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I am a Senior Full Stack & AI Engineer with 9+ years of experience delivering scalable, distributed web applications across modern cloud environments. I excel at designing microservices, API engineering, and integrating AI-driven services into end-to-end systems. My expertise spans React/Next.js, Python/FastAPI, Java Spring Boot, and cloud platforms like Azure and AWS. I thrive in challenging, fast-paced settings and am dedicated to performance, security, and maintainability of production-grade solutions.…I am a Senior Full Stack & AI Engineer with 9+ years of experience delivering scalable, distributed web applications across modern cloud environments. I excel at designing microservices, API engineering, and integrating AI-driven services into end-to-end systems. My expertise spans React/Next.js, Python/FastAPI, Java Spring Boot, and cloud platforms like Azure and AWS. I thrive in challenging, fast-paced settings and am dedicated to performance, security, and maintainability of production-grade solutions.

Kozato Keizo

Full Stack Developer, Web Developer, AI Engineer, +2

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I am a Senior Full Stack & AI Engineer with 9+ years of experience delivering scalable, distributed web applications across modern cloud environments. I excel at designing microservices, API engineering, and integrating AI-driven services into end-to-end systems. My expertise spans React/Next.js, Python/FastAPI, Java Spring Boot, and cloud platforms like Azure and AWS. I thrive in challenging, fast-paced settings and am dedicated to performance, security, and maintainability of production-grade solutions.…I am a Senior Full Stack & AI Engineer with 9+ years of experience delivering scalable, distributed web applications across modern cloud environments. I excel at designing microservices, API engineering, and integrating AI-driven services into end-to-end systems. My expertise spans React/Next.js, Python/FastAPI, Java Spring Boot, and cloud platforms like Azure and AWS. I thrive in challenging, fast-paced settings and am dedicated to performance, security, and maintainability of production-grade solutions.

Available to hire

I am a Senior Full Stack & AI Engineer with 9+ years of experience delivering scalable, distributed web applications across modern cloud environments. I excel at designing microservices, API engineering, and integrating AI-driven services into end-to-end systems.

My expertise spans React/Next.js, Python/FastAPI, Java Spring Boot, and cloud platforms like Azure and AWS. I thrive in challenging, fast-paced settings and am dedicated to performance, security, and maintainability of production-grade solutions.

Skills

Experience Level

Expert

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Language

English

Advanced

Work Experience

Senior AI/ML Engineer at Rapids AI

January 1, 2023 - Present

Directed the development of LoRA fine-tuning pipelines using Azure Foundry, PyTorch, and ONNX; orchestrated tools with a production Agentic MCP in Python to support RAG features; optimized search performance and API scalability via Elasticsearch and query tuning; designed a microservice architecture with Kafka and internal queues; established AKS with Terraform and GitOps; delivered full-stack observability.

Full Stack Developer at PingWind

November 1, 2021 - January 1, 2023

Implemented ReactJS components and Redux-based front-end architecture; led front-end development, wrote unit/e2e tests (Jasmine, Karma, Protractor); migrated SOAP resources to RESTful APIs; contributed to AI chatbot development and enterprise RESTful services via Spring Boot and Spring Security.

Backend Engineer II at Rally Health

June 1, 2019 - November 1, 2021

Enhanced back-end systems with async programming for improved concurrency; built dashboards in React/Angular; developed an ASP.NET real-time monitoring backend; resolved auto-refill issues with external collaborators; integrated AWS services (S3, Lambda, Aurora) and infrastructure automation with SaltStack; established CI/CD pipelines reducing deployment time.

Full Stack Developer at Infosol Inc

September 1, 2017 - May 1, 2019

Developed RESTful API endpoints using Node.js and ASP.NET; created SAP BusinessObjects dashboards and POCs with OKTA/Auth0; built visualization-heavy applications using Angular/React; migrated legacy resources to modern REST/Spring-based services; gained experience in enterprise-grade data visualization and BI tooling.