Artem Syvashenko 2025 winter

Skills/Architecture.md

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 ## Architecture
 
-- Application structure
-  - Separation of concerns
-  - Inversion of Control
-  - Dependency Injection
-  - GoF Creational
-  - GoF Structural
-  - GoF Behavioral
-  - GRASP
-  - SOLID
-  - CQS
-  - Modularity
-  - Subsystems
-  - Directories
-  - Leaking abstractions
-  - Multiparadigm code
-  - Contract programming
-  - Platform-agnostic
-  - Transport-agnostic
-  - Framework-agnostic
-  - Code coverage
-  - Cohesion
-  - Coupling
-  - Cyclomatic complexity
-  - Reliability
-  - Quality
-  - Availability
-  - Flexibility
-  - Law of Demeter (LoD)
-- Application architecture
-  - Isolation between layer
-  - Domain-specific language (DSL)
-  - System vs applied code
-  - Multilayer approach
-  - Hexagonal architecture
-  - Separation of concerns (SoC)
-  - Metaprogramming
-  - Inversion of control (IoC)
-  - Dependency injection (DI)
-  - Clean architecture
-  - Domain-driven design (DDD)
-  - Pub/sub
-  - Message brocker
-  - Agent
-  - Service locator
-  - Message Queue (MQ)
-  - CQRS
-  - Event sourcing
-  - E-R data modeling
-  - Entity-relationship diagram
-  - IDEF1X
-  - UML
-  - Work breakdown structure
-  - Budget estimation
-  - Distributed systems
-  - High-intensive computing
-  - Load balancing
-  - Gateways
-  - On-premises
-  - IaaS
-  - PaaS
-  - SaaS
-  - FaaS clouds
-  - Serverless
-  - Vendor lock-in
-  - Bus factor
-- Solution architecture
-  - A software requirements specification (SRS)
-  - Solution visions
-  - Solution capabilities
-  - System design
-  - Process modelling
-  - Data modelling
-  - Solution components
-  - Risk assessment
-  - Non Functional Requirements (NFR)
-  - Clouds
-  - BPMN
-  - Low-code
-  - No-code
-  - Metric
-  - Metric abuse
-  - ACID
-  - CAP theorem
-  - Single source of truth (SSOT)
-- Enterprise architecture
-  - Understanding business needs
-  - Enterprise strategy
-  - Integration with subsystems
-  - Enterprise vision
-  - Enterprise capabilities
-  - Project scope
-  - Enterprise service bus
-  - Service-oriented architecture
-  - Microservices
-  - Process choreography
-  - Service orchestration
-  - Data warehouse
-  - Business Intelligence
-  - OLAP
-  - OLTP
-  - Conways Law
-  - Quality assurance
-  - Engineering Hygiene

Skills/Async.md

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 ## Asynchronous programming
 
-- Theory
-  - Event loop
-  - `try..catch`
-  - Non-blocking
-  - Async I/O
-  - Thread pool
-  - Pattern Reactor
-  - CAS operations
-  - epoll
-  - kqueue
-  - Completion ports
-  - Event ports
-  - libuv
-  - Race conditions
-  - Dead locks
-  - Live locks
-  - Concurrent programming
-  - Parallel programming
-  - Actor Model
-  - Thread
-  - Process
-- Async contracts
-  - Callbacks
-  - Callback-last-error-first
-  - Thenable
-  - Promise
-  - Async/await
-  - Future
-  - Deferred
-  - Sync generator
-  - Async Generator
-  - Async Iterator
-  - Event
-  - Coroutine
-  - Goroutine
-  - Signal
-  - Stream
-  - Chain of responsibility
-  - Middleware
-  - Locks
-- Async adapters and utils
-  - callbackify
-  - promisify
-  - asyncify
-  - Callbacks compose
-  - Async compose
-- Async abstractions interfaces
-  - EventEmitter
-  - Observable/Observer
-  - Readable
-  - Writable
-  - Transform
-  - Async Pool
-  - Async Queue
-  - Async Collector
-  - Semaphore
-  - Mutex
-  - Spin Lock
-- JavaScript & Node.js specific
-  - Timers
-  - `setImmediate`
-  - `nextTick`
-  - AbortController
-  - AbortSignal
-  - Promise unhandled rejection
-  - Promise double resolve
-  - Atomics
-  - High resolution clock
-  - Callback hell
-  - Promise hell
-  - ref() and unref()
-  - Error handling in async code
-  - Better stack traces with return await
-  - JSON streaming serialization
-  - AsyncLocalStorage
-  - AsyncResource
-- Techniques
-  - Async.js library
-  - RxJS library
-  - Promise.all
-  - Promise.allSettled
-  - Promise.race
-  - Promise.any
-  - Web Locks API
-  - IPC
-  - Channel API
-  - Revealing constructor

Skills/Databases.md

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 ## Databases
 
-- Theory and concepts
-  - Data types
-  - Performance tuning
-  - Migrations
-  - Schema versioning
-  - Backup and recovery
-  - Database scalability
-  - Relational databases
-  - Key-value store
-  - Tuple store
-  - Graph databases
-  - Object databases
-  - Column databases
-  - Navigational databases
-  - Hierarchical databases
-  - In-memory databases
-  - Inverted index
-  - Data control language (DCL)
-  - Data definition language (DDL)
-  - Data manipulation language (DML)
-  - Data query language (DQL)
-- Relational
-  - Entity-Relationship Diagram
-  - Normal forms
-  - Indexing
-  - Primary keys
-  - Foreign keys
-  - Transactions
-  - Views
-  - Subqueries
-  - Stored procedures
-  - SQL functions
-  - Materialized views
-  - Replications
-  - Virtualization
-- SQL
-  - `SELECT`
-  - `INSERT`
-  - `UPDATE`
-  - `DELETE`
-  - `LIMIT`
-  - `OFFSET`
-  - `ORDER BY`
-  - `GROUP BY`
-  - `HAVING`
-  - `EXISTS`
-  - `JOIN`
-  - `INNER JOIN`
-  - `LEFT JOIN`
-  - `RIGHT JOIN`
-  - `UNION`
-  - `DISTINCT`
-  - `WHERE`
-  - `LIKE`
-  - `IN`
-  - `BETWEEN`
-  - `CREATE TABLE`
-  - `ALTER TABLE`
-  - `DROP TABLE`
-  - `PRIMARY KEY`
-  - `FOREIGN KEY`
-  - `CHECK`
-  - `DEFAULT`
-  - `INDEX`
-  - `UNIQUE`
-  - `GRANT`
-  - `REVOKE`
-  - `DENY`
-  - `EXPLAIN`
-- Engines
-  - PostgreSQL
-  - Oracle
-  - MySQL
-  - MariaDB
-  - MS SQL Server
-  - Redis
-  - Rabbit
-  - MongoDB
-  - Memcached
-  - Riak
-  - DB2
-  - SQLite
-  - DynamoDB
-  - Firebase
-- Data engineering
-  - Data warehousing
-  - Business intelligence
-  - Big data
-  - Data analysis
-  - AI tools
-  - Cloud databases
-  - Data Visualization