Compiler Engineer

4 weeks ago

Bengaluru, India Ideaon Full time

Job Summary:We are seeking a highly skilled CLANG/LLVM Compiler Engineer to join our compiler development team. The ideal candidate will have hands-on experience with LLVM/CLANG infrastructure, code generation, and optimization pipelines, and will contribute to building high-performance compiler toolchains for modern architectures. You will work closely with software and hardware teams to enable next-generation compiler features, improve compile-time and runtime performance, and support cross-platform development.Key Responsibilities:Design, implement, and maintain compiler features within the LLVM/CLANG ecosystem, including front-end, middle-end, and back-end passes.Work on language front-end enhancements, code transformations, static analysis, and diagnostics in CLANG.Develop and optimize LLVM IR passes, including loop optimizations, vectorization, inlining, and code generation for target architectures.Improve compiler performance, including compile-time optimizations, memory usage, and build throughput.Implement tooling and infrastructure for static/dynamic analysis, code instrumentation, and profiling.Collaborate with hardware teams to support new CPU/GPU features and enable architecture-specific optimizations.Debug and maintain compiler toolchains, ensuring correctness, reliability, and performance across platforms.Participate in code reviews, design discussions, and provide technical guidance to team members.Contribute to open-source LLVM/CLANG community when appropriate, maintaining alignment with upstream standards.Required Qualifications:Strong programming experience in C/C++, with modern C++ (C++11/14/17/20) preferred.Hands-on experience with LLVM/CLANG internals: IR, passes, code generation, and optimizations.Experience with compiler design, including parsing, AST, semantic analysis, and code generation.Solid understanding of CPU/GPU architectures, instruction sets, and low-level code optimization.Familiarity with build systems (CMake, Ninja) and cross-compilation.Ability to write efficient, maintainable, and portable code.Strong problem-solving, debugging, and performance analysis skills.Excellent written and verbal communication skills.Skills and Competencies:Deep understanding of compiler theory, IR design, and optimization techniques.Ability to work on complex, cross-platform software in a collaborative environment.Comfortable with debugging at assembly and IR level.Strong analytical skills and attention to detail.Preferred Qualifications:Experience with sanitizers, static analyzers, or runtime instrumentation.Knowledge of JIT compilation, LLVM MC layer, or backend target development.Familiarity with vectorization, SIMD, and parallelization optimizations.Contributions to LLVM/CLANG open-source projects.Experience with CI/CD and automated compiler testing frameworks.Knowledge of profiling tools (perf, VTune, gprof, Valgrind).What You’ll Gain:Opportunity to work on cutting-edge compiler technology.Direct impact on performance-critical software stacks.Exposure to hardware-software co-optimization for next-generation architectures.Collaboration with a team of experts in compilers, programming languages, and architecture.

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