Sariakiniaina Rafanomezantsoa · aka s4r14k

I build game systemsand web products,then teach how.

I publish Unreal Engine 5 plugins on FAB, teach UE5 C++ on Udemy and my YouTube channel EIS Dev, and I've been building for the web since 2015, for companies like DIRIS, Simulabox and Sofraco.

See selected work →Start a project
ƒs4r14k
Exec
Game tools
Web products
Teaching
ƒUE5 Plugins
5 plugins on the FAB store
ƒClient Platforms
100+ CMS sites, plus custom platforms
ƒEIS Dev
Udemy course + YouTube
Worked withDIRISSimulaboxSofracoEverReady.aiHelloproHedee.coOrthologick
Selected work

Things I've shipped

One project in depth, then client work. Every project on the site is also on the portfolio page.

2D Platformer GameFEATURED · FAB STORE
Unreal EngineC++2025

2D Platformer Game

Problem
Unreal Engine is built for 3D. Starting a 2D platformer means rebuilding movement, camera and game rules from scratch.
Built
A ready-to-extend template: double jump, wall slide, enemy AI, collectibles and a save system. The core runs in C++ with Blueprint hooks for designers.
View on FABSource on GitHubFull write-up
Simulabox

Simulabox

2023
Full-stack · React · Node.js

Wealth-management simulation platform: a client app, an admin back office and a real-time Node.js API.

Sofraco Company Project

Sofraco Company Project

2022
Full-stack · React · MongoDB

Full-stack developer for the Sofraco company project

EverReady.ai Project

EverReady.ai Project

2021
Full-stack · Angular · Kotlin

Company project for EverReady.ai as a full-stack developer

Unreal Engine tools

On the FAB store

Drop-in systems for Unreal Engine 5, written in C++ and exposed to Blueprint.

Smart Tilemap Builder painting a 2D level with slopes and merged collision in Unreal EngineNEW ON FAB

Smart Tilemap Builder

Build 2D and 2.5D levels by painting them. The plugin picks the right tile, stacks the depth layers and rebuilds the collision as you paint.

  • Auto-tiling (16 or 47 tiles)
  • 45° and 30° slopes
  • Merged collision
  • Parallax depth layers
  • Procedural generation
Unreal Engine 5.7 – 5.8View on FAB →
2D Platformer Template for Unreal Engine

2D Platformer template

A full platformer starter: movement, enemies, pickups and saves.

Unreal Engine 5FAB →
Minimap System for Unreal Engine

Minimap system

A configurable minimap that drops into an existing project.

Unreal Engine 5FAB →
Dialogue Widget System for Unreal Engine

Dialogue Widget

Cinematic conversations with branching choices.

Unreal Engine 5FAB →
Simple Save Game System for Unreal Engine

Simple Save Game

Save and load player progress and game state in a few clicks.

Unreal Engine 5FAB →
Teaching · EIS Dev

I teach what I build

My motto is “the virtual world can change the real world”. I teach game development so more people can build their own.

Cover of the Udemy course Make a 2D Platformer in UE5 C++

Make a 2D Platformer in UE5 C++

A complete Udemy course: Paper2D setup, player and enemies, wall jumps, health, save systems and a modular project structure.

4.2Rating

“Clear, well-paced, and covers everything I needed to publish my first platformer.”

Open on Udemy →

EIS Dev on YouTube

Subscribe →

Game development and programming tutorials, mostly Unreal Engine.

Build a 2D Level in Unreal in 2 Minutes - Smart Tilemap Builder
Create Cinematic Dialogues in Unreal Engine | Dialogue Widget Plugin Tutorial
Make Your 2D Platformer Game in Unreal Engine - Part II
Journey

Since 2019

Selected projects, newest first: from WordPress sites to Unreal Engine plugins.

GameWeb & appsTeaching
  1. 2026Conversational CMSA Next.js site whose owner edits content in plain language from Slack, through an AI agent.Full-stack · AI
  2. 2026Smart Tilemap BuilderUnreal Engine plugin for painting 2D and 2.5D levels in the viewport, with auto-tiling, slopes and merged collision.Plugin author · C++
  3. 2026WooCommerce Category Mega MenuWordPress plugin: a horizontal category menu with full-width mega menus, badges and a promo column.Plugin author · PHP
  4. 2026WooCommerce ↔ PrestaShop SyncWordPress plugin that syncs orders, statuses, tracking and stock between WooCommerce and PrestaShop.Plugin author · PHP
  5. 2026Generate Products from MediaWordPress plugin that creates WooCommerce products in bulk from Media Library images.Plugin author · PHP
  6. 2026MP3 APINestJS API that searches the licensed Jamendo music catalog and returns playable MP3s and metadata.Back end · NestJS
  7. 2025Catering EstimatorWordPress plugin: a multi-step quote form for catering, with live pricing and saved estimates.Plugin author · PHP
  8. 20252D Platformer GameA 2D platformer game built with Unreal Engine 5 and C++Unreal Engine · C++
  9. 2025EIS CalculatoriOS calculator app in SwiftUI with functions, history and a unit converter, plus its support website.iOS app · Swift
  10. 2025Love Story TemplateUnreal Engine C++ plugin for visual-novel style love stories, with dialogue and branching choices.Plugin author · C++
  11. 2024Make a 2D Platformer in Unreal Engine 5An in-depth Udemy course that teaches how to build a complete 2D platformer game using Unreal Engine 5 and C++.Unreal Engine 5 · C++
  12. 2024Orthologick Back-officeCustom theme and plugins with WordPress for OrthologickWordPress · PHP
  13. 2023SimulaboxWealth-management simulation platform: a client app, an admin back office and a real-time Node.js API.Full-stack · React · Node.js
  14. 2023Randstad Voice PipelineReal-time voice pipeline for Randstad: speech recognition and neural text-to-speech, streamed over WebSockets.Client work with DIRIS · Python
  15. 2023Stéphane Ayrault Portfolio WebsitePortfolio website built with Wix for Stéphane Ayrault, a professional therapist and coach.Web design · Wix
  16. 2023GirisSubscription and billing back end with Stripe, plus a desktop app for screen sharing and remote control over WebRTC.Client work with DIRIS · Full-stack
  17. 2022MISA Unreal PluginUnreal Engine plugin that connects a game to the MISA platform through its REST API.Client work with DIRIS · C++
  18. 2022Sofraco Company ProjectFull-stack developer for the Sofraco company projectFull-stack · React · MongoDB
  19. 2022GIZMO Mobile AppCreated an Android mobile application with Android StudioMobile · Java
  20. 2021EverReady.ai ProjectCompany project for EverReady.ai as a full-stack developerFull-stack · Angular · Kotlin
  21. 2021Fitting Room 3DVirtual fitting room: a Kinect body scan turned into a 3D model, with a mirror effect.3D scanning · Python
  22. 2020Hedee.co Website and Back-officeCreated website and back-office for the company HEDEE.COFull-stack · Angular · WordPress
  23. 2019Hellopro WebsiteWebsite for Hellopro.fr under the project HellotanaFront-end · WordPress
Stack

What I work with

Grouped by the kind of work, next to where I've used each tool.

Game

  • Unreal Engine 55 plugins, 1 course
  • C++FAB plugins
  • Blueprintdesigner hooks
  • Paper2DPlatformer

Front end

  • React / Next.jsSimulabox, Sofraco
  • AngularEverReady.ai, Hedee.co
  • TypeScriptdaily
  • WordPress · PrestaShop · Odoo100+ sites

Back end & tools

  • Node.jsAPIs
  • KotlinEverReady.ai
  • PHP · MySQL · MongoDBclient platforms
  • Git · Dockereverywhere

Contact

Got a game system or web product to build?

Tell me what you're making: a plugin, a game mechanic, a web platform or a course collaboration.

GitHubLinkedInYouTubeFAB storeUdemyAbout me