517 skills
28 domains
4101 role links

Purpose-built competency model — 10x more detailed than SFIA for software roles. Based on job market analysis, expert interviews, and community governance.

How it works →

Programming Fundamentals

18 skills
Skills Group Roles Actions
Algorithms & Data Structures
Algorithms & Complexity Algorithms & Data Structures 70 Open
Data Structures Algorithms & Data Structures 70 Open
Graph Algorithms Algorithms & Data Structures 3 Open
OOP & Design Patterns
OOP & SOLID Principles OOP & Design Patterns 70 Open
Design Patterns OOP & Design Patterns 70 Open
Concurrency & Parallelism
Multithreading Concurrency & Parallelism 66 Open
Async Programming Concurrency & Parallelism 70 Open
Thread Synchronization Concurrency & Parallelism 1 Open
Clean Code & Refactoring
Code Quality & Refactoring Clean Code & Refactoring 70 Open
Clean Code Clean Code & Refactoring 3 Open
Functional Programming
Functional Programming Principles Functional Programming 6 Open
Immutability & Persistent Data Structures Functional Programming 4 Open
Monads & Functors Functional Programming 3 Open
Type Systems
Type Safety & Type Systems Type Systems 49 Open
Generics & Parametric Polymorphism Type Systems 9 Open
Memory Management
Memory Management Memory Management 27 Open
Memory Profiling Memory Management 8 Open
Systems Memory Management Memory Management 1 Open

Backend Development

18 skills
Skills Group Roles Actions
Web Frameworks
Python Web Frameworks Web Frameworks 26 Open
Node.js Frameworks Web Frameworks 6 Open
Java Spring Ecosystem Web Frameworks 1 Open
PHP Frameworks Web Frameworks 1 Open
Go Web Frameworks Web Frameworks 1 Open
ASP.NET Core Web Frameworks 2 Open
Rust Web Frameworks Web Frameworks 1 Open
Scala Frameworks Web Frameworks 1 Open
Elixir Phoenix Web Frameworks 1 Open
Message Queues & Event Streaming
Apache Kafka Message Queues & Event Streaming 28 Open
RabbitMQ Message Queues & Event Streaming 6 Open
NATS / NATS JetStream Message Queues & Event Streaming 2 Open
Message Broker Patterns Message Queues & Event Streaming 9 Open
Caching
Redis Caching 66 Open
Caching Strategies Caching 10 Open
Background Jobs & Task Queues
Task Queues Background Jobs & Task Queues 11 Open
Search Engines
Elasticsearch / OpenSearch Search Engines 10 Open
File & Object Storage
S3 / Object Storage File & Object Storage 6 Open

Frontend Development

24 skills
Skills Group Roles Actions
React Ecosystem
React Core React Ecosystem 5 Open
Next.js React Ecosystem 2 Open
Angular Ecosystem
Angular Core Angular Ecosystem 1 Open
RxJS & Reactive Programming Angular Ecosystem 1 Open
Vue Ecosystem
Vue Core Vue Ecosystem 1 Open
Nuxt Vue Ecosystem 1 Open
Svelte Ecosystem
Svelte / SvelteKit Svelte Ecosystem 1 Open
CSS & Styling
Modern CSS CSS & Styling 6 Open
Tailwind CSS CSS & Styling 6 Open
CSS-in-JS CSS & Styling 3 Open
Design System Development CSS & Styling 5 Open
Web Standards & APIs
Web Components Web Standards & APIs 4 Open
Web APIs Web Standards & APIs 5 Open
Progressive Web Apps (PWA) Web Standards & APIs 4 Open
Web Accessibility Web Standards & APIs 7 Open
Web Performance
Core Web Vitals Web Performance 5 Open
Bundle Optimization Web Performance 6 Open
Build Tools & Bundling
Vite & Modern Bundlers Build Tools & Bundling 6 Open
Frontend Testing
Component Testing Frontend Testing 7 Open
Visual Regression Testing Frontend Testing 4 Open
State Management
State Management State Management 7 Open
Data Fetching State Management 10 Open
Frontend Architecture
Micro Frontends Frontend Architecture 5 Open
SSR/SSG/ISR Patterns Frontend Architecture 5 Open

Mobile Development

14 skills
Skills Group Roles Actions
iOS Development
Swift & SwiftUI iOS Development 1 Open
UIKit & Auto Layout iOS Development 1 Open
Core Data & SwiftData iOS Development 3 Open
Combine & Swift Concurrency iOS Development 1 Open
Android Development
Kotlin & Jetpack Compose Android Development 1 Open
Android Architecture Components Android Development 1 Open
Navigation & Deep Links Android Development 3 Open
Kotlin Coroutines & Flow Android Development 1 Open
Cross-Platform Mobile
Flutter & Dart Cross-Platform Mobile 1 Open
React Native Cross-Platform Mobile 1 Open
General Mobile Practices
Mobile CI/CD General Mobile Practices 4 Open
Mobile Security General Mobile Practices 4 Open
Mobile Performance General Mobile Practices 4 Open
App Store Optimization (ASO) General Mobile Practices 4 Open

Database Management

19 skills
Skills Group Roles Actions
Relational Databases
PostgreSQL Relational Databases 69 Open
MySQL / MariaDB Relational Databases 7 Open
Advanced SQL Relational Databases 1 Open
NoSQL Databases
MongoDB NoSQL Databases 5 Open
ClickHouse NoSQL Databases 7 Open
Apache Cassandra NoSQL Databases 2 Open
DynamoDB NoSQL Databases 1 Open
Neo4j NoSQL Databases 1 Open
NewSQL Databases
CockroachDB NewSQL Databases 1 Open
Vitess NewSQL Databases 1 Open
Database Optimization
Database Indexing Database Optimization 44 Open
Query Optimization Database Optimization 28 Open
Transactions & Concurrency Database Optimization 7 Open
Connection Pooling Database Optimization 9 Open
Database Sharding Database Optimization 9 Open
Database Administration
Replication & High Availability Database Administration 3 Open
Backup & Disaster Recovery Database Administration 4 Open
Data Modeling
Data Modeling & Schema Design Data Modeling 17 Open
Database Migrations Data Modeling 14 Open

API & Integration

12 skills
Skills Group Roles Actions
REST API
REST API Design REST API 70 Open
GraphQL
GraphQL Design GraphQL 60 Open
API Protocols
WebSocket API Design API Protocols 25 Open
Server-Sent Events & Streaming API Protocols 2 Open
gRPC & Protocol Buffers API Protocols 9 Open
gRPC
gRPC & Protocol Buffers gRPC 21 Open
API Gateway & Service Communication
API Gateway API Gateway & Service Communication 2 Open
Webhooks & Integrations API Gateway & Service Communication 5 Open
API Management
API Versioning Strategies API Management 13 Open
API Documentation API Management 65 Open
API Testing API Management 9 Open
Rate Limiting & Throttling API Management 11 Open

Cloud & Infrastructure

23 skills
Skills Group Roles Actions
Containerization
Docker Containerization 70 Open
Virtualization Containerization 1 Open
Container Security
Container Security Scanning Container Security 13 Open
Kubernetes & Orchestration
Kubernetes Core Kubernetes & Orchestration 67 Open
Kubernetes Advanced Kubernetes & Orchestration 7 Open
Helm Kubernetes & Orchestration 8 Open
Kubernetes Orchestration Kubernetes & Orchestration 2 Open
Infrastructure as Code
Terraform Infrastructure as Code 42 Open
Pulumi Infrastructure as Code 3 Open
Ansible Infrastructure as Code 6 Open
Crossplane Infrastructure as Code 2 Open
Serverless
Serverless Functions Serverless 4 Open
Serverless Containers Serverless 2 Open
Cloud Providers
AWS Cloud Providers 70 Open
Google Cloud Platform Cloud Providers 2 Open
Yandex Cloud Cloud Providers 1 Open
Microsoft Azure Cloud Providers 2 Open
Service Mesh
Istio Service Mesh Service Mesh 2 Open
Envoy Proxy Service Mesh 2 Open
Networking
Network Fundamentals Networking 66 Open
DNS & Networking
Load Balancing DNS & Networking 7 Open
CDN & Edge Computing DNS & Networking 5 Open
VPN & Network Isolation DNS & Networking 6 Open

DevOps & CI/CD

11 skills
Skills Group Roles Actions
CI/CD
GitHub Actions / GitLab CI CI/CD 70 Open
Jenkins CI/CD 2 Open
GitLab CI/CD Advanced CI/CD 6 Open
Tekton Pipelines CI/CD 1 Open
GitOps
GitOps Practices GitOps 4 Open
ArgoCD GitOps 7 Open
FluxCD GitOps 1 Open
Release Management
Feature Flags Release Management 8 Open
Deployment Strategies
Blue/Green Deployment Deployment Strategies 5 Open
Canary Deployment Deployment Strategies 5 Open
Progressive Delivery Deployment Strategies 2 Open

Testing & QA

22 skills
Skills Group Roles Actions
Test Strategy
Test Pyramid & Strategy Test Strategy 5 Open
TDD & BDD Test Strategy 18 Open
Mutation Testing Test Strategy 2 Open
Property-Based Testing Test Strategy 8 Open
Test Case Design Test Strategy 1 Open
Test Planning Test Strategy 1 Open
Unit Testing
Unit Testing Unit Testing 70 Open
Unit Testing Unit Testing 8 Open
Integration Testing
Integration Testing Integration Testing 70 Open
E2E Testing
E2E Testing E2E Testing 36 Open
Selenium / WebDriver E2E Testing 1 Open
Performance Testing
Load Testing Performance Testing 7 Open
Performance Testing Performance Testing 2 Open
Contract Testing
Contract Testing Contract Testing 1 Open
Specialized Testing
Chaos Engineering Specialized Testing 5 Open
Accessibility Testing Specialized Testing 6 Open
Mobile Testing Specialized Testing 6 Open
Security Testing Specialized Testing 7 Open
Test Infrastructure
TestContainers Test Infrastructure 3 Open
Test Data Management Test Infrastructure 5 Open
Test Environment Management Test Infrastructure 5 Open
Automation Frameworks Test Infrastructure 1 Open

Security

18 skills
Skills Group Roles Actions
Application Security
OWASP & Application Security Application Security 70 Open
SAST/DAST Application Security 5 Open
Secure Coding Practices Application Security 65 Open
Threat Modeling Application Security 8 Open
Dependency Vulnerability Scanning Application Security 7 Open
Infrastructure Security
Secrets Management Infrastructure Security 19 Open
Network Security Infrastructure Security 8 Open
Cloud Security Infrastructure Security 9 Open
Kubernetes Security Infrastructure Security 6 Open
Authentication & Authorization
JWT / OAuth2 / OIDC Authentication & Authorization 30 Open
RBAC / ABAC Authorization Authentication & Authorization 5 Open
Compliance
GDPR / 152-FZ Compliance Compliance 3 Open
SOC2 Compliance Compliance 2 Open
PCI DSS Compliance 3 Open
Supply Chain Security
Supply Chain Security Supply Chain Security 4 Open
Incident Response
Incident Response Process Incident Response 7 Open
Digital Forensics Basics Incident Response 3 Open
Vulnerability Management Incident Response 6 Open

Data Engineering

16 skills
Skills Group Roles Actions
Batch Processing
Apache Spark Batch Processing 3 Open
dbt Batch Processing 4 Open
Pandas / Polars Batch Processing 9 Open
SQL-based ETL Batch Processing 6 Open
Stream Processing
Stream Processing Stream Processing 2 Open
Data Lakehouse
Delta Lake / Apache Iceberg Data Lakehouse 1 Open
Data Lake Architecture Data Lakehouse 2 Open
Data Warehousing
Data Warehouse Design Data Warehousing 4 Open
Data Governance
Data Catalog Data Governance 4 Open
Data Lineage Data Governance 4 Open
Data Contracts Data Governance 4 Open
Data Quality
Data Quality Data Quality 6 Open
Data Orchestration
Apache Airflow Data Orchestration 4 Open
Dagster / Prefect Data Orchestration 2 Open
Data Visualization
BI Dashboards Data Visualization 4 Open
Data Visualization Data Visualization 1 Open

Machine Learning & AI

57 skills
Skills Group Roles Actions
Classical Machine Learning
Classical ML (scikit-learn) Classical Machine Learning 5 Open
Gradient Boosting Classical Machine Learning 2 Open
Bayesian Methods Classical Machine Learning 1 Open
Dimensionality Reduction Classical Machine Learning 1 Open
Ensemble Methods Classical Machine Learning 1 Open
Experiment Design Classical Machine Learning 1 Open
Feature Engineering Classical Machine Learning 1 Open
Hypothesis Testing in ML Classical Machine Learning 1 Open
Jupyter Notebooks Classical Machine Learning 1 Open
Pandas / NumPy Classical Machine Learning 1 Open
Python Programming Classical Machine Learning 2 Open
scikit-learn Classical Machine Learning 1 Open
Statistical Analysis Classical Machine Learning 1 Open
Time Series Analysis Classical Machine Learning 1 Open
Deep Learning
PyTorch Deep Learning 5 Open
Deep Learning Deep Learning 2 Open
Neural Network Architectures Deep Learning 2 Open
Reinforcement Learning Deep Learning 1 Open
TensorFlow / PyTorch Deep Learning 2 Open
Transfer Learning Deep Learning 2 Open
Computer Vision
Computer Vision Fundamentals Computer Vision 1 Open
Object Detection Computer Vision 1 Open
Image Segmentation Computer Vision 1 Open
Video Analytics Computer Vision 1 Open
Natural Language Processing
Transformers & NLP Natural Language Processing 3 Open
Text Classification Natural Language Processing 1 Open
Named Entity Recognition Natural Language Processing 1 Open
Sentiment Analysis Natural Language Processing 1 Open
Natural Language Processing Natural Language Processing 2 Open
Tokenization Natural Language Processing 1 Open
Recommender Systems
Recommender Systems Fundamentals Recommender Systems 1 Open
MLOps
MLflow MLOps 6 Open
Feature Stores MLOps 3 Open
Model Serving MLOps 7 Open
Experiment Tracking MLOps 7 Open
ML Pipelines MLOps 6 Open
ML Deployment MLOps 2 Open
ML Experiment Tracking MLOps 2 Open
ML Model Evaluation MLOps 2 Open
Model Monitoring MLOps 6 Open
LLM & Generative AI
LLM Applications LLM & Generative AI 4 Open
LLM Fine-tuning LLM & Generative AI 2 Open
RAG Architecture LLM & Generative AI 3 Open
Vector Databases LLM & Generative AI 3 Open
AI Agent Frameworks LLM & Generative AI 2 Open
Distributed Training LLM & Generative AI 1 Open
Embeddings & Vector DB LLM & Generative AI 1 Open
LLM Alignment LLM & Generative AI 1 Open
LLM Deployment LLM & Generative AI 1 Open
LLM Evaluation LLM & Generative AI 2 Open
LLM Prompt Engineering LLM & Generative AI 2 Open
RAG LLM & Generative AI 1 Open
LLM Safety LLM & Generative AI 1 Open
LLM Scaling LLM & Generative AI 1 Open
RLHF Techniques LLM & Generative AI 1 Open
Transformer Architecture LLM & Generative AI 1 Open
vLLM Inference LLM & Generative AI 1 Open

AI-Assisted Development

10 skills
Skills Group Roles Actions
AI Coding Assistants
GitHub Copilot AI Coding Assistants 70 Open
Cursor IDE AI Coding Assistants 57 Open
ChatGPT / Claude AI Coding Assistants 70 Open
Claude Code / Agentic Coding AI Coding Assistants 1 Open
Prompt Engineering
Prompt Engineering for Code Prompt Engineering 69 Open
AI in Development Workflows
AI Code Review AI in Development Workflows 1 Open
AI Documentation Generation AI in Development Workflows 1 Open
AI Test Generation AI in Development Workflows 3 Open
MCP & AI Tools
Model Context Protocol (MCP) MCP & AI Tools 2 Open
AI Agents for Development MCP & AI Tools 2 Open

Architecture & System Design

20 skills
Skills Group Roles Actions
System Design
System Design Fundamentals System Design 70 Open
High Load Architecture System Design 11 Open
Capacity Planning System Design 9 Open
Disaster Recovery Design System Design 9 Open
Microservices Patterns
Microservices Decomposition Microservices Patterns 11 Open
Saga Pattern Microservices Patterns 1 Open
Architecture Patterns
Hexagonal Architecture Architecture Patterns 3 Open
Clean Architecture Architecture Patterns 15 Open
Modular Monolith Architecture Patterns 1 Open
Serverless Architecture Patterns Architecture Patterns 1 Open
Distributed Systems Architecture Patterns 2 Open
Event-Driven Architecture
Event Sourcing Event-Driven Architecture 2 Open
CQRS Event-Driven Architecture 10 Open
Event-Driven Architecture Event-Driven Architecture 9 Open
Domain-Driven Design
DDD Tactical Patterns Domain-Driven Design 5 Open
DDD Strategic Patterns Domain-Driven Design 2 Open
Architecture Governance
Architecture Decision Records (ADR) Architecture Governance 4 Open
Technology Radar Practice Architecture Governance 3 Open
Architecture Fitness Functions Architecture Governance 2 Open
Technical Debt Management Architecture Governance 5 Open

Observability & Monitoring

11 skills
Skills Group Roles Actions
Logging
Structured Logging Logging 70 Open
ELK Stack Logging 22 Open
Grafana Loki Logging 2 Open
Metrics & Monitoring
Prometheus & Grafana Metrics & Monitoring 69 Open
Custom Business Metrics Metrics & Monitoring 7 Open
Distributed Tracing
OpenTelemetry Distributed Tracing 52 Open
Jaeger / Grafana Tempo Distributed Tracing 1 Open
Profiling
Continuous Profiling Profiling 1 Open
APM Tools Profiling 2 Open
Alerting & On-Call
SLI / SLO / SLA Alerting & On-Call 35 Open
Incident Management
On-Call Management Incident Management 14 Open

Version Control & Collaboration

6 skills
Skills Group Roles Actions
Git & Workflows
Git Advanced Git & Workflows 70 Open
Monorepo Tools Git & Workflows 2 Open
Git LFS Git & Workflows 4 Open
Code Review
Code Review Code Review 70 Open
Collaboration Tools
Documentation as Code Collaboration Tools 18 Open
InnerSource Practices Collaboration Tools 3 Open

Game Development

31 skills
Skills Group Roles Actions
Game Engines
Unity Engine Game Engines 5 Open
Unreal Engine C++/Blueprints Game Engines 4 Open
Asset Pipeline Game Engines 2 Open
Unreal Blueprints Game Engines 1 Open
Game Programming
Game Physics Game Programming 6 Open
Game AI: Pathfinding, Behavior Trees Game Programming 4 Open
Game Networking: Netcode, Photon Game Programming 5 Open
Game Rendering: Shaders, Pipeline Game Programming 4 Open
C++ Development Game Programming 1 Open
Game Audio Programming Game Programming 6 Open
Game UI Game Programming 3 Open
Physics Engines Game Programming 2 Open
Procedural Generation Game Programming 2 Open
Game Animation Systems Game Programming 6 Open
Game Design
Game Mechanics Design Game Design 4 Open
Level Design Game Design 2 Open
Game Economy & Balancing Game Design 3 Open
Game Narrative Design Game Design 1 Open
Game UX & UI Design Game Design 6 Open
Game Infrastructure
Game Backend: PlayFab, Nakama Game Infrastructure 3 Open
Game Analytics Game Infrastructure 5 Open
Game Monetization: F2P, IAP Game Infrastructure 1 Open
LiveOps & Game-as-a-Service Game Infrastructure 2 Open
Multiplayer Architecture Game Infrastructure 3 Open
Game Platforms
Mobile Game Development Game Platforms 4 Open
PC/Console Game Development Game Platforms 4 Open
Web Game Development: WebGL, HTML5 Game Platforms 4 Open
Cross-Platform Build Game Platforms 2 Open
Game QA
Game Testing & QA Game QA 6 Open
Game Performance Optimization Game QA 7 Open
Game Localization Game QA 4 Open

Blockchain & Web3

36 skills
Skills Group Roles Actions
Blockchain Fundamentals
Blockchain Fundamentals Blockchain Fundamentals 2 Open
Consensus Mechanisms: PoW, PoS, BFT Blockchain Fundamentals 2 Open
Applied Cryptography Blockchain Fundamentals 2 Open
Applied Cryptography Blockchain Fundamentals 1 Open
Merkle Trees Blockchain Fundamentals 2 Open
Zero-Knowledge Proofs Blockchain Fundamentals 2 Open
Smart Contracts
Solidity Smart Contracts 2 Open
Vyper Smart Contracts 1 Open
Smart Contract Security & Auditing Smart Contracts 2 Open
Smart Contract Testing: Foundry, Hardhat Smart Contracts 2 Open
Formal Verification of Contracts Smart Contracts 1 Open
Gas Optimization Smart Contracts 1 Open
Smart Contract Audit Smart Contracts 2 Open
Smart Contract Platforms Smart Contracts 2 Open
Solidity Development Smart Contracts 2 Open
Upgradeable Contracts Smart Contracts 1 Open
Vyper Development Smart Contracts 2 Open
DeFi
DeFi Protocols: AMM, Lending, DEX DeFi 2 Open
Tokenomics Design DeFi 2 Open
Crypto Economics DeFi 2 Open
Blockchain Infrastructure
Ethereum Ecosystem Blockchain Infrastructure 2 Open
Layer 2 Solutions: Rollups, Sidechains Blockchain Infrastructure 2 Open
Blockchain Indexing: The Graph, Subgraph Blockchain Infrastructure 1 Open
Node Operation Blockchain Infrastructure 1 Open
ZK-Rollups Blockchain Infrastructure 2 Open
Web3 Development
Web3 Frontend: ethers.js, wagmi Web3 Development 2 Open
Wallet Integration: MetaMask, WalletConnect Web3 Development 2 Open
IPFS & Decentralized Storage Web3 Development 1 Open
NFT Development Web3 Development 2 Open
Cross-Chain Bridges Web3 Development 2 Open
DAO Governance Web3 Development 2 Open
DApp Development Web3 Development 2 Open
NFT Standards Web3 Development 2 Open
Token Standards Web3 Development 2 Open
Web3 Libraries Web3 Development 2 Open
Cross-Chain Bridges Web3 Development 2 Open

XR: AR/VR/MR

19 skills
Skills Group Roles Actions
AR Development
ARKit / ARCore AR Development 2 Open
AR Content Creation AR Development 2 Open
Markerless AR Tracking AR Development 2 Open
AR Foundation AR Development 1 Open
VR Development
VR Interaction Design VR Development 2 Open
VR Locomotion & Comfort VR Development 2 Open
VR Controller Integration VR Development 2 Open
VR SDK Integration VR Development 2 Open
XR Platforms
OpenXR Standard XR Platforms 2 Open
Meta Quest Development XR Platforms 2 Open
Apple visionOS Development XR Platforms 2 Open
XR Interaction XR Platforms 2 Open
XR Performance Optimization XR Platforms 2 Open
3D Graphics & Computing
3D Math: Linear Algebra, Quaternions 3D Graphics & Computing 2 Open
3D Asset Pipeline 3D Graphics & Computing 2 Open
Spatial Computing 3D Graphics & Computing 2 Open
Animation Systems 3D Graphics & Computing 2 Open
GPU Programming 3D Graphics & Computing 3 Open
Shader Programming 3D Graphics & Computing 2 Open

Desktop Development

12 skills
Skills Group Roles Actions
Electron & Web-based Desktop
Electron Core Electron & Web-based Desktop 1 Open
Electron Security: Sandbox, Preload Electron & Web-based Desktop 1 Open
Native Desktop Development
Qt / C++ Desktop Native Desktop Development 1 Open
WPF / WinUI: .NET Desktop Native Desktop Development 1 Open
GTK / Linux Desktop Native Desktop Development 1 Open
Cross-Platform Desktop
Avalonia UI Cross-Platform Desktop 1 Open
Auto-Update Mechanisms Cross-Platform Desktop 3 Open
Desktop App Packaging: MSI, DMG, AppImage Cross-Platform Desktop 3 Open
Desktop Patterns
MVVM Pattern Desktop Patterns 3 Open
IPC: Inter-Process Communication Desktop Patterns 3 Open
Plugin Architecture Desktop Patterns 3 Open
Offline-First & Local Storage Desktop Patterns 3 Open

Networking & Telecom

16 skills
Skills Group Roles Actions
Network Protocols
TCP/IP Deep Dive Network Protocols 4 Open
HTTP/2 & HTTP/3 QUIC Network Protocols 3 Open
DNS Deep Dive Network Protocols 3 Open
BGP / OSPF Routing Network Protocols 2 Open
Network Security
Firewall Management Network Security 1 Open
IDS/IPS Systems Network Security 1 Open
Network Segmentation Network Security 1 Open
Network Infrastructure
Load Balancer Deep Dive L4/L7 Network Infrastructure 2 Open
Reverse Proxy: NGINX, Traefik, Caddy Network Infrastructure 2 Open
Network Automation: Netmiko, NAPALM Network Infrastructure 2 Open
Software-Defined Networking (SDN) Network Infrastructure 2 Open
Telecom
VoIP / SIP Protocol Telecom 1 Open
5G Core Network Telecom 1 Open
WebRTC Telecom 1 Open
Signaling Protocols Telecom 1 Open
Telecom Billing Systems Telecom 1 Open

Compilers & Languages

14 skills
Skills Group Roles Actions
Compiler Theory
Lexing & Parsing Compiler Theory 3 Open
AST & IR Manipulation Compiler Theory 3 Open
Type Inference & Type Checking Compiler Theory 3 Open
Compiler Optimization Passes Compiler Theory 2 Open
Compiler Frontend Compiler Theory 1 Open
Compiler Optimization Compiler Theory 1 Open
Compiler Tools
LLVM Framework Compiler Tools 2 Open
Language Server Protocol (LSP) Compiler Tools 3 Open
Code Generation Compiler Tools 3 Open
JIT Compilation Compiler Tools 2 Open
Linker & Loader Compiler Tools 1 Open
Static Analysis Compiler Tools 1 Open
DSL & Interpreters
DSL Design & Implementation DSL & Interpreters 3 Open
Interpreter Design DSL & Interpreters 3 Open

Embedded & IoT

34 skills
Skills Group Roles Actions
Embedded Programming
C for Embedded Embedded Programming 3 Open
C++ for Embedded Embedded Programming 3 Open
Rust for Embedded Embedded Programming 2 Open
MicroPython / CircuitPython Embedded Programming 1 Open
Bare Metal Programming Embedded Programming 1 Open
C Programming Embedded Programming 1 Open
CPU Architecture Embedded Programming 1 Open
Driver Development Embedded Programming 1 Open
Firmware Development Embedded Programming 1 Open
Interrupt Handling Embedded Programming 1 Open
Kernel Development Embedded Programming 1 Open
Operating Systems Embedded Programming 1 Open
Rust Language Embedded Programming 2 Open
Safety Certification Embedded Programming 1 Open
Signal Processing (Embedded) Embedded Programming 1 Open
Systems Programming in Go Embedded Programming 1 Open
RTOS & Real-Time
RTOS Fundamentals: FreeRTOS, Zephyr RTOS & Real-Time 3 Open
Real-Time Systems Design RTOS & Real-Time 2 Open
Bare Metal Programming RTOS & Real-Time 2 Open
Real-Time Programming RTOS & Real-Time 1 Open
RTOS Development RTOS & Real-Time 1 Open
Hardware Interfaces
SPI / I2C / UART Protocols Hardware Interfaces 2 Open
GPIO, ADC, DAC Hardware Interfaces 2 Open
BLE & Wireless: Zigbee, LoRa, WiFi Hardware Interfaces 2 Open
Hardware Interfaces Hardware Interfaces 1 Open
IoT Platforms
MQTT Protocol IoT Platforms 2 Open
IoT Cloud Platforms: AWS IoT, Azure IoT IoT Platforms 1 Open
Edge Computing for IoT IoT Platforms 1 Open
IoT Security IoT Platforms 2 Open
Embedded Tools
Embedded Debugging: JTAG, SWD Embedded Tools 2 Open
Embedded CI/CD Embedded Tools 2 Open
Cross-Compilation Embedded Tools 1 Open
Debugging Tools Embedded Tools 1 Open
Embedded Testing Embedded Tools 1 Open

Product Management

14 skills
Skills Group Roles Actions
Product Strategy
Product Vision & Strategy Product Strategy 2 Open
Product Roadmap Product Strategy 2 Open
Market Research & Competitive Analysis Product Strategy 2 Open
OKR & Product KPIs Product Strategy 2 Open
Product Discovery
User Research Product Discovery 2 Open
Jobs-to-be-Done Framework Product Discovery 2 Open
Hypothesis Testing Product Discovery 2 Open
A/B Testing Product Product Discovery 2 Open
Product Delivery
User Story Mapping Product Delivery 2 Open
Backlog Management Product Delivery 2 Open
Stakeholder Management Product Delivery 2 Open
Go-to-Market Strategy Product Delivery 2 Open
Product Analytics
Product Analytics: Amplitude, Mixpanel Product Analytics 2 Open
Funnel Analysis & Retention Product Analytics 2 Open

Project Management

10 skills
Skills Group Roles Actions
Agile Methods
Scrum Framework Agile Methods 2 Open
Kanban Method Agile Methods 2 Open
SAFe Framework Agile Methods 1 Open
Project Planning
Estimation Techniques Project Planning 2 Open
Risk Management Project Planning 2 Open
Resource Planning Project Planning 1 Open
Delivery Management
Delivery Metrics: Lead Time, Cycle Time, Velocity Delivery Management 2 Open
Process Improvement: Kaizen, Retrospectives Delivery Management 2 Open
Dependency Management Cross-Team Delivery Management 2 Open
Release Planning Delivery Management 2 Open

Documentation

8 skills
Skills Group Roles Actions
Technical Documentation
API Documentation Writing Technical Documentation 3 Open
Architecture Documentation: C4, arc42 Technical Documentation 7 Open
Runbook & Playbook Writing Technical Documentation 9 Open
User Documentation
User Documentation User Documentation 4 Open
Knowledge Base Management User Documentation 4 Open
Docs-as-Code
Docs-as-Code: MkDocs, Docusaurus, Antora Docs-as-Code 1 Open
Diagramming: Mermaid, PlantUML, D2 Docs-as-Code 8 Open
Technical Blogging Docs-as-Code 1 Open

Performance Engineering

14 skills
Skills Group Roles Actions
Profiling
CPU Profiling Profiling 20 Open
Memory Profiling Profiling 15 Open
I/O & Disk Profiling Profiling 7 Open
Network Profiling Profiling 1 Open
Code Profiling Profiling 1 Open
Performance Profiling Profiling 1 Open
Optimization
Latency Optimization Optimization 22 Open
Throughput Optimization Optimization 6 Open
Resource Optimization FinOps Optimization 6 Open
Database Performance Tuning Optimization 4 Open
Low-Latency Systems Optimization 1 Open
Benchmarking
Benchmarking Tools & Methodology Benchmarking 7 Open
Performance Budgets Benchmarking 19 Open
Profiling & Benchmarking Benchmarking 4 Open

1C:Enterprise

10 skills
Skills Group Roles Actions
1C Platform
1C Programming Language 1C Platform 1 Open
1C Configuration 1C Platform 1 Open
1C Data Model: Registers, Catalogs, Documents 1C Platform 1 Open
1C Modules
1C:ERP 1C Modules 1 Open
1C:Accounting 1C Modules 1 Open
1C:HRM (Salary & HR) 1C Modules 1 Open
1C Integration
1C Integration: REST, SOAP, COM 1C Integration 1 Open
1C Web Services & HTTP Services 1C Integration 1 Open
1C High-Load Configurations 1C Integration 1 Open
1C Testing: Vanessa, xUnitFor1C 1C Integration 1 Open