Job Description

Job Title: Payments Architect - HPE Nonstop

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We are seeking a highly skilled Payments Architect with strong expertise on the HPE Nonstop (Tandem) platform and deep functional knowledge of real-time transaction processing in the financial sector. The architect will design and manage fault-tolerant, high-performance payment systems that operate 24/7, ensuring reliability, scalability, and compliance for mission-critical payment environments.

Key Responsibilities:

Architect, design, and optimize high-availability payment systems on the HPE Nonstop platform. Create high-level and low-level designs (HLD/LLD) for payment modules, transaction flows, and switch architecture. Lead end-to-end solution design for authorization, switching, settlement, and reconciliation. Work extensively with Nonstop components such as Guardian OS, Pathway, TMF, SQL/MP, SQL/MX, Enscribe, and process-pair-based fault-tolerant designs. Integrate with external payment networks including Visa, Mastercard, AMEX, and host banking systems. Ensure security compliance with PCI-DSS, encryption, tokenization, and HSM key management practices. Analyze system performance, conduct capacity planning, and guide optimization for high TPS Environments. Work closely with development, QA, support, and infrastructure teams to ensure system stability and Quality. Troubleshoot complex production issues involving transaction failures, network integration, or performance bottlenecks. Drive modernization initiatives, including API integration and migration of legacy Nonstop modules to modern architecture. Provide technical leadership, mentoring, and guidance to Nonstop development teams.

Required Skills:

8+ years of relevant experience in application management or software architecture, with significant hands-on experience on the HPE Nonstop platform. Strong knowledge of ISO 8583 message formats and end-to-end transaction flows (issuing/acquiring). Expertise with TMF, Pathway, Expand, Guardian OS, SQL/MP, SQL/MX, EMS, and inter-process communication. Experience designing or maintaining ATM/POS/ECOM switching systems or other high-transaction financial systems. Strong understanding of fault tolerance, load balancing, and process-pair architecture. Exposure to cryptography, HSM integration, key management, and PCI-DSS. Ability to create clear technical documentation, architecture diagrams, and specifications. Excellent analytical, debugging, and problem-solving skills.

Qualifications:

BE / B.Tech / MCA or equivalent degree in Computer Science or related field.

Job Type:

Full-time, Work from Office Locations: Pune / Nashik 5 days working (Monday to Friday)
Job Types: Full-time, Permanent

Benefits:

Health insurance Provident Fund
Work Location: In person