AIX Developer (Compiler)
IBM · Posted Nov 4
Hybrid cloud, artificial intelligence, enterprise software, quantum computing, and IT consulting services
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About the role
IBM Infrastructure & Technology designs and operates systems including high-resiliency mainframes, hybrid cloud platforms, networking, automation, and site reliability, ensuring performance, security, and scalability for clients. The team tackles complex challenges with diverse technologies. This role involves designing and developing compiler backend technologies, translating intermediate representations into machine code, and working with C/C++ and PowerPC/AIX internals.
What you will do
- At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high-resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability.
- Our teams ensure the performance, security, and scalability that clients and industries depend on every day.
- Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration.
- You'll work with diverse technologies and colleagues worldwide to deliver resilient, future-ready solutions that power innovation.
- With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress.
- We are looking for a skilled Software Developer to contribute to the design and development of compiler backend technologies.
- The role requires strong C/C++ systems programming skills and hands-on understanding of compiler backend concepts such as instruction selection, register allocation, code scheduling, intermediate representations, control flow, and data flow analysis.
- Candidate will work on translating compiler intermediate representations into correct and efficient machine code, contributing to the design, implementation, testing, and debugging of backend components.
- The role requires the ability to understand complex technical problems, develop well-structured solutions, and work independently while collaborating closely with other compiler and runtime developers.
- Experience with PowerPC and AIX platform internals is highly valuable.
- Compiler back-end construction — instruction selection, register allocation (linear scan or graph coloring), code scheduling
- Intermediate representation (IR) design — SSA form, control flow graphs, data flow analysis
- C/C++ systems programming — the backend will be implemented in C/C+
- PowerPC instruction set architecture — deep familiarity with PowerPC assembly, instruction encoding, and performance characteristics
- AIX ABI / calling conventions — register usage, parameter passing, stack frame layout, TOC (Table of Contents) handling, function descriptors
- AIX system programming — dynamic linking, object file format (XCOFF), debugger support
Skills used in this role
Benefits and support
- Compensation and benefits are detailed in the job posting
About IBM
International Business Machines Corporation (IBM) is a global technology and consulting company that provides hybrid cloud, artificial intelligence, and enterprise infrastructure solutions. Operating in over 175 countries, IBM helps businesses across industries modernize operations, secure data, and drive digital transformation through platforms like watsonx and Red Hat OpenShift. Founded over a century ago, the company remains a pioneer in high-performance computing, enterprise automation, and quantum technology.
- Industry
- Information Technology
- Company size
- 260,000+ employees
- Founded
- June 16, 1911
- Location
- Armonk, New York, USA
- Funding stage
- Public Company
Funding
Public Company · $3.5B raised
- ·Post Ipo Debt$150M
Leadership
Chairman, President and Chief Executive Officer
Senior Vice President and Chief Financial Officer
Senior Vice President, Software and Chief Commercial Officer
Senior Vice President, IBM Consulting
Senior Vice President, Marketing and Communications
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