Compiler Engineer - HFT

Senior Compiler Engineer

Location: New York City or Chicago

We're working with a world-class quantitative technology firm looking for Compiler Engineers to build and optimise the compiler and runtime infrastructure behind large-scale, performance-critical C++ systems.

You'll be responsible for improving compiler performance, runtime efficiency, and code generation while working closely with systems engineers on software where every optimisation has measurable impact.

Responsibilities

• Develop compiler and toolchain enhancements
• Improve optimisation passes and generated code quality
• Optimise runtime performance on modern CPU architectures
• Work with LLVM, Clang, GCC, or similar compiler technologies
• Analyse and resolve low-level performance bottlenecks

Requirements

• Expert-level C++ programming skills
• Experience with LLVM, Clang, GCC, or compiler/toolchain development
• Strong understanding of compiler internals, runtime systems, and code generation
• Excellent knowledge of CPU architecture, memory hierarchy, and performance engineering
• Passion for solving complex systems and optimisation problems

Academic Background

Candidates should have an exceptional academic record in Computer Science, Mathematics, Computer Engineering, Electrical Engineering, or a closely related field. Strong foundations in algorithms, data structures, compiler theory, operating systems, and computer architecture are highly valued.

You'll be joining an engineering organisation with an exceptionally high hiring bar, where technical excellence, intellectual curiosity, and deep systems expertise are central to the culture.