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Full Stack Software Engineer with 5 years of experience at Konica Minolta Inc.Specializing in C#, .NET, C/C++, ReactJS, JavaScript, and Node.js. Proven ability to design and deliver scalable SaaS products for B2B enterprise solutions, modernize legacy systems, and implement responsive UIs aligned with business and market needs. Skilled in building and integrating REST APIs and GraphQL services, deploying/testing solutions on AWS, and working with relational databases. Strong track record in Agile environments across software design, bug fixing, testing, UI prototyping, and documentation. Fluent in English and conversational in Japanese (JLPT N3/N4).…Full Stack Software Engineer with 5 years of experience at Konica Minolta Inc.Specializing in C#, .NET, C/C++, ReactJS, JavaScript, and Node.js. Proven ability to design and deliver scalable SaaS products for B2B enterprise solutions, modernize legacy systems, and implement responsive UIs aligned with business and market needs. Skilled in building and integrating REST APIs and GraphQL services, deploying/testing solutions on AWS, and working with relational databases. Strong track record in Agile environments across software design, bug fixing, testing, UI prototyping, and documentation. Fluent in English and conversational in Japanese (JLPT N3/N4).

Ila A shok

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Full Stack Software Engineer with 5 years of experience at Konica Minolta Inc.Specializing in C#, .NET, C/C++, ReactJS, JavaScript, and Node.js. Proven ability to design and deliver scalable SaaS products for B2B enterprise solutions, modernize legacy systems, and implement responsive UIs aligned with business and market needs. Skilled in building and integrating REST APIs and GraphQL services, deploying/testing solutions on AWS, and working with relational databases. Strong track record in Agile environments across software design, bug fixing, testing, UI prototyping, and documentation. Fluent in English and conversational in Japanese (JLPT N3/N4).…Full Stack Software Engineer with 5 years of experience at Konica Minolta Inc.Specializing in C#, .NET, C/C++, ReactJS, JavaScript, and Node.js. Proven ability to design and deliver scalable SaaS products for B2B enterprise solutions, modernize legacy systems, and implement responsive UIs aligned with business and market needs. Skilled in building and integrating REST APIs and GraphQL services, deploying/testing solutions on AWS, and working with relational databases. Strong track record in Agile environments across software design, bug fixing, testing, UI prototyping, and documentation. Fluent in English and conversational in Japanese (JLPT N3/N4).

Available to hire

Full Stack Software Engineer with 5 years of experience at Konica Minolta Inc.Specializing in C#, .NET, C/C++, ReactJS, JavaScript, and Node.js. Proven ability to
design and deliver scalable SaaS products for B2B enterprise solutions, modernize legacy systems, and implement responsive UIs aligned with business and market
needs. Skilled in building and integrating REST APIs and GraphQL services, deploying/testing solutions on AWS, and working with relational databases. Strong track
record in Agile environments across software design, bug fixing, testing, UI prototyping, and documentation. Fluent in English and conversational in Japanese (JLPT
N3/N4).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Japanese

Intermediate

Work Experience

Full Stack Software Engineer at Konica Minolta Inc.

October 1, 2020 - October 1, 2025

Full-stack responsibilities including designing and delivering scalable SaaS products for B2B enterprise solutions, modernizing legacy systems, and implementing responsive UIs. Built and integrated REST APIs and GraphQL services; deployed and tested solutions on AWS; collaborated in Agile environments to support SaaS product lifecycles.

Frontend / UI Developer at DX Development Promotion Group

October 1, 2023 - October 1, 2025

Converted Figma designs into scalable ReactJS UI components for the Nursing Care Back Office project, built responsive UIs, and supported SaaS workflow automation. Implemented Node.js backend services, deployed on AWS, and improved testing coverage with Jest and Selenium.

Software Engineer – Time Stamp Node at Konica Minolta Business Solutions

December 1, 2021 - September 1, 2022

Redesigned Time Stamp Node UI with .NET/C#, built and integrated REST APIs, and optimized SQL Server queries to improve data processing and performance.

Workflow Automation Developer at Konica Minolta Inc.

October 1, 2022 - September 1, 2023

Collaborated with global teams to convert Figma designs into high-quality scalable UI components for overseas markets, improved cross-browser compatibility, and increased overseas market share by ~10%. Implemented Jest-based component tests and automated QA using Python + Selenium.