Compiler & Language Engineering

Language Tooling Engineer

Building developer tools for programming languages: LSP servers, IDE plugins, static analysis, linters

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51 skills
255 requirements
101 mandatory
14 domains
Awareness 51 Working 80 Advanced 100 Expert 24
Level:
All domains Programming Fundamentals 13 Backend Development 1 Database Management 1 API & Integration 3 Cloud & Infrastructure 4 DevOps & CI/CD 1 Testing & QA 4 Security 2 AI-Assisted Development 4 Architecture & System Design 1 Observability & Monitoring 3 Version Control & Collaboration 3 Compilers & Languages 7 Performance Engineering 4
Profiles: Awareness Working Advanced Expert -- Click level to expand, click requirement for details and voting

Programming Fundamentals

13 skills · 65 requirements
Skill Junior Middle Senior Lead Principal
Algorithms & Data Structures
Algorithms & Complexity Awareness Working Working Advanced Expert
Data Structures Awareness Working Working Advanced Advanced
Graph Algorithms Awareness Working Advanced Advanced Expert
OOP & Design Patterns
OOP & SOLID Principles Awareness Working Working Advanced Advanced
Design Patterns Awareness Working Working Advanced Advanced
Concurrency & Parallelism
Multithreading Awareness Working Advanced Advanced Expert
Async Programming Awareness Working Working Advanced Expert
Clean Code & Refactoring
Code Quality & Refactoring Awareness Working Working Advanced Advanced
Functional Programming
Functional Programming Principles Awareness Working Advanced Advanced Expert
Immutability & Persistent Data Structures Awareness Working Advanced Advanced Expert
Type Systems
Type Safety & Type Systems Awareness Working Advanced Advanced Expert
Generics & Parametric Polymorphism Awareness Working Advanced Advanced Expert
Memory Management
Memory Management Awareness Working Advanced Advanced Expert

Backend Development

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
Caching
Redis Awareness Working Working Advanced Advanced

Database Management

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
Relational Databases
PostgreSQL Awareness Working Working Advanced Advanced

API & Integration

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
REST API
REST API Design Awareness Working Working Advanced Advanced
GraphQL
GraphQL Design Awareness Working Working Advanced Advanced
API Management
API Documentation Awareness Working Advanced Advanced Expert

Cloud & Infrastructure

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Containerization
Docker Awareness Working Working Advanced Advanced
Kubernetes & Orchestration
Kubernetes Core Awareness Working Working Advanced Advanced
Cloud Providers
AWS Awareness Working Working Advanced Advanced
Networking
Network Fundamentals Awareness Working Working Advanced Advanced

DevOps & CI/CD

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
CI/CD
GitHub Actions / GitLab CI Awareness Working Working Advanced Advanced

Testing & QA

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Test Strategy
TDD & BDD Awareness Working Advanced Advanced Expert
Property-Based Testing Awareness Working Advanced Advanced Expert
Unit Testing
Unit Testing Awareness Working Working Advanced Advanced
Integration Testing
Integration Testing Awareness Working Working Advanced Advanced

Security

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Application Security
OWASP & Application Security Awareness Working Working Advanced Advanced
Secure Coding Practices Awareness Working Working Advanced Advanced

AI-Assisted Development

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
AI Coding Assistants
GitHub Copilot Awareness Working Working Advanced Advanced
Cursor IDE Awareness Working Working Advanced Advanced
ChatGPT / Claude Awareness Working Working Advanced Advanced
Prompt Engineering
Prompt Engineering for Code Awareness Working Working Advanced Advanced

Architecture & System Design

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
System Design
System Design Fundamentals Awareness Working Working Advanced Advanced

Observability & Monitoring

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
Logging
Structured Logging Awareness Working Working Advanced Advanced
Metrics & Monitoring
Prometheus & Grafana Awareness Working Working Advanced Advanced
Distributed Tracing
OpenTelemetry Awareness Working Working Advanced Advanced

Version Control & Collaboration

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
Git & Workflows
Git Advanced Awareness Working Working Advanced Advanced
Code Review
Code Review Awareness Working Working Advanced Advanced
Collaboration Tools
Documentation as Code Awareness Working Advanced Advanced Expert

Compilers & Languages

7 skills · 35 requirements
Skill Junior Middle Senior Lead Principal
Compiler Theory
Lexing & Parsing Awareness Working Advanced Advanced Expert
AST & IR Manipulation Awareness Working Advanced Advanced Expert
Type Inference & Type Checking Awareness Working Advanced Advanced Expert
Compiler Tools
Language Server Protocol (LSP) Awareness Working Advanced Advanced Expert
Code Generation Awareness Working Advanced Advanced Expert
DSL & Interpreters
DSL Design & Implementation Awareness Working Advanced Advanced Expert
Interpreter Design Awareness Working Advanced Advanced Expert

Performance Engineering

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Profiling
CPU Profiling Awareness Working Advanced Advanced Expert
Memory Profiling Awareness Working Advanced Advanced Expert
Optimization
Latency Optimization Awareness Working Advanced Advanced Expert
Benchmarking
Benchmarking Tools & Methodology Awareness Working Advanced Advanced Expert
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