Software Engineer – Core Banking (Production Support & Maintenance)

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