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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

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 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 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.

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 / 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 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.

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 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 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.

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.

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.

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.

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.

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.