Senior DSL Engineer

Design and implement compiler frontend components including the lexer, parser, abstract syntax tree, and compiler passes.

Design and implement type inference and shape inference systems for the DSL.

Design clear, actionable error and warning diagnostics that help users understand and resolve problems in their programs.

Work within and extend a proprietary automatic reference counting system that governs memory management across the frontend.

Participate in code reviews to maintain code quality and ensure sound design decisions.

Collaborate through pair programming sessions.

Contribute to the full software engineering lifecycle: product specification, requirements gathering, high-level design, low-level design, implementation, and testing.

Help inform the design of future DSLs as the platform expands to other scientific computing domains.

Own a critical layer of our compiler stack where optimization decisions have direct, measurable impact on model performance

Work on the hardest graph-level problems in AI infrastructure — across diverse hardware targets and model architectures

Collaborate with a team that treats infrastructure as a canvas and optimization as a craft

Competitive compensation including equity, medical/dental/vision, retirement savings, and wellness benefits

Lemurian Labs is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of gender identity, race, ethnicity, sexual orientation, disability status, age, or background.

Compensation depends on experience and geographic location and will be narrowed during the interview process. Additional benefits include equity, company bonus opportunities, medical, dental, and vision coverage, a retirement savings plan, and supplemental wellness benefits.