Application Support Engineer(banking system)

Unity Small Finance Bank; Navi Mumbai; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Unity Small Finance Bank is seeking a Senior Application Support Engineer to help maintain fintech and banking systems in real time. The role involves supporting mission-critical payment and onboarding processes while ensuring regulatory compliance and operational stability.

The ideal candidate will have hands-on experience with API integrations for verification, KYC/AML, and real-time payment workflows, with a strong focus on PCI DSS security and multi-vendor platforms.

Qualifications

• Hands-on experience supporting API integrations for verification and onboarding services.
• Familiarity with KYC/AML compliance in banking.
• Understanding of RBI and NPCI regulatory guidelines.
• Knowledge of card issuing and payment processing workflows.
• Experience with real-time payment processing systems.
• Familiarity with PCI DSS compliance and security standards.
• Experience with multi-vendor payment platform integrations.
• Knowledge of financial data formats and reporting standards.
• Familiarity with core banking system integrations.

Responsibilities

• Provide L3 production support for fintech and banking applications.
• Troubleshoot incidents following SOPs and SLAs.
• Perform root cause analysis and identify recurring issues.
• Escalate to engineering or vendors when required.
• Support real-time payment processing systems including UPI PSP/TSP.
• Deeply troubleshoot UPI specifications and NPCI error codes.
• Support payment gateway and multi-vendor platform integrations.
• Support card issuing and payment processing workflows.
• Handle transaction processing, settlement and reconciliation.
• Support KYC/AML, RBI, NPCI, PCI DSS compliance requirements.
• Monitor systems using Grafana and Kibana and perform log analysis.

Skills

API integrations

KYC/AML

RBI/NPCI guidelines

Card issuing workflows

Payment processing

Card program management

Security & PCI DSS

Multi-vendor integrations

Financial data formats

Core banking integrations

Job description

Role Overview

We are seeking a highly skilled Senior Application Support Engineer with strong experience in fintech and banking systems, including UPI, card issuing, payment gateways, and real-time transaction platforms. The role involves supporting mission-critical payment and onboarding systems while ensuring regulatory compliance and operational stability.

Key Responsibilities

• Provide L3 production support for fintech and banking applications
• Troubleshoot incidents and resolve issues as per defined SOPs and SLAs
• Perform root cause analysis (RCA) and identify recurring issues
• Ensure timely escalation to engineering or vendor teams when required
• Support real-time payment processing systems including UPI PSP/TSP implementations
• Deep troubleshooting of UPI technical specifications and NPCI error codes
• Support payment gateway and multi-vendor payment platform integrations
• Support card issuing and payment processing workflows
• Handle transaction processing, settlement, and reconciliation
• Support KYC/AML, RBI, NPCI, and PCI DSS compliance requirements
• Monitor systems using Grafana and Kibana and perform log analysis

Required Skills & Experience

• Hands‑on experience supporting API integrations for verification and onboarding services
• Familiarity with KYC/AML compliance in the banking sector
• Understanding of Indian regulatory requirements (RBI and NPCI guidelines)
• Knowledge of card issuing and payment processing workflows
• Support knowledge of card program management systems
• Experience with real-time payment processing systems
• Familiarity with payment security and fraud prevention mechanisms
• Experience with multi‑vendor payment platform integrations
• Familiarity with PCI DSS compliance and security standardsKnowledge of financial data formats and reporting standards
• Familiarity with core banking system integrations