Unity Gameplay and UI Engineer

John
Melvin

Unity and C# engineer with 16 years shipping mobile and PC games. I build gameplay systems, UI, and the editor tools that let designers and artists iterate without waiting on code.

Unity / C# Gameplay Systems UI Implementation Editor Tooling Mobile Live Ops

Experience

Broken Circle Studios

2025 - Present

Software Engineer · Unity / C#

Core systems for rewards, collectibles, player profiles, seasonal content, and board mechanics on premium mobile projects, including a major-IP mobile title now live in tech beta. Focused on modularity, maintainability, and close collaboration with design and art.

Unplay, Inc

2023 - 2025

Senior Software Engineer · Unity / C#

Reported to CTO. Shipped critical UI and gameplay features for a VC-backed immersive storytelling platform. Integrated complex database backends, voice/video chat, and built custom Unity tools to streamline production.

KingsIsle Entertainment / Wimo Games

2013 - 2022

Software Engineer to Lead Software Engineer · Unity / C#

Nearly a decade with the same team through the company's split into a dedicated mobile studio. Started as a UI programmer on Wizard101 and Pirate101 for 18 months, then moved to mobile as a UI and gameplay engineer on War Goonz and RPG Dice. Promoted to technical lead on RPG Dice: Heroes of Whitestone, running live operations, rapid bug resolution, and continuous version updates while coordinating a team of four engineers.

Paul Bernhart Exhibits

2010 - 2013

Interactive Programmer · ActionScript / AIR

Interactive multimedia exhibits for museums and private clients, including the Perot Museum of Nature and Science and Garden of the Gods Visitor Center.

Projects

Now Unannounced major-IP mobile title Broken Circle Studios · Live in tech beta

Featured · Mobile RPG

RPG Dice: Heroes of Whitestone

Wimo Games · Mobile

Primary UI developer and gameplay engineer on a 5v5 turn-based hero collector, later technical lead through live operations. Built combat, inventory, guild, achievement, seasonal event, and PvP Arena screens from design comps.

Combat and inventory screens, built from design comps
Guild, achievement, and seasonal event screens
PvP Arena with competitive leaderboards
Technical lead through live operations: continuous version updates and rapid bug resolution

Unity C# uGUI TextMeshPro DOTween Live Ops PvP Analytics

RPG Dice: Heroes of Whitestone key art, five heroes facing an armored boss in a dungeon hall — Boss encounter. Built the combat UI and turn flow.

Faction Strongholds map with locked faction banners and countdown timers — Faction Strongholds. Built the full screen from design comps: faction banners, lock states, and live countdown timers.

Board map with quest tracker, currency bar, and dice roll button — Board map. Built the HUD: profile view, quest tracker, currency bar, Forge and Heroes shortcuts, and the dice roll button.

Trouble Brewing skill check dialog with hero bonuses, a d20 roll, and the goal value — Skill check event. Built the dialog, hero bonus checks, and the animated d20 roll and result.

Campaign map with chapter nodes, star progress track, and difficulty selector — Campaign map. Built chapter nodes, lock states, the star progress track with reward milestones, and the difficulty selector.

RPG Dice: Heroes of Whitestone launch trailer

Social RPG

LiveTale

Unplay, Inc. · 2023 to 2025

Senior Software Engineer

Online social roleplaying game. Rapid prototyping of experimental mechanics and immersive systems.

In-game authoring tools for designers
Database backend integration
Voice and video chat integration
Custom Unity tools to streamline production

Unity C# Multiplayer Editor Tooling

Match-3

Trailer Park Boys Match

Broken Circle Studios · Mobile

Features and systems engineer

Brand-based match-3 character collector.

UI and progression mechanics
Character collection
Tutorials and reward systems
Narrative systems

Unity C# Mobile

Trailer Park Boys Match soft launch gameplay

PC MMO

Wizard101 and Pirate101

KingsIsle Entertainment · PC

UI programmer for 18 months on two long-running PC MMOs. Built front-end interfaces and new features in Scaleform and AS3.

Scaleform AS3 MMO

Interactive Exhibits

Museum Installations

Paul Bernhart Exhibits · 2010 to 2013

Interactive exhibits for the Perot Museum of Nature and Science and the Garden of the Gods Visitor Center.

Built to run unattended on a public museum floor, driven by custom input hardware.

ActionScript AIR Custom Hardware

More projects

War Goonz

Tower Defense

Primary UI developer, plus gameplay work on enemy AI, resource management, city building, and async multiplayer raids.

Video

Monster Battle World

Monster Collector

Monster collection, evolution, and base management with rage and special ability combat. User interface and gameplay systems.