Senior HP Non-Stop Developer

Job Title: Senior HP Non-Stop Developer
Location: Philadelphia, PA
Duration: 12 Months

Essential Functions:
Design, develop, and maintain fault-tolerant applications on HPE NonStop systems using TAL, C, or C++
Build and support mission-critical software for real-time train control, dispatching, and crew scheduling
Develop and optimize database solutions using NonStop SQL/MX and SQL/MP
Integrate applications with Enscribe file systems and Pathway server classes
Analyze system performance and implement improvements to enhance throughput and responsiveness
Troubleshoot and resolve production issues to ensure continuous system availability
Participate in structured change management, including software upgrades and patch deployments
Create and maintain technical documentation aligned with regulatory and operational standards
Implement secure coding practices and support audit-readiness for transportation compliance
Estimate development tasks, manage dependencies, and contribute to release planning
Collaborate with QA, operations, and infrastructure teams to deliver scalable, reliable solutions
Communicate effectively with technical and non-technical stakeholders across departments
Support modernization efforts through hybrid integration models (e.g., REST APIs, NSHTTP, iTP WebServer)

Deliverables:
24x7 system availability
Source code and compiled executables for HPE NonStop applications
TACL automation scripts for operational tasks
Technical design and architecture documentation
Deployment guides and configuration manuals
Release notes, version histories, and rollback procedures
Unit, integration, and performance test cases
Issue resolution reports and root cause analyses
Performance monitoring, reporting, analysis and tuning
Support for escalated incidents (Severity 1, 2 ) and root cause analysis

Requirements:
Bachelor s degree in computer science, Software Engineering, or related field (required) Minimum 7 years of hands-on development experience on HPE NonStop (Tandem) platforms
Expertise in application development on HPE NonStop systems using TAL, C, or C++ to build and maintain high-performance, fault-tolerant solutions in 24/7 environments
Experience in developing mission-critical applications for regulated or service-oriented industries with real-time requirements
Expertise in NonStop SQL/MX and SQL/MP databases, including schema design, query optimization, and ANSI-compliant SQL development
Familiarity with Enscribe file structures and integration with Pathway server-based applications
Proficiency in system performance analysis, with the ability to identify bottlenecks and improve transaction throughput and responsiveness
Expertise in incident response and troubleshooting, ensuring rapid resolution of production issues to maintain uptime and continuity
Familiarity with structured change management practices, including software release planning, patch deployment, and rollback strategies
Proficiency in creating and maintaining technical documentation, ensuring alignment with internal development standards and regulatory compliance
Expertise in secure development practices, with awareness of audit, data protection, and industry-specific security requirements
Familiarity with release management workflows, including accurate task estimation, dependency tracking, and resource allocation
Proficiency in cross-functional collaboration, working closely with QA, operations, and development teams to deliver secure, scalable solutions
Demonstrated ability to communicate effectively, both verbally and in writing, across technical and non-technical stakeholders

Preferred:
HPE Nonstop technical certification
10 years of hands-on development experience on HPE NonStop (Tandem) platforms
Experience in mission-critical transportation, logistics, or dispatching systems
Exposure to hybrid integration models (e.g., Non-Stop to REST API architectures, iTPWebServer, NSHTTP)
Prior experience working in environments governed by strict SLAs and regulatory standards



About IDEXCEL, INC
Idexcel is an IT services organization, with a mission to bring great people and great organizations together. Our diverse client base represents a wide range of industries, including technology, telecom, insurance, healthcare, manufacturing, banking & financial services, food & commodities trading and federal organizations. Our teams of experienced recruiters directly work with client companies seeking exceptional people to help with their business initiatives. Idexcel, Inc. is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law