Je D.

Need a reliable developer to build, improve, or take over a business-critical software system? I help businesses build custom software, SaaS platforms, CRM/ERP systems, workflow automation, integrations, and AI-powered applications that solve real operational problems. 🏆 Top Rated on Upwork ⭐ 100% Job Success Score 💰 $20K+ Earned on Upwork 🚀 10+ Years of Software Development Experience What I Can Help You Build • Custom Web Applications & SaaS Platforms • CRM & ERP Systems • Business Process Automation • AI-Powered Applications & Workflow Automation • API Development & Third-Party Integrations • Admin Portals & Internal Business Tools • E-commerce & Marketplace Platforms • Mobile Applications • Existing Application Maintenance & Modernization Technology Expertise Backend: PHP, Laravel, Node.js, Python Frontend: React, JavaScript, HTML, CSS Mobile: Flutter, React Native Databases: MySQL, PostgreSQL, MongoDB Integrations: REST APIs, Webhooks, Payment Gateways, CRM & Third-Party APIs Automation & AI: OpenAI/AI integrations, workflow automation, API-driven business processes I Can Also Take Over Existing Projects, You don't need to start from scratch. I can step into an existing application to: • Understand and document the current system • Fix bugs and performance issues • Clean up or extend existing code • Build new modules and features • Integrate third-party platforms • Automate manual workflows • Improve stability and scalability • Provide ongoing development and support Why Clients Work With Me My focus is not simply completing development tasks. I first understand the business process behind the requirement and then build a solution that is reliable, maintainable, and practical for day-to-day use. Whether you need an MVP, an internal business platform, an integration, or an experienced developer to take ownership of an existing application, I can help. Have a project in mind? Send me a message with your requirements and I'll suggest the best technical approach.