Олександр

RESUME

Oleksandr Konyk
Middle Python Backend Developer | Cybersecurity Analytics | Automation

[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | t.me/Sunchino | github.com/SanKon228 | LinkedIn | Kyiv, Ukraine

HIGHLIGHTS

3+ years in Python backend development, cybersecurity Built and hardened Django/PostgreSQL systems for security-
analytics, and automation. data workflows.

Automated OpenCart operations, Telegram bots, and n8n Worked daily with Python, Django, asyncio, PostgreSQL, Linux,
workflows. and Docker.

TECH STACK

CORE Python, SQL, asyncio, OOP, automation, data processing

SECURIT Y OSINT, FOFA, security hardening, technical reporting

BACKEND Django, Django Channels, REST APIs, WebSockets, aiogram

DATA PostgreSQL, MySQL, SQLite, MongoDB

TOOLS Linux, Docker, Git, pytest, n8n

EDUCATION

Taras Shevchenko National University of Kyiv
Master's degree in Computer Mathematics
Completed

LANGUAGES

English: B2
Ukrainian: Native
Japanese: A1

SUMMARY

Middle Python Backend Developer with 3+ years of experience in cybersecurity analytics, backend development, and workflow automation.
At Hold Security, developed and hardened Django/PostgreSQL systems for security-data ingestion, normalization, publication, and search.
Also automated client workflows with OpenCart integrations, Telegram bots, and n8n.

EXPERIENCE

Cybersecurity Analyst / Python Backend Developer - Hold Security 3 years
Developed and maintained two connected Django systems for importing, publishing, and searching security datasets.
Designed a staged data pipeline with validation, normalization, indexing, atomic publication, resume, and rollback capabilities.
Built backend APIs and real-time updates with Django, PostgreSQL, Channels/WebSockets, and LISTEN/NOTIFY.
Strengthened authentication, CSRF and origin checks, SQL parameterization, allowlists, safe file handling, and advisory locking.
Integrated Svelte/TypeScript interfaces and automated tests for secure, reliable data workflows.
Used FOFA and OSINT research to validate exposure and support analytical workflows.

Python Teacher - GoITeens / IT Future School 1 year
Taught Python fundamentals, OOP, data structures, algorithms, and basic web development.
Prepared lesson materials, code examples, exercises, and student projects.
Helped students debug code and build working Python applications.

Technology QA Intern - Ajax 3 months
Worked with MySQL, pytest, Linux, Git, and Python automation in QA tasks.
Wrote test cases, debugged issues, and supported delivery workflows.

Freelance Python Developer Project-based
Helped clients automate e-commerce and operational processes with OpenCart integrations, Telegram bots, and n8n workflows.
Built Python, aiogram, asyncio, API, and database integrations for notifications, order and data handling, and repetitive tasks.

PROJECTS

Security Data Platform - Hold Security
Django, PostgreSQL, Channels, Svelte, TypeScript
Built backend architecture for secure data import, normalization, publication, indexed search, WebSocket updates, and recoverable
operations.

Workflow Automation
Python, OpenCart, aiogram, n8n, REST APIs
Automated e-commerce and team workflows with OpenCart integrations, Telegram bots, notifications, API connections, and n8n
processes.
GitHub repository

Event Manager API
Django, PostgreSQL, Celery, Redis, Docker
Built an event-management API with authentication, background jobs, and email reminders.
GitHub repository

Django + React SPA
Django, React, PostgreSQL, Docker
Built a full-stack application with API authentication and persistent data storage.
GitHub repository