Game Designer (Level Design - Data/AI Focus)

TL;DR

Game Designer (Level Design - Data/AI Focus): Designing and implementing level systems for mobile casual and puzzle games with an accent on data-driven optimization and AI-assisted workflows. Focus on building scalable level variations, analyzing player metrics, and utilizing logical algorithms to optimize difficulty curves.

Location: Onsite in Hanoi, Vietnam

Company

A game studio developing mobile casual and puzzle games with a global expert network including professionals from the US, France, and Turkey.

What you will do

• Design and implement level systems for mobile casual/puzzle games following gameplay logic and core mechanics.
• Utilize AI tools and logical algorithms for idea generation, classification, and difficulty optimization.
• Analyze post-release metrics such as win/fail/retry rates to iteratively improve level quality.
• Build layouts, objects, and rules using Unity Editor or internal proprietary tools.
• Collaborate with Art, PO, and Data teams to ensure levels align with product goals and player retention.
• Prepare comprehensive level sheets and design documentation based on market research.

Requirements

• 1+ year of experience as a Game or Level Designer, preferably in casual/puzzle mobile games.
• Technical background in IT, Computer Science, Data, or AI.
• Strong logical and algorithmic thinking to analyze constraints and solution conditions.
• Proficiency in Unity Editor and coding skills for data processing and logic validation.
• Must be based in Hanoi, Vietnam.

Nice to have

• Strong interest or experience in applying AI and automation tools to level generation.
• Familiarity with Sonat's existing game portfolio and ability to analyze its optimization opportunities.

Culture & Benefits

• Full statutory social, health, and unemployment insurance.
• Comprehensive wellness perks including free Yoga, Badminton, Football, and Pickleball clubs.
• Annual company trip support of up to VND 20,000,000.
• Performance-based rewards and a personalized career development roadmap.
• Free annual health check-ups at top-tier hospitals (Hong Ngoc or Thu Cuc).