Hire the Best ERP Software Freelancers
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Experienced professional with a versatile skill set spanning from media visual design, web/software development, API Integration and automation, system administration and networking, SEO, advertising, marketing, and e-commerce management. Currently focused on Frappe Framework and ERPNext development—delivering impactful solutions, optimizing systems, and driving results. Dedicated to growth and innovation.

💻 Full-Stack & Database Developer | Firebase | React | Power Apps | MS Access | SQL I help businesses build, modernize, automate, and maintain reliable business applications—from Microsoft Access and SQL Server systems to modern web and mobile applications using React, Next.js, Firebase, and Power Apps. With 25+ years of software development experience, I bring a unique combination of deep legacy-system expertise and modern full-stack development. I don't just write code—I understand the business processes behind the system and focus on making them faster, more reliable, and easier to manage. 💡 HOW I CAN HELP ✔ Microsoft Access & VBA Development — Custom databases, forms, reports, queries, automation, troubleshooting, and performance optimization ✔ Database Development — SQL Server, MySQL, Azure SQL, data modeling, normalization, optimization, and integration ✔ Legacy System Modernization — Upgrade or migrate VB6, VB.NET, ASP, and legacy Access applications to modern technologies ✔ Full-Stack Web & Mobile Development — React, Next.js, Firebase, REST APIs, responsive applications, and real-time systems ✔ Power Platform Solutions — Power Apps, Power Automate, SharePoint, Dataverse, and business process automation ✔ Excel & VBA Automation — Eliminate repetitive manual work and turn complex spreadsheets into reliable business tools ✔ Business Intelligence & Reporting — Power BI dashboards, reporting systems, and data-driven business insights 🛠️ WHAT I DO BEST • Microsoft Access database development and optimization • VBA automation and Excel solutions • SQL Server database development and integration • Inventory, sales, order management, and CRM systems • Data cleanup, normalization, migration, and duplicate detection • Access + SQL Server / Website / API integration • Legacy application troubleshooting and modernization • Business workflow automation • Custom web and mobile applications • Performance optimization and fixing slow or unreliable systems 🚀 REAL BUSINESS EXPERIENCE I have developed and supported systems used in real-world business operations, including: ✅ Accounting and financial systems ✅ POS and order management systems ✅ Inventory management systems ✅ HRIS and payroll systems ✅ Hotel and restaurant management systems ✅ CRM and customer management solutions ✅ Business reporting and dashboard systems One of my long-running systems has been used by 158+ active clients since 2006. I also developed AQUABIZ, a modern business management application for water-refilling businesses, featuring sales, invoicing, accounts receivable, inventory, reporting, customer loyalty, and real-time data management. ⭐ LONG-TERM CLIENT EXPERIENCE I value long-term relationships rather than simply completing a project and moving on. I've worked with clients for 4+ years on ongoing projects, providing development, maintenance, troubleshooting, improvements, and technical support. Clients have described me as: «“Very knowledgeable and responsive.”» «“Consistently understands requirements and delivers results as expected.”» «“Highly skilled at solving application-related issues.”» «“Responsive and easy to work with.”» 🧠 WHY CLIENTS WORK WITH ME ✔ 25+ years of development experience ✔ Deep Microsoft Access, VBA, and database expertise ✔ Modern full-stack development experience ✔ Strong understanding of real-world business workflows ✔ Ability to work with both legacy and modern systems ✔ Clear communication and practical problem-solving ✔ Focus on reliable, maintainable solutions ✔ Comfortable taking over existing applications and improving them 🔧 COMMON PROJECTS • Microsoft Access database development • Access database repair and optimization • Access → SQL Server migration • Access → Web application modernization • Excel/VBA automation • Inventory and order management systems • CRM and business management systems • React / Next.js applications • Firebase web and mobile applications • Power Apps and Dataverse solutions • REST API integrations • SQL Server development and optimization • Data migration and cleanup 💬 HAVE AN EXISTING SYSTEM THAT NEEDS HELP? If your current application is: ❌ Slow ❌ Manual ❌ Error-prone ❌ Difficult to maintain ❌ Built on outdated technology ❌ Not connected to your modern workflow I can help you fix it, improve it, automate it, integrate it, or modernize it. If you need someone who understands both legacy business systems and modern application development, let's discuss your project. I’m ready to help turn your business requirements into a reliable working solution.

I help businesses replace manual processes with scalable, automated systems that save time, reduce operational costs, and support growth. I specialize in building custom business solutions using ERPNext/Frappe, Python, and modern API integrations. Whether you need a full ERP implementation, complex integrations between multiple platforms, AI-powered workflows, or ongoing technical leadership, I can take ownership of the project from architecture to deployment. Over the years, I've worked on ERP implementations, backend systems, business process automation, custom applications, cloud deployments, and third-party integrations for organizations with complex operational requirements. What I can help you build • ERPNext implementation and customization • Frappe Framework custom applications • Workflow automation and business process optimization • REST API development and third-party integrations • AI-powered business automation using modern LLMs • Backend architecture and scalable system design • PostgreSQL and MariaDB database design • Cloud deployment (Linux, Docker, Nginx) • Payment gateways and external system integrations • CRM, HR, Inventory, Accounting, Purchasing, and Operations modules • Technical consulting and solution architecture Technologies -ERPNext -Frappe Framework -Python -JavaScript -REST APIs -PostgreSQL -MariaDB -Docker -Linux -Nginx -Git -Supabase -AI/LLM Integrations -Automation Platforms Why clients work with me - I understand business processes—not just code. - I design solutions that are maintainable, scalable, and aligned with real operational needs. - I communicate clearly throughout the project and provide practical recommendations instead of simply implementing requests. - I can contribute as both a hands-on senior engineer and a technical leader, helping clients make sound architectural decisions. If you're looking for someone who can build reliable ERP systems, integrate multiple platforms, automate repetitive work, and leverage AI to improve business operations, I'd be happy to discuss your project.

More than 11 years of working in various aspects of ERP, Retail, Accounting, and Financial Procedures. Flexible, trustworthy, proactive and results-oriented with solid accounting and computer skills. Acumatica ERP Functional Consultant • Conduct client’s business process review and system analysis to align client’s operation using ERP functionalities. • Recommends standard business practice and necessary automation to optimize operations • Prepare project documentation for a report, process and integration customizations. • Data build-up, Uploading , Configuration and Set-up and other technical function • Facilitates user training and support on how to use ERP software modules and vertical solutions. • Responsible for meeting directly with clients ERP – related needs and issues and provide the best possible solutions to enable collaborative working relationship with clients. • Support system maintenance on ERP software as well as assistance on new upgrades and testing. • Quality assurance testing of system development by programmers before actual deployment to clients. • Escalating bugs to product support for fixes and document resolution references. • Conduct status update meetings to stay informed. about the current state of the project, steering committee, project timeline, and project closeout. • Conducts Acumatica pre-sales product demonstration and facilitates POC. Acumatica Badges • Business Consultant • Inventory and Order Management • Project Accounting • Advanced CRM • Manufacturing • Field Service Business Consultant • Construction Pre-Sales Techniques • Pre-Sales Engineer EDUCATION: June 2018 – March 2012 University of Rizal System Bachelor of Science in Accountancy TRAINING ABROAD: Field Service Business Consultant March 2019 Jakarta, Indonesia