Le Hung

Technical Lead & Software Developer with 10+ years of experience in Oracle Technology. Worked in software product, banking and finance, and consumer domain in the Analysis, Design, Development, Implementation, and Support Services on Mainframe Application Systems and Quality Assurance processes, strongly understand ERP Application systems and provide recommendations on process improvements. Well-versed in all the stages of the software development cycle, namely Requirement gathering, Architectural Design, High-level Technical Design, Coding, and Testing with different technologies.

Extensive experience in Requirement gathering, Team Handling, and coordination experience with complex projects involving different applications and technologies.

Oracle

Developer with extensive experience designing, coding, testing, and supporting next-generation database solutions in Oracle enterprise and SQL Server environments. Proficient in an assortment of technologies, including Oracle 12c, DB2, Access, MS SQL Server 2016, JDBC, Apache HTTP Server, Java, Python, C++, XML, Windows, Linux, and Unix. Oracle skills include:

Senior Application Developer - PL SQL at Freelancer Developer (2022-08 – Present)

Responsible for developing, supporting, maintaining, and implementing complex project modules. I work closely with the global service team and partners, utilizing my expertise and judgment to plan and execute tasks effectively, ensuring high-quality outcomes and adherence to project timelines.

• Client: Corsair Gaming Inc (CRSR)
• Project: Oracle E-Business Suite Applications – R12
• Designed and developed Oracle databases.
• Optimized SQL queries to enhance system performance.
• Built and maintained reports using Oracle Reports, Oracle Discoverer, and Power BI.
• Created user interfaces using Oracle Forms.
• Integrated the system with third-party applications (Walmart, Amazon, GXO, 3PL, D2L)
• Provided testing, training, and support to end-users.
• Client: Quarterhill Inc
• Project: Transportation Technology System
• Designed and developed Oracle databases, Odoo, and Postgres DB.
• Built and maintained reports using Oracle Reports, Crystal Report, Oracle Analytics Cloud (OAC).
• Developed business functions using PL/SQL and Java.
• Created user interfaces using Mendix and Java.
• Provided training and support to end-users.

Technical Lead - Head of System Development at Masan Consumer Holdings (2017-08 – 2022-01)

Responsible for managing and ensuring the stability of 24x7 systems, enhancing database performance, and managing the development team. Works closely with the global service team and partners to develop Biz User-specific requirements and issues in the ERP product system. Ensure technical and functional designs meet business requirements.

• Responsible for managing and ensuring the stability of 24x7 systems: Oracle EBS, ASCP, BI, Siebel, SOA hosted on Oracle Cloud Infrastructure (OCI) through OMCS and IT partners
• Implemented and managed operations from planning, distribution, manufacturing, and finance at over 20 sites.
• Working closely with the global service team and partners with technical guides and directions for each phase of analysis, design, and
• Responsible for working closely with business partners and analysts to help gather and translate requirements into system work.
• Enhance database performance, perform restores, and handle performance tuning and system backups. Ensure technical and functional designs meet business requirements.
• Implementation requires integration with external systems (Microsoft Dynamics 365 Retail, E-invoice, Techcombank Payment and Virtual Account, HSBC online payment, DMS - Siebel, WMS, Mobile System for Distributors, In-house production system – Innova, Traceability, SMS online, Wincomerce, AWS cloud) using technology in Restful, XML, SOAP web service, SFTP with Method Security PGP, Encrypt/Decrypt data transfer RSA 256, AES, Sign Data digital certificate.
• Direct and track team velocity and release progress in the project

Oracle Core Banking – System Development at DTSC (2015-08 – 2017-09)

Responsible for developing Oracle FLEXCUBE, E-banking, SMS banking, and Credit card implementation at DongA Bank and designing, developing, reviewing, implementing, and testing different modules (savings accounts, Loans, Retail teller, Trade Finance, Interaction with Flexcube Direct Banking). Ensure technical and functional designs meet business requirements.

• Involved in deployments for Flexcube - CORE product implementation. Dong A Bank
• Gathering requirements from the client for Reporting, Forms, Interfaces, and Flexcube. Analyzed change requests for the existing bank systems.
• Presenting Solutions to the Client’s Requirements.
• Developed the data interfaces through Oracle Pl/Sql, Oracle 10g/11g, SQL Loader, and UNIX.
• Direct Interaction with clients to solve Technical Issues and UAT Issues.
• Supporting users throughout the system on issues related to the system log, executing the transaction properly on business process to ensure good operating system Flexcube Core Banking System, Bank Report State Bank, E-banking, SMS banking, Credit cards (Xcard).
• Evaluated reporting system and relevant changes to ensure availability and optimal performance.

Oracle Developer - ERP Oracle E-Business Suite R11, R12 at FPT Information System (2014-04 – 2015-08)

Responsible for designing, developing, reviewing, implementing, and testing different modules using advanced programs such as Oracle BI publisher and XMLP, Oracle Forms, Web ADI, Workflow, SQL Loader, PL/SQL, and packages/procedures.

• Implemented analysis of user and business needs for the development of solutions.
• Participate in the technical implementation and design reports from ERP Oracle E-Business Suite (R12).
• Participation in the project Hoan My Hospital () and OCB Bank - ()
• Implementation requires integration with external systems (Financials Accounting Hub)
• Developed technical designs, reports, customized forms, and testing services for Oracle ERP applications.
• Extracting data from flat files and transforming it following the business logic mentioned by the client using SQL Loader, Toad.
• Modified existing codes and developed PL/SQL packages to perform certain specialized functions.
• Evaluated reporting system and relevant changes to ensure availability and optimal performance.

Bachelor of Science in Information Systems Technology – VNUHCM - University of Science (2011-03 – 2014-09)