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$30/hr
$400 earned
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🏆 Oracle Forms & Reports Expert || PL/SQL, SQL, ERP Solutions || Oracle APEX || Oracle EBS Technical - Finance, G/L, AP, AR, HRMS, Payroll Modules || 18+ Years Experience
🔑 What I Offer: With over 18 years of expertise in Oracle Forms & Reports, PL/SQL and Oracle APEX, I deliver scalable, robust, and high-performance solutions tailored to your business needs. My experience spans industries including ERP systems, healthcare, education, manufacturing, and finance, providing end-to-end solutions that enhance operational efficiency and drive business growth.
🚀 My Skills:
Oracle APEX: Expert in building dynamic, data-driven web applications with interactive reports and dashboards for real-time insights.
Oracle Forms & Reports: Designing and implementing automated, interactive forms and reports to streamline business processes.
PL/SQL & SQL: Writing optimized stored procedures, triggers, and functions for complex business logic and ensuring peak performance with query optimization and database tuning.
EBS - Finance / General Ledger (GL)
Expertise in GL Open Interfaces and Journal Import. Developing custom concurrent programs for data uploads and validations. Building and customizing Financial Reports using Oracle Reports / BI Publisher. Implementing and troubleshooting GL workflow approvals.
EBS - Accounts Payable (AP)
Designing custom invoice and payment interfaces. Utilizing AP Invoice Open Interface and Payment Interface tables. Automating supplier data load and updates through APIs and custom programs. Developing AP custom forms (supplier maintenance, invoice entry).
Creating reports like Invoice Aging, Payment Registers, and 1099 reports.
EBS - Accounts Receivable (AR)
Working with AutoInvoice Interface tables for invoice creation. Building custom customer creation interfaces using AR Customers Interface. Developing receipt interfaces and automating cash application processes. Customizing AR reports like Aging Reports, Receipt Remittance Reports. Using APIs for invoice adjustments, receipt reversals, and credit memo creations.
EBS - Human Resource Management System (HRMS)
Implementing HRMS APIs for employee, assignment, and position data management. Building employee and supervisor data migration interfaces. Customizing HRMS workflows (e.g., hiring approval process). Developing reports: employee profile, organization chart, workforce analysis. Securing sensitive HR data through Oracle HR Security Profiles.
EBS - Payroll
Designing custom timecard and payroll inbound interfaces. Creating Fast Formulas for earnings, deductions, and absence calculations. Generating Payslip reports, Payroll Run results, and Retro Pay calculation outputs. Automating Payroll costing processes and reconciliation reports. Integration with third-party payroll systems using custom APIs and interfaces.
Oracle Cloud Infrastructure (OCI): Deployment and management of cloud-based applications, integrating Oracle Cloud services like OCI, Oracle Autonomous Database, Oracle EBS, and OCI APIs.
ERP Development: Specializing in developing ERP modules for Accounting, Manufacturing, Healthcare, Education, and more. Expertise in modules like Accounts Payable, Accounts Receivable, Inventory Management, Student Admissions, and Financial Reporting.
Performance Tuning & Optimization: Ensuring optimal performance with database optimization tools like Toad and Oracle SQL Developer.
API Integrations: Skilled in integrating APIs like Twilio, Zoom, and Heartland with Oracle APEX for seamless third-party communications.
💡 Notable Projects:
Developed ERP solutions for industries like education, healthcare, and manufacturing, improving data accessibility and efficiency.
Led Oracle Forms to APEX migration projects, successfully replicating complex forms and workflows into web-based Oracle APEX applications.
Engineered Business Intelligence tools for accounting and trading, enabling actionable insights with customized reports.
Developed Hospital Management Systems, streamlining patient care workflows and improving operational accuracy.
🌍 Why Choose Me?
Proven Success: Over 100 successful projects delivered with client satisfaction.
Full-Stack Expertise: From PL/SQL to Oracle APEX to cloud integrations, I provide a comprehensive suite of services.
Global Reach: Experience working on international projects for clients in US, UK, Middle East, and Asia.
🔗 Let's Connect! If you are looking for an Oracle APEX expert with a track record of delivering high-quality solutions, feel free to reach out. I'm here to solve complex problems, streamline your processes, and help you achieve your business objectives. Let’s get started today!
Associated with
Go Cloud
$80K+
earned
$5/hr
60%
Job Success
$100+ earned
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Are you looking for a reliable .NET desktop application that actually works, scales, and is easy to maintain?
I specialize in WPF & WinForms applications using C# and MVVM, helping businesses build tools like trackers, dashboards, reporting systems, and internal business software.
WPF / WinForms (MVVM architecture)
C# .NET / .NET Core / .NET 6+
SQL Server, SQLite, data-driven applications
Clean UI, reports (Excel, CSV, PDF), and automation
I have already delivered real-world desktop applications on Upwork, including a Trading Performance Tracker built with WPF + MVVM.
If you need a new desktop app or want to improve an existing one, I can help you deliver a stable, clean, and professional solution.
Message me to discuss your requirements.
$15/hr
100%
Job Success
$4K+ earned
Available now
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Hi! I’m a PDF Specialist focused on creating fillable forms, converting documents into editable formats, and solving complex formatting challenges.
I help businesses, consultants, nonprofits, and professionals transform static documents into efficient, user-friendly digital documents that save time, improve accuracy, and create a better experience for users.
Whether you need a fillable PDF form, a polished business document, or an accurate PDF conversion, I can deliver clean, reliable, and professional results.
**Services I Offer**
✓ Fillable PDF Forms (Adobe Acrobat)
✓ Interactive PDF Forms with Calculations
✓ PDF to Word Conversion
✓ PDF to Excel Conversion
✓ PDF Editing and Updates
✓ Document Formatting and Layout Fixes
✓ Editable PDF Creation
✓ Business Forms and Templates
✓ Branded Documents and Reports
✓ Form Field Validation and Automation
✓ Digital Document Workflows
**Tools & Platforms**
- Adobe Acrobat Pro
- Microsoft Word
- Microsoft Excel
- Google Docs
- Google Sheets
- Typeform
- Microsoft Forms
- Google Forms
- Power Automate
**Why Clients Work With Me**
- Strong attention to detail
- Accurate and reliable document conversion
- Clean and professional formatting
- Responsive communication
- Focus on usability and user experience
- Solutions designed to reduce manual work
I understand that documents are often a critical part of daily business operations. My goal is to deliver documents that not only look professional but also function exactly as intended.
Whether you’re starting from a scanned PDF, an outdated form, a Word document, or an existing template that needs improvement, I’m here to help.
Let’s discuss your project and find the best solution for your document needs.
Riziq Z.
has worked
.
$10/hr
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"Aim is to provide ultimate customer satisfaction by creating value."
I have been worked with client across the globe on their requirement of creating editable forms. Client are very satisfied by the quality of the work that provided and in return provided a excellent comments. Find the role, responsibility and service that I provided to the customers.
My roles and responsibilities include:
*******************************************
I am proficient in Adobe LiveCycle designer tool which I use for the creating the Dynamic PDF. I am also using adobe acrobat pro tool, which is used to create forms that is multi-channel (PC, Mobile, Tablet, etc..).
Helping clients to satisfy their needs and also providing the best solutions for their requirements.
Looking forward to work with everyone who needs help.
Service Provided:
**********************
1. Editable pdf creation in the adobe LiveCycle designer.
2. Editable pdf creation in adobe acrobat.
3. Word to PDF conversion.
4. Excel to PDF conversion.
5. Splitting one PDF in multiple PDF.
6. Combining the multiple PDF into one PDF.
7. Auto calculation forms.
8. Signature, Mailbox, Reset, Print etc. Functionality form.
9. Single page Resume/CV, Business card...etc. as per the client requirement.
10. Font change, layout change, description change in the forms.
11. Automation of the pdf forms.
Any requirement related to the pdf forms please reach out to me, I will do the needful as per the deadline, budget.
Thank you!
$20/hr
100%
Job Success
$30K+ earned
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Specializing in C#, .NET Ecosystem, Hardware Integration & Office Automation
If you are looking for a developer who can bridge the gap between sophisticated web interfaces, high-performance desktop systems, and physical hardware—you are in the right place. With 12+ years of experience, I architect "mission-critical" solutions designed for longevity, whether they live in the cloud or on a local workstation.
⭐ "Subhodeep is an excellent programmer... Clean code, in sync with architecture."
⭐ "I am very impressed by Mr. Bhattacharjee's professional programming skill... Very satisfied and thankful."
🔹 Why I am the Top Choice for Your Project
While many developers specialize in only one area, I offer a unified approach to the Microsoft stack. My solutions are famous for their longevity—many of my enterprise applications have been running glitch-free for 12+ years in high-pressure production environments. I provide the stability of a desktop expert with the modern flexibility of a web developer.
🛠 Technical Arsenal
1. Enterprise Web Development
Modern Core: Architecting scalable web apps using ASP.NET Core and MVC.
Frontend Mastery: Creating responsive UIs with React, JavaScript, and jQuery.
Legacy Support: Maintaining and modernizing ASP.NET WebForms applications.
2. Advanced Windows UI/UX Development
WPF (MVVM): High-performance, modern interfaces with complex data binding.
WinForms: Legacy-to-modern migrations and rapid, stable business tools.
Enterprise Toolkits: Expert-level implementation of DevExpress and Telerik.
MAUI: Extending desktop power to cross-platform mobile environments.
3. Hardware & Industrial Integration
Communication: Deep mastery of TCP/IP, RS-232, and Serial Port protocols.
Peripherals: Seamless integration for RFID Readers, Barcode Scanners, and industrial sensors.
4. Microsoft Office Automation (VSTO)
Custom enterprise-grade Add-ins for Excel, Outlook, Word, and PowerPoint.
Creating seamless bridges between Office tools and internal databases.
5. Data Architecture & Smart Logic
Databases: SQL Server, SQLite, and Entity Framework (Core & Full).
Data Processing: Complex CSV, XML, and JSON manipulation at scale.
✅ The Guarantee of Senior-Level Engineering
Zero Technical Debt: I write clean, maintainable code using SOLID principles.
Full-Stack Ownership: From hardware handshakes and database design to the final Web API or Desktop UI.
Architectural Precision: Focused on memory management, speed, and Windows API optimization.
🚀 Stop looking for multiple freelancers. Whether you need to digitize your entire operation, build a React-based dashboard for your desktop tools, or solve a complex hardware-software conflict, I will deliver a robust, future-ready solution.
Let's discuss your project today!
$8/hr
100%
Job Success
$2K+ earned
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🏆 𝐎𝐫𝐚𝐜𝐥𝐞 𝐀𝐏𝐄𝐗 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, OCI Expert, 📊𝐎𝐫𝐚𝐜𝐥𝐞 𝐅𝐨𝐫𝐦𝐬 & 𝐑𝐞𝐩𝐨𝐫𝐭𝐬,📊𝐎𝐫𝐚𝐜𝐥𝐞 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞𝐬 - Delivering Excellence Every Time
✅ Successful projects on Upwork
✅ Multiple projects delivered with client satisfaction
🔥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐎𝐫𝐚𝐜𝐥𝐞 𝐀𝐏𝐄𝐗, 𝐒𝐐𝐋, 𝐏𝐋/𝐒𝐐𝐋, 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭, 𝐎𝐫𝐚𝐜𝐥𝐞 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 (𝐎𝐂𝐈), 𝐚𝐧𝐝 𝐑𝐞𝐩𝐨𝐫𝐭𝐬
💡 API Integration Specialist - Seamless Functionality Guaranteed
Hello, I'm 𝐌𝐮𝐡𝐚𝐦𝐦𝐚𝐝 𝐀𝐡𝐦𝐚𝐝 𝐑𝐚𝐧𝐣𝐡𝐚, a highly skilled 𝐎𝐫𝐚𝐜𝐥𝐞 𝐀𝐏𝐄𝐗 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with a proven track record in application development, API integrations, hands-on experience in Oracle Cloud Infrastructure (OCI), and a specialization in Reports. My dedication to Oracle APEX, OCI, and Jasper Reports goes beyond just skills—it's a passion that has driven my career for 4 years.
𝐌𝐲 𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐬 𝐚𝐧𝐝 𝐒𝐤𝐢𝐥𝐥𝐬
𝐎𝐫𝐚𝐜𝐥𝐞 𝐀𝐏𝐄𝐗 𝐌𝐚𝐬𝐭𝐞𝐫𝐲: Expertise in designing and deploying robust web applications rapidly.
𝗢𝗿𝗮𝗰𝗹𝗲 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: Skilled in creating scalable and reliable cloud-native applications.
𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: Advanced SQL and PL/SQL skills for efficient database solutions.
𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Proficient in JavaScript for dynamic and engaging user interfaces.
𝐑𝐞𝐩𝐨𝐫𝐭𝐬 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭: Strong command of Reports for insightful data visualization.
𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Seamless and secure integration of third-party services.
𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Proven ability to build applications ready for future growth.
𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗔𝘀𝘀𝘂𝗿𝗮𝗻𝗰𝗲: Meticulous attention to detail, ensuring reliable and bug-free applications.
𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗮𝗻𝗱 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀:
- Delivered multiple complex Oracle APEX applications with exceptional user experiences.
- Developed robust data models and integrated third-party services seamlessly.
- Enhanced performance and efficiency of applications through optimization efforts.
- Maintained a 100% on-time and on-budget delivery record, earning client trust and satisfaction.
I am ready to bring my extensive expertise in Oracle APEX, web development, API integrations, Oracle Cloud Infrastructure, and Jasper Reports to your project. Let's collaborate to create a successful web application with robust reporting capabilities that exceeds your expectations. Let's make it happen!
$60/hr
100%
Job Success
$10K+ earned
Start of list.
End of list.
Passionate Software Engineer with 11+ years of experience building enterprise-level
applications. Team player software engineer with a can-do attitude, phenomenal time
management skills, and a strong user focus. Has developed several apps using different
technologies.
Teamwork, leadership experience, high motivation, collaboration, good programming
abilities, passion for technology, and an active learner are my strengths. Task scheduling,
technical coaching, good communication and knowledge sharing inside and across teams are
all skills that I have.
I can contribute to your projects with the following skills:
* Oracle APEX | Plugins Development | APIs Integration in oracle APEX
* Oracle APEX Security | Authentication | Authorization | Globalization
* RESTful Services | APEX Regions | Dynamic Actions
* APEX Collections | Oracle APEX Processes | Shared Components | SQL Workshop |
AJAX Callback Processes | APEX Computations | PL/SQL Dynamic Content
* HTML | CSS | JavaScript
* Oracle Forms and Reports Development
* Writing Oracle PL/SQL | Packages | Procedures | Functions
* Database Design
muhammad A.
has worked
.
$25/hr
100%
Job Success
$5K+ earned
Offers consultations
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With 11 years of experience in 📊Oracle Forms & Reports, 📊Oracle APEX, 📊Oracle EBS, 📊Oracle Fusion Financials, and 📊Oracle BI, I specialize in delivering comprehensive and customized solutions. My expertise spans various modules, including 📝Accounts Payable,📝 Accounts Receivable, 📝Fixed Assets, 📝General Ledger, 📝Cash Management, and 📝Purchasing.
Skills and Expertise
Oracle EBS
📊 Extensive experience in implementing and customizing Oracle E-Business Suite, including Financials, Supply Chain Management, and Human Resources.
Oracle Fusion Financials
💳 Specialized in Oracle Fusion Financials, with a focus on implementation, customization, and integration.
Oracle Forms and Reports
📝 Skilled in developing and maintaining Oracle Forms and Reports for diverse business applications.
Oracle BI
📈 Proficient in Oracle Business Intelligence, including BI Publisher and OBIEE, for designing and delivering analytical reports and dashboards.
Database Administration
🔒 Expert in Oracle Database Administration, including performance tuning, backup and recovery, and security management.
Application Development
💻 Strong background in C# .NET, .NET MVC, and Entity Framework, with extensive experience in MS SQL Server.
ERP/CRM Implementation
⚙️ In-depth knowledge of ERP/CRM modules in Odoo, Oracle EBS, and Fusion, with hands-on experience in multi-currency, multi-warehouse, and multi-tax environments.
Custom Module Development
🛠️ Expertise in developing custom modules for Odoo, including complex workflows and integrations.
Project Management
📅 Proven track record in leading and managing full-cycle implementation projects, from requirements gathering to go-live support.
Core Competencies
💻 Programming Languages: Java, C#, Python, JavaScript, PL-SQL
🔨 Frameworks: .NET, Spring, Django, Angular, React, Vue.js
📊 Database Management: SQL Server, Oracle, PostgreSQL
📈 Project Management: Agile, Scrum
🔄 CI/CD Tools: Jenkins, Travis CI, GitLab CI/CD
☁️ Cloud Platforms: AWS, Azure, GCP
Professional Experience
Senior Oracle Database Administrator
Managed and optimized Oracle databases for high performance.
Ensured data integrity and implemented robust security measures.
Senior Oracle Business Application Developer
Developed and maintained Oracle business applications.
Translated business requirements into efficient technical solutions using Oracle 11g Forms and Reports.
C# .NET Specialist using MS SQL Server
Designed and developed scalable applications using C# and .NET framework.
Implemented complex queries and managed databases with MS SQL Server.
Odoo Developer using PyCharm and Python
Customized and extended Odoo ERP solutions.
Developed modules and integrated third-party services using Python.
Worked extensively on Odoo ERP/CRM modules, including Sales, Inventory, Accounting, Human Resources, Manufacturing, and Project Management.
.NET MVC and Entity Framework Developer
Created dynamic web applications using .NET MVC.
Utilized Entity Framework for efficient database interactions.
Key Skills
📚 Business Acumen: Deep understanding of business processes and the ability to translate them into technical solutions.
🧩 Problem-Solving: Strong analytical skills to identify and solve complex problems.
🗣️ Communication: Excellent verbal and written communication skills for effective collaboration.
👥 Leadership: Experience leading projects and mentoring junior developers.
Tools and Technologies
🔧 Version Control: Git (GitHub, GitLab, Bitbucket)
🐳 Containerization: Docker, Kubernetes
✅ Testing: NUnit, JUnit, PyTest, Selenium
🖥️ IDEs: Visual Studio, IntelliJ IDEA, PyCharm, Eclipse, VS Code
🔧 DevOps: Terraform, ELK Stack, Prometheus, Grafana
Let’s Collaborate
I'm passionate about leveraging my technical expertise to deliver high-quality, efficient, and innovative solutions. If you're looking for a dedicated professional to elevate your business applications, let's connect!
Zaigham Ali A.
has worked
.
Associated with
GhosTech Solutions
$3K+
earned
United States
$55/hr
100%
Job Success
$100K+ earned
Offers consultations
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Platinum-Certified Laserfiche Expert at Workflows, Forms & combinations of both. Just tell me what you want it to do, and I can deliver it. I can also configure QuickFields sessions in conjunction with workflows to further automate processes with a scanning piece. Don't worry about the solution, give me the requirements and I will create one for you.
$30/hr
100%
Job Success
$200K+ earned
Offers consultations
Start of list.
End of list.
• Also known as Windows and macOS App Developer Expert
• 5+ years of experience
• I work on backend, frontend, databases, and Linux server administration
• Main stack: .NET (C# / Visual Basic) and TypeScript / JavaScript
• I build web and multi-platform desktop/mobile applications
📚 Technologies
• My main tech stack is .NET (C# or Visual Basic .NET) and TypeScript / JavaScript
• For .NET, I work with ASP .NET, Blazor, WPF, Windows Forms, MAUI (formerly Xamarin), Avalonia UI, and more
• For TypeScript / JavaScript, I prefer React, but I can also work with Angular, jQuery, or vanilla JS
• I can also develop macOS and iOS apps using Swift and Objective-C
🗼 Server Administration and DevOps
• Familiar with Debian-based Linux distributions like Ubuntu
• Able to handle VPS baremetal or Docker-based setups
• Able to automate workflows using Bash, Python, GitHub Actions, and similar tools
• Experienced with cloud services such as AWS and Azure
📊 Database
• Microsoft SQL Server
• MySQL / MariaDB
• SQLite
• PostgreSQL
• Microsoft Access
💡 Skills
• Strong in algorithm design and analysis
• Great ability to solve programming and system trouble
• Great at optimizing software performance
• Flexible work style
• Adaptive team player
📖 Self-Update
• I regularly study new technologies to stay up to date.
🕰️ Flexible Availability
• Open to collaborate across multiple time zones (US, CA, UK, EU, APAC, etc.)
✅ I’m not a robot.
• I’m a real human and a solo freelancer, not an agency
🙌 Let’s Connect!
• My name is Junian and I’d love to help bring your ideas to life
• Feel free to reach out so we can discuss how I can support your project
• Not a Vibe Coder, but use AI-Assisted Programming tools to solve problems
• Linus Torvalds once said, “Talk is cheap. Show me the code.” So go ahead and check out my GitHub code.
🛠️ Common Tasks and Roles
• Known as the Apple / macOS / iPhone guy
• Build Windows app with .NET Framework & Windows Forms (WinForms) / Windows Presentation Foundation (WPF) / WinUI / Avalonia UI / MAUI / Xamarin
• Build Windows Installer MSI / EXE from existing Windows App by using Wix / WixSharp
• Build macOS app with Swift UI or .NET & Avalonia UI / MAUI / Xamarin
• Build, sign, and notarize macOS app installer (PKG / DMG / ZIP)
• Build web app with ASP .NET & Blazor / React / Angular / Vanilla JavaScript
• Deploy and configure existing web apps by using Docker container to VPS / Cloud providers like AWS, Azure, or GCP
• Ethical decompile / reverse engineer / source code retrieval / deobfuscation of existing .NET EXE / DLL / MSI or NinjaTrader Trading Indicator / strategy
• Automate Windows UI tasks
• Web scraping to retrieve online data / PDF / Images / any other files
• Expert macOS system and app troubleshooting
🙋♂️ What I'm not
• I'm not a Vibe Coder. Don't get me wrong, I use AI to build software, but I don't solely rely on it.