Software Engineer – Core Banking (Production Support & Maintenance)

Optimum Solutions • Financial Services • Financial Software & Embedded Finance • COBOL • 3 days ago

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Salary

$38k – $66k per year (gross)

Location

In office (Singapore)

Seniority

Senior · 5+ years exp

Employment

Full-Time

First seen by Alion on Sep 30, 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

Company Overview

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD is a Singapore-headquartered IT outsourcing firm specializing in software engineering, application development, and IT infrastructure management. Established in 1997, it is a leading provider of digital transformation services in Singapore.

Job Summary

Join our client delivery team as a Software Engineer embedded in a major regional bank. You will ensure software reliability, troubleshoot complex incidents, optimize application performance, and collaborate with cross-functional teams to enhance monitoring systems.

Responsibilities

Troubleshoot Level 2 technical issues by analyzing root causes of complex software incidents and resolving code and environment-level tickets to maintain system stability
Execute hands-on technical support during End-of-Day (EOD) batch runs by applying fixes and performance improvements
Collaborate with service automation and Level 3 engineering teams to develop and implement advanced application monitoring tools, dashboards, and automated alerts
Coordinate with incident managers, infrastructure teams, and database administrators to drive rapid resolution of major operational incidents and support upcoming change implementations

Required competencies and certifications

Bachelor’s Degree in Computer Science, Computer Engineering, or a related technical discipline
Minimum 5 years of professional IT experience in software engineering, technical solution delivery, or application support within banking and financial services
Proficient in OS/400 (IBM i) systems architecture
Skilled in programming languages RPG and COBOL
Knowledge of SDLC and ITIL frameworks

Preferred competencies and qualifications

Experience or exposure to core banking platforms such as Silverlake
Familiarity with enterprise middleware/utilities including MQ, Connect Direct, and Control-M
Experience with monitoring and log analytics tools such as Splunk, Geneos, Grafana, ElasticSearch, and Ansible
Strong analytical and problem-solving skills with effective written and verbal communication in English
Ability to adapt to fast-paced environments and provide occasional support during wee hours or weekends

Skills

Control M, COBOL, ITIL Process, Splunk, Core Banking, RPG, AS400 system, IBM iSeries, Control M Enterprise, Production Support, Service Level Management, IBM RPG, RPG III, Ansible, Grafana, Connect Direct, Incident Management

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