Rajan Sharma

Web/Software Developer

Fiverr • Freiberufler

Nov 2022 - Present • 3 yrs 8 mos

Full Stack Developer & ERP Solution Specialist with experience in SAP integrations, REST API development, MongoDB, Node.js, and React applications. Successfully delivered custom business automation systems, production management modules, and enterprise integrations for multiple clients. Achievements: • Built secure SAP integration APIs with production-ready workflows • Developed ERP modules for packaging, QC, jumbo roll allocation, and inventory tracking • Improved system accuracy by fixing quantity allocation and booking logic issues • Created scalable backend architectures and real-time dashboards • Delivered client-focused solutions with strong communication and fast turnaround Focused on building reliable, scalable, and business-driven software solutions.

Web/Software Developer

Upwork • Freiberufler

Nov 2022 - Present • 3 yrs 8 mos

Full Stack Developer specializing in ERP systems, SAP integrations, REST APIs, and business automation solutions. Experienced in building scalable web applications using Node.js, React.js, MongoDB, and modern backend architectures. I have worked on production management systems, inventory tracking, packaging modules, QC workflows, and enterprise API integrations for business operations. Skilled in solving complex backend logic issues, optimizing workflows, and delivering reliable, production-ready solutions. Key Achievements: • Developed secure SAP integration APIs with automated workflows • Built custom ERP modules for manufacturing and inventory management • Improved allocation and booking accuracy in enterprise systems • Designed scalable REST APIs with authentication and security best practices • Delivered fast, responsive, and business-focused web applications I focus on clean code, long-term scalability, and delivering solutions that improve operational efficiency.