Harada Kenji

Senior Full Stack Developer

03/2023 – 12/2024  Parasol Finance & Job Wizard, Remote

• Completed seamlessly Solana contracts into the website, reducing potential vulnerabilities by 15% while ensuring secure transactions and data integrity
• Led the end-to-end development of AI-powered data annotation platforms, improving labeling efficiency by 30%, using React.js for front-end UX and Laravel for scalable back-end APIs
• Integrated multiple Solana wallets into the IDO platform, increasing user accessibility and engagement by 25%.
• Automated form population across multiple enterprise websites, increasing workflow efficiency by 20% and streamlining the user experience.
• Collected massive amounts of data (100 M+) from multiple sites using powerful Python scraping that evades bot detection and is high-performance.

Full Stack Developer

04/2021 - 09/2022  Think to Share, Remote

• Reduced server response time by 25% by maintaining Golang code optimized for performance and scalability.
• Achieved 40% customer growth of the company by developing ecommerce websites from Figma / Adobe XD designs using React, Vue, and Next.js.
• Enhanced the correctness of the AI image generator by 98.8%, and implemented four new features.
• Created a machine learning model to optimize customer segmentation for a retail company, leading to a 30% increase in targeted marketing campaign effectiveness.

Web Developer

11/2019 – 12/2020  Self-employed, Remote

• Constructed a robust frontend architecture with PHP that facilitated the integration of third-party services, resulting in a 50% increase in functionality while maintaining high standards of code quality and responsiveness.
• Collaborated with 7 web application engineers to deliver sophisticated and responsive web pages.
• Optimized performance by implementing caching mechanisms with Redis, reducing API response times by 35%.
• Redesigned data encryption and security protocols, reducing vulnerabilities and enhancing data protection by 25%.

Bachelor of Science in Computer Science

04/2015 - 10/2019  Hokkaido University, Sapporo

• Data Structures and Algorithms: Learned how to design and analyze algorithms using various data structures like arrays, linked lists, trees, and graphs.
• Database Systems: Studied the basics of relational database systems, including designing database schema, creating and querying databases with SQL, and optimizing performance.
• Operating Systems: Gained knowledge about the functioning of operating systems, including process management, memory management, and file systems.
• Programming Languages: Learned programming concepts and languages such as C++, Java, Python, and JavaScript.

• English   Fluent
• Japanese   Native

• Customer-Centric Approach
• Strong Interpersonal Communication
• Efficient task management
• Self-motivated and disciplined
• Flexible and Available across global Time Zones
• Leadership in Team Coordination