Compiler Developer and System Programer

1 day ago

Bengaluru, Karnataka, India dfc1c9b5-9b8b-4446-8588-ddaf9bffd505 Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Hiring Now: Compiler Developer & System Programmer (C Programming / Systems / Compiler Internals)

Location: Bangalore

Experience: 5+ years

Positions: Multiple (Contract)

Start Date: Immediate Joiners Preferred

We are hiring strong C programmers and system-level engineers to support a high-impact enterprise compiler and runtime modernization initiative for a Tier-1 technology customer. The work focuses on migrating large-scale database and system components from an older proprietary compiler toolchain to a modern LLVM-based toolchain.

While direct compiler development experience is a plus, we are also interested in engineers with strong debugging, systems knowledge and the ability to reason deeply about low-level behavior in complex, performance-critical environments.

This role involves close collaboration with senior engineers from the customer organization, exposure to real-world production systems, and a deep dive into compiler behavior, runtime debugging, and performance optimization.

One of the available positions includes work on optimizing ONNX Runtime for a UNIX-based environment, offering hands-on experience at the intersection of compilers, performance engineering, and AI acceleration frameworks.

Responsibilities

  • Port and adapt large-scale system/database code from a legacy compiler toolchain to a modern LLVM-based toolchain on a UNIX platform.
  • Investigate and resolve complex compile-time and runtime issues to ensure production-grade stability.
  • Analyze application runtime behavior to identify performance bottlenecks and collaborate with customer engineering teams to implement optimizations.
  • For ONNX-related roles, Enhance ONNX Runtime execution performance on UNIX systems using techniques such as:
  • Compiler and code-generation tuning
  • Vectorization
  • Multi-threading/parallelization
  • Custom ops
  • Numerical optimization
  • Required Skills
  • Strong C programming experience, ideally using compilers such as GCC, Clang/LLVM, AOCC, or similar toolchains.
  • Deep expertise in system programming on UNIX/Linux (memory management, threading, IPC, process control, performance tuning).
  • Exceptional debugging and root-cause analysis skills, with or without a debugger.

Preferred Skills

  • Hands-on experience with GDB or similar debugging tools.
  • Familiarity with compiler internals or contributions to compiler/open-source toolchain projects.
  • Experience with LLVM, or understanding of compiler optimization pipelines.
  • Exposure to C++, Java, JDK/JVM internals.
  • Performance analysis experience using tools such as:
  • Valgrind
  • Perf
  • PMU tools
  • Pipestat
  • Nmon
  • Experience with distributed/parallel applications.
  • Background in ONNX Runtime, numerical algorithms, or performance-critical AI workloads.

Job Type: Full-time

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