AIX Developer

About the Role

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.

Your Role And Responsibilities

• Design, develop, debug, test, and maintain high-performance TXSeries runtime and transaction-processing components.
• Take ownership of assigned features and components from requirements analysis through implementation, testing, and delivery.
• Develop reliable, scalable, and efficient systems software to support enterprise-class workloads.
• Independently analyze and resolve moderately complex technical problems and production issues.
• Evaluate technical alternatives and recommend optimal solutions based on business and product requirements.
• Contribute to product enhancements, engineering improvements, and overall software quality initiatives.
• Collaborate effectively with cross-functional teams, including development, test, support, and product management.
• Participate in code reviews, design discussions, and technical decision-making.
• Share technical expertise and best practices with the team and mentor less-experienced developers.
• Drive continuous improvement in product performance, maintainability, and reliability.

Requirements & Tech Stack

• C/C++ Systems Programming: Strong proficiency in C/C++ for developing high-performance backend and runtime components. Experience with low-level systems programming, memory management, and performance optimization.
• Unix/Socket Programming: Hands-on experience with network programming, inter-process communication, and client-server architectures.
• Debugging and Problem Determination: Strong troubleshooting skills with experience using dbx and other debugging tools on AIX environments. Ability to analyze core dumps, memory issues, and runtime failures.

Preferred Technical And Professional Experience

• Database and Messaging Concepts: Understanding of relational databases (DB2 and Oracle), transaction management, and message-oriented middleware (MQ).
• Distributed Transaction Processing: Knowledge of XA-compliant transaction processing and Two-Phase Commit (2PC) protocols. Understanding of transaction coordination between databases and messaging systems.
• SNA Communication Server: Familiarity with IBM SNA CommServer concepts and legacy enterprise connectivity protocols.
• COBOL Programming: Basic knowledge of COBOL application development and debugging to support customer workloads and runtime integration.

Education

Preferred Education: Master's Degree