Senior Technical Support Specialist ( Bulgaria)

YozmaTech is a global team helping startups and product companies scale through dedicated development teams. This role supports a machine-learning-powered video platform that empowers media companies to strengthen their businesses and deliver better audience experiences.

• Support seamless onboarding of new clients by managing technical configurations and troubleshooting integration issues
• Troubleshoot technical implementation issues and meet response time targets
• Monitor technical performance, identify issues and resolve proactively
• Write and maintain technical documentation, integration playbooks, and internal knowledge base articles
• Diagnose and resolve technical issues by collaborating with engineering and Product teams
• Manage platform configurations including content setup, video player settings, and advertising integrations
• Conduct post-launch QA focused on validating technical performance
• Perform validation checks on integration files and configuration accuracy
• Collaborate with developers on implementing and testing new integrations, APIs and SDKs
• Maintain expertise in EX.CO products and share knowledge with internal teams

• Bachelor's degree in Computer Science, Engineering or equivalent technical field (or 4+ years equivalent experience)
• 5+ years hands-on experience in technical support environment
• Experience implementing and debugging JavaScript/HTML/CSS in production environments
• Solid command of browser DevTools, network-trace analysis and console debugging
• Experience with version control systems such as Git
• Understanding of SQL or ability to query and interpret data sets
• Experience in post-launch product setup QA and technical troubleshooting
• Ability to document technical issues and solutions clearly and concisely
• Experience working in multicultural environments, particularly with U.S.-based teams
• Ability to effectively communicate and collaborate remotely across time zones
• English - Upper-Intermediate or higher

Schedule: Hybrid work model with three days in the office. Rotating weekly shifts aligning with U.S. and European time zones - one week early daytime (9:00-18:00 EET), next week afternoon-evening (13:30-22:30 EET)

Interview Process: HR interview, Technical & general interview, Home assessment, HR interview, Reference check, Offer