>E. O'BRIEN
SOFTWARE ENGINEER & CIR // BACKEND • CLOUD • I18N

> ETHAN O'BRIEN:
BACKEND & CLOUD SYSTEMS

> Engineering dependable backend services, cloud systems, and bilingual web solutions.

Backend and cloud infrastructure engineer with 2+ years of hands-on software development experience. Currently serving as Hiroshima Prefectural CIR and Hiroshima AJET Technical Officer. Combining 5+ years of professional experience in Japan, JLPT N1 fluency, and HarvardX-certified computer science training to build robust, scalable production systems.

// TELEMETRY & OPERATIONAL STATUSNODE: CONDUIT_ACTIVE
[DEV EXP]2+ YRS
[LOC]HIROSHIMA, JAPAN
[FOCUS]BACKEND / CLOUD / APIS
[CREDENTIALS]HARVARD / JLPT N1
[STATUS]AVAILABLE
> GET IN TOUCH[ VIEW PROJECTS ]
[ 01 // FEATURED PROJECTS ]
>WEB APPLICATION // REST API & SPA
→

> Otium

Time-in-Lieu & Overtime Management Platform

Otium Management Dashboard Interface
OTIUM_SYS

A production web platform streamlining municipal team scheduling, overtime tracking, and automated time-in-lieu reconciliation. Built with a Django REST API backend and PostgreSQL database, transitioning into a dynamic Single-Page Application (SPA) in JavaScript upon authentication, containerized with Docker and deployed on AWS.

PythonDjango REST FrameworkJavaScript SPAPostgreSQLAWSDocker
[VIEW LIVE →][SOURCE CODE]
>GEOSPATIAL // WEB APPLICATION
→

> Matsue Tourism Guide

Bilingual Geospatial Exploration & Itinerary Web App

Matsue Tourism Guide Web Application
MATSUE-TOURISM_SYS

A bilingual travel exploration guide and itinerary platform for inbound visitors in Matsue. Engineered backend services with Django and PostgreSQL, integrated the Google Maps API with interactive JavaScript, and deployed an alpha release on AWS.

PythonDjangoPostgreSQLJavaScriptGoogle Maps APIAWS
[VIEW LIVE →][SOURCE CODE]
[ 02 // TECHNICAL SKILLS & CERTIFICATIONS ]
>

SKILL_PROTOCOLS

[VERIFIED]
// 01: BACKEND & WEB ARCHITECTURE[BACKEND]
Backend Architecture (Python / Django / FastAPI, Java / Spring Boot, REST APIs)[BACKEND]
PostgreSQL & Relational Database Design[DATABASE]
Modern Frontend & SPA (TypeScript, React, Tailwind CSS)[FRONTEND]
// 02: CLOUD INFRASTRUCTURE & DEVOPS[CLOUD]
AWS Cloud Architecture (EC2, ECS, RDS, S3, Bedrock)[CLOUD]
Docker & Container Workflows[CONTAINER]
Linux Server Administration, Git & CI/CD Pipelines[INFRA_OPS]
// 03: TECHNICAL LEADERSHIP & LOCALIZATION[BILINGUAL]
Technical Project Leadership & Architecture Ownership (Hiroshima AJET)[LEADERSHIP]
Bilingual Engineering & Software Internationalization / i18n (JLPT N1)[BILINGUAL]
[STACK: PYTHON • DJANGO • POSTGRESQL • AWS][STATUS: VERIFIED]
>

CREDENTIAL_DOSSIER

[AUDIT: VERIFIED]
N1

JLPT N1 Certified

Japan Educational Exchanges and Services

[LEVEL: C2 NATIVE-EQUIVALENT] • [STATUS: VERIFIED]
MA

MA, Translation & Localization

University College Cork, Ireland

[DEGREE: 1ST CLASS HONOURS] • [SOFTWARE I18N]
CERT

Professional Certificate in Computer Science for Web Programming

HarvardX / Harvard University

[VERIFIED CREDENTIAL] • [FULL-STACK & BACKEND]
AWS

AWS Certified Solutions Architect – Associate

STUDYING // TARGET: 2026

Amazon Web Services (AWS)

[PREPARATION:
EXAM TARGET: 2026]
[IN TRAINING // TARGET: 2026] • [SAA-C03]

> M.A. in Translation & Localization (computational linguistics focus) combined with HarvardX web programming credentials, ongoing AWS Solutions Architect certification, and JLPT N1 fluency.

[AUDIT: VERIFIED]
[ 03 // EXPERIENCE & TRAJECTORY ]
>

SYSTEM_LOG

[TIMELINE]
[OUTBOUND_EXP]•Tokyo & Ireland
2016—2019

Global Operations & European Entity Launch

Dispatched by a Japanese entity to establish and launch its new European office and legal corporation in Ireland, managing overseas business setup, cross-border operations, and corporate language instruction.

[CORE_INIT]•Ireland
2019—2021

Academic Foundation

University College Cork (M.A. in Translation & Localization). Built core fundamentals in computational linguistics, NLP concepts, and software internationalization (i18n/l10n).

[DATA_PIPELINE]•Remote (Ireland / Tokyo)
2022—2023

Software & AAA Game Localization Specialist

Collaborated with a Tokyo-based studio managing multi-locale data pipelines and technical game assets for major gaming titles. Ensured structured schema consistency, version-controlled string deliveries, and cross-functional QA across distributed release cycles.

[PUBLIC_SECTOR]•Matsue, Shimane
2023—2026

Municipal CIR & Full-Stack Developer

Conducted municipal international relations while building the official Matsue Tourism Guide data platform. Independently developed "Otium," a self-initiated full-stack time-in-lieu management application.

[PRODUCTION]•Hiroshima
2026—Present

Prefectural CIR & Hiroshima AJET Technical Officer

Serving as Hiroshima Prefectural CIR and Technical Officer for Hiroshima AJET — architecting a modern community portal and an intelligent RAG (Retrieval-Augmented Generation) knowledge retrieval pipeline.

[CURRENT BASE: HIROSHIMA, JAPAN][STATUS: CIR & TECHNICAL OFFICER]
[ 04 // INTERESTS & PURSUITS ]
>

SUBROUTINES

[3 VECTORS]
[VEC-01]movie

Cinematography & Film Craft

Composition, lighting, and narrative structure in cinema and visual production.

STATUS: ACTIVE→
[VEC-02]fitness_center

Strength & Physical Discipline

Strength training with kettlebells, progressive overload, and physical discipline.

STATUS: ACTIVE→
[VEC-03]edit_note

Speculative Writing & Tech Essays

Writing on software architecture, technology philosophy, and speculative narratives exploring human-machine interaction.

STATUS: ACTIVE→
[ 05 // CONTACT & INQUIRIES ]
>

06 // CONTACT & INQUIRIES

[DIRECT INQUIRY CHANNEL]
CONTACT_FORM: ethan-obrien@hiroshima [READY]
[ - ][ □ ][ ✕ ]
>
>
>
[TLS 1.3 // 256-BIT DISPATCH]
[CONDUIT: READY][TLS 1.3 // ENCRYPTED]