Skill Profile

DSL Design & Implementation

DSL design: internal/external DSL, syntax design, tooling, usability

Compilers & Languages DSL & Interpreters

Roles

3

where this skill appears

Levels

5

structured growth path

Mandatory requirements

6

the other 9 optional

Domain

Compilers & Languages

Group

DSL & Interpreters

Last updated

3/17/2026

How to Use

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role Required Description
Compiler Engineer Knows basic DSL design concepts for compiler engineering and can apply them in common tasks. Uses standard tools and follows established team practices. Understands when and why this approach is used.
Language Tooling Engineer Understands DSL grammar specifications and basic parser construction. Writes simple DSL expressions following existing language syntax. Tests DSL programs against expected output under mentorship.
Systems Programmer (C/C++) Uses internal DSLs for configuration and build system specifications. Understands the difference between internal and external DSLs. Modifies simple DSL scripts following established patterns and documentation.
Role Required Description
Compiler Engineer Confidently applies DSL design for compiler engineering in non-standard tasks. Independently selects optimal approach and tools. Analyzes trade-offs and suggests improvements to existing solutions.
Language Tooling Engineer Designs and implements domain-specific languages with custom parsers and semantic analysis. Builds error reporting and IDE integration for DSL tooling. Writes comprehensive test suites covering DSL edge cases and error handling.
Systems Programmer (C/C++) Implements embedded DSLs for hardware description and system configuration tasks. Builds DSL interpreters with proper scoping, type checking, and error reporting. Writes compiler tests ensuring DSL-to-native code translation correctness.
Role Required Description
Compiler Engineer Expertly applies DSL design for compiler engineering in designing complex systems. Optimizes existing solutions and prevents architectural mistakes. Conducts code reviews and trains colleagues on best practices.
Language Tooling Engineer Required Architects DSL ecosystems with composable grammars, type systems, and compilation targets. Designs language server protocols for DSL IDE support. Mentors the team on language design principles and user experience trade-offs.
Systems Programmer (C/C++) Required Designs DSLs for performance-critical domains such as networking rules and memory management policies. Architects DSL compilation to optimized native code with zero-overhead abstractions. Mentors engineers on language design for systems programming contexts.
Role Required Description
Compiler Engineer Establishes DSL design standards for the compiler engineering team and makes architectural decisions. Defines technical roadmap considering this skill. Mentors senior engineers and influences practices of adjacent teams.
Language Tooling Engineer Required Defines compiler architecture. Establishes development standards. Coordinates compiler team.
Systems Programmer (C/C++) Required Defines compiler architecture. Establishes development standards. Coordinates the compiler team.
Role Required Description
Compiler Engineer Shapes DSL design strategy for compiler engineering at the organizational level. Defines best practices and influences technology choices beyond their own team. Is a recognized expert in this area.
Language Tooling Engineer Required Defines compiler/language development strategy. Designs core language features. Shapes technology vision.
Systems Programmer (C/C++) Required Defines compiler/language development strategy. Designs core language features. Establishes technology vision.

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