Software Engineer

Optimum Solutions • IT Consulting & Digital Transformation • IT Resellers & VARs • On-call duty • SQL • 2 days ago
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Salary
$38k – $66k per year (gross)
Location
In office (Singapore)
Seniority
Middle · 3+ years exp
Employment
Full-Time

First seen by Alion on Sep 25, 2026.

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Optimum Solutions

Optimum Solutions is an IT services and outsourcing company headquartered in Singapore that provides software engineering, application development and maintenance, data and analytics, cloud and infrastructure, testing and global capability centre services. Founded in 1997, it reports more than 4,000 employees across offices and delivery centres in nine countries, including India and China, and supplies contract IT staff to banks and global technology clients. Its Singapore listings cover Java and .NET developers, DevOps and GenAI engineers, business analysts, scrum masters, UX designers, compliance associates and contract privacy support and AI video roles.
theoptimum.net • HQ: Singapore • IT Resellers & VARs • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1997

Role Overview

We are seeking a Production Support Analyst to manage the stability, maintenance, and defect remediation of our enterprise payment and core banking applications. You will deliver L2/L3 production support, perform root cause analysis (RCA), and support end-to-end testing and production releases in a high-availability environment.

Key Responsibilities

  • Perform structured root cause analysis on application defects, provide technical remediation, and assist L2 teams with incident recovery and escalations.
  • Conduct code debugging, minor fixes, and support testing across SIT, UAT, and production deployments during scheduled maintenance windows.
  • Proactively identify performance bottlenecks to enhance application throughput, stability, and high-volume transaction processing.
  • Comply with SDM policies, perform risk and impact assessments for all deployments, and maintain accurate technical documentation.
  • Communicate incident status, root cause findings, and release notes clearly to business users, internal support units, and external vendors.

Requirements

  • Bachelor's degree in Computer Science or equivalent
  • 3 or more years of production support
  • Demonstrated hands-on proficiency in the IBM AS400 / iSeries environment.
  • Strong programming and query skills in RPG/LE, CL/LE, COBOL400, SQL, and Query400.
  • Experience with change management and version control tools (e.g., ALDON, IBM RDi).
  • Practical experience with monitoring and scheduling tools (e.g., Control-M, Splunk, BMC Helix).

Domain Knowledge:

  • Exposure to banking payments and settlement workflows, including SWIFT messaging (MT/MX, ISO 20022), cross-border remittances, or regional clearing networks (e.g., MEPS+, RTGS, FAST, RENTAS, CNAPS).

Professional Attributes:

  • Strong troubleshooting and analytical capabilities.
  • Ability to participate in scheduled on-call rotation or weekend maintenance windows as operationally required.

Skills

software release notes, UAT, Technical Assistance, CL, Team Facilitation, Stability, IBM AS/400, Computer Science, Minor Repairs, Production Support, SQL, Change Management Tools, Scheduling Tools, application performance, Test and Support, Programming

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