The posting
Key Responsibilities
· Perform end-to-end application development across the frontend, backend, integration, database/data and reporting layers, where applicable.
· Participate in product squad sync-ups, backlog refinement, planning, progress reviews and technical discussions for assigned CRs/enhancements.
· Participate in requirement refinement, impact assessment and technical solutioning with the Product Owner/Product Lead, Tech Lead and relevant stakeholders.
· Develop, configure, unit test and integrate application changes in accordance with approved requirements, technical designs and engineering standards.
· Develop and maintain application components, APIs/interfaces, database scripts, batch jobs and reports, where applicable.
· Perform unit and integration testing and support System Integration Testing (SIT), User Acceptance Testing (UAT), regression testing and other applicable testing activities.
· Investigate, troubleshoot and resolve defects identified during development and testing
· Support cybersecurity assessments, vulnerability remediation, security testing and closure of technical findings associated with the CRs/enhancements.
· Support build, release and deployment activities, including preparation of deployment procedures/scripts, release verification, rollback procedures where applicable and post-deployment validation.
· Support investigation and resolution of production issues relating to delivered CRs/enhancements.
· Develop automated tests and improve engineering and testing practices where appropriate.
· Maintain relevant technical documentation and artefacts, including technical designs, database/interface changes, configuration changes, source code documentation, build/deployment procedures and implementation records.
· Contribute to system knowledge building and knowledge sharing within the product squad.
· Work with architecture, platform, infrastructure, database, integration and cybersecurity teams to resolve technical dependencies and issues.
· Support knowledge transfer and handover of completed CRs/enhancements to the relevant maintenance/O&S team, where required.
· Be willing and able to acquire additional technical competencies required to support CRs/enhancement across OASIS application landscape.
· Understand and maintain knowledge of the applications’ architecture, components, interfaces, data flows, batch jobs and technical dependencies. ▪️ Work with the Tech Lead to perform technical solutioning and translate prioritised product backlog items, change requests and enhancements into implementable technical designs.
· Work with the Tech Lead to establish and apply appropriate engineering standards, coding practices, design patterns and development practices.
· Work with the Tech Lead to review technical designs, source code, database and integration changes, and ensure that the implemented solutions meet the required quality, security, performance and maintainability standards.
· Work with the Tech Lead to assess the technical impact of CRs/enhancements, including impacts to upstream/downstream systems, interfaces, databases, batch jobs, infrastructure and other technical dependencies.
· Assist Tech Lead to guide Associate Full Stack Developers in application development and resolution of complex technical issues.
· Lead the investigation and resolution of complex application defects and technical issues arising during development, testing, deployment and post-deployment.
· Work with the Tech Lead to identify and address technical debt, vulnerabilities, performance issues and technology lifecycle/EOSL considerations.
· Support release and deployment planning, including identification of technical dependencies, deployment sequencing, rollback requirements and post-deployment verification.
· Build, document and share application and system knowledge across the product squad together with the Tech Lead.
· Contribute to continuous improvement of engineering practices, including development, automated testing, code quality, CI/CD and deployment processes, where applicable.
Qualifications
· At least Five (5) years of relevant experience in application development and implementation of change requests and/or enhancements for the projects.
· Possess the below relevant technical skillsets and hands-on experience in the core application development required to undertake OASIS CRs and enhancements:
Application Development
· Java
· XML
· JSP
· HTML
· CSS
· JavaScript
· JEE
· Spring / Spring Boot
· Angular
· STRUTS
· Hibernate
· iBatis
· Enterprise Technical Architecture
· Object-Oriented Analysis and Design (OOAD)
· JEE/J2EE design patterns
Database and Data
· Oracle Database
· Oracle SQL
· Oracle PL/SQL
· Oracle SQL Developer
· Database design and data modelling
Development, Build and Engineering Tools
· Git
· Ant
· Eclipse 3.3 and above
· Jtest
· Log4j
· Shell scripting
· Cron jobs
· Microsoft Edge
· Application/interface integration
· Build and deployment
· Defect investigation and troubleshooting
Preferred Experience (not mandatory)
o Reporting and Dashboard Technologies
§ ETL design and development using Talend Data Management Platform 8.0.1
§ Crystal Reports
§ Weblogic
§ INET Crystal Clear 23 and above
§ Apache POI
§ JFreeChart
· Where assigned CRs/enhancements involve Dashboard/Reporting components, the engineers shall be expected to progressively acquire the necessary knowledge and competency to develop, test, troubleshoot and support changes involving these technologies.
· LDAP, Directory and Authentication Technologies
· LDAP Schema Management
· Directory Tree Design
· Oracle OUD LDAP Server
· WAM (SiteMinder) Version 12 and above
· Kerberos for Windows Server 2019 and above
