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With over 6 years of experience in software engineering, I specialize in building scalable web and mobile applications using modern technologies and Agile methodologies. My key strengths lie in delivering AI-driven, user-centric solutions across platforms. Notable achievements include leading the development of an intelligent system that optimized business workflows, resulting in a 30% improvement in operational efficiency. I have extensive experience leading architecture and development for AI-integrated platforms, improving customer engagement and streamlining deployment processes. I am passionate about exploring new AI tools, creative coding projects, and continually enriching my skills in both technology and cross-functional team leadership.…With over 6 years of experience in software engineering, I specialize in building scalable web and mobile applications using modern technologies and Agile methodologies. My key strengths lie in delivering AI-driven, user-centric solutions across platforms. Notable achievements include leading the development of an intelligent system that optimized business workflows, resulting in a 30% improvement in operational efficiency. I have extensive experience leading architecture and development for AI-integrated platforms, improving customer engagement and streamlining deployment processes. I am passionate about exploring new AI tools, creative coding projects, and continually enriching my skills in both technology and cross-functional team leadership.

Kenji Sato

Full Stack Developer, AI Developer, Web Developer, +7

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With over 6 years of experience in software engineering, I specialize in building scalable web and mobile applications using modern technologies and Agile methodologies. My key strengths lie in delivering AI-driven, user-centric solutions across platforms. Notable achievements include leading the development of an intelligent system that optimized business workflows, resulting in a 30% improvement in operational efficiency. I have extensive experience leading architecture and development for AI-integrated platforms, improving customer engagement and streamlining deployment processes. I am passionate about exploring new AI tools, creative coding projects, and continually enriching my skills in both technology and cross-functional team leadership.…With over 6 years of experience in software engineering, I specialize in building scalable web and mobile applications using modern technologies and Agile methodologies. My key strengths lie in delivering AI-driven, user-centric solutions across platforms. Notable achievements include leading the development of an intelligent system that optimized business workflows, resulting in a 30% improvement in operational efficiency. I have extensive experience leading architecture and development for AI-integrated platforms, improving customer engagement and streamlining deployment processes. I am passionate about exploring new AI tools, creative coding projects, and continually enriching my skills in both technology and cross-functional team leadership.

Available to hire

With over 6 years of experience in software engineering, I specialize in building scalable web and mobile applications using modern technologies and Agile methodologies. My key strengths lie in delivering AI-driven, user-centric solutions across platforms. Notable achievements include leading the development of an intelligent system that optimized business workflows, resulting in a 30% improvement in operational efficiency. I have extensive experience leading architecture and development for AI-integrated platforms, improving customer engagement and streamlining deployment processes. I am passionate about exploring new AI tools, creative coding projects, and continually enriching my skills in both technology and cross-functional team leadership.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Japanese

Fluent

German

Beginner

Work Experience

Senior Full Stack Software Engineer at Kizuna Tech Co., Ltd.

June 30, 2025 - August 11, 2025

Led the architecture and development of AI-integrated web and mobile platforms, improving customer engagement by 30%. Built full-stack applications using React, Node.js, Python, and Flutter, with cloud deployment on AWS and GCP. Designed and implemented scalable microservices and REST/GraphQL APIs, reducing server response time by 40%. Integrated GPT-based AI assistants using OpenAI APIs and LangChain to enhance user support automation. Spearheaded Agile practices across cross-functional teams, increasing delivery speed and code quality. Mentored junior engineers, fostering skill growth and maintaining high development standards.

Software Developer at NeuralWave Solutions

August 31, 2022 - August 11, 2025

Developed and maintained responsive single-page applications using Vue.js, Express.js, and MongoDB. Built internal tools powered by machine learning models (Python, scikit-learn) to automate data classification and customer behavior prediction. Optimized CI/CD pipelines, reducing deployment time by 50% and increasing deployment reliability. Collaborated closely with design and product teams to implement clean, user-friendly interfaces using Tailwind CSS. Participated in code reviews, technical planning, and system design discussions focusing on clean architecture and modular code.

Senior Full Stack Software Engineer at Kizuna Tech Co., Ltd.

June 1, 2025 - August 11, 2025

Led the architecture and development of AI-integrated web and mobile platforms that improved customer engagement by 30%. Developed full-stack applications using React, Node.js, Python, and Flutter, with cloud deployment on AWS and GCP. Designed and implemented scalable microservices and REST/GraphQL APIs, reducing server response times by 40%. Integrated GPT-based AI assistants into client-facing platforms using OpenAI APIs and LangChain, enhancing user support automation. Spearheaded Agile practices across cross-functional teams, increasing delivery speed and code quality. Mentored junior engineers fostering skill growth and maintaining high development standards.

Software Developer at NeuralWave Solutions

August 1, 2022 - August 11, 2025

Developed and maintained responsive single-page applications using Vue.js, Express.js, and MongoDB. Built internal tools powered by machine learning models (Python, scikit-learn) for automated data classification and customer behavior prediction. Optimized CI/CD pipelines reducing deployment time by 50% and increasing reliability. Collaborated closely with design and product teams to implement clean, user-friendly interfaces using Tailwind CSS. Participated in code reviews, technical planning, and system design discussions focusing on clean architecture and modular code.