Oleg

Oleg Tarasov​
Age: 28​
Location: Kyiv, Ukraine

Contact Information​
Phone: [open contact info](look above in the "contact info" section)​
Email: [open contact info](look above in the "contact info" section)​
Telegram: @tarasovoleg9779

Work Experience

Acting Team Lead – Technical Support

TGI, Kyiv​
2025 – 2026

●​ Coordinated daily tasks of the support team​

●​ Assisted team members with complex technical issues​

●​ Helped prioritize incoming tickets​

●​ Communicated with developers regarding technical problems​

●​ Participated in technical discussions and issue analysis​

●​ Helped define technical requirements for new integrations​

●​ Assisted with onboarding of new support agents​

●​ Reviewed and clarified technical tasks​

●​ Ensured proper issue escalation flow​

●​ Monitored ticket resolution progress​

●​ Helped improve support workflows​

●​ Provided internal technical consultations​

●​ Assisted in creating internal documentation​

●​ Acted as a point of contact between support and development teams​

●​ Participated in process improvements​

●​ Helped standardize troubleshooting procedures
Technical Support Specialist – Tier 2

TGI, Kyiv​
2024 – Present

●​ Investigated and resolved complex technical issues in the CRM system​

●​ Worked with REST APIs for telephony and payment integrations​

●​ Tested API requests using Postman (GET/POST, headers, JSON payloads)​

●​ Analyzed API responses and validated request parameters​

●​ Configured Click-to-Call integrations via REST API​

●​ Tested and debugged webhook and callback requests​

●​ Integrated and tested payment systems (PSP)​

●​ Verified transaction statuses and postback handling​

●​ Debugged integration issues between CRM and third-party systems​

●​ Analyzed HTTP requests, responses, and status codes​

●​ Worked with JSON data and API documentation​

●​ Investigated callback and webhook delivery issues​

●​ Analyzed server responses and error codes (403, 404, 500)​

●​ Worked with server logs to identify issues​

●​ Used SSH to access servers and perform basic diagnostics​

●​ Checked server availability and connectivity​

●​ Diagnosed website availability issues​

●​ Worked with Nginx and Apache configurations (basic level)​

●​ Configured and troubleshooted Cloudflare (DNS, SSL, proxy)​

●​ Investigated caching and CDN-related issues​

●​ Debugged domain and hosting issues​

●​ Worked with environment configurations​

●​ Assisted developers with issue reproduction and debugging​

●​ Prepared technical details for developers​

●​ Worked with GitLab issues and project tasks​

●​ Tested integrations according to API documentation
Technical Support Specialist – Tier 1

TGI, Kyiv​
2023 – 2024

●​ Provided first-line technical support for CRM users via tickets and chats​

●​ Assisted users with CRM functionality and navigation​

●​ Created and managed user accounts and access permissions​

●​ Helped configure basic CRM settings​

●​ Assisted clients with domain and DNS configuration​

●​ Verified reported issues and collected technical details​

●​ Reproduced issues before escalating to Tier 2​

●​ Assisted with email configuration (SMTP settings, mail delivery issues)​

●​ Provided basic troubleshooting for login and access issues​

●​ Supported clients with Cloudflare and DNS-related questions​

●​ Created user guides and basic documentation​

●​ Escalated technical issues to higher support levels when necessary
Technical Skills
API & Integration:

●​ REST API​

●​ Webhooks​

●​ JSON​

●​ Postman​

●​ API Testing​

Infrastructure:

●​ Linux (basic)​

●​ SSH​

●​ DNS​

●​ Cloudflare​

●​ Web Hosting​

Web:

●​ HTTP/HTTPS​

●​ SMTP​

●​ Nginx (basic)​

●​ Apache (basic)​

Tools:

●​ Postman​

●​ GitLab​

●​ CRM Systems