Staff Compiler Performance Engineer

Accountabilities •

Performance Strategy and Technical Roadmap: Define the compiler's performance direction by analyzing benchmarks, production workloads, and customer requirements to identify the most impactful optimization opportunities.

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Compiler Optimization and Code Generation: Lead the design and implementation of complex, cross-cutting optimizations across compiler optimization pipelines and code generation systems.

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Architecture and Technical Direction: Make key architectural decisions concerning the optimization pipeline, compilation-time budgets, tiered compilation strategies, and the balance between peak performance, startup time, and code size.

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Runtime and Garbage Collection Integration: Drive the design of interfaces between the compiler, runtime, and garbage collector, ensuring effective coordination around speculation, deoptimization, and memory-management barriers.

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Hardware and Product Enablement: Lead engineering efforts to support new hardware platforms and product capabilities, ensuring compiler performance and architectural scalability.

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Technical Leadership and Mentoring: Provide technical guidance to senior engineers, review critical designs and code, and establish best practices for performance measurement, benchmarking, and validation.

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Performance Analysis: Investigate performance bottlenecks at the microarchitecture level and translate findings into measurable improvements in compiler efficiency and generated machine code.

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LLVM Community Engagement: Represent the engineering team in the LLVM ecosystem by contributing to upstream development, participating in architectural discussions, and advancing compiler technologies for managed programming languages.

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Cross-Functional Collaboration: Partner with runtime, garbage collection, and product engineering teams to align technical decisions with broader platform objectives and long-term product requirements.

Requirements

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Professional Experience: At least 8 years of professional experience developing optimizing compilers or just-in-time (JIT) compilers.

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Technical Leadership: Demonstrated experience leading the architecture and design of major compiler components or optimization frameworks deployed in production environments.

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C++ Expertise: Expert-level proficiency in C++ and experience developing, maintaining, and evolving large, long-lived software codebases.

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Compiler Optimization: Deep knowledge of compiler optimization techniques, code generation, and optimization pipeline architecture.

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Performance Engineering: Advanced performance analysis skills, including microarchitecture-level investigation, benchmarking, profiling, and bottleneck identification.

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Optimization Trade-Offs: Strong understanding of the trade-offs between peak execution performance, compilation time, application warmup, and generated code size.

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Architectural Judgment: Ability to make sound technical decisions across complex systems, balancing immediate performance improvements with long-term maintainability and product evolution.

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Communication and Collaboration: Strong technical communication skills and the ability to influence architectural decisions, collaborate across engineering disciplines, and mentor experienced engineers in a distributed team environment.

Preferred Qualifications

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LLVM Contributions: Recognized contributions to LLVM or another major compiler project, such as serving as a code owner or maintainer or authoring significant upstream improvements.

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Managed-Language JIT Experience: Deep experience with JIT compilers for managed languages, such as HotSpot C2, Graal, V8, .NET RyuJIT, or comparable technologies.

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Runtime and Garbage Collection Expertise: Experience collaborating closely with runtime and garbage collection teams on speculation, deoptimization, memory barriers, and related compiler-runtime interactions.

Benefits

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Remote Work Flexibility: Remote employment opportunities in India, with locations including Bangalore, Delhi, and Mumbai.

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Technical Impact: The opportunity to shape the performance strategy and architecture of a mature compiler used in enterprise production environments.

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Advanced Engineering Challenges: Work on complex compiler optimization, generated machine code, runtime integration, and hardware performance.

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Technical Leadership: Influence engineering standards, guide senior developers, and drive decisions across a distributed team of compiler specialists.

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Open-Source Engagement: Opportunities to contribute to LLVM and participate in the broader compiler engineering community.

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Professional Development: Expand expertise in compiler architecture, managed-language runtimes, and performance engineering.

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Compensation and Additional Benefits: Salary, bonuses, healthcare coverage, and other benefits were not specified in the original job description and should be confirmed during the recruitment process.

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