SERGEI CHERNOV

naxolme@gmail.com
https://www.linkedin.com/in/naholme/

Education: Business processes and Information management
Specialist Diploma in Corporate Information Systems – Khabarovsk State University of Economics and Law, Management Faculty

Languages: English, Russian

–– EXPERIENCE ––

Projects under NDA, Senior Technical Support Engineer (FinTech / Payment Systems)
Aug 2025 – Jul 2026

- Investigated production incidents and performed root cause analysis.
- Supported payment integrations and investigated transaction processing issues.
- Analyzed application logs, API requests, and database records to identify and resolve production problems.
- Collaborated with Development, QA, DevOps, and Product teams to resolve critical incidents.
- Participated in production support, issue escalation, and technical troubleshooting.
- Communicated with enterprise clients and internal stakeholders to investigate, reproduce, and resolve complex technical issues.

Technologies: SQL, Python, node.js, REST APIs, JSON, Linux, FIX Protocol, Grafana, Jira, Azure
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VPN, Support Team Lead
Sep 2024 – Jul 2025

- Organized technical support processes: request handling, workflow rules, routing, automation
- Developed and maintained internal tools for the support team
- Improved knowledge base and documentation to speed up request handling

Technologies: Jira, JQL, Confluence, Node.js
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CS-Cart.com, Product Analyst (eCommerce)
Jan 2022 – Apr 2024

- Researched product features and proposed improvements based on market and customer needs
- Owned tasks from idea to delivery: defined requirements, explained business logic to the development team, participated in sprint planning and supported implementation
- Coordinated in-app onboarding development: task definition, collaboration with designer and developer, and launch of the solution

Tools: YouTrack, Google Sheets
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CS-Cart.com, Technical Support Engineer (eCommerce)
Nov 2017 – Dec 2021

- Provided expert help in server and platform setup, including all third-party integrations (payment gateways, shipping providers, etc.)
- Performed platform customization based on client requirements, including feature development and code-level modifications
- Handed over bugs and feature requests to the development team, participated in prioritization and tracked execution
- Helped onboard new employees and documented internal processes

Technologies: Linux, Terminal, API, MySQL, PHP, HTML, CSS, JavaScript, Smarty, YouTrack
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Alta-Soft, Technical Support Engineer (Customs)
Sep 2012 – Sep 2017

- Primary contact for B2B clients, on-site integration
- Provided support for ERP platform and digital document exchange system
- Conducted trainings and seminars for foreign trade specialists

Technologies: Microsoft SQL Server, CryptoPRO
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Freelance, Technical Support Engineer
May 2010 – June 2012

- Maintained networks (D-Link, MikroTik)
- Managed server applications (Windows Server)
- Managed licenses and workstations