MA

Marc Arroyo Martinez

Available to hire

Hi, I’m Marc Arroyo. I’m a Senior Frontend Engineer with a focus on Unity (C), real-time systems, and scalable UI/UX engineering for mobile games.

About

Hi, I’m Marc Arroyo. I’m a Senior Frontend Engineer with a focus on Unity (C#), real-time systems, and scalable UI/UX engineering for mobile games. I design AI-driven development workflows and automation pipelines that reduce manual workload and accelerate production.

I enjoy collaborating across engineering, design, and product teams to ship live-service apps with strong user engagement, and I’ve led cross-functional initiatives that improve delivery speed through CI/CD and tooling.

  • 9 years' experience
  • Joined May 2026

Languages

  • Catalan; ValencianFluent
  • Spanish; CastilianFluent
  • EnglishFluent
  • JapaneseFluent
  • ItalianAdvanced

Industry experience

  • Gaming
  • Media & Entertainment
  • Software & Internet
  • Professional Services

Work experience· 4 roles

AI–Unity Automation System · Internal Project (GMO)Dec 2025 – Present · 1 yr

Designed AI-driven workflows integrating LLM tools with Unity to automate production pipelines, reducing manual workload by up to 80%.

Lead Frontend Engineer | AI & Automation Lead · GMO Insight (GMO Internet Group, Inc.)Jul 2019 – Present · 7 yrs 5 mos

Led frontend development and UI/UX design for Unity-based mobile games (C#), delivering scalable and high-performance user experiences. Coordinated cross-functional teams across frontend, backend, 3D, and product, improving workflow efficiency and delivery consistency. Delivered and maintained live mobile games and established monthly release cycles for continuous delivery. Engineered CI/CD pipelines with Jenkins, created shell scripts to automate build, packaging, and release flows, and managed version control with Git, Mercurial, and Subversion. Designed AI-assisted development workflows using Claude, built automation to integrate AI into Unity pipelines (reducing manual workload by up to 80%), and applied AI to code review, debugging, asset generation, and workflow optimization. Integrated Firebase Analytics for user behavior and performance, led A/B testing to validate features, and participated in the internal Tech Innovation Division (2020–2026), producing biannual engineering

Lead UI/UX Designer · BaluwoFeb 2018 – Nov 2018 · 10 mos

Led UI/UX design initiatives and supervised design processes across multiple projects. Conducted UX analysis, wireframing, and interface optimization to improve usability and conversion.

Game Developer / Lead UI Designer · BemobileJun 2016 – Feb 2018 · 1 yr 9 mos

Education· 6

Bachelor’s Degree in Multimedia Engineering · La Salle Campus Barcelona (Universitat Ramon Llull)2013 – 2018
AI Seminar Program (Internal Training) · GMO Internet Group, Inc.2023 – 2026
Bachelor’s Degree in Multimedia Engineering · La Salle Campus Barcelona (Universitat Ramon Llull)2013 – 2018
3DS Max · Autodesk, Inc.2015 – 2026

Certifications and awards· 6

CCNA Routing and Switching2016 – 2026
3DS Max2015 – 2026
AI Seminar Program (Internal Training)2023 – 2026
CCNA Routing and Switching2016 – 2026

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