Capability & Logic Library

The DNA of modern careers.

Understand the discrete skills, methodologies, and technical domains that drive high-impact performance in today's most competitive professional paths.

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Taxonomy Categories

Programming Languages

C

Core technical capability within this domain.

Embedded Software EngineerGame Developer.NET Developer

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C#

Core technical capability within this domain.

Game Developer.NET DeveloperSoftware Engineer

Deep Dive

C++

Core technical capability within this domain.

Quantitative ResearcherGame DeveloperEmbedded Software Engineer

Deep Dive

Dart

Core technical capability within this domain.

iOS DeveloperAndroid Developer

Deep Dive

HTML/CSS

Core technical capability within this domain.

Frontend Engineer

Deep Dive

Java

Records, sealed classes, pattern matching, Streams, virtual threads.

Full-Stack EngineerBackend EngineerJava Developer

Deep Dive

JavaScript

The engine of the modern web. Enables interactive frontends and scalable backends via Node.js, forming the backbone of almost every modern digital product.

Full-Stack EngineerSoftware EngineerQA Engineer

Deep Dive

Kotlin

Core technical capability within this domain.

Android Developer

Deep Dive

PHP

Union types, enums, readonly, match, fibers, OPcache.

Backend EngineerPHP Developer

Deep Dive

PowerShell

Core technical capability within this domain.

Systems Engineer

Deep Dive

Python

Decorators, Generators, Type hinting, Pandas/Polars.

Data ScientistQuantitative ResearcherData Analyst

Deep Dive

R

Core technical capability within this domain.

Data ScientistQuantitative ResearcherData Analyst

Deep Dive

Ruby

Famous for its programmer-centric design and the Ruby on Rails framework, enabling rapid development of startup-scale web products.

Backend Engineer

Deep Dive

Rust

Core technical capability within this domain.

Blockchain Developer

Deep Dive

SQL

Stored procs, Triggers, Views.

Data AnalystFull-Stack EngineerBackend Engineer

Deep Dive

Scala

Core technical capability within this domain.

Data Engineer

Deep Dive

Swift

Apples primary language for high-performance iOS and macOS applications, combining safety with modern syntax for premium mobile experiences.

iOS Developer

Deep Dive

TypeScript

Types, Interfaces, Generics, Union Types.

Backend EngineerSoftware EngineerFrontend Engineer

Deep Dive

Web Foundations

CSS

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

DOM

Core technical capability within this domain.

Frontend Engineer

Deep Dive

HTML

Core technical capability within this domain.

Full-Stack EngineerFrontend Engineer

Deep Dive

HTTP

Core technical capability within this domain.

Frontend EngineerBackend Engineer

Deep Dive

REST

Core technical capability within this domain.

Backend EngineerFull-Stack EngineerFrontend Engineer

Deep Dive

Responsive Design

Core technical capability within this domain.

Frontend EngineerUX Designer

Deep Dive

Sass

Core technical capability within this domain.

Frontend Engineer

Deep Dive

Tailwind CSS

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

Web Accessibility

Core technical capability within this domain.

Frontend EngineerUX Designer

Deep Dive

Frameworks & Libraries

ASP.NET Core

Core technical capability within this domain.

.NET Developer

Deep Dive

Django

Core technical capability within this domain.

Backend EngineerFull-Stack Engineer

Deep Dive

Entity Framework Core

Core technical capability within this domain.

.NET Developer

Deep Dive

Express

Core technical capability within this domain.

Backend EngineerFull-Stack Engineer

Deep Dive

FastAPI

Core technical capability within this domain.

Backend EngineerML EngineerData Engineer

Deep Dive

Flask

Core technical capability within this domain.

Backend EngineerFull-Stack EngineerML Engineer

Deep Dive

Flutter

Core technical capability within this domain.

Android DeveloperiOS Developer

Deep Dive

Hibernate

Core technical capability within this domain.

Java Engineer

Deep Dive

Hugging Face

Core technical capability within this domain.

ML EngineerNLP EngineerData Scientist

Deep Dive

Keras

Core technical capability within this domain.

Computer Vision EngineerML EngineerData Scientist

Deep Dive

Laravel

Artisan, Eloquent, Blade, auth, queues, events, notifications.

Backend EngineerFull-Stack EngineerPHP Developer

Deep Dive

Matplotlib

Core technical capability within this domain.

ML EngineerData AnalystData Scientist

Deep Dive

NestJS

Core technical capability within this domain.

Full-Stack EngineerBackend Engineer

Deep Dive

Next.js

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

Node.js

Core technical capability within this domain.

Backend EngineerFull-Stack Engineer

Deep Dive

PyTorch

TorchVision, Data Augmentation (Albumentations).

NLP EngineerML EngineerComputer Vision Engineer

Deep Dive

React

Components, Hooks, Metro bundler, Reanimated.

Full-Stack EngineerFrontend Engineer.NET Developer

Deep Dive

Scikit-learn

Core technical capability within this domain.

Data ScientistML Engineer

Deep Dive

Svelte

Core technical capability within this domain.

Full-Stack EngineerFrontend Engineer

Deep Dive

TensorFlow

An end-to-end open-source platform for machine learning, enabling developers to build and deploy advanced AI models at scale.

NLP EngineerComputer Vision EngineerML Engineer

Deep Dive

Vue.js

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

WordPress

Core technical capability within this domain.

PHP DeveloperFrontend Engineer

Deep Dive

Developer Tools

AWS

EC2, S3, RDS, VPC, IAM, Route53, Lambda.

DevOps EngineerFull-Stack EngineerBackend Engineer

Deep Dive

Azure

Core technical capability within this domain.

Cloud Architect.NET DeveloperDevOps Engineer

Deep Dive

Cloudflare

Core technical capability within this domain.

DevOps EngineerFrontend Engineer

Deep Dive

Composer

Core technical capability within this domain.

PHP Developer

Deep Dive

Docker

Docker builds and image optimization.

Software EngineerML EngineerSecurity Engineer

Deep Dive

Excel

Core technical capability within this domain.

Data Analyst

Deep Dive

Figma

Auto-layout, Components, Variants, Plugins.

Frontend EngineerUX DesignerProduct Manager

Deep Dive

Git

The world-standard for version control. Proficiency in Git is mandatory for professional collaboration, code history management, and CI/CD.

DevOps EngineeriOS Developer.NET Developer

Deep Dive

GitHub

Core technical capability within this domain.

Full-Stack EngineerFrontend EngineerBackend Engineer

Deep Dive

GitHub Actions

Core technical capability within this domain.

DevSecOps EngineerDevOps Engineer

Deep Dive

GitLab

Core technical capability within this domain.

DevOps EngineerSoftware Engineer

Deep Dive

Google Cloud

Core technical capability within this domain.

DevOps EngineerCloud ArchitectBackend Engineer

Deep Dive

Grafana

Core technical capability within this domain.

Site Reliability Engineer (SRE)

Deep Dive

JUnit

Parameterized tests, Mockito, Testcontainers, JaCoCo.

Java Engineer

Deep Dive

Jenkins

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)

Deep Dive

Kubernetes

Pods, Deployments, Services, Ingress, ConfigMaps, Secrets.

DevSecOps EngineerDevOps EngineerCloud Architect

Deep Dive

Maven

Core technical capability within this domain.

Java Engineer

Deep Dive

MongoDB

Core technical capability within this domain.

Data EngineerDatabase AdministratorBackend Engineer

Deep Dive

MySQL

Schema design, CTEs, window functions, indexing, replication.

Database AdministratorPHP Developer

Deep Dive

Nginx

Core technical capability within this domain.

DevOps EngineerBackend EngineerSite Reliability Engineer (SRE)

Deep Dive

Notion

Core technical capability within this domain.

Product Manager

Deep Dive

OpenTelemetry

Core technical capability within this domain.

Site Reliability Engineer (SRE)DevOps EngineerBackend Engineer

Deep Dive

Postman

Core technical capability within this domain.

QA Engineer

Deep Dive

Power BI

Core technical capability within this domain.

Data EngineerData Analyst

Deep Dive

Prometheus

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)

Deep Dive

Redis

Core technical capability within this domain.

Data EngineerBackend EngineerDevOps Engineer

Deep Dive

Sentry

Core technical capability within this domain.

Frontend EngineerBackend EngineerFull-Stack Engineer

Deep Dive

Tableau

Dashboards, Actions, Calculated fields, LODs.

Data Analyst

Deep Dive

Terraform

State management, Modules.

DevOps EngineerCloud ArchitectDevSecOps Engineer

Deep Dive

Vercel

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

Databases & Data Stores

BigQuery

Core technical capability within this domain.

Data EngineerData Analyst

Deep Dive

DynamoDB

Core technical capability within this domain.

Backend EngineerCloud ArchitectDevOps Engineer

Deep Dive

Elasticsearch

Core technical capability within this domain.

Backend EngineerData EngineerSite Reliability Engineer (SRE)

Deep Dive

Firebase

Core technical capability within this domain.

iOS DeveloperAndroid DeveloperFrontend Engineer

Deep Dive

Neo4j

Core technical capability within this domain.

Data EngineerBackend Engineer

Deep Dive

OpenSearch

Core technical capability within this domain.

Backend EngineerData Engineer

Deep Dive

Redshift

Core technical capability within this domain.

Data EngineerData Analyst

Deep Dive

SQLite

Core technical capability within this domain.

iOS DeveloperAndroid Developer

Deep Dive

Snowflake

Core technical capability within this domain.

Data Engineer

Deep Dive

Cloud & Infrastructure

CI/CD

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)Software Engineer

Deep Dive

Helm

Core technical capability within this domain.

DevOps EngineerCloud ArchitectSite Reliability Engineer (SRE)

Deep Dive

Infrastructure as Code

Core technical capability within this domain.

DevOps EngineerCloud Architect

Deep Dive

Load Balancing

Core technical capability within this domain.

DevOps EngineerCloud ArchitectSite Reliability Engineer (SRE)

Deep Dive

Secrets Management

Core technical capability within this domain.

DevOps EngineerDevSecOps EngineerCloud Architect

Deep Dive

Serverless

Core technical capability within this domain.

Cloud ArchitectBackend EngineerFull-Stack Engineer

Deep Dive

Data & AI

Airflow

Core technical capability within this domain.

Data EngineerML Engineer

Deep Dive

Embeddings

Core technical capability within this domain.

ML EngineerNLP EngineerData Scientist

Deep Dive

Jupyter

Core technical capability within this domain.

Data Scientist

Deep Dive

LangChain

Core technical capability within this domain.

ML EngineerNLP EngineerData Scientist

Deep Dive

LangGraph

Core technical capability within this domain.

ML EngineerNLP Engineer

Deep Dive

LlamaIndex

Core technical capability within this domain.

ML EngineerNLP Engineer

Deep Dive

MLflow

Core technical capability within this domain.

ML Engineer

Deep Dive

NumPy

Core technical capability within this domain.

Data ScientistML EngineerData Analyst

Deep Dive

Pandas

Core technical capability within this domain.

Data Scientist

Deep Dive

RAG

Core technical capability within this domain.

ML EngineerNLP EngineerData Scientist

Deep Dive

Stochastic Calculus

Core technical capability within this domain.

Quantitative Researcher

Deep Dive

Vector Databases

Core technical capability within this domain.

ML EngineerNLP EngineerData Engineer

Deep Dive

XGBoost

Core technical capability within this domain.

Data ScientistML Engineer

Deep Dive

dbt

Core technical capability within this domain.

Data EngineerData Analyst

Deep Dive

Quality Engineering

API Testing

Core technical capability within this domain.

QA EngineerBackend Engineer

Deep Dive

Contract Testing

Core technical capability within this domain.

QA EngineerBackend Engineer

Deep Dive

Cypress

Core technical capability within this domain.

QA Engineer

Deep Dive

Jest

Core technical capability within this domain.

Frontend EngineerQA Engineer

Deep Dive

Load Testing

Core technical capability within this domain.

QA EngineerSite Reliability Engineer (SRE)

Deep Dive

Performance Testing

Core technical capability within this domain.

QA EngineerSite Reliability Engineer (SRE)

Deep Dive

Playwright

Core technical capability within this domain.

QA EngineerFrontend Engineer

Deep Dive

Vitest

Core technical capability within this domain.

Frontend EngineerFull-Stack Engineer

Deep Dive

pytest

Core technical capability within this domain.

Backend EngineerData ScientistML Engineer

Deep Dive

Security

Application Security

Core technical capability within this domain.

Security EngineerDevSecOps Engineer

Deep Dive

Authentication

Core technical capability within this domain.

Backend EngineerFull-Stack EngineerSecurity Engineer

Deep Dive

Authorization

Core technical capability within this domain.

Backend EngineerSecurity Engineer

Deep Dive

HMAC

Core technical capability within this domain.

Security EngineerBackend Engineer

Deep Dive

IAM

Core technical capability within this domain.

Cloud ArchitectSecurity EngineerDevSecOps Engineer

Deep Dive

JWT

Core technical capability within this domain.

Backend EngineerFull-Stack EngineerSecurity Engineer

Deep Dive

OAuth

Core technical capability within this domain.

Backend EngineerFull-Stack EngineerSecurity Engineer

Deep Dive

OWASP Top 10

Core technical capability within this domain.

Security EngineerDevSecOps EngineerBackend Engineer

Deep Dive

TLS

Core technical capability within this domain.

Security EngineerDevOps Engineer

Deep Dive

Threat Modeling

Core technical capability within this domain.

Security EngineerDevSecOps Engineer

Deep Dive

Web Security

Core technical capability within this domain.

Security EngineerDevSecOps EngineerFrontend Engineer

Deep Dive

Networking

CDN

Core technical capability within this domain.

DevOps EngineerFrontend Engineer

Deep Dive

DNS

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)

Deep Dive

Firewalls

Core technical capability within this domain.

Security EngineerDevOps Engineer

Deep Dive

HTTP/HTTPS

Core technical capability within this domain.

Backend EngineerDevOps Engineer

Deep Dive

NAT

Core technical capability within this domain.

DevOps EngineerCloud Architect

Deep Dive

Proxies

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)

Deep Dive

Routing

Core technical capability within this domain.

DevOps EngineerCloud Architect

Deep Dive

Service Mesh

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)Cloud Architect

Deep Dive

Subnetting

Core technical capability within this domain.

DevOps EngineerCloud Architect

Deep Dive

TCP/IP

Core technical capability within this domain.

DevOps EngineerSite Reliability Engineer (SRE)

Deep Dive

VPN

Core technical capability within this domain.

DevOps EngineerSecurity Engineer

Deep Dive

WebSockets

Core technical capability within this domain.

Backend EngineerFull-Stack Engineer

Deep Dive

gRPC

Core technical capability within this domain.

Backend EngineerSite Reliability Engineer (SRE)

Deep Dive

Embedded & Silicon

Digital Verification

Core technical capability within this domain.

IC Design EngineerElectrical Engineer

Deep Dive

ESP32

Core technical capability within this domain.

Embedded Software EngineerElectrical Engineer

Deep Dive

FreeRTOS

Core technical capability within this domain.

Embedded Software Engineer

Deep Dive

I2C

Core technical capability within this domain.

Embedded Software EngineerElectrical Engineer

Deep Dive

Logic Design

Core technical capability within this domain.

Electrical EngineerIC Design Engineer

Deep Dive

SPI

Core technical capability within this domain.

Embedded Software EngineerElectrical Engineer

Deep Dive

UART

Core technical capability within this domain.

Embedded Software EngineerElectrical Engineer

Deep Dive

Product & Delivery

Backlog Grooming

Core technical capability within this domain.

Scrum MasterProduct Manager

Deep Dive

OKRs

Core technical capability within this domain.

Technical Project ManagerProduct Manager

Deep Dive

PRD Writing

Core technical capability within this domain.

Product Manager

Deep Dive

Product Management

Core technical capability within this domain.

Product Manager

Deep Dive

Project Management

Core technical capability within this domain.

Scrum MasterTechnical Project Manager

Deep Dive

Sprint Planning

Core technical capability within this domain.

Scrum MasterProduct Manager

Deep Dive

Stakeholder Management

Core technical capability within this domain.

Technical Project ManagerScrum Master

Deep Dive