AIX Developer

International Business Machines Corporation; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

IBM India Private Limited in Bengaluru seeks a skilled C/C++ Systems Programmer to design, develop, and maintain high-performance TXSeries runtime components for enterprise workloads. You will own features end-to-end, diagnose complex production issues, and collaborate with cross-functional teams to ensure reliability and performance.

The role emphasizes low-level systems programming, memory management, debugging on AIX, and experience with databases and messaging concepts, with opportunities to

Qualifications

• Strong proficiency in C/C++ for high-performance backend and runtime components.
• Experience with low-level systems programming, memory management, and performance optimization.
• Hands-on experience with network programming and IPC.
• Experience debugging on AIX environments and with dbx.

Responsibilities

• Design, develop, debug, test, and maintain high-performance TXSeries runtime and transaction-processing components.
• Own features from requirements through delivery, ensuring reliability and scalability.
• Collaborate with cross-functional teams and participate in code reviews and design discussions.
• Mentor less-experienced developers and drive product quality improvements.
• Contribute to engineering improvements and maintainability of the software.

Skills

C/C++

Unix/Socket Programming

Debugging

Memory Management

Performance Optimization

Distributed Transaction Processing

Two-Phase Commit (2PC)

Inter-process Communication

Network Programming

Tools

dbx

AIX

Job description

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.

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.

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.

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

India Infrastructure & Technology Hybrid Professional Bangalore, IN Bangalore (0063) IBM India Private Limited C++ Common Business-oriented Language Communication Databases Debugging IBM Advanced Interactive Executive IBM Database 2 Integration Management Messaging Optimization Computer Programming Business Transaction Processing Troubleshooting Unix Application Development Oracle Relational Databases Inter-process Communication SWIFTNet Accord Debugging Tools Distributed Transaction Memory Management Socket Programming Message-Oriented Middleware Network Programming