All Services Programming & Development Digital Document Signature $10/hr · Starting at $50 Workflow or simple signatures with X.509 certificates,with PADES and CADES patterns, for all types of files and documents. About $10/hr · Ongoing Download Resume Workflow or simple signatures with X.509 certificates,with PADES and CADES patterns, for all types of files and documents. Skills & Expertise Digital CertificatePattern DesignWorkflow Management 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Web DesignersPattern DesignersDrupal DevelopersEcommerce Web DesignersWorkflow ManagersPayment Gateway Integration ServicesSoftware DevelopersC# Programmers.Net Developers