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I’m Kaori Nishimura, a front-end developer with 7 years of experience building reliable, accessible user interfaces—especially with React and TypeScript. Over time, I’ve broadened my front-end background across EdTech, business applications, and AI software, and I enjoy turning complex requirements into clear, maintainable experiences. I thrive in collaborative engineering teams, using a test-driven mindset with tools like React Testing Library and Playwright to reduce regressions. Recently, I’ve worked on a Claude-powered AI advisory platform with Next.js, contributed to an Angular-to-React migration for an AI mining platform (including real-time WebSocket alerts), and helped prototype 3D data visualisations—always with performance and accessibility in mind.…I’m Kaori Nishimura, a front-end developer with 7 years of experience building reliable, accessible user interfaces—especially with React and TypeScript. Over time, I’ve broadened my front-end background across EdTech, business applications, and AI software, and I enjoy turning complex requirements into clear, maintainable experiences. I thrive in collaborative engineering teams, using a test-driven mindset with tools like React Testing Library and Playwright to reduce regressions. Recently, I’ve worked on a Claude-powered AI advisory platform with Next.js, contributed to an Angular-to-React migration for an AI mining platform (including real-time WebSocket alerts), and helped prototype 3D data visualisations—always with performance and accessibility in mind.

KAORI NISHIMURA

Front-End Developer, Web Developer, Software Engineer, +2

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I’m Kaori Nishimura, a front-end developer with 7 years of experience building reliable, accessible user interfaces—especially with React and TypeScript. Over time, I’ve broadened my front-end background across EdTech, business applications, and AI software, and I enjoy turning complex requirements into clear, maintainable experiences. I thrive in collaborative engineering teams, using a test-driven mindset with tools like React Testing Library and Playwright to reduce regressions. Recently, I’ve worked on a Claude-powered AI advisory platform with Next.js, contributed to an Angular-to-React migration for an AI mining platform (including real-time WebSocket alerts), and helped prototype 3D data visualisations—always with performance and accessibility in mind.…I’m Kaori Nishimura, a front-end developer with 7 years of experience building reliable, accessible user interfaces—especially with React and TypeScript. Over time, I’ve broadened my front-end background across EdTech, business applications, and AI software, and I enjoy turning complex requirements into clear, maintainable experiences. I thrive in collaborative engineering teams, using a test-driven mindset with tools like React Testing Library and Playwright to reduce regressions. Recently, I’ve worked on a Claude-powered AI advisory platform with Next.js, contributed to an Angular-to-React migration for an AI mining platform (including real-time WebSocket alerts), and helped prototype 3D data visualisations—always with performance and accessibility in mind.

Available to hire

I’m Kaori Nishimura, a front-end developer with 7 years of experience building reliable, accessible user interfaces—especially with React and TypeScript. Over time, I’ve broadened my front-end background across EdTech, business applications, and AI software, and I enjoy turning complex requirements into clear, maintainable experiences.

I thrive in collaborative engineering teams, using a test-driven mindset with tools like React Testing Library and Playwright to reduce regressions. Recently, I’ve worked on a Claude-powered AI advisory platform with Next.js, contributed to an Angular-to-React migration for an AI mining platform (including real-time WebSocket alerts), and helped prototype 3D data visualisations—always with performance and accessibility in mind.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

Japanese

Fluent

English

Advanced

Work Experience

Senior Front-End Engineer (React / TypeScript / Next.js) at SENshine

October 1, 2024 - September 1, 2026

Built the user interface for a Claude-powered AI advisory platform using React, TypeScript, and Next.js with performance and accessibility as priorities. Implemented OAuth 2.0 authorization code flow integrating with Microsoft Dynamics 365, including secure token handling and coordinated refresh between OAuth and internal API tokens. Integrated HubSpot customer data into the app and helped reduce performance issues through careful implementation and AI-assisted development.

Software Engineer (React / TypeScript / Next.js) at Intellisense.io

August 1, 2020 - August 1, 2024

Contributed to front-end development during an Angular-to-React migration for an AI software solution in the mining sector, including testing, code review, and cross-functional delivery. Built a 3D viewer prototype with VoxelFarm and designed data displays for technical workflows. Implemented WebSocket integration for real-time in-app alerts and created unit tests to improve reliability and reduce regressions.

UI developer (Gatsby / React / Wordpress) at Infomentum Delivered

March 1, 2018 - August 1, 2020

Delivered Gatsby, React, and WordPress front-end work for client websites, including creating a new theme for BAE Systems and maintaining updates for Motability.

Software Developer (PHP / JavaScript) at Firmstep

November 1, 2017 - February 1, 2018

Developed a forms designer tool using JavaScript and PHP for local government and housing association clients, supporting ongoing software delivery until the company transitioned to Python.

Senior front-end developer at AVADO

September 1, 2014 - September 1, 2016

Delivered tailored digital solutions for learning needs using Moodle and Sitefinity for platforms including Google Squared Online, United for Wildlife, IOC, and CIPD.

Front-end developer (Contractor)

June 1, 2008 - May 1, 2017

Freelance front-end contracting across multiple clients, including work such as developing Moodle themes for the University of London, delivering TV/animation and web projects for Virgin Media, enhancing websites and fixing bugs for John Lewis, building subscription and registration forms and account management screens for Financial Times, and creating microsites and customer portal interfaces for organisations including The Guardian, BT, and NHS Counter-fraud.