verdeam

API Development & Integration

Fiverr • Freiberufler

Feb 2026 - Present • 3 mos

Experienced in designing, developing, and integrating secure APIs that allow different applications and services to communicate efficiently. I build RESTful APIs and integrate third-party APIs into existing systems to extend functionality, automate processes, and improve business workflows. Key Responsibilities: Developing secure and scalable RESTful APIs Integrating third-party services such as payment gateways, CRMs, and external platforms API authentication and security implementation API documentation and testing Ensuring smooth communication between different software systems

Software Bug Fixing & Application Maintenance

Upwork • Freiberufler

Jan 2026 - Feb 2026 • 1 mo

I specialize in identifying, diagnosing, and resolving software bugs across web applications, SaaS platforms, and custom systems. My work involves debugging complex code issues, improving system performance, and ensuring applications run smoothly without errors. I collaborate with clients to analyze reported issues, trace root causes, and implement reliable fixes that improve stability and user experience. Key Responsibilities: Debugging and fixing front-end and back-end issues Resolving server errors, API failures, and database bugs Improving application performance and stability Code refactoring and optimization Testing and validating fixes before deployment

Custom ERP Software Development

Freelancer.com • Freiberufler

Dec 2025 - Jan 2026 • 1 mo

I design and develop custom Enterprise Resource Planning (ERP) systems tailored to business operations. My work focuses on building scalable solutions that help organizations manage core processes such as inventory, finance, HR, sales, and reporting in one integrated platform. Key Responsibilities: Developing custom ERP modules based on business requirements Designing database structures and system architecture Integrating ERP with external systems and APIs Building dashboards, reporting tools, and analytics features Maintaining and upgrading ERP systems for optimal performance