Lead Game Developer · EchoBlitz Studio

Rungsimun Saenprasert.

AI-Augmented Systems Engineer

building game clients and servers, developer tools, marketplace platforms, AI-assisted workflows, and self-hosted infrastructure

I work on Zone4’s game client, servers, and development tools. My other projects include a second-hand marketplace, a file-sharing service, and AI tools for everyday work.

View selected work View résumé
Portrait of Rungsimun Saenprasert
Bangkok, Thailand · Open to senior & lead roles
Years in professional software
9+
Public projects in the archive
63
Game-development projects
32
Disciplines, from IoT to computer vision
7
  • Unity
  • Unreal Engine 5
  • C++
  • C#
  • Lua
  • SQL Server
  • NifSkope
  • GameMaker
  • Multiplayer networking
  • Dedicated servers
  • Shaders
  • VR
  • Kinect
  • Arduino
  • Node.js
  • Vue.js
  • React
  • Fastify
  • MongoDB
  • PostgreSQL
  • SQLite
  • Docker
  • Kubernetes
  • Laravel
  • Flutter
  • OpenCV
  • TensorFlow
  • n8n
  • RAG
  • OpenAI APIs
  • AI coding agents
  • CI/CD
  • WebRTC

01 · Selected work

Selected work

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02 · Capabilities

From game servers
to AI agents.

One engineer across the stack: gameplay and live operations, the tools a team uses every day, and the platforms and automation behind them.

Game engineering

Client, server, and live-operations work on Zone4: gameplay, quests, events, UI, and SQL workflows.

  • C++
  • Lua
  • SQL Server
  • Unity

Developer tools

NifSkope 2026: hierarchy, inspector, workspaces, transforms, animation editing, and signed updates for the game’s asset workflow.

Platforms & automation

15 → 200+

Products listed per operator per hour after I automated FALINDA’s LINE product intake, as reported by the team.

  • Vue.js
  • Node.js
  • MongoDB
  • n8n

AI systems

Assistants and agent tooling with clear limits: grounded answers, scoped API keys, and human escalation for decisions.

  • RAG
  • OpenAI APIs
  • OpenAPI

Infrastructure

Self-hosted services on Docker, with Kubernetes and automated build-and-deploy pipelines going back to my DevOps work.

  • Docker
  • Kubernetes
  • CI/CD

03 · How I work

AI writes the code.
I own the system.

In my recent projects, AI writes the implementation code. I design the system, define the tasks, review the changes, and test them before release. Steps with a significant impact require human approval.

  1. 01Human

    Design

    Architecture, constraints, and data boundaries.

  2. 02Human

    Define

    Tasks with clear scope and acceptance checks.

  3. 03AI agent

    Implement

    AI coding agents write the implementation.

  4. 04Human

    Review

    I read the changes and the evidence behind them.

  5. 05Human + CI

    Verify

    Tests, builds, and real-world checks.

  6. 06Human

    Approve

    Consequential steps wait for a person.

Project pages note my contribution and, where AI was involved, how it was used.

04 · Experience

Experience

Six roles since 2017, from DevOps and full-stack web to Lead Game Developer.

  1. 2026.04—Present Now

    Lead Game Developer

    EchoBlitz Studio Co., Ltd. · Zone4

    Lead Zone4 development across the client, servers, team tools, and live operations.

  2. 2023.12—2026.03

    Senior Game Developer

    Electronics Extreme Co., Ltd. · Zone4

    Developed and maintained Zone4’s client, server, and data systems.

  3. 2020.04—2023.11

    Programmer

    MSOFT Company Limited

    Built Unity and Unreal projects, mobile apps, and computer-vision prototypes.

  4. 2019.07—2020.03

    Full Stack Developer

    Nextgen Solution Co., Ltd.

    Built Laravel websites, content management systems, and financial workflows.

  5. 2018.06—2019.06

    Game Developer

    Electronics Extreme

    Developed Unity multiplayer projects: Poring Destiny and Project ROBA. Poring Destiny was cancelled before release.

  6. 2017.07—2018.05

    DevOps Engineer

    Opsta

    Set up Kubernetes infrastructure and automated build and deployment pipelines for clients.

06 · Contact

Let’s build
what’s next.

Interested in senior and lead roles in game development, systems engineering, and AI-assisted development.

[email protected]