Senior Apps Support Tech Lead — 24/7 Banking Platform

Citigroup Inc.; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

Citigroup Inc. is seeking an Apps Sup Tech Lead Analyst in Singapore to guide, influence, and implement strategic technology solutions across our production platforms.

The role partners with multiple tech teams to ensure seamless integration, defines system enhancements, and leads high-impact improvements while maintaining 24/7 service availability. Strong leadership, communication, and problem-solving skills are essential for success in a fast-paced, financial-services environment.

Qualifications

• 10–15 years of progressive experience in Leading highly scalable Production platform.
• Strong knowledge and working experience in the Corporate Banking domain, including critical payment flows and transaction processing.
• Demonstrated leadership experience in high-availability, large-scale financial environments.
• Proven ability to lead cross-functional teams and drive operational excellence.

Responsibilities

• Partner with multiple technology teams to ensure integration of functions and define system enhancements.
• Provides expertise in area and an advanced level of understanding of apps support.
• Formulates and defines systems scope and objectives for complex, high impact enhancements and problem resolution.
• Leads L2 Production Support for mission-critical applications, ensuring 24/7 service availability.
• Drive incident management, real-time coordination, rapid triage and timely restoration.
• Perform deep root cause analysis and implement long-term preventive solutions.
• Build partnerships with engineering, architecture, infrastructure, and business teams.
• Foster a service-oriented culture in a high-pressure environment.

Skills

Leadership

Incident management

Communication

Problem solving

Education

Bachelor’s/University degree

Tools

Unix/Linux

Scripting (Python/Shell)

Databases (Oracle, MongoDB)

Kafka / TIBCO EMS

Observability tools (Grafana, Prometheus, ELK)

Cloud & Containers (GCP, Kubernetes, OpenShift, ECS)

Job description

Citigroup Inc. is seeking an Apps Sup Tech Lead Analyst in Singapore to guide, influence, and implement strategic technology solutions across our production platforms.

The role partners with multiple tech teams to ensure seamless integration, defines system enhancements, and leads high-impact improvements while maintaining 24/7 service availability. Strong leadership, communication, and problem-solving skills are essential for success in a fast-paced, financial-services environment.