Contact

Sepehr

Software developer. Five years of Java, now Go and Rust.

100+plugins shipped
18client reviews
5years of experience

Selected work

My work in order, newest first. Click any screenshot to enlarge it.

2026 Go + Rust · own project

Bot fleet

A Rust Minecraft bot that performs actions on servers and farms in-game money, and a Go backend with a Vue panel that manages many of them. Each bot instance runs on its own VPS, with a small Go agent beside it reporting back to the controller.

  • Rust bot built on the open-source azalea library
  • Go controller and Vue panel (Go + TypeScript)
  • Go agent on every VPS

Rust · Go · Vue · TypeScript

2025 – now Open source · 4 stars

Blueprint

A framework to unify Paper, Velocity and other Minecraft projects with a modular design and minimal code. It is the base I now build new plugins on, and it is public on GitHub.

  • Commands, configuration and modules in one API
  • still in active development

Java · Framework

View on GitHub ↗

Jan 7 – Dec 19, 2025 Server I ran

DumbleLand

A Minecraft server that I ran and developed with my friend Lecer. We wrote the economy, claims, essentials, Slimefun content and the Discord bot ourselves, and the server had its own website and ruby store.

  • Custom blocks and machines (Dumble Expansion)
  • Discord bot: rules, tickets, claim logs and duplication alerts
  • GTA-style roleplay gamemode with roles, levels, shops, mines and a profile HUD

Java · Paper · Slimefun · Discord

YouTube channel ↗

Jun 2024 – Jan 2026 Software Developer, JustMC network

JustMC network

Plugin developer for the JustMC prison network. Over about 12 months I wrote or maintained roughly 25 plugins for it.

  • Jobs and Tools
  • Gangs, RankUP, Pets, Robots, Cells, BlackMarket and more
  • Minigames platform with its API, and Duels
  • 2FA, queue and chat games

Java · Paper

2023 – 2025 Hosted and built

Youtuber Events

I host server events and build the plugins behind them. IslandsWar ran for multiple seasons for the YouTuber Doormendez, on an event plugin, with up to 200 players online at once. I also hosted the SirMrNaruto event and PastoSMP.

  • IslandsWar: multiple seasons hosted for Doormendez
  • SirMrNaruto event and PastoSMP
  • Up to 200 players concurrently

Java

May – Jul 2025 Plugins for a skyblock server

Minefront

Two plugins for a skyblock server built on SuperiorSkyblock2: a masteries system where players level ore, crop, mob and farming tiers for perks, and island collectors with a value cauldron and a transaction history.

  • Masteries with tiers, perks, XP sources and achievement rewards
  • Island collector, value cauldron and transaction history
  • Paper 1.20.4, hooked into SuperiorSkyblock2 and the shop and stacker plugins

Java · Paper · SuperiorSkyblock2

Client reviews

Public feedback from BuiltByBit customers.

“Dumbledodo is very communicative, understanding, patient, and knowledgeable at what they do.”
Williambriggs
Daily progress updates even when the progress was only code, and bug fixes a week or two after delivery.
“Amazing developer. Have had the pleasure of working with him on multiple of my projects and has an extensive knowledge on Minecraft plugin development.”
Carry Lord
Developed multiple features for a PvP server.
“He is incredibly fast and always delivers on time. What impressed me most was his attention to detail—every bug was promptly corrected, ensuring a smooth experience.”
xXPavoXx
Custom Java plugin development.
“I recently used a plugin by The Dumbledodo for Minecraft, and it significantly improved my gameplay. The plugin seamlessly added exciting features to my server, impressing my community.”
vicco0x
A statistics-management plugin for vanilla and modded Minecraft with a public REST API.
“Dumbledoo did an amazing job developing my Minecraft plugins. Their work was fast, reliable, and the plugins turned out exactly how I wanted. They communicated well and fixed any issues quickly.”
Yohhan
A couple of custom plugins.
“Developer was extremely communicative and was excellent in assisting with debugging and understanding my needs as a client. Got the job done in a reasonable time frame as well.”
XGN_XLency
Delivered the plugin quickly and checked it worked after delivery and payment.

On GitHub

Most of my client work is private. Here is the public side of it.

12public repositories
23followers
5stars on my own repos
2020on GitHub since

Stack

Languages

  • Java
  • Go
  • Rust
  • TypeScript

Backend

  • Spring Boot
  • Spring Security
  • Spring Data / JPA
  • Hibernate
  • REST APIs

Frontend

  • Next.js
  • Vue

Data

  • MySQL
  • PostgreSQL
  • MongoDB

Tools

  • Gradle
  • Maven
  • Git
  • Linux

Projects

113 projects, grouped by where I built them.

JustMC networkJun 2024 – Jan 202620
  • JustMC network

    The JustMC prison network, where I worked as a Software Developer.

    3 screenshots
  • Jobs

    The base plugin of the JustMC prison gamemode. Handles job progression.

  • Tools

    Custom tools with token-powered enchantments: a Token Bag, proc chance and an enchant limit that players upgrade from a menu.

    Screenshot
  • Gangs

    Gangs for the prison gamemode.

  • RankUP

    Rank progression for the prison gamemode.

  • Pets

    Pets that plug into the RankUP and Tools plugins.

  • RobotsContributor

    Robots that work together with the Cells plugin.

  • Cells

    Prison cells.

  • BlackMarket

    A black market for the prison gamemode.

  • MagicDust

    Magic dust upgrade items.

  • Sets

    Armour sets.

  • Pouches

    Item pouches.

  • AntiAFK

    Anti-AFK checks.

  • Bloodbath

    Bloodbath event.

  • Titles

    Player titles exposed through PlaceholderAPI.

  • Boxes

    Loot boxes.

  • ChatColor

    Chat colour selection.

  • 2FA

    Adds a second step to logging in, with /2fa and /login. Runs on both Paper and Velocity.

  • Queue

    Server queue.

  • SimpleChatGames

    Chat games started with /chatgames.

Elysian and Prisons202418
  • Elysian Capture

    Capture points for the PvP server.

  • Elysian StaffCo-developer

    Staff tools. Most other Elysian plugins depend on it.

  • Prisons Guards

    Prison guards you spawn with /spawnGuard, drawn with PacketEvents.

  • Elysian Monuments

    Monuments, with /monument and a stored-region command.

  • Elysian CollectorsCo-developer

    Collectors with hologram displays and Vault payouts.

  • Elysian OutpostsCo-developer

    Outposts built on the Mothership core.

  • Elysian EssenceCo-developer

    Essence plugin.

  • Elysian VaultsContributor

    Vaults.

  • Elysian Armor SetsCo-developer

    Armour sets.

  • Prisons CraftingContributor

    Crafting for the prisons server.

  • Elysian KitsCo-developer

    Kits.

  • Elysian Locked BoxCo-developer

    Locked boxes with hologram displays.

  • Elysian UtilsCo-developer

    Shared utilities for the other Elysian plugins.

  • Elysian ShopContributor

    Shop.

  • Sets and SkinsContributor

    Armour sets and item skins, with /armorsets and /itemskins.

  • Prisons Enchants

    Custom enchants for the prisons server.

  • Prisons UsersContributor

    Player data for the prisons plugins.

  • Prisons Pets

    Pets drawn with custom models. The last delivery for this server.

DumbleLandJan 7 – Dec 19, 202517
  • DumbleLand

    The DumbleLand server I ran and developed with Lecer.

    Screenshot
  • Lobby

    The DumbleLand lobby with the server selector.

    Screenshot
  • DumbleLand Website

    The DumbleLand website and store, written in Next.js and TypeScript.

    5 screenshots
  • Dumble ExpansionContributor

    A custom-made Slimefun addon for DumbleLand: custom blocks, machines, items and recipes.

    4 screenshots
  • Dumble ClaimCo-developer

    Land claims with Slimefun and Vault hooks and packet-based visuals.

  • Dumble EssentialsContributor

    Core commands for the server. Also reports possible duplication to the Discord bot and logs claim contents.

    2 screenshots
  • Dumble RolePlayContributor

    The GTA-style roleplay gamemode: roles such as police and hitman, levels, mines, shops, weapons and ammo, vending machines and a profile HUD.

    22 screenshots
  • Dumble DiscordContributor

    The Discord bot: rules, tickets, claim logs and duplication alerts.

    2 screenshots
  • Dumble SlimefunFork

    Our fork of Slimefun, adapted for DumbleLand.

  • Dumble NetworkContributor

    The Paper side of the proxy bridge, with vanish support.

  • Dumble NetworksCo-developer

    A fork of the Networks Slimefun addon, adapted for DumbleLand.

  • Dumble Claim Fly

    Flight inside your own claim.

  • Dumble CurrencyContributor

    Server economy and the rank perks menus.

    Screenshot
  • Dumble EnchantmentsContributor

    Custom enchantments.

  • Dumble Chest ShopContributor

    Chest shops tied into claims and the economy.

  • Dumble Hologram

    Packet-based holograms.

  • Dumble ApartmentsContributor

    Apartments.

Paradise City2021 – 20237
  • Paradise CoreCo-developer

    Core plugins for the survival server.

  • Paradise ExpansionContributor

    A custom-made Slimefun addon for the server.

  • Paradise EventCo-developer

    Event plugin with broadcast, countdown, day and deaths commands.

  • Paradise Claim

    Land claims with hologram previews and Geyser support.

  • Paradise MusicCo-developer

    A Discord music bot that plays from YouTube and SoundCloud.

  • Paradise WebsiteCo-developer

    Server website, in Java and JavaScript.

  • Paradise DiscordContributor

    Discord integration.

Events2023 – 20255
  • Dumbol Event

    The plugin behind the IslandsWar event: game, day and deaths commands, broadcast channels and proximity voice chat.

  • Dumbol DoormendezContributor

    The Doormendez event plugin: menus, holograms and WorldGuard regions.

  • Squid Game event

    Squid Game event with game and admin commands, a PvP toggle, player collision and a skin changer. Includes the glass-bridge arena. Fixed and improved overnight.

    Screenshot
  • Pasto SMP Event

    Event plugin for PastoSMP.

  • Donofa Events

    Events plugin.

MinefrontMay – Jul 20252
  • MFMasteries

    Masteries for a skyblock server: ore, crop, mob and farming masteries with tiers and perks, plus combat and dungeon XP sources and achievement rewards.

    6 screenshots
  • MFCollectors

    Island collectors for a skyblock server: a collector, an island value cauldron and a transaction history, with hologram displays.

    3 screenshots
ConvictedGGJun 2025 – Jun 20267
  • ConvictedGangs

    Gangs, with state synced through Redis. Depends on ConvictedCore.

  • ConvictedCore

    The shared core the other Convicted plugins depend on.

  • Oxygen

    Oxygen plugin.

  • ConvictedEnvironments

    Environments built with ModelEngine models and FancyHolograms.

  • ConvictedArmory

    Armory plugin, hooked into AuraSkills and HMCWraps.

  • Cintro FarmingCo-developer

    Custom crop management.

  • Recipe Book

    Recipe book, with /recipebook.

Client work2023 – 20268
  • AgriDeco

    Farming and decoration plugin.

  • Chronos Core

    Spawners core.

  • Server events pluginCo-developer

    Events plugin for a private client.

  • cDiscordContributor

    Minecraft-to-Discord sync plugin.

  • Cast Charm

    Charms, with /charm and /castcharm.

  • Cast Gen BoosterContributor

    Generator and island boosters.

  • Cast Mobs

    Custom mobs, with /castentity.

  • BackPack

    Wearable backpacks stored by NBT id, with a database repository layer, armour-stand rendering and a container GUI.

    3 screenshots
Infria202420
  • Core

    The core plugin for the network, hooked into Vault and Essentials.

  • Auction House

    Auction house where players list and buy items.

  • Auto Miner

    Auto miner, with PlaceholderAPI placeholders.

  • Battle Pass

    Battle pass with tiers and rewards.

  • BlackMarket

    Black market NPC with timed stock, a hologram and one purchase per IP.

    Screenshot
  • Boosters

    Boosters that plug into ShopGUIPlus.

  • Bosses

    Custom bosses.

  • Bounty

    Player bounties, paid out through Vault.

  • Cells

    Prison cells, with SuperiorSkyblock2 and zMenu menus.

  • Coin Flip

    Coin flip betting between players.

  • Crates

    Crates with hologram displays.

  • Duels

    Duels with WorldGuard arenas.

  • Envoy

    Envoy drops.

  • Events

    Server events.

  • Gangs

    Gangs, built on top of Cells.

  • KoTH

    King of the Hill events.

  • Lucky Blocks

    Lucky blocks.

  • Shards

    Shards, with a /shard command.

  • Tags

    Player tags, with PlaceholderAPI support.

  • Tournaments

    Tournaments.

Go and Rust20265
  • donut-trader

    Rust Minecraft bot that farms money and acts on servers. Built on the open-source azalea library.

  • donut-controllerCo-developer

    Go backend and Vue panel that manage the bots, which run on separate VPSs.

    4 screenshots
  • donut-agent

    Go agent that runs next to the bots on each VPS.

  • donut-shop

    Rust tool.

  • donut-stats

    Rust stats tool.

Own libraries and plugins2023 – 20264
  • Blueprint

    Framework to unify Paper, Velocity and other projects with a modular design and minimal code. Public on GitHub.

  • Minigames

    Hosts minigame instances in preloaded arena worlds, with a hub plugin for the lobby side.

  • Duels

    A duels minigame built on my Minigames API.

  • Minigames API

    The shared API the minigame plugins build on.

Let’s work together.

Find me as The_Dumbledodo on Discord, in game and on GitHub.