Oleksij

CURRICULUM VITAE

Oleksii Nechytailo
Location: Kyiv
Phone: [открыть контакты](см. выше в блоке «контактная информация»)
Email: [открыть контакты](см. выше в блоке «контактная информация»)
Telegram: https://t.me/lesyk_n
[открыть контакты](см. выше в блоке «контактная информация»)

Programming skills and experience:
​Python (FastAPI, Flask, AIOhttp, Django, PySide [PyQt], Trafaret, Pydantic, Pytest,
Pygame, Kivy), GraphQL, gRPC, PostgreSQL, MySQL(MariaDB),SQLite,
SQLAlchemy(ORM, core), Boto3, RabbitMQ, Redis, Elasticsearch, MongoDB,
PostGIS, Rasterio, GTiff, Rasterio, Mercantile, Gdal, Git, Docker, Podman, compose,
Grafana, ELK, AWS(DynamoDB, SQS, ElasticService, RDS), CI(Jenkins, Bitbucket
pipelines, Drone, GitAction)
​Rust (Tokio, Serde, Sqlx, Axum):
-​ Development of web services and backend systems using asynchronous (concurrency) Rust.
-​ Experience with Linux driver development and low-level systems programming.
-​ Implementation of multithreaded and concurrent architectures for high-performance applications.
​JavaScript (ES6), jQuery, Phaser JS, HTML, CSS
​experience in Linux: using now Fedora, Ubuntu / Debian (IBM/ARM)
​SSH, Bash, Selenium, Robot Framework, Postman, Swagger(OpenAPI), K3s
​C/C++, QT (QT Widget, QtQuick (QML), BOOST/STD, OATpp, Crow, FFmpeg, and
GStreamer, openCV, Cmake, MavSDK, SITL, knowledge of C#, Java, Lua. STM32
(FreeRTOS), Atmel, Arduino, Raspberry Pi, NVIDIA Jetson, Orange Pi, RKNN, Radxa
Rock.
​Implemented ML/AI-assisted development workflows:
-​ Using LLM/AI assistants for boilerplate code generation, refactoring, debugging, code review, and
test generation and technical documentation
-​ Automating log analysis and routine engineering tasks using AI tools (openclaw, flowise)
-​ Integrating AI APIs and LLM-powered features into internal services and workflows, and prompt
engineering for technical and business cases
-​ Building and using AI agents for software development and business automation tasks
-​ Experience with local LLM (Ollama) deployment and inference workflows for development,
analytics, and privacy-focused business solutions and workflows using Python/Rust, message queues,
and vector/search (RAG) systems
EMPLOYMENT HISTORY
2024 –, M-IT(SOFTHOUSE), Python BE developer.
Technology stack: Python 3, Aiohttp, FastAPI, Flask, PostgreSQL, MySQL,
SQLAlchemy, Alembic, AWS (EC2, RDS, S3, ECS, SQS, DynamoDB), Pytest, Grafana.
Developed caller ID, Admin API, and Analytics API services using a microservices
architecture.
Responsible for designing and maintaining backend services, including caller ID
functionality implemented within a distributed microservices system.
Refactored and maintained legacy codebases, improving performance, readability, and
system stability.
Managed deployment processes across production and staging environments.

2023 – 2024 Raindorf LLC, Software Developer
Technology stack: Python3, FastAPI, Flask, OpenCV, GStreamer, PySide, Qt, Rasterio,
GTiff, Mercantile, GDAL, ImageMagick, PIL,
C++, Boost, Crow, Asio, Cmake, FFmpeg, RKNN, MavSDK, UDP/RSTP, Websocket…
Responsible for developing and implementing new features, handling and processing
geodata, and enhancing automation and autonomous control systems. Developed a
video streaming service and multi-threaded/multi-process web services.
​
2023, Ragnarok LLC, Technical Lead at Basis.ua
Technology stack: Python3, Odoo, Django, PostgreSQL, SQLAlchemy, Alembic,
VanillaJS.
I coordinate a team of developers, focusing on designing and implementing
high-performance solutions and data migration. I am responsible for architectural
planning, development, and software optimization. I manage two junior developers and a
DevOps specialist, effectively executing projects on the AWS platform while ensuring
system reliability and scalability.
2020 – 2023 Ocean.io, Python BE developer.
Technology stack: Python3, Aiohttp, Trafaret, PostgreSQL, Redis,
RabitMQ, Elasticsearch, Pytest(Xdist), Docker, Docker-compose,
Developed services for context vector search using a microservices architecture.
Refactored legacy code and designed search queries for Elasticsearch.
Responsible for the deployment of the product and other environments.

2019 - 2020 Dimdim.ua, Python BE developer.
Technology stack: Python 3, Django, PostgreSQL, PostGIS, Scrapy, Pytest,
Elasticsearch, Celery, Docker, Docker-compose, Airflow, Gitlab, PostGIS
Developed a geodata service and a development pipeline for the moderation admin
panel. Implemented and deployed a new geo area, adding search queries and filters.
Refactored and maintained legacy code, fixing bugs in the existing system.
Responsible for deploying products to production and other environments.

2019– Nextiva Corp., Python BE developer.
Technology stack: Python 3, Pyramid, AsyncIO, PostgreSQL/SQLAlchemy (core),
Ansible, Elasticsearch, Pytest, Docker, Docker-compose, Kubernetes, AWS
Developed a data service for temporal data.
Refactored legacy code to use asyncio and migrated SQLAlchemy ORM to SQLAlchemy
Core for asynchronous operations.
Maintained and fixed bugs in the legacy Pyramid-based codebase.
Responsible for deploying products to production and other environments.

2018 – 2019 – Programmer / Engineer (Python BE developer, Prozorro project), IT
Vaan LLC
Technology stack: Python 2/3, Pyramid, AsyncIO, Flask,
PostgreSQL/SQLAlchemy(code), docker, docker-compose, CouchDV, MongoBD.
Maintained and fixed bugs in the legacy code of the Prozorro project.
Developed REST API for the Ukey project.

2017 – 2018 – Programmer / Engineer (Python, JS, C++), Brightfield LLC.
Technology stack: Python3, Bash, PyQt, Python Kivy, Celery, Flask, C++.
Developed a control system for medical endoscope reprocessing machines,
implementing real-time code with Celery and GUI using PyQt and Python Kivy.
Developed an analytic service (backend and frontend) using Flask and Jinja2—designed
and implemented microcontroller firmware in C++.

2016 – 2017 – Programmer / Engineer (Python, JS), National University of
"Kyiv-Mohyla Academy"
Technology stack: Python3, Bash, MySQL, SQLAlchemy, Flask, Jinja2, JS, and CSS.
Migrated a MySQL database and maintained a legacy application.
Refactored the UI of a university website.
Developed a reporting service.

2014 – 2016 – Web developer (freelance), programming controller and robotic toys
Technology stack: Python 3, Django, SQLAlchemy, JQuery, HTML, CSS, Bash,
QTQuick, C++, FreeRTOS, STDLIB
Developed microcontroller firmware for toys in C++, implementing real-time code with
FreeRTOS.
Developed an e-commerce website for Top-Mob.
Developed a website for the children's club Klyuchik (klyuchik.kiev.ua).
Developed an e-market website for Bruni (bruni.com.ua).

2013 – 2015 – “Dux” Design Company, Printing technologist, CNC machine designer
2012– LLC "HORN" – Director
2009 – 2011 – “Panasyuk Company”, Executive manager
2008 – 2009 – “Inform-business Company”, Graphic designer
2008 – Advertising company “Apelsin”, Graphic designer
2007 – 2008 – Production Company, CNC machine operator
2006 – 2007 – Creative Association “SIM”, Sound engineer

EDUCATION
2002 – 2007 – Dragomanov National Pedagogical University; Geographic teacher,
biologist, manager of tourism, and a local lore work
Additional Education
2006 – Training course in Training and Information Center 3D Design and Modeling
2013 – Training course in Training and Information Center "Uspih": HTML, CSS,
JavaScript, PHP
2014 – training course in Training and Information Center "Perspective XXI":
C/ C++, OOP, STL 2015 – Training course in Training and Information Center “Main
academy” Python programmer
2017 – Training course in Training and Information Center “MAUP”: Java SE