Senior Client Non-Stop Developer

Role: SENIOR CLIENT NON-STOP DEVELOPER

Location: Philadelphia PA - Hybrid once a month

Visa : All

Position Overview:

We are seeking a Senior Client Non-Stop Developer to lead the design development and enhancement of mission-critical applications on HPE Non-Stop systems. This role supports real-time train control and dispatching systems ensuring high availability fault tolerance and regulatory compliance.

The ideal candidate will bring deep expertise in Non-Stop development performance tuning and secure coding practices and will collaborate across teams to deliver scalable reliable solutions for a 24/7 operational environment.

Key Responsibilities:

• Design and develop fault-tolerant applications using TAL C or C on HPE Non-Stop platforms.
• Build and support real-time train control and dispatching software.
• Develop and optimize database solutions using NonStop SQL/MX and SQL/MP.
• Integrate applications with Enscribe file systems and Pathway server classes.
• Analyze and improve system performance and responsiveness.
• Troubleshoot and resolve production issues to ensure continuous availability.
• Participate in structured change management and release planning.
• Create and maintain technical documentation and deployment guides.
• Implement secure coding practices and support audit-readiness.
• Collaborate with QA operations and infrastructure teams.
• Support modernization efforts through hybrid integration models (REST APIs NSHTTP iTP WebServer).

Deliverables:

• 24x7 system availability and support
• Source code executables and automation scripts
• Technical design documents and deployment manuals
• Release notes and rollback procedures
• Test cases and performance reports
• Root cause analyses for escalated incidents

Required Qualifications:

• Bachelors degree in Computer Science Software Engineering or related field
• 7 years of hands-on development experience on HPE NonStop (Tandem) platforms
• Proficiency in TAL C or C for high-performance fault-tolerant systems
• Expertise in NonStop SQL/MX and SQL/MP
• Experience with Enscribe file structures and Pathway server integration
• Strong skills in performance tuning and incident resolution
• Familiarity with structured change management and secure development practices
• Excellent communication and cross-functional collaboration skills

Preferred Qualifications:

• HPE NonStop technical certification
• 10 years of NonStop development experience
• Experience in transportation logistics or dispatching systems
• Exposure to hybrid integration models (REST APIs iTPWebServer NSHTTP)
• Experience working under strict SLAs and regulatory standards