Volodymyr

Vladimir Bondarenko
Technical Support & System Administrator | SQL, PostgreSQL, Linux, AWS,
Moodle
Kyiv, Ukraine | Email: [відкрити контакти](див. вище в блоці «контактна інформація») | Phone: [відкрити контакти](див. вище в блоці «контактна інформація») | Telegram: @Veld_v
Additional information: Employer-sponsored deferment from military mobilization available
from the first day of employment.

Professional Summary
Technical Support and System Administrator with 10 years of experience supporting
corporate systems, CRM platforms, users, and data workflows. Strong background in
SQL, PostgreSQL, data validation, deduplication, bulk updates, imports, and production data operations. Experienced in
deploying and administering Moodle on Linux/AWS, configuring web services, resolving incidents, preparing technical tasks for
developers and QA, and automating routine processes with Python and AI-assisted tools.

Key Skills
Technical Support: incident investigation, user support, troubleshooting, escalation, documentation
System Administration: Linux, AWS, web-service deployment, Moodle administration, server configuration
Databases: SQL, PostgreSQL, MySQL, triggers, stored procedures, data validators, data imports
Data Operations: bulk updates, deduplication, data cleansing, validation, CSV imports/exports, temporary tables
CRM: user administration, reference data, field configuration, interface setup, workflow support
Automation: Python scripting, Telegram automation, AI-assisted development
Collaboration: task decomposition, technical requirements, QA task preparation, developer coordination

Work Experience
Computer Systems Analyst
Proxima Research International LLC | Kyiv, Ukraine | September 2016 – September 2026
Supported corporate CRM, LMS, and data-operation processes for client companies with a combined user base of several
thousand users. Handled up to approximately 50 support and operational requests per day during peak periods, combining user
support, incident investigation, SQL-based data corrections, and system administration.
CRM & User Support
✓ Administered Proxima CRM for multiple client companies, including user creation, roles, reference data, system
settings, field configuration, and interface cards.
✓ Supported internal CRM workflows and resolved user issues through internal requests and communication channels.
✓ Investigated incidents, identified root causes, prepared fixes or technical tasks, and coordinated with development and
QA teams.
✓ Prepared user guides and internal documentation for recurring processes.
SQL & Data Operations
✓ Wrote SQL queries for reporting, data analysis, validation, exports, and production data corrections.
✓ Performed complex parameterized updates, data imports, deduplication, and data cleansing in PostgreSQL and MySQL.
✓ Created triggers, stored procedures, and validation logic to support data-quality and business-rule requirements.
✓ Loaded data to production through temporary tables with controlled validation before final updates.
✓ Prepared custom data extracts when standard reports were unavailable.
✓ Supported data imports and exports, including CSV-based user lists and client data processing.
Moodle LMS Administration
✓ Deployed Moodle from scratch on a Linux server in AWS, including platform installation, external access configuration,
and initial setup.
✓ Administered more than 100 courses, including migration of existing courses from EDX and creation/upload of new
courses.

✓ Managed users, enrollments, roles, plugins, course content, and result exports.
✓ Processed and prepared question lists for Moodle import, including validation and formatting for bulk upload.
✓ Collected user lists from the database and prepared CSV files for Moodle user import.
✓ Supported routine Moodle administration and troubleshooting.
Automation & Internal Tools
✓ Developed Python scripts for automated Telegram post scheduling and publishing.
✓ Built an internal Telegram post-statistics application for a specific project, using an AI-assisted development workflow.
✓ Automated repetitive operational tasks with Python scripts and AI-assisted tooling.
✓ Deployed and maintained a PHP-based web service from scratch, including later security hardening and vulnerability
remediation.

Technical Highlights
✓ PostgreSQL / MySQL: complex queries, joins, parameterized updates, temporary tables, bulk imports, deduplication,
data validation, triggers, stored procedures.
✓ Linux / AWS: service deployment, Moodle hosting, external access configuration, troubleshooting, security updates.
✓ Moodle: full deployment, course migration from EDX, user import via CSV, question-bank processing, plugins,
reporting, exports.
✓ CRM: multi-client administration, user management, configuration, workflow support.
✓ Python: automation scripts, Telegram publishing workflow, AI-assisted internal application development.
✓ PHP: deployment and maintenance of a web service, vulnerability remediation and security hardening.

Education
Taras Shevchenko National University of Kyiv
Bachelor’s Degree, Institute of Biology, Department of Botany | 2011 – 2015

Languages
Ukrainian: Native
Russian: Native
English: B2