Senior Application Support Engineer (Real-Time Payments)

ARGYLL SCOTT CONSULTING PTE. LTD.Singaporemycareersfuturepublished 09/30/2026
Must-have:RubyMicroservicesFinTechSeniorLead

This is 12 months contract role with a potential to extend

We are looking for a Senior Application Support Engineer to provide L2 production support for Real-Time Payments applications within the Corporate/Global Banking environment.

The role focuses on production incident management, problem management, root cause analysis, service stability and operational excellence across a high-availability, transaction-driven payments environment. This is a senior individual contributor role with deep technical and operational ownership and no direct people management responsibilities.

Key Responsibilities

  • Provide L2 production support for Real-Time Payments applications within the Corporate Banking domain.
  • Identify, troubleshoot and resolve production incidents , including high-severity and critical incidents in a 24x7 environment.
  • Lead problem and known-error management , including root cause analysis, mitigation and tracking of permanent resolutions.
  • Manage incident and problem tickets through ServiceNow / enterprise ITSM tools .
  • Perform application health checks, monitoring and automation of BAU activities to maintain system stability.
  • Coordinate workload and operational activities with global support teams across regions.
  • Own production incident management, problem management and service governance activities.
  • Support regulatory, compliance and audit-related assessments and requests.
  • Coordinate server OS and vulnerability patching , including identifying appropriate outage windows for 24x7 active-passive applications.
  • Act as a senior escalation point and SME for complex production issues and cross-functional incidents.
  • Provide technical guidance and thought leadership without direct people management responsibility.
  • Ensure timely restoration of services while maintaining clear communication with stakeholders, partners and impacted teams.

Technical Skills & Experience

  • 10+ years of relevant IT experience in Production Support, Application Support, Release Support, ITIL, Technical Implementation or similar roles.
  • Strong experience supporting high-availability, transaction-driven applications , preferably within Payments, Banking or Payment Orchestration environments.
  • Proven experience managing real-time production incidents and high-severity outages in a 24x7 environment.
  • Strong hands-on experience with some/all of: JDBCXML / JSONRabbitMQ / MQMicroservicesMuleSoft
  • Strong Unix/Linux and Windows operating system knowledge with scripting capabilities.
  • Strong database troubleshooting skills, with experience in Oracle, DB2 and/or PL/SQL .
  • Hands-on experience with L1/L2/L3 production support environments.
  • Experience using multiple monitoring and scheduling tools.
  • Strong troubleshooting, analytical and research skills, with the ability to perform advanced queries and technical analysis to resolve production issues.
  • Experience conducting Root Cause Analysis (RCA) and identifying mitigation, risk and permanent remediation actions.
  • Strong understanding of application/infrastructure dependencies and real-time service restoration.

Payments Domain Experience

  • Experience supporting Payments and Settlement systems .
  • Knowledge of APAC payment rails such as: RTGS Real-Time PaymentsDomestic PaymentsGlobal/Cross-Border Payments
  • Understanding of payment processing, settlement flows and regulatory cut-off timelines.
  • Exposure to Sanctions screening and payment compliance processes is advantageous.
  • Finacle product knowledge is highly preferred.
  • Experience with payment warehouses or payment orchestration platforms is an added advantage.

Service & Operational Excellence

  • End-to-end exposure to Production Shared Services , including service analytics, monitoring governance, capacity and availability management.
  • Experience working with global teams to maintain stable, resilient production environments.
  • Strong understanding of ITIL, incident management, problem management and service governance .
  • Demonstrated ability to operate effectively under pressure during critical production incidents.
  • Strong stakeholder communication skills, particularly during major incidents and service restoration.

Working Model

  • This role operates within a 24x7 production support environment , including shift work, weekends and public holidays .
  • Senior individual contributor role with significant technical ownership and responsibility for production stability.