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

📌 Senior Application Developer - Experteer Italy (Cusano Milanino)
🏢 Experteer Italy
📍 Cusano Milanino