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SKILLS.md

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Personal profile of software engineering skills

⬜ Optional, 🟦 Required for all, 🟨 Required for js, 🟩 Learned, 🟥 Declined

Fundamental concepts

Syntax Statements Functions Data structures Process & style
🟩 value 🟩 if 🟩 recursion 🟩 array 🟩 refactoring
🟩 identifier 🟩 loops 🟩 function 🟩 instance 🟩 code review
🟩 variable 🟩 assignment 🟩 return 🟩 object 🟩 antipatterns
🟩 constant 🟩 prototype 🟩 signature 🟩 collection 🟩 paradigm
🟩 scalar 🟩 class 🟩 argument 🟩 hash table 🟩 algorithm
🟩 literal 🟩 while 🟩 parameter 🟩 linked list 🟩 magic numbers
🟩expression 🟩 do..while 🟩 pure function 🟩 queue 🟩 hardcode
🟩 heap 🟩 for 🟩 lambda 🟩 stack 🟦 complexity
🟩 type 🟩 for..in 🟩 side effects 🟩 deque 🟩 decomposition
🟩 primitive types 🟩 for..of 🟩 closure 🟦 serialization 🟩 spaghetti
🟩 reference 🟩 for await 🟦 partial 🟦 mixin, extend ⬜️ silver bullet
🟩 flag 🟩 throw ⬜️ curry 🟩 iterator 🟩 not invented here
🟦 lexical scope 🟩 try..catch 🟩 chaining 🟨 typed arrays 🟩 dead code
🟩 code block 🟩 equality operators 🟦 higher order 🟩 Map 🟩 unreachable code
🟩 Object 🟩 logical operators 🟩 callback 🟩 Set 🟩 duplicate code
🟩 this 🟩 bitwise operators 🟩 listener ⬜️ weak collections 🟩 exception
🟩 arrow function 🟩 break, continue ⬜️ pipe ⬜️ Proxy 🟩 return early
🟨 generator 🟩 switch 🟩 memoize ⬜️ Symbol 🟩 linter
🟩 async function 🟩 new Error 🟦 factory 🟩 string parsing 🟩 prettier
🟨 call, bind, apply 🟦 pool 🟨 timers 🟦 unittest
🟩 Array 🟦 wrapper 🟨 EventEmitter 🟩 git
🟩 instanceof 🟩 default parameters 🟨 RegExp 🟩 github
🟩 ...spread 🟩 global 🟩 node.js
🟩 ...rest 🟩 undefined 🟩 npm
🟩 typeof 🟩 null

Multi-paradigm programming

Theory OOP basics Abstractions Patterns
🟩 Procedural programming 🟩 constructor ⬜ struct, record 🟦 Singleton
🟩 Imperative programming 🟩 new ⬜ Mutable state
🟩 Structured programming 🟩 Static method ⬜ Immutable state
🟦 Non-structured programming 🟩 Method ⬜ Enum
🟦 Functional programming 🟩 Async method 🟦 Linked list
🟦 Prototype-based programming 🟩 Getters, Setters 🟦 Doubly list
🟩 Object-oriented programming 🟩 Public fields 🟦 Unrolled list
⬜ Object-based programming 🟩 Private fields 🟦 Circular list
🟦 Generic programming 🟦 Field declarations 🟦 Trees
🟦 Concurrent computing 🟦 Inheritance 🟦 Graphs
🟩 Asyncronous programming 🟩 Parent class 🟦 Functor
🟦 Parallel programming 🟩 Polymorphism 🟦 Functional object
🟦 Reactive programming 🟩 Abstract class ⬜ Monad
⬜ FRP (Functional-reactive) 🟩 Interface 🟩 Generator
🟦 Automata-based programming 🟩 Encapsulation 🟩 Iterator
🟦 Domain-specific languages ⬜ Hidden class 🟩 Async Iterator
🟦 Multi-paradigm programming ⬜ Object form
⬜ Metaprogramming 🟩 instance
⬜ Actor model ⬜ Introspection
⬜ Reflection

Asynchronous programming

Async contracts JavaScript & Node.js specific Theory Techniques
🟩 Callback-last 🟩 Timers 🟦 Event Loop ⬜ async.js library
🟦 Error-first 🟦 setImmediate 🟦 Async error ⬜ Async composition
🟩 Promise 🟦 nextTick 🟩 try..catch ⬜ Rx.js
🟩 Async function ⬜ AbortController 🟦 Non-blocking 🟦 Sequential async
🟩 await 🟦 Promise unhandled rejection 🟦 Async I/O 🟦 Parallel async
🟩 Generator 🟦 Promise double resolve 🟦 Pattern Reactor 🟩 Promise.all
🟩 Async Generator 🟦 child_process ⬜ CAS operations 🟦 Promise.allSettled
🟩 Async Iterator 🟦 worker_threads ⬜ epoll 🟩 Promise.race
🟦 Thenable 🟦 Atomics ⬜ kqueue 🟦 Promise.any
🟦 EventEmitter 🟦 Blockeing operations ⬜ Completion ports ⬜ Web Locks API
⬜ Cancelable callback 🟦 Non-blocking loop for Array ⬜ Event ports ⬜ Async Pool
⬜ Cancelable Promise ⬜ High resolution clock 🟦 libuv ⬜ Thread Pool
🟦 Asynchronous Queue 🟦 Callback hell 🟦 Race conditions 🟦 callbackify
⬜ Future 🟦 Promise hell 🟦 Dead locks 🟦 promisify
⬜ Deferred 🟦 Live locks ⬜ IPC
🟦 Observer ⬜ Actor Model ⬜ Channel API
⬜ Async Collector ⬜ Revealing Constructor
⬜ Coroutine
⬜ Goroutine

Node.js and backend

Internals Theory Network Technique Problems
🟦 Nonblocking I/O 🟦 I/O bound tasks 🟩 HTTP(S) 🟦 Logging 🟦 Memory leaks
🟦 Event Loop 🟦 CPU bound tasks 🟩 TCP/SSL 🟦 Testing 🟦 Resource leaks
🟦 commonjs 🟦 Memory bound tasks 🟩 UDP ⬜ CI/CD 🟦 Blocking code
🟦 ECMA modules 🟦 Multilayer approach 🟩 TLS 🟦 Readable 🟦 Data race
🟦 Network API 🟦 Separation of concerns 🟦 Websocket 🟦 Writable 🟦 Graceful Shutdown
⬜ Addons 🟦 Inversion of control ⬜ SSE 🟦 Transform 🟦 Dependencies
⬜ N-API 🟦 Dependency injection ⬜ HTTP/3 (QUIC) ⬜ back pressure
⬜ Webassembly 🟦 GRASP for JS and Node.js ⬜ Long polling 🟦 Buffer
🟩 npm 🟦 SOLID for JS and Node.js 🟦 REST 🟦 Console
🟩 node_modules 🟦 GoF for JS and Node.js 🟦 RPC 🟦 Inspector
🟩 package.json ⬜ Distributed systems 🟦 Routing 🟦 Reliability
🟦 vm isolation ⬜ Highload applications 🟦 IP sticky 🟦 Quality
🟦 command line args 🟦 DDD 🟦 DoS 🟦 Availability
⬜ Node.js CLI 🟦 Clean architecture 🟦 DDoS 🟦 Flexibility
🟦 Streams 🟦 Domain in the middle 🟦 XSS
🟦 Clustering 🟦 Message Queue 🟦 Path traversal
⬜ Load balancing 🟦 Transport-agnostic server 🟦 CSRF
⬜ Serverless clouds 🟦 Framework-agnostic app 🟩 DNS
⬜ FaaS clouds ⬜ Interactive applications 🟩 Fetch
🟦 Debugging node.js ⬜ Real-time applications 🟦 zlib
🟦 crypto 🟦 CQS and CQRS
⬜ SharedArrayBuffer 🟦 Event Sourcing
🟦 child_process 🟦 Shared memory
🟦 worker_threads