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I'm a senior game designer with 9+ years of experience across more than 15 shipped titles, spanning mobile to AA multi-platform releases. I specialize in narrative and systems design, UI/UX, and live operations, with a track record of shipping cohesive experiences from concept to launch and leading design efforts across cross-functional teams. I'm deeply passionate about RPGs, roguelikes, and management/idle games—both as a player and as a developer. I draw inspiration from Japanese culture to craft stories and experiences that resonate with players and leave a lasting impact, blending world-building, character design, and meaningful messaging into gameplay.…I'm a senior game designer with 9+ years of experience across more than 15 shipped titles, spanning mobile to AA multi-platform releases. I specialize in narrative and systems design, UI/UX, and live operations, with a track record of shipping cohesive experiences from concept to launch and leading design efforts across cross-functional teams. I'm deeply passionate about RPGs, roguelikes, and management/idle games—both as a player and as a developer. I draw inspiration from Japanese culture to craft stories and experiences that resonate with players and leave a lasting impact, blending world-building, character design, and meaningful messaging into gameplay.

Juan Camilo Ramirez Mustafa

Game Designer, UI Designer, UX Designer, +2

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I'm a senior game designer with 9+ years of experience across more than 15 shipped titles, spanning mobile to AA multi-platform releases. I specialize in narrative and systems design, UI/UX, and live operations, with a track record of shipping cohesive experiences from concept to launch and leading design efforts across cross-functional teams. I'm deeply passionate about RPGs, roguelikes, and management/idle games—both as a player and as a developer. I draw inspiration from Japanese culture to craft stories and experiences that resonate with players and leave a lasting impact, blending world-building, character design, and meaningful messaging into gameplay.…I'm a senior game designer with 9+ years of experience across more than 15 shipped titles, spanning mobile to AA multi-platform releases. I specialize in narrative and systems design, UI/UX, and live operations, with a track record of shipping cohesive experiences from concept to launch and leading design efforts across cross-functional teams. I'm deeply passionate about RPGs, roguelikes, and management/idle games—both as a player and as a developer. I draw inspiration from Japanese culture to craft stories and experiences that resonate with players and leave a lasting impact, blending world-building, character design, and meaningful messaging into gameplay.

Available to hire

I’m a senior game designer with 9+ years of experience across more than 15 shipped titles, spanning mobile to AA multi-platform releases. I specialize in narrative and systems design, UI/UX, and live operations, with a track record of shipping cohesive experiences from concept to launch and leading design efforts across cross-functional teams.

I’m deeply passionate about RPGs, roguelikes, and management/idle games—both as a player and as a developer. I draw inspiration from Japanese culture to craft stories and experiences that resonate with players and leave a lasting impact, blending world-building, character design, and meaningful messaging into gameplay.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Japanese

Beginner

French

Intermediate

Chinese

Beginner

Work Experience

Lead Game Designer at BAR EN A the Board game (Timba Games)

November 1, 2025 - Present

Designed a board game for kids aged 5+, upgrading core character arcs, balancing encounters, and creating a narrative-driven progression culminating in a campaign against El in the Crystal Arena.

Lead Game Designer

November 1, 2025 - Present

Contributed to multiple in-house and external projects by developing Game Design Docs (GDDs), creating design proposals, implementing system design, improving UI/UX, executing full redesigns, and providing creative and technical support across diverse project scopes.

Lead Game Designer at ARGOS - FORTNITE (Timba Games with Argos)

July 1, 2025 - August 31, 2025

Co-created a Fortnite-based design focusing on cross-brand synergy, balancing mode design, and integrating brand storytelling into gameplay.

Lead Game Designer at FREEFIRE GAME MODES (Timba Games with Big Red Button)

July 1, 2025 - July 31, 2025

Expanded core gameplay to design and polish two new multiplayer game modes, elevating mechanics with minimal asset additions while delivering a fresh, engaging experience for up to 30 players.

VR Zoo Tycoon at Timba Games with Big Red Button

July 1, 2025 - July 31, 2025

Redesigned an inputless prototype into a full VR Tycoon management game, preserving core VR features while enhancing usability and player engagement.

Lead Game Designer at ISekai QUARTET (Timba Games with Crunchyroll)

June 1, 2025 - July 31, 2025

Created a marke table transmedia experience for cross-platform promotion; redesigned core economy and character roles; integrated transmedia elements for a cohesive brand experience.

Lead Game Designer / Creative Director at BEARS IN THE BUBBLES (Timba Games)

June 1, 2025 - August 31, 2025

Created an interactive book experience for children 12+, combining simple interactions with immersive visuals, sound, and narrative to promote engagement with the print medium.

Lead Game Designer at PRO DOMINO (Timba Games with Pro Domino)

April 1, 2025 - August 31, 2025

Designed a Web3 Domino platform with multiple game modes; built PvP ranking and matchmaking; onboarded new players through modular tutorials and scalable environments.

Level Designer at DUAT - BEYOND LIGHT AND SHADOW (Timba Games with Fig Studio)

April 1, 2024 - June 30, 2024

Designed the full blueprint for the Duat overworld, mapping key locations, sequences, and challenges to deliver a cohesive, interconnected underworld experience.

Creative Director / Lead Designer at ARCANE PUNK (Timba Games)

March 1, 2024 - August 31, 2025

Co-designed base elements for a roguelite, action-focused RPG; defined setting, tone, and core combat loop; integrated narrative through world-building.

Lead Game Designer at In-House Game Design Consultant (Timba Games)

April 1, 2023 - August 31, 2025

Developed GDDs, design proposals, and implemented system design; improved UI/UX; executed full redesigns; provided creative and technical support across diverse project scopes for Timba Games.

GDD Designer at UNANNOUNCED TITLES (Timba Games)

December 1, 2022 - February 1, 2023

Co-authored GDDs and designed core mechanics for an unannounced title; integrated narrative and economy design with live ops planning.

GDD Designer at UNANNOUNCED TITLE (Timba Games)

September 1, 2022 - October 1, 2022

Contributed to concept, core systems, and narrative framework for an unannounced project; collaborated with cross-functional teams.

Level Designer at ALMIGHTY IDIOTS (Innovations Media)

September 1, 2021 - September 1, 2022

Led level design for mobile puzzle game concepts; collaborated with narrative and art to ensure cohesive level flow and engaging difficulty curves.

Game Designer at CRISTALES (Dreams Uncorporated)

September 1, 2019 - August 31, 2021

Contributed to storytelling, world-building, NPC/enemy design, and balancing; helped craft lore and setting for Dreams Uncorporated’s portfolio.

Experience Designer / Teacher at EXPERIENCE STEAM

April 1, 2016 - March 1, 2019

Led experience design, gamification and alternative learning methods using STEAM pedagogy; created curricula and ran workshops across multiple institutions.