powered automation. I combine hands-on technical execution with a product mindset—building platforms that are fast, reliable, and designed for measurable real-world impact.…I'm Motohiro Yamada, a senior software engineer who designs and scales high-performance, cloud-native systems across healthcare, fintech, and media. My work on platforms like Aya Connect, Deltatre's FORGE, and PNC Developer Tools has delivered secure, data-driven experiences to millions of users worldwide. I specialize in React/Next.js, Node.js, and AWS-based microservices, with expertise in GraphQL, event-driven systems, and AI-powered automation. I combine hands-on technical execution with a product mindset—building platforms that are fast, reliable, and designed for measurable real-world impact.

Available to hire

I’m Motohiro Yamada, a senior software engineer who designs and scales high-performance, cloud-native systems across healthcare, fintech, and media. My work on platforms like Aya Connect, Deltatre’s FORGE, and PNC Developer Tools has delivered secure, data-driven experiences to millions of users worldwide. I specialize in React/Next.js, Node.js, and AWS-based microservices, with expertise in GraphQL, event-driven systems, and AI-powered automation.

I combine hands-on technical execution with a product mindset—building platforms that are fast, reliable, and designed for measurable real-world impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Full Stack Engineer at Deltatre

May 1, 2021 - May 1, 2021

Developed FORGE multi-device interfaces for live and on-demand sports streaming, enabling millions of concurrent viewers. Implemented no-code content management workflows that reduced content deployment turnaround by 80% during live events. Engineered real-time data integrations using WebSocket and GraphQL subscriptions for live scores, stats, and insights. Built and maintained microservices for content delivery, user profiles, and analytics. Optimized streaming performance with CloudFront, Lambda@Edge, and Redis, reducing latency by 35%. Migrated from monolithic to modular, containerized architecture with Kubernetes and Helm; established CI/CD pipelines with GitHub Actions and Terraform. Integrated third-party data feeds via Kafka and AWS Kinesis. Collaborated with design and data teams to deliver personalized fan experiences and contributed to internal SDKs.

Senior Software Engineer at Aya Healthcare

May 1, 2021 - November 4, 2025

Designed and implemented a scalable, cloud-native Aya Connect platform using React/Next.js and Node.js/Express, enabling hospitals and clinicians to manage scheduling, compliance, and real-time communication. Developed microservice-based APIs in TypeScript and GraphQL for credentialing, compliance, and analytics, reducing response latency by 40%. Integrated AWS services (Lambda, ECS, DynamoDB, S3) to support HIPAA-compliant data storage and real-time synchronization. Built responsive UIs with React, Material UI, and Storybook. Implemented real-time event streaming with Kafka and AWS Kinesis for live status updates and automated scheduling workflows. Partnered with data scientists to productionize ML-based clinician–job matching algorithms using Python and AWS Lambda, improving placement accuracy and clinician satisfaction by 40%. Implemented RBAC and audit logging for HIPAA and SOC 2 compliance. Led cross-functional code reviews and mentored junior engineers.

Software Developer II at PNC

November 1, 2019 - November 1, 2019

Contributed to RESTful and GraphQL APIs for account verification, payment initiation, and transaction data. Built Node.js-based payment microservices handling thousands of transactions with 99.9% uptime and compliance. Implemented OAuth 2.0 and OpenID Connect for secure authentication and token-based authorization. Developed React/TypeScript components for the developer dashboard, improving API visibility. Worked with Kafka and Redis for high-throughput event processing and webhooks. Contributed to CI/CD automation with Jenkins and Docker, and participated in code reviews and documentation to ensure code quality and reliability.