Overview Experteer Overview
As a Senior Application Developer for a strategic Milan client, you provide development and production support to ensure stable, secure services and quick incident resolution. You act as a technical point of contact, coordinating with client stakeholders and internal teams to maintain continuity and meet service SLAs. You will handle production issues, RCA, and continuous improvements in a fast-paced, payment-focused environment. This role offers scale and direct impact on a key revenue stream within a global fintech leader.
Benefits Provide development and production support for Numia-owned systems and integrations
Serve as first-line advisor for incidents during Italian business hours with optional out-of-hours coverage
Diagnose and resolve defects, performance and integration issues
Conduct root cause analysis and implement corrective actions
Collaborate with Numia stakeholders, internal dev teams, and infrastructure partners
Assist deployments, patches, and minor enhancements to ensure platform stability
Manage incidents and changes per SLAs and governance; maintain technical docs and incident records
Contribute to continuous improvement of support processes and application resilience
Responsibilities Strong knowledge of credit/debit card lifecycle, transactions, authorisations, clearing, settlement, and billing
Hands-on mainframe experience with CICS and DB2
Ability to troubleshoot with mainframe tools including Eazytrieve
Experience with API-based integrations between distributed systems and mainframe apps
Proven production support, incident triage, RCA, and escalation in 24/7 environments
Experience with client-facing payment systems and time-critical incidents
Fluent Italian and English (spoken and written)
Willingness to participate in out-of-hours support as part of a rota
Requisiti fondamentali Strong knowledge of credit/debit card lifecycle, transactions, authorisations, clearing, settlement, and billing
Hands-on mainframe experience with CICS and DB2
Ability to troubleshoot with mainframe tools including Eazytrieve
Experience with API-based integrations between distributed systems and mainframe apps
Proven production support, incident triage, RCA, and escalation in 24/7 environments
Experience with client-facing payment systems and time-critical incidents
Fluent Italian and English (spoken and written)
Willingness to participate in out-of-hours support as part of a rota
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