Hire the Best Oracle PL/SQL Freelancers
in Bangladesh

I am Kamal Hossain, an Oracle Certified, Advanced Apex Developer having 16+ years of experience working with dedicated Oracle Apex & 23+ years of experience working with Oracle Forms, Reports, SQL & PL/SQL Technology. As an Oracle Apex blogger since 2009, I have large number of community across the world to share Issues, ideas, solutions and insights into the world of Oracle Apex. I have hands-on experience working with Oracle Apex Technology in the following Areas: • ChatGPT integration with Oracle Apex • PeopleSoft API integration with Oracle Apex • Shopify Ecommerce API integration with Oracle Apex • Integration Any Web API with Oracle Apex • Upgrade Oracle Forms & Reports applications to Oracle Apex • Oracle Apex 24x including all New Functionalities • Apex Universal theme along with Custom Templates • Multi select Card template and Custom look & feel • Responsive Desktop & Mobile User Interface Design • Oracle Database 8,8i,9i,10g,11g,12c,18c,19c,23c • PL/SQL Programming (Advanced Level) • Application Server - WebLogic, Apache • Restful services • Web Services • Multilingual Apex (Run-time Translating Page) • AJAX, JQUERY, Javascript, HTML, CSS (Advanced Level) • JSON Data Processing in Apex (Advanced Level) • GraphQL Query Processing by Calling REST API (Advanced) • API Data Integration in Apex (Advanced Level) • Landing Shopify online order notification to custom DB table • JQUERY UI Autocomplete applying API Data source • Interactive Dashboard, Charts & Graphs (Advanced Level) • Digital Signature Pad in Apex Page • Custom Multi Functional Calendar Control • Plugins • FOEX Plugin Framework • Implementing Oracle Cloud security with Local Oracle Apex • BI Publisher & Reporting • Jasper Reports (Advanced Level) • PDF Reports • AOP (Apex Office Print) • convert SQL Query output to pdf file using pl/sql • Oracle Multimedia Image Processing in Apex • Classic Report, Interactive Report & Interactive Grid • Custom Classic Report • HTML Report • Data Export & Import Utility • Oracle Apex Collections, Dynamic Action (Advanced Level) • Custom User Login Management • Custom & Dynamic Master Menu Management • Custom & Dynamic Top Navigation Bar Management • Multi application managed through central login policy • Integrating multiple Applications. • Email Notification • SMS Notification My skills also encompass: • Source control management including version controlling (Utilized Tortoise SVN Server as a tool) • Product Development • Team Management • Release Engineering • Software Configuration Management I have served last 15 years in the leading Software development companies where I have been repeatedly recognized for development software application from initial requirement gathering to design, coding, testing, documentation and implementation. As a full time Freelancer, I am available 40 hours per week at any time zone standard for long term relationship basis. Thank You M Kamal Hossain

Oracle Certified Database Developer with over 6 years of professional experience and 3 years of data analysis expertise, I am dedicated to providing top-notch solutions to meet your database and data analysis needs. Specializing in Database Design, SQL Query Development, PL/SQL programming, and SQL Query Optimization. My commitment to quality, attention to detail, and efficient project management ensures the timely and successful completion of every task. Services I provide: ➤ Database Design and Development: I offer comprehensive database design and development services. Conceptual Design, Logical Design, ERD, EER, and Physical Design of Schema. I specialize in creating efficient and scalable database architectures tailored to your specific needs. I offer my service for Oracle, MS SQL Server, PostgreSQL, MySQL, and Azure databases. ➤ SQL Query: With my expertise in SQL, I can help you extract, manipulate, and analyze data from your database. From simple SELECT statements to advanced JOINs and subqueries, I am proficient in crafting efficient and accurate SQL queries. I pay attention to optimizing query performance and ensuring accurate results, empowering you to gain valuable insights from your data. ➤ PL/SQL Programming: Whether you require stored procedures, triggers, functions, or packages, I can develop custom PL/SQL code to automate tasks, enforce business rules, and improve overall database performance. I follow best practices in coding, ensuring readability, maintainability, and adherence to industry standards. ➤ Oracle Application Development: Technical Support of Oracle EBS Financial and SCM modules, configurations, and integrations. I can assist in identifying and resolving technical issues, whether they involve application errors or system integration challenges. I employ troubleshooting techniques to diagnose and resolve issues promptly, minimizing downtime and maximizing system efficiency. I will develop XML Publisher Report, OTBI Analysis, Dashboard, and Custom Application Development with Oracle Forms, Reports, & APEX. ➤ Data Analysis: Unleash the power of your data with my data analysis services. With expertise in tools like Excel and Python, I can help you uncover valuable insights and make data-driven decisions. From cleaning and transforming data to performing statistical analysis and creating visualizations, I have the skills to extract meaningful information from complex datasets. I work closely with you to understand your analytical goals and provide actionable results to drive business success. Why choose me? ✅ Expertise: I possess a deep understanding of Relational database architecture, SQL, PL/SQL, stored procedures, triggers, functions, Database design and optimization concepts, Oracle Forms, Reports & APEX. ✅ Reliability: I am dedicated to meeting deadlines and exceeding client expectations. ✅ Communication: I maintain clear and prompt communication to ensure transparency throughout the project. ✅ Collaborative Approach: I believe in fostering a strong client-freelancer partnership to deliver the best possible outcomes. ✅ Client Satisfaction: My ultimate goal is your satisfaction, and I strive to build long-term relationships with my clients. Let's discuss how I can assist you in achieving your project goals. Please reach out to me via Upwork messenger, and let's get started on creating exceptional results together. Looking forward to collaborating with you!

I have over 16 years of professional software development experience, including 5 years of hands-on experience with Oracle FLEXCUBE Core Banking (CBS). Throughout my career, I have designed, developed, enhanced, and maintained enterprise applications for banking and business domains using Microsoft technologies, Oracle databases, and cloud platforms. My core expertise includes: * Oracle FLEXCUBE (CBS) * C#, ASP.NET, ASP.NET Core, .NET Core, Web API * Oracle PL/SQL, Microsoft SQL Server (MSSQL), MySQL, PostgreSQL * Database Migration (MSSQL ↔ MySQL, Oracle ↔ MSSQL, data migration, schema conversion, ETL, and data validation) * Database Administration (DBA) activities, including database installation, backup & recovery, performance tuning, indexing, query optimization, user/security management, monitoring, and maintenance * Java, Entity Framework, Dapper * Angular, JavaScript, HTML, CSS, jQuery * AWS and Azure Cloud * SSRS, Crystal Reports * Git, TFS, Bitbucket, Jira, and Agile development What I can bring to your project: * Clean, scalable, and maintainable code * Strong database design, administration, and performance optimization * Database migration between MSSQL, MySQL, Oracle, and PostgreSQL with minimal downtime and data integrity * Experience integrating APIs and enterprise systems * Fast issue diagnosis and reliable bug fixing * Clear communication and on-time delivery * Ability to work independently or collaborate effectively with your team Having worked as a Senior Developer and Team Lead, I understand both the technical and business aspects of software development. Whether you need a new application, enhancements to an existing system, database migration, database administration, performance tuning, or long-term development support, I can deliver high-quality solutions that align with your business goals. I would be happy to discuss your project in more detail and recommend the most effective approach. I am available to start immediately and look forward to contributing to your project’s success. Thank you for taking the time to read my profile. I hope to speak with you soon! If you’re looking for high-quality work, fast turnaround, and reliable technical expertise at a fair price, please don’t hesitate to contact me.

Hello I am Imran Hussain Heron. I have a total of 13 years of experience with Oracle, MySQL, and MSSQL databases. My significant experience includes: Oracle Database: Implementation and management of Oracle Database 10g, 11g R1, 11g R2, 12c, and 19c Database Backup and Recovery: Expert in RMAN and Oracle import/export High Availability Solutions: Real Application Clusters (RAC), Physical Standby (Data Guard), and Logical Standby Middleware and Infrastructure: Oracle WebLogic, Oracle Grid Infrastructure (11g-19c), and Fusion Middleware Security: Oracle Audit Vault and Database Firewall, Oracle & MSSQL Transparent Data Encryption Performance Tuning: Oracle & MSSQL performance tuning Database Upgradation & Migration: Oracle and MSSQL database upgradation and migration Disaster Recovery and High Availability: MSSQL AlwaysOn Availability Groups, Replication, Log Shipping, Mirroring, and Clustering MySQL Administration: Administration and DR implementation Additional Expertise: Oracle GoldenGate, Oracle Gateway Thank you for visiting my portfolio. Best regards, Imran Hussain Heron

Hello, Thank you for checking out my profile. Here is a quick overview of my skills & strengths, I am Software Architect well organized, dedicated, energetic, hardworking, efficient and self motivated. Education: I have Master in Software Engineering Degree and Bachelor in Computer Science & Information Technology( CSIT . Seeking for the challenging job from the reputed organization where I can use my skills, knowledge and experience for the company’s progress and benefit. Over the last 18 years, I have designed ERP, DFD, ERD, GUI, process modeling & developed a wide range of database software using Oracle database, Oracle Forms and Reports, Oracle Apex, BI Publisher, Power BI, SQL Server, MySQL, Postgres, FileMaker Pro in home and abroad. I am confident I would make a valuable and immediate contribution to your operations. My technical skill are as follows: Domain Competency : * 18+ years of HealthCare domain experience. * 12+ years of Pharmaceutical, Manufacturing, Supply Chain, and Financial domain experience. * 03+ years of Bank, Oil & Gas, Education, Association domain experience. * 01 + years of Trade, Digital Marketing, and Distribution domain experience. * 01 years of Real Estate Industry, Hotel, and Tourism domain experience. Technology Expertise: 01: Database Experience: Oracle Database7-11g R2,12C, 18c,19c, Autonomous database, Oracle Application Server10g, Developer suite 10g, Oracle Form/Report/Query Builder, Warehouse Builder 10g( ELT, ETL, Cube and Dimensions), Oracle Discoverer, Oracle BI Publisher Desktop, Oracle BI Publisher 10g,Oracle web logic, PL/SQL, Oracle XE 11g, MS SQL Server 2008, MySQL, Postgres, Filemaker pro, MS Access.5000+ Reports & pages development experience using Oracle, APEX, Oracle BI Publisher, Microsoft Power BI and Developer Suit. 02: Web Programming Language: Java Script, jQuery, Bootstrap, Ajax,VB Script, ASP,DHTML, Jasper- Crystal Report, HTML, XML,WML,CSS, JDeveloper 11g,ADF,Tomca,, Tomcat, PHP, WordPress, joomla, Oracle APEX 3,4,5 to APEX 21.1 03: Programming Language: C, C++, Java 04: Operating System: DOS, Windows Server, Red Hat Linux 05: Application Program: Ms Office, 360, MS Visio 2003, SmartDraw. TALLY, Quick Books, STAAD, TOAD,SPSS,STATISCA,Sage MAS,Arcview,Arc GIS,ProBank, PCbank,Wincor Nixford banking Software. Application Server.MS Project, Putty, FTP,UML. Balsamiq Mockups, Pencil, yFiles, ER/Studio. Trello, jira,p-tracker, Monday.com. 06: ERP: mPharma ERP, mhealthcare ERP, Oracle EBS, Openbravo, OpenERP, Orangehrm, 07: Hardware: Assembling, Troubleshooting, BIOS Setup, Server configuration(HP,DELL,IBM),Toshiba,Compaq,Dell,Asus Laptop Setup 08: Networking: Network Cabling, Device Setup, Protocol & Service Setup, Server Configuration-Domain Registration in Win NT Server 4.O, Windows Server 2000/2003. Network Troubleshooting, Network Maintenance, Proxy Server, Firewall, Switch, Router Configuration. 09: Cloud System: Oracle Cloud, Amazon Cloud-AWS, hostmonster.com Publication: 1) Cloud Application Development- Oracle Apex link are as follows rokomari dot com/book/207906/cloud-software-development-oracle-apex?fbclid=IwAR1Xfwqa8n9n3vK8OMp0g0B20C5eJSCmpFXR4gqCuRmyNlcuQNNui1zAPwY 2) Business Intelligence BI - Oracle BI Publisher, Microsoft Power BI rokomari dot com/book/268513/oracle-bi-publisher 3) Journal ijsecs.ump.edu. my/index. php/archive/17-v4/74-ijsecs-04-0044 4) //globaljournals. org/GJCST_Volume18/5-Rework-and-Reuse-Effects.pdf Membership: :Bangladesh Computer Society Membership ID: AM05212. Bangladesh Software Testing Board

12 Years of total IT experience and work with 27 Customer End including 20 Gov. and Private Bank in Bangladesh, 6 other corporate clients. Vast exposure to IT Infrastructure Management space. Domain expertise on Oracle Database, Security, Solaris (UNIX), SPARC and x86 System. Successfully managed multiple projects involving Implementation and Production Support (Oracle Exadata, Oracle RAC, Oracle Data Guard, Linux Cluster, Solaris Cluster, Oracle Database Appliance, Oracle Advance Security, Audit Vault, Thales nShiled, Thales Payshield, Oracle SUN SPARC and x86 System etc.). Having extensive subject matter expertise in IT Operation Management, Strategic Technology & Developing Cost Effective Solutions to meet customer / business requirements.