Diff Lim

Experience

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  SUMMIT MULTIMEDIA PTE LTD

  Jul 2000 - Oct 2000

  Multimedia Developer

  Company Background SUMMIT MULTIMEDIA is Taiwanese owned company. They expanded and opened oversea branch in Malaysia to develop educational software for primary & secondary school students. The software CDs are on sale in markets and promoted for the school uses. Roles & Responsibilities • Develop and write game codes using Macromedia Director scripts. • Attended Macromedia Director training provided by Co. • Involved some graphic design and sound system arrangements. Projects Primary 1 - 6 English & Math Software CD Show less

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  Silverlake System Pte Ltd

  Oct 2000 - Mar 2001

  Software Engineer

  • Implement and support 5 major banks on their AS400 banking system including case investigation, debugging, solving and logging.• Write and revise, compile, test and debug programs that have been assigned with minimal supervision.• Assist in test data preparation and analysis to ensure superior quality results.• Develop or assist with the development of job streams, system and form designs and detailed documentation for end users and operations.

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  Hyundai Merchant Marine Pte Ltd Singapore

  Jan 2001 - Sept 2012

  IT Assistant Manager

  Company Background HMM is one of the biggest and ranked top 10 shipping companies in the world. Headquarter is in Korea and there are over 50 branches over the world. Roles & Responsibilities • Develop & maintain in house ERP applications in AS/400 system by using RPG/RPGLE/CL/SQL languages. Proficient with DDS, DFU, AS/400 commands etc.• Handling applications/cases related to Account Receivable & Accountant Payable, Remittance program, Documentation system, Transhipment Marketing system, Detention/Demurrage system, Equipment system, EDI system, and other departments' procedures. • Manage databases and queries with AS/400 SQL knowledge for report generation.• Administrate AS/400 system such as batch job submission & schedules, data management & backup, printers' installation, servers and clients' connection managements.• Develop and support EDI projects (WESTIM, DESTIM, CODECO, COARRI, Private format, INVOIC, Tradeshift, APERAK, etc) with PSA (Port of Singapore Association), depots, shippers, consignees and vendors etc and integration with AS/400 mainframe.• System and application support covers 20 countries in Southeast Asia, Southwest Asia, Middle East and Australia. Support over 1500 staffs across these countries. • Attend to system problems and provide solutions to system malfunction cases reported by various departments.• Analyze, review objectives and problems specified in user's requirements document.• Monitoring day to day automatic job, error messages, system bugs notification and logs.• Develop web server programs with programming languages (PHP, MySQL, HTML). Setup and administrate Apache web server.• Server management – Automatic Fax, Automatic Email, Antivirus, File server, NAS, PSA system.• Network management – Router, hubs, cabling, wired/wireless.• Email server administration, setup and configuration, user guidance and support.• Portnet (Port of Authority of Singapore), feeders, vendors’ user accounts administration. Show less

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  FCI

  Feb 2007 - Aug 2007

  EDI Software Engineer

  • Technical management and oversight of the full EDI function, including EDI mapping, EDI translator, management activities, error handling, issues resolution, error reporting.• Analyze, design and develop specifications for enhancements and extensions to electronic data interchange application interfaces and maps.• Provide technical expertise and support for EDI communications.• Ability to troubleshoot problems or errors and communicate with customers daily for day to day control, analysis, test, resolve and correct EDI implementations.• Administer on-going EDI implementations, including setup and testing.• Test, implement and maintain EDI transactions• Knowledge of X12 / EDIFACT EDI standards Show less

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  Celtrino

  Feb 2013 - Jul 2016

  E-Business Data and Application Specialist

  • Subject matter expert in the area of business document data exchange formats, standards and transformations.(e.g. EDIFACT; Business XML, UBL Oasis, Peppol, CENBII, X12, Tradacom;)• Subject matter expert in Celtrino data transformation applications (e.g. Celtrino application toolset that provides automated data format transformations)• Deliver data transformation components on projects to deliver solutions enabling customers exchange business data in required formats.• Provide business data exchange consultancy/expertise to customers as required within scope of specific projects.• Serves as a liaison between the internal/external business community and the IT organization in order to provide technical solutions to meet user needs. • Translates business requirements into functional specifications for the IT organization, manages changes to such specifications.• Gathers information about the organization’s work processes and information flows. • Documents existing process in technical model format in order to evaluate and define new IT solutions and implementation processes.• Lead testing efforts by defining, developing and implementing practices and procedures for complete end user test plans. • Ensures all user acceptance tests are conducted and documented according to standards. Identifies and documents system deficiencies and recommends solutions. • Responsible for overall success of user acceptance testing, including results verification and release. • Reviews, edits, analyze and create detailed documentation of business systems and user needs. • Responsible for writing all documentation in clear and well organized manner. • Implemented EDI projects for Tesco, Unicare, Uniphar, Smith & Nephew, Daiichi, Zoetis, etc.• Additional skills : XSLT, XML, in house converter.• Active member of Oasis UBL forum. Show less

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  WiseTech Global

  Aug 2016 - now

  XML EDI Messaging Developer

  Technical Knowledge & Skills• XML / XSLT / MapForce• C# / .Net Framework • JavaScript / SmartClient• SQL / Stored Procedures / SQL Server• IDE-Visual Studio• Dev Express (Reporting)• HTML, CSS• JIRA / Confluence• Axosoft• Slack / TeamDay to day tasks• System development• Data / Application / System Analysis• API integration with 3rd party• EDI with the customs / government sectors• 2nd level system support / troubleshooting• Incoming/outbound EDI Mappings / Maintenance / Support• Technical Requirement Writing• Unit/System Testing• Codelist maintenanceSpecialized skills• EDIFACT standards• Customs Declaration / Shipping / Logistics Knowledge Show less

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  Expeditors Ireland

  Mar 2023 - now

  System Developer