MQ Exit developer - C programming

Job Description

• We are seeking a highly skilled MQ Exit Developer with strong expertise in C programming to maintain and enhance custom IBM MQ exits that extend the enterprise messaging platform.
• This role focuses on advanced IBM MQ capabilities, including Security Exits, API Exits, and Message Exits, supporting authentication, authorization, message transformation, and observability requirements across distributed and hybrid environments.
• The ideal candidate will possess deep experience in low-level C development, a strong understanding of IBM MQ internals, and the ability to deliver thread-safe, high-performance solutions aligned with enterprise security and operational standards.

Key Responsibilities

1. MQ Exit Development & Maintenance

• Maintain and support existing IBM MQ Channel Exits, API Exits, and Message Exits using C.
• Develop, enhance, and troubleshoot custom MQ exit implementations.
• Ensure all MQ exits are thread-safe and optimized for high-performance, multi-threaded MQ environments.
• Integrate MQ exit logic with external systems such as LDAP, REST APIs, and enterprise security services.
• Perform code reviews and implement best practices for reliability, scalability, and maintainability.

1. Operational Support & Modernization

• Provide L3 production support for MQ exit-related issues and incidents.
• Collaborate with platform, middleware, and application teams to:
• Reduce dependency on custom exits by leveraging native IBM MQ features where appropriate.
• Simplify, streamline, and modernize legacy exit implementations.
• Support MQ platform upgrades and migration initiatives.
• Analyze performance bottlenecks and recommend optimization strategies.

1. Documentation & Governance

• Maintain detailed technical design documents, operational runbooks, and support procedures.
• Ensure adherence to coding standards, security guidelines, and enterprise governance requirements.
• Manage the complete lifecycle of MQ exit code, including version control, deployment, testing, and rollback procedures.
• Support audit, compliance, and change management activities.

Required Skills

• Strong programming experience in C/C++.
• Deep understanding of IBM MQ architecture and internals.
• Hands-on experience with:
• MQ Channel Exits
• MQ Security Exits
• MQ API Exits
• MQ Message Exits
• Experience in multi-threaded application development and thread-safe coding practices.
• Knowledge of enterprise authentication and authorization mechanisms.
• Experience integrating with LDAP, REST APIs, and external services.
• Strong troubleshooting and debugging skills in Unix/Linux environments.
• Understanding of software development lifecycle (SDLC), source control, and deployment processes.

Preferred Skills

• Experience with IBM MQ administration and middleware platforms.
• Knowledge of message security, encryption, and compliance requirements.
• Exposure to cloud and hybrid infrastructure environments.
• Experience supporting large-scale enterprise messaging platforms.
• Familiarity with DevOps, CI/CD pipelines, and automation practices.

Experience Required

• 8+ years of software development experience.
• 5+ years of hands-on IBM MQ development and customization experience.

Proven experience developing and supporting custom MQ exits in enterprise environments.