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I’m Randall Lim Shi Hao, a game designer and developer who builds engaging gameplay systems with Unity and C#. I thrive on blending level design, progression mechanics, and polished UI/UX to create experiences players love. My work has consistently increased player engagement and shortened validation cycles through rapid prototyping and user-centered design. My experience ranges from QR-based authentication UI to robotics mentorship and school projects, underscoring a dedication to innovation, collaboration, and delivering high-quality digital products.…I’m Randall Lim Shi Hao, a game designer and developer who builds engaging gameplay systems with Unity and C#. I thrive on blending level design, progression mechanics, and polished UI/UX to create experiences players love. My work has consistently increased player engagement and shortened validation cycles through rapid prototyping and user-centered design. My experience ranges from QR-based authentication UI to robotics mentorship and school projects, underscoring a dedication to innovation, collaboration, and delivering high-quality digital products.

Randall Lim Shi Hao

Game Designer, Game Developer, UI Designer, +2

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I’m Randall Lim Shi Hao, a game designer and developer who builds engaging gameplay systems with Unity and C#. I thrive on blending level design, progression mechanics, and polished UI/UX to create experiences players love. My work has consistently increased player engagement and shortened validation cycles through rapid prototyping and user-centered design. My experience ranges from QR-based authentication UI to robotics mentorship and school projects, underscoring a dedication to innovation, collaboration, and delivering high-quality digital products.…I’m Randall Lim Shi Hao, a game designer and developer who builds engaging gameplay systems with Unity and C#. I thrive on blending level design, progression mechanics, and polished UI/UX to create experiences players love. My work has consistently increased player engagement and shortened validation cycles through rapid prototyping and user-centered design. My experience ranges from QR-based authentication UI to robotics mentorship and school projects, underscoring a dedication to innovation, collaboration, and delivering high-quality digital products.

Next availability:

April 27, 2026

Singapore, Singapore

I’m Randall Lim Shi Hao, a game designer and developer who builds engaging gameplay systems with Unity and C#. I thrive on blending level design, progression mechanics, and polished UI/UX to create experiences players love. My work has consistently increased player engagement and shortened validation cycles through rapid prototyping and user-centered design.

My experience ranges from QR-based authentication UI to robotics mentorship and school projects, underscoring a dedication to innovation, collaboration, and delivering high-quality digital products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Final Year Project at SIM-University of Wollongong - Singapore

June 1, 2024 - November 1, 2024

Built a QR-based multi-factor authentication system that reduced login time from 12 to 8 seconds, integrated secure authentication flows into mobile applications, and increased successful first-time login rates by 20% during onboarding simulations. Optimized UI flow to reduce login errors by 40% in controlled tests.

Robotics Projects Mentor at School Robotics Program

January 1, 2017 - November 1, 2017

Directed 3 robotics projects that ranked in the top 10% at national school competitions; mentored 5+ junior developers in C# and debugging techniques, boosting sprint completion rate from 50% to 80%; redesigned learning spaces using low-cost resources to triple room usage.

Administrative Role at National Service

May 1, 2019 - May 1, 2021

Maintained high-volume logistics and documentation workflows, achieving 100% procedural compliance during in-camp training sessions; coordinated unit-wide schedules and workflows, reducing overlap and conflict incidents by 20% over a 6-month cycle.