Justus Decker

@Justus_Decker

I’m Justus, 25 years old, Backend developer student at Masterschool, a tech enthusiast and python game developer, artist & musician.

Bremen, Germany (9:05 AM)
justusdecker
in/justus-decker
https://justusdecker.de/
Joined May 25 2025
hireable

{"Unknown Language": "#1f9aef", "Ant Build System": "#A9157E", "Browserslist": "#ffd539", "Cloud Firestore Security Rules": "#FFA000", "Elvish Transcript": "#55BB55", "Gemfile.lock": "#701516", "Genero": "#63408e", "Genero Forms": "#d8df39", "Isabelle ROOT": "#FEFE00", "JAR Manifest": "#b07219", "Meson": "#007800", "Procfile": "#3B2F63", "Quake": "#882233", "Record Jar": "#0673ba", "Singularity": "#64E6AD", "wdl": "#42f1f4", "Julia REPL": "#a270ba", "Pip Requirements": "#FFD343", "Dune": "#89421e", "1C Enterprise": "#814CCC", "2-Dimensional Array": "#38761D", "4D": "#004289", "ABAP": "#E8274B", "ABAP CDS": "#555e25", "AGS Script": "#B9D9FF", "AIDL": "#34EB6B", "AL": "#3AA2B5", "AMPL": "#E6EFBB", "ANTLR": "#9DC3FF", "API Blueprint": "#2ACCA8", "APL": "#5A8164", "ASP.NET": "#9400ff", "ATS": "#1ac620", "ActionScript": "#882B0F", "Ada": "#02f88c", "Earthly": "#2af0ff", "Adblock Filter List": "#800000", "Adobe Font Metrics": "#fa0f00", "Agda": "#315665", "Alloy": "#64C800", "Alpine Abuild": "#0D597F", "Altium Designer": "#A89663", "AngelScript": "#C7D7DC", "Antlers": "#ff269e", "ApacheConf": "#d12127", "Apex": "#1797c0", "Apollo Guidance Computer": "#0B3D91", "AppleScript": "#101F1F", "Arc": "#aa2afe", "AsciiDoc": "#73a0c5", "AspectJ": "#a957b0", "Assembly": "#6E4C13", "Astro": "#ff5a03", "Asymptote": "#ff0000", "Augeas": "#9CC134", "AutoHotkey": "#6594b9", "AutoIt": "#1C3552", "Avro IDL": "#0040FF", "Awk": "#c30e9b", "B4X": "#00e4ff", "BASIC": "#ff0000", "BQN": "#2b7067", "Ballerina": "#FF5000", "Batchfile": "#C1F12E", "Beef": "#a52f4e", "Berry": "#15A13C", "BibTeX": "#778899", "Bicep": "#519aba", "Bikeshed": "#5562ac", "Bison": "#6A463F", "BitBake": "#00bce4", "Blade": "#f7523f", "BlitzBasic": "#00FFAE", "BlitzMax": "#cd6400", "Bluespec": "#12223c", "Bluespec BH": "#12223c", "Boo": "#d4bec1", "Boogie": "#c80fa0", "Brainfuck": "#2F2530", "BrighterScript": "#66AABB", "Brightscript": "#662D91", "C": "#555555", "C#": "#178600", "C++": "#f34b7d", "CAP CDS": "#0092d1", "CLIPS": "#00A300", "CMake": "#DA3434", "COLLADA": "#F1A42B", "CSON": "#244776", "CSS": "#563d7c", "CSV": "#237346", "CUE": "#5886E1", "CWeb": "#00007a", "Cabal Config": "#483465", "Caddyfile": "#22b638", "Cadence": "#00ef8b", "Cairo": "#ff4a48", "Cairo Zero": "#ff4a48", "CameLIGO": "#3be133", "Cap'n Proto": "#c42727", "Carbon": "#222222", "Ceylon": "#dfa535", "Chapel": "#8dc63f", "ChucK": "#3f8000", "Circom": "#707575", "Cirru": "#ccccff", "Clarion": "#db901e", "Clarity": "#5546ff", "Classic ASP": "#6a40fd", "Clean": "#3F85AF", "Click": "#E4E6F3", "Clojure": "#db5855", "Closure Templates": "#0d948f", "CodeQL": "#140f46", "CoffeeScript": "#244776", "ColdFusion": "#ed2cd6", "ColdFusion CFC": "#ed2cd6", "Common Lisp": "#3fb68b", "Common Workflow Language": "#B5314C", "Component Pascal": "#B0CE4E", "Coq": "#d0b68c", "Crystal": "#000100", "Csound": "#1a1a1a", "Csound Document": "#1a1a1a", "Csound Score": "#1a1a1a", "Cuda": "#3A4E3A", "Curry": "#531242", "Cylc": "#00b3fd", "Cypher": "#34c0eb", "Cython": "#fedf5b", "D": "#ba595e", "D2": "#526ee8", "DM": "#447265", "Dafny": "#FFEC25", "Darcs Patch": "#8eff23", "Dart": "#00B4AB", "DataWeave": "#003a52", "Debian Package Control File": "#D70751", "DenizenScript": "#FBEE96", "Dhall": "#dfafff", "DirectX 3D File": "#aace60", "Dockerfile": "#384d54", "Dogescript": "#cca760", "Dotenv": "#e5d559", "Dylan": "#6c616e", "E": "#ccce35", "ECL": "#8a1267", "ECLiPSe": "#001d9d", "EJS": "#a91e50", "EQ": "#a78649", "Easybuild": "#069406", "Ecere Projects": "#913960", "Ecmarkup": "#eb8131", "Edge": "#0dffe0", "EdgeQL": "#31A7FF", "EditorConfig": "#fff1f2", "Eiffel": "#4d6977", "Elixir": "#6e4a7e", "Elm": "#60B5CC", "Elvish": "#55BB55", "Emacs Lisp": "#c065db", "EmberScript": "#FFF4F3", "Erlang": "#B83998", "Euphoria": "#FF790B", "F#": "#b845fc", "F*": "#572e30", "FIGlet Font": "#FFDDBB", "FIRRTL": "#2f632f", "FLUX": "#88ccff", "Factor": "#636746", "Fancy": "#7b9db4", "Fantom": "#14253c", "Faust": "#c37240", "Fennel": "#fff3d7", "Filebench WML": "#F6B900", "Fluent": "#ffcc33", "Forth": "#341708", "Fortran": "#4d41b1", "Fortran Free Form": "#4d41b1", "FreeBasic": "#141AC9", "FreeMarker": "#0050b2", "Frege": "#00cafe", "Futhark": "#5f021f", "G-code": "#D08CF2", "GAML": "#FFC766", "GAMS": "#f49a22", "GAP": "#0000cc", "GCC Machine Description": "#FFCFAB", "GDScript": "#355570", "GEDCOM": "#003058", "GLSL": "#5686a5", "GSC": "#FF6800", "Game Maker Language": "#71b417", "Gemini": "#ff6900", "Genero 4gl": "#63408e", "Genero per": "#d8df39", "Genie": "#fb855d", "Genshi": "#951531", "Gentoo Ebuild": "#9400ff", "Gentoo Eclass": "#9400ff", "Gerber Image": "#d20b00", "Gherkin": "#5B2063", "Git Attributes": "#F44D27", "Git Config": "#F44D27", "Git Revision List": "#F44D27", "Gleam": "#ffaff3", "Glimmer JS": "#F5835F", "Glimmer TS": "#3178c6", "Glyph": "#c1ac7f", "Gnuplot": "#f0a9f0", "Go": "#00ADD8", "Go Checksums": "#00ADD8", "Go Module": "#00ADD8", "Go Workspace": "#00ADD8", "Godot Resource": "#355570", "Golo": "#88562A", "Gosu": "#82937f", "Grace": "#615f8b", "Gradle": "#02303a", "Gradle Kotlin DSL": "#02303a", "Grammatical Framework": "#ff0000", "GraphQL": "#e10098", "Graphviz (DOT)": "#2596be", "Groovy": "#4298b8", "Groovy Server Pages": "#4298b8", "HAProxy": "#106da9", "HCL": "#844FBA", "HLSL": "#aace60", "HOCON": "#9ff8ee", "HTML": "#e34c26", "HTML+ECR": "#2e1052", "HTML+EEX": "#6e4a7e", "HTML+ERB": "#701516", "HTML+PHP": "#4f5d95", "HTML+Razor": "#512be4", "HTTP": "#005C9C", "HXML": "#f68712", "Hack": "#878787", "Haml": "#ece2a9", "Handlebars": "#f7931e", "Harbour": "#0e60e3", "Haskell": "#5e5086", "Haxe": "#df7900", "HiveQL": "#dce200", "HolyC": "#ffefaf", "Hosts File": "#308888", "Hy": "#7790B2", "IDL": "#a3522f", "IGOR Pro": "#0000cc", "INI": "#d1dbe0", "Idris": "#b30000", "Ignore List": "#000000", "ImageJ Macro": "#99AAFF", "Imba": "#16cec6", "Inno Setup": "#264b99", "Io": "#a9188d", "Ioke": "#078193", "Isabelle": "#FEFE00", "J": "#9EEDFF", "JCL": "#d90e09", "JFlex": "#DBCA00", "JSON": "#292929", "JSON with Comments": "#292929", "JSON5": "#267CB9", "JSONLD": "#0c479c", "JSONiq": "#40d47e", "Janet": "#0886a5", "Jasmin": "#d03600", "Java": "#b07219", "Java Properties": "#2A6277", "Java Server Pages": "#2A6277", "Java Template Engine": "#2A6277", "JavaScript": "#f1e05a", "JavaScript+ERB": "#f1e05a", "Jest Snapshot": "#15c213", "JetBrains MPS": "#21D789", "Jinja": "#a52a22", "Jison": "#56b3cb", "Jison Lex": "#56b3cb", "Jolie": "#843179", "Jsonnet": "#0064bd", "Julia": "#a270ba", "Jupyter Notebook": "#DA5B0B", "Just": "#384d54", "KRL": "#28430A", "Kaitai Struct": "#773b37", "KakouneScript": "#6f8042", "KerboScript": "#41adf0", "KiCad Layout": "#2f4aab", "KiCad Legacy Layout": "#2f4aab", "KiCad Schematic": "#2f4aab", "Kotlin": "#A97BFF", "LFE": "#4C3023", "LLVM": "#185619", "LOLCODE": "#cc9900", "LSL": "#3d9970", "LabVIEW": "#fede06", "Lark": "#2980B9", "Lasso": "#999999", "Latte": "#f2a542", "Less": "#1d365d", "Lex": "#DBCA00", "LigoLANG": "#0e74ff", "LilyPond": "#9ccc7c", "Liquid": "#67b8de", "Literate Agda": "#315665", "Literate CoffeeScript": "#244776", "Literate Haskell": "#5e5086", "LiveCode Script": "#0c5ba5", "LiveScript": "#499886", "Logtalk": "#295b9a", "LookML": "#652B81", "Lua": "#000080", "Luau": "#00A2FF", "MATLAB": "#e16737", "MAXScript": "#00a6a6", "MDX": "#fcb32c", "MLIR": "#5EC8DB", "MQL4": "#62A8D6", "MQL5": "#4A76B8", "MTML": "#b7e1f4", "Macaulay2": "#d8ffff", "Makefile": "#427819", "Mako": "#7e858d", "Markdown": "#083fa1", "Marko": "#42bff2", "Mask": "#f97732", "Mathematica": "#dd1100", "Max": "#c4a79c", "Mercury": "#ff2b2b", "Mermaid": "#ff3670", "Metal": "#8f14e9", "MiniYAML": "#ff1111", "Mint": "#02b046", "Mirah": "#c7a938", "Modelica": "#de1d31", "Modula-2": "#10253f", "Modula-3": "#223388", "Mojo": "#ff4c1f", "Monkey C": "#8D6747", "MoonScript": "#ff4585", "Motoko": "#fbb03b", "Motorola 68K Assembly": "#005daa", "Move": "#4a137a", "Mustache": "#724b3b", "NCL": "#28431f", "NMODL": "#00356B", "NPM Config": "#cb3837", "NWScript": "#111522", "Nasal": "#1d2c4e", "Nearley": "#990000", "Nemerle": "#3d3c6e", "NetLinx": "#0aa0ff", "NetLinx+ERB": "#747faa", "NetLogo": "#ff6375", "NewLisp": "#87AED7", "Nextflow": "#3ac486", "Nginx": "#009639", "Nim": "#ffc200", "Nit": "#009917", "Nix": "#7e7eff", "Noir": "#2f1f49", "Nu": "#c9df40", "NumPy": "#9C8AF9", "Nunjucks": "#3d8137", "Nushell": "#4E9906", "OASv2-json": "#85ea2d", "OASv2-yaml": "#85ea2d", "OASv3-json": "#85ea2d", "OASv3-yaml": "#85ea2d", "OCaml": "#ef7a08", "ObjectScript": "#424893", "Objective-C": "#438eff", "Objective-C++": "#6866fb", "Objective-J": "#ff0c5a", "Odin": "#60AFFE", "Omgrofl": "#cabbff", "Opal": "#f7ede0", "Open Policy Agent": "#7d9199", "OpenAPI Specification v2": "#85ea2d", "OpenAPI Specification v3": "#85ea2d", "OpenCL": "#ed2e2d", "OpenEdge ABL": "#5ce600", "OpenQASM": "#AA70FF", "OpenSCAD": "#e5cd45", "Option List": "#476732", "Org": "#77aa99", "Oxygene": "#cdd0e3", "Oz": "#fab738", "P4": "#7055b5", "PDDL": "#0d00ff", "PEG.js": "#234d6b", "PHP": "#4F5D95", "PLSQL": "#dad8d8", "PLpgSQL": "#336790", "POV-Ray SDL": "#6bac65", "Pact": "#F7A8B8", "Pan": "#cc0000", "Papyrus": "#6600cc", "Parrot": "#f3ca0a", "Pascal": "#E3F171", "Pawn": "#dbb284", "Pep8": "#C76F5B", "Perl": "#0298c3", "PicoLisp": "#6067af", "PigLatin": "#fcd7de", "Pike": "#005390", "Pkl": "#6b9543", "PlantUML": "#fbbd16", "PogoScript": "#d80074", "Polar": "#ae81ff", "Portugol": "#f8bd00", "PostCSS": "#dc3a0c", "PostScript": "#da291c", "PowerBuilder": "#8f0f8d", "PowerShell": "#012456", "Praat": "#c8506d", "Prisma": "#0c344b", "Processing": "#0096D8", "Prolog": "#74283c", "Promela": "#de0000", "Propeller Spin": "#7fa2a7", "Pug": "#a86454", "Puppet": "#302B6D", "PureBasic": "#5a6986", "PureScript": "#1D222D", "Pyret": "#ee1e10", "Python": "#3572A5", "Python console": "#3572A5", "Python traceback": "#3572A5", "Q#": "#fed659", "QML": "#44a51c", "Qt Script": "#00b841", "R": "#198CE7", "RAML": "#77d9fb", "RBS": "#701516", "RDoc": "#701516", "REXX": "#d90e09", "RMarkdown": "#198ce7", "RON": "#a62c00", "RPGLE": "#2BDE21", "RUNOFF": "#665a4e", "Racket": "#3c5caa", "Ragel": "#9d5200", "Raku": "#0000fb", "Rascal": "#fffaa0", "ReScript": "#ed5051", "Reason": "#ff5847", "ReasonLIGO": "#ff5847", "Rebol": "#358a5b", "Red": "#f50000", "Regular Expression": "#009a00", "Ren'Py": "#ff7f7f", "Rez": "#FFDAB3", "Ring": "#2D54CB", "Riot": "#A71E49", "RobotFramework": "#00c0b5", "Roc": "#7c38f5", "Roff": "#ecdebe", "Roff Manpage": "#ecdebe", "Rouge": "#cc0088", "RouterOS Script": "#DE3941", "Ruby": "#701516", "Rust": "#dea584", "SAS": "#B34936", "SCSS": "#c6538c", "SPARQL": "#0C4597", "SQF": "#3F3F3F", "SQL": "#e38c00", "SQLPL": "#e38c00", "SRecode Template": "#348a34", "STL": "#373b5e", "SVG": "#ff9900", "SaltStack": "#646464", "Sass": "#a53b70", "Scala": "#c22d40", "Scaml": "#bd181a", "Scenic": "#fdc700", "Scheme": "#1e4aec", "Scilab": "#ca0f21", "Self": "#0579aa", "ShaderLab": "#222c37", "Shell": "#89e051", "ShellCheck Config": "#cecfcb", "Shen": "#120F14", "Simple File Verification": "#C9BFED", "Slash": "#007eff", "Slice": "#003fa2", "Slim": "#2b2b2b", "Slint": "#2379F4", "SmPL": "#c94949", "Smalltalk": "#596706", "Smarty": "#f0c040", "Smithy": "#c44536", "Snakemake": "#419179", "Solidity": "#AA6746", "SourcePawn": "#f69e1d", "Squirrel": "#800000", "Stan": "#b2011d", "Standard ML": "#dc566d", "Starlark": "#76d275", "Stata": "#1a5f91", "StringTemplate": "#3fb34f", "Stylus": "#ff6347", "SubRip Text": "#9e0101", "SugarSS": "#2fcc9f", "SuperCollider": "#46390b", "Svelte": "#ff3e00", "Sway": "#00F58C", "Sweave": "#198ce7", "Swift": "#F05138", "SystemVerilog": "#DAE1C2", "TI Program": "#A0AA87", "TL-Verilog": "#C40023", "TLA": "#4b0079", "TOML": "#9c4221", "TSQL": "#e38c00", "TSV": "#237346", "TSX": "#3178c6", "TXL": "#0178b8", "Talon": "#333333", "Tcl": "#e4cc98", "TeX": "#3D6117", "Terra": "#00004c", "Terraform Template": "#7b42bb", "TextGrid": "#c8506d", "TextMate Properties": "#df66e4", "Textile": "#ffe7ac", "Thrift": "#D12127", "Toit": "#c2c9fb", "Turing": "#cf142b", "Twig": "#c1d026", "TypeScript": "#3178c6", "Typst": "#239dad", "Unified Parallel C": "#4e3617", "Unity3D Asset": "#222c37", "Uno": "#9933cc", "UnrealScript": "#a54c4d", "UrWeb": "#ccccee", "V": "#4f87c4", "VBA": "#867db1", "VBScript": "#15dcdc", "VCL": "#148AA8", "VHDL": "#adb2cb", "Vala": "#a56de2", "Valve Data Format": "#f26025", "Velocity Template Language": "#507cff", "Verilog": "#b2b7f8", "Vim Help File": "#199f4b", "Vim Script": "#199f4b", "Vim Snippet": "#199f4b", "Visual Basic .NET": "#945db7", "Visual Basic 6.0": "#2c6353", "Volt": "#1F1F1F", "Vue": "#41b883", "Vyper": "#2980b9", "WDL": "#42f1f4", "WGSL": "#1a5e9a", "Web Ontology Language": "#5b70bd", "WebAssembly": "#04133b", "WebAssembly Interface Type": "#6250e7", "Whiley": "#d5c397", "Wikitext": "#fc5757", "Windows Registry Entries": "#52d5ff", "Witcher Script": "#ff0000", "Wollok": "#a23738", "World of Warcraft Addon Data": "#f7e43f", "Wren": "#383838", "X10": "#4B6BEF", "XC": "#99DA07", "XML": "#0060ac", "XML Property List": "#0060ac", "XQuery": "#5232e7", "XSLT": "#EB8CEB", "Xojo": "#81bd41", "Xonsh": "#285EEF", "Xtend": "#24255d", "YAML": "#cb171e", "YARA": "#220000", "YASnippet": "#32AB90", "Yacc": "#4B6C4B", "Yul": "#794932", "ZAP": "#0d665e", "ZIL": "#dc75e5", "ZenScript": "#00BCD1", "Zephir": "#118f9e", "Zig": "#ec915c", "Zimpl": "#d67711", "crontab": "#ead7ac", "eC": "#913960", "fish": "#4aae47", "hoon": "#00b171", "iCalendar": "#ec564c", "jq": "#c7254e", "kvlang": "#1da6e0", "mIRC Script": "#3d57c3", "mcfunction": "#E22837", "mupad": "#244963", "nanorc": "#2d004d", "nesC": "#94B0C7", "ooc": "#b0b77e", "q": "#0040cd", "reStructuredText": "#141414", "sed": "#64b970", "templ": "#66D0DD", "vCard": "#ee2647", "wisp": "#7582D1", "xBase": "#403a40"} {"Adobe XD": "#fd27bc", "Android Studio": "#99cd00", "Antigravity": "", "AppCode": "#04dbde", "Aptana": "#ec8623", "Aqua": "#3ae868", "Arduino IDE": "#048184", "Atom": "#49b77e", "Azure Data Studio": "#0271c6", "Blender": "#fb8007", "Brackets": "#067dc3", "Brave": "#fc500c", "C++ Builder": "#8a1922", "Canva": "#288bda", "Chrome": "#fdd308", "Claude Code": "#d97757", "CLion": "#14c9a5", "Cloud9": "#25a6d9", "Coda": "#3e8e1c", "CodeTasty": "#7368a8", "Cursor": "#5a2894", "DataGrip": "#907cf2", "DataSpell": "#087cfa", "DBeaver": "#897363", "Delphi": "#db2129", "Discord": "#5c64f4", "Eclipse": "#443582", "Edge": "#3acca9", "Emacs": "#8c76c3", "Eric": "#423f13", "Excel": "#0f753c", "Figma": "#c7b9ff", "Firefox": "#d96527", "Flash Builder": "#aca3a4", "Geany": "#fbec75", "Gedit": "#872114", "GoLand": "#bd4ffc", "HBuilder X": "#1ba334", "IDA Pro": "#35c4c0", "IntelliJ IDEA": "#2876e1", "Jupyter": "#f47822", "Kakoune": "#dd5f4a", "Kate": "#0b7aef", "Komodo": "#fcb414", "Micro": "#2c3494", "MPS": "#12a8d5", "Neovim": "#068304", "NetBeans": "#aed43a", "Notepad++": "#9ecf54", "Nova": "#ff054a", "Obsidian": "#4a38a0", "Onivim": "#ee848e", "Oxygen": "#ff4119", "PhpStorm": "#d93ac1", "Postman": "#fc6b33", "PowerPoint": "#c6421f", "Processing": "#6a7152", "Pulsar": "#662d91", "PyCharm": "#d2ee5c", "Pymakr": "#323d4f", "ReClassEx": "#B6C2E4", "Rider": "#f7a415", "Roblox Studio": "#049cfc", "RubyMine": "#ff6336", "RustRover": "#ff2f52", "Safari": "#1399ef", "SiYuan": "#da3939", "Sketch": "#fdad00", "SlickEdit": "#57ca57", "SQL Server Management Studio": "#ffb901", "Sublime Text": "#ff9800", "Terminal": "#133f1c", "TeXstudio": "#652d96", "TextMate": "#822b7a", "Trae": "#ff4a36", "Unity": "#222d36", "Vim": "#068304", "Visual Studio": "#9460cd", "Visual Studio for Mac": "#6185b3", "VS Code": "#027acd", "WebStorm": "#00c6d7", "Windsurf": "#58e5bc", "Wing": "#b3b3b3", "Word": "#0f4091", "Xamarin": "#3598db", "Xcode": "#3fa7e4", "Zed": "#0754c6", "Aqua Data Studio": "#00a1db", "BlueJ": "#5d89af", "Code::Blocks": "#d0ce71", "CodeLite": "#1892e5", "EmEditor": "#ed3103", "Helix": "#8d76cc", "KDevelop": "#22a273", "Light Table": "#007ac1", "Espresso": "#4da0df", "MySQL Workbench": "#245279", "Photoshop": "#0a0054", "QtCreator": "#7fc342", "RStudio": "#2369c7", "Spyder": "#ee181e", "WebMatrix": "#aeaeae", "WPS Office": "#fc6143", "Zotero": "#c12625", "Unknown Editor": "#1f9aef", "IntelliJ": "#2876e1"}