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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 🟩 compose 🟩 Symbol 🟩 linter
🟩 async function 🟩 new Error 🟩 memoize 🟩 string parsing 🟩 prettier
🟩 call, bind, apply 🟩 factory 🟩 timers 🟩 unittest
🟩 Array 🟩 pool 🟩 EventEmitter 🟩 git
🟩 instanceof 🟩 wrapper 🟩 RegExp 🟩 github
🟩 ...spread 🟩 default parameters 🟩 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