I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Developer** Salesforce Inc. _January 2017 - March 2017_ **Full-stack Developer** Microsoft Inc. _January 2019 - March 2019_…

Arata Hoshino

I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Developer** Salesforce Inc. _January 2017 - March 2017_ **Full-stack Developer** Microsoft Inc. _January 2019 - March 2019_…

Available to hire

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

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Skills

Experience Level

AWS
Expert
TypeScript
Expert
Tailwind
Expert
Spring
Expert
React JS
Expert
Python
Expert
PostgreSQL
Expert
Oracle
Expert
MySQL
Expert
MongoDB
Expert
Kubernetes
Expert
JavaScript
Expert
Golang
Expert
Docker
Expert
Node.js
Expert
Express
Expert
SQL
Expert
Redis
Expert
API
Expert
Django
Expert
See more

Language

English
Fluent
Japanese
Fluent
Chinese
Advanced

Work Experience

Senior Backend Developer at Nationwide
February 1, 2025 - September 25, 2025
Advanced to Senior Backend Developer, leading architecture design, mentoring engineers, and ensuring nationwide system resilience. Designed migration roadmap, implemented gRPC inter-service communication. Enforced JWT authentication, RBAC, and compliance with GDPR & SOC2. Supported scale-up to 2M+ requests/day while maintaining 99.95% uptime SLA.
Backend Developer at Nationwide
January 1, 2022 - September 25, 2025
Promoted to Backend Developer to strengthen system reliability and data flow. Expanded skillset with Node.js, Express, PostgreSQL, and Redis. Introduced Redis caching and horizontal scaling, reducing API latency from 800ms → 120ms. Optimized queries with indexing, introduced CQRS pattern, cutting write times by 60%. Supported scale-up to 2M+ requests/day while maintaining 99.95% uptime SLA.
Frontend Developer at Nationwide
April 1, 2020 - September 25, 2025
Started as a Front-end Developer, building performant and user-friendly web applications with React, Next.js, and Tailwind CSS. Applied visualized rendering and dynamic import in Next.js, reducing bundle size by 35%. Leveraged SSR with Next.js, implemented semantic ARIA roles, raising Lighthouse Accessibility score. Enhanced user retention and reduced bounce rate by 15%.

Education

Bachelor of Science at New York University
September 8, 2014 - May 17, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services
    paper Systems Integration & Modernization

    Led the integration of legacy systems into a modernized architecture, enabling secure data exchange between platforms.
    Implemented RESTful APIs and optimized backend services to handle increased traffic loads.
    Migrated critical applications to cloud-supported environments, improving reliability and uptime

    paper Software Development & Automation

    Designed and implemented internal automation tools to reduce manual processing time by 40%.
    Developed reusable scripts and libraries, enhancing workflow efficiency and improving consistency across teams.
    Collaborated with business stakeholders to translate requirements into scalable technical solutions.

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