Олександр

Oleksandr Nikolaiev
Software Engineer

Contact information:
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Summary:
●​ 8+ years of professional experience in the Information Technology industry;
●​ A firm grasp of object-oriented and functional programming design concepts and patterns.
●​ Proficient in Python programming language and the common web development stack (Django,
Flask, SQLAlchemy, Gunicorn), as well as AWS CDK and AWS management libraries (boto3)
●​ Highly experienced in utilizing JavaScript programming language (for both front-end and backend
web development), particularly with platforms, libraries and frameworks like NodeJS, Express,
React, Vue.js, Angular, familiar both with the latest ECMAScript specifications and the
dialects/supersets like TypeScript and CoffeeScript
●​ Solid experience of usage and management of cloud services and products provided by Amazon
AWS
●​ Proficient in developing and maintaining Infrastructure-as-Code (AWS CloudFormation, Terraform,
Ansible)
●​ Familiar with CI/CD tools and processes configuration, management, support and troubleshooting
(Octopus Deploy, TeamCity, GitLab pipelines)

Work Experience:
VyOS Networks
Python Engineer​ ​ ​ ​ ​ ​ ​ Feb 2025 – Jun 2025
Zoop Inc.
Infrastructure (DevOps) Engineer​ ​ ​ ​ ​ Oct 2024 – Jan 2025
Binary Anvil Inc.
Infrastructure (DevOps) Engineer​ ​ ​ ​ ​ Jul 2024 – Oct 2024
Play’n’GO Malta, Inc.
Infrastructure (DevOps) Engineer​ ​ ​ ​ ​ Jan 2023 – Dec 2023
Play’n’GO Malta, Inc.
Full-Stack Software Engineer​​ ​ ​ ​ ​ Nov 2021 – Jan 2023
Play’n’GO Sweden AB
Full-Stack Software Engineer ​ ​ ​ ​ ​ Feb 2021 – Nov 2021
DataArt Solutions, Inc., (www.dataart.com)
Full-Stack Software Engineer ​ ​ ​ ​ ​ Oct 2019 – Jan 2021
ProBegin B.V.
Software (Python) Developer​​ ​ ​ ​ ​ Sep 2018 – Oct 2019
DataArt Solutions, Inc. (www.dataart.com)
Front-end Software Developer​ ​ ​ ​ ​ Sep 2016 – Aug 2018

References:
●​ Michael Vella, Infrastructure Department Team Lead @ Play’nGO, [відкрити контакти](див. вище в блоці «контактна інформація»)
●​ Oleksandr Snihovyi, Senior Architect, DevOps&Cloud CoC Lead @ DataArt US,
[відкрити контакти](див. вище в блоці «контактна інформація»)
Recently Completed Projects:

Free/Open-Source Operating System for routers:
Client:​VyOS Networks
Description:​ Primary responsibility consisted of participating in development and support of a
Debian gnu/Linux-based operating system designed for router hardware. Other objectives were
introducing the new features like VPP (vector-processed packets) traffic capabilities and designing
smart hardware resource limitation checks to ensure the device has enough CPU and memory
resources left to operate both VPP and in standard mode. Most of the software consisted of
complex Python scripts imposed over Debian base image.
Languages: Python 3, bash
Environments: Debian gnu/Linux, Proxmox, VyOS, vim
Position: Python Engineer
Activities:
●​ Developing new features and fixing known bugs found by the community
●​ Improving and refining the CI/CD processes and ISO image builds

AWS Infrastructure Support and migrating CloudFront endpoints to GCP
Client:​Zoop Inc.
Description:​ Primary responsibilities consisted of maintaining the corporate infrastructure
deployed to AWS, configuring and supervising monitoring of the public API using Amazon Grafana,
and introducing the Infrastructure-as-Code for consistency. Other objectives were migrating the
CloudFront endpoints to the Google Cloud using the global external application load balancer with
external backends pointing to the CloudFront endpoints and utilizing the Google Cloud CDN feature
Languages:​ N/A
Environments: AWS (Lambda functions, IAM, Identity Center, EKS, CloudFront), Terraform, GCP
(Compute Instances), Grafana
Position: Infrastructure (DevOps) Engineer
Activities:​
●​ Developing and maintaining Infrastructure-as-Code solutions
●​ Corporate cloud environment maintenance: developer teams support

Customer Websites deployments to Magento Cloud
Client:​Binary Anvil Inc.
Description:​ Primary responsibilities were performing and supervising the deployments of
customer websites to Magento Cloud environments using custom-built pipelines and utility scripts
(using rsync to merge two repositories with the production code and the master branch of repository
containing the latest development changes). Other responsibilities consisted of adjusting the staging
and production configurations of websites using Magento Admin interface.
Languages:​ bash
Environments: Magento Cloud, Debian gnu/Linux
Position: Infrastructure (DevOps) Engineer
Activities:​
●​ Developing and maintaining Infrastructure-as-Code solutions
●​ Corporate cloud environment maintenance: developer teams support
AWS Control Tower and accounts management
Client:​Play’nGO Malta Ltd.
Description:​ Primary responsibility consisted of supervising and managing the company’s product
cloud infrastructure and intorducing fixes and/or improvements based on the end user requests. The
infrastructure consisted of a multitude of accounts belonging to one AWS Control Tower managed
by IaC (Infrastructure-as-Code), mostly using Amazon CloudFormation. Other parts consisted of
CI/CD Tools (Octopus Deploy, TeamCity) and several custom automation solutions written in Python
[rogramming language and platform-specific shell scripting languages (Powershell/bash)
Languages:​ Python 3, bash, Powershell, YAML/JSON
Environments: AWS, Amazon CloudFormation, Terraform, Octopus Deploy, TeamCity
Position: Infrastructure (DevOps) Engineer
Activities:​
●​ Developing and maintaining custom utilities written in Python for AWS CloudFormation
templates generation
●​ Developing and maintaining Infrastructure-as-Code solutions
●​ Corporate cloud environment maintenance: developer teams support

Leaderboard for slot games system
Client:​Play’nGO Malta Ltd., Play’nGO Sweden AB
Description:​ The goal of the project was to maintain and develop the leaderboard plugin for
various slot games used by e-casinos. The leaderboard (set up as a promotion campaign) can be
created in a common casino management system with different conditions for it to appear (active
date, announcement dates, type of leaderboard, prizes etc.). The project consisted of 2 .NET Core
API applications, a NodeJS proxy server application mapping the requests to respective APIs and a
frontend for leaderboard built using React and TypeScript.
Languages: C#, Typescript, SCSS
Environments: NodeJS, Express, .NET Core, Orleans, React, Visual Studio, Bitbucket, Grafana,
Kibana, Octopus Deploy
Position: Software/DevOps Engineer
Activities:​
●​ Developing and maintaining leaderboard components, creating new markup
●​ Adding new features to the API services
●​ Maintaining and monitoring the CI/CD processes and VCS state

Unity-based application for 3D-visualisation of jaw bones
Client:​UK-based startup, via DataArt Solutions Inc.
Description:​ The goal of the project was to maintain and develop the application used by dentists
and dentist surgical robot operators that allows to control the robot via visualisation of the jaw bones
of the patient. The project consisted of Unity 3D application and C# ASP.NET Core APIs.
Languages: C#, NSIS, bash
Environments: Unity 3D, .NET Core, GitLab, Google Cloud Platform, Debian GNU/Linux, macOS
Position: DevOps engineer
Activities:​
●​ Configuring the GCP Compute Engine virtual machines as build servers;
●​ Configuring semantic versioning for the build artifacts;
●​ Managing build artifacts storage;
●​ Creating scripts for automated generations of custom installation packages for Windows and
macOS;
●​ Monitoring and reacting to possible client data security breach incidents
Insurance Quoting Platform
Client:​US-based insurance company, via DataArt Solutions Inc.
Description:​ The goal of the project was to maintain and develop additional features for a
web-platform designed for insurance agents to collect data about the property, calculate risks,
create and manage quotes and policies. The project consisted of web.py application with
server-rendered pages and Knockout.js front-end, which performed AJAX requests to server-side
part and to third-party APIs to get the calculations. The registered agents could create and manage
the policies they created, the users with elevated rights (administrators) could create and manage
all the policies, quotes and partner companies.
Languages:​ JavaScript, Python
Environments:​ Web.py, MySQL, Knockout.js, jQuery, PyCharm, Amazon Workstations
Position:​ Software Developer
Activities:​
●​ Front-end and back-end web development;
●​ Designing the interaction of applications and API;
●​ Custom components library enhancements;
●​ Communications with the client;

Production and In-Store Goods Dashboard
Client:​The Netherlands-based curtain manufacturing company, via ProBegin B.V.
Description:​ The project was developed for automating the processes on the curtain
manufacturing factory. It consisted of separate applications sharing one database. The primary
application was a web-based application to manage the current stock of ready production and
orders written in Django. The other applications were a client application for RaspberryPi
workstations, which were used to operate various factory machines written in Python + Tkinter and
an application for handheld barcode scanners running Android written in Ionic framework.
Languages: JavaScript, TypeScript, Python
Environments: Django, Ionic, jQuery, Tkinter, MS SQL, Docker, Bash, Cypress, PyCharm
Position: Software Developer
Activities:​
●​ Front-end development, back-end development, GUI development and support;
●​ Implementing integration & e2e (end-to-end) tests;
●​ Database optimization and support;
●​ Investigating and fixing issues;
●​ Implementing new features/enhancements;
●​ Implementing JavaScript validation on both ends - in the CMS and for the end-user-facing
forms;
●​ Communication with the team members on the client-side (business analyst, project
manager, developers).
OS Performance Measurement Dashboard
Client:​US-based IT services provider, via DataArt Solutions Inc.
Description:​ The aim of the project was to develop a dashboard which aggregates the data from
the client machines in the network and displays the charts with overall CPU and hard-drive
performance and acts as a plugin for a third-party system administration dashboard.
Languages: JavaScript, Ruby
Environments: RubyMine, Vue, Ruby on Rails, ChartJS
Position: Software Developer
Activities:​
●​ Creating the front-end application from scratch for the dashboard;
●​ Helping the back-end developer in developing the RoR API;
●​ Troubleshooting and addressing server issues.
Certifications:
Amazon AWS:
●​ AWS Certified Cloud Practitioner (CLF-C02), expires in November 2025
●​ AWS Certified Developer — Associate (DVA-C02), expires in July 2026

Skills:
Programming and Markup Languages:
●​ JavaScript
●​ TypeScript
●​ Python
●​ CSS
●​ HTML
●​ YAML

Technologies and Frameworks:
NodeJS, Express, Angular, AngularJS, Backbone.js, Bootstrap, Django, Flask, Google Maps, Ionic, jQuery,
OAuth, React, Redux, Vue, Python AWS CDK, boto3

Databases: MongoDB, MySQL, PostgreSQL

Testing Environments: Karma + Jasmine, Chai + Mocha, Cypress

Infrastructure-as-Code and management tools: AWS CloudFormation, Terraform, Ansible

Development Environments: VS Code, WebStorm, Mac OS, Linux, Ubuntu, VMWare, Virtualbox,
Postman, Docker, docker-compose

Continuous Integration and Repository Management: TeamCity, Octopus Deploy, GitHub Actions,
GitLabCI, TravisCI

Bug Tracking Systems: Jira

Source Version Control: Git (including graphical tools), SVN