AC
Ukraine
UTC+02:00 (Europe/Kiev)
Aleksandr C.
Principal Engineer/Solution architect
Higher Education Computer Science
$109K$98,000/YEAR
10% discount on yearly basis
All rates are indicative, annual rate includes 10% discount
$9,100/MONTH
$54/HOUR

Expertise

Core technologies

Python 10 years
C 10 years
OpenStack 10 years
SQL 10 years
Linux 10 years
AWS 10 years

Other technologies

Agile
Apache
Azure
Django
Flask
JavaScript
JIRA
Kubernetes
MongoDB
MySQL
.NET
PostgreSQL
Embedded C
Embedded Linux
Git
Go
Nginx
Redis
Scrum
Vertica
Docker
MSSQL
Kanban

Portfolio Highlights

Apr `19 – Nov `19
7 months

Framework for managing ETLs

The framework for Data Engineering teams for building and deploying ETLs for big retail company. ETL sources: real-time event streams, different RDBMS, files on blob storages. The ETLs target - Data Vault on Vertica. DV modeling was a part of project’s scope.

Architect, Tech lead

AWS
Python
Apache Kafka
Vertica
Nov `18 – Apr `19
5 months

Near-real time telemetry data processing

Collecting and storing telemetry from agrotech IoT devices. Building a processing pipeline for handling up to 12K telemetry messages per second with a delay less than 5 minutes.

Architect, Developer

Creating a MVP version of the pipeline

Apache
Azure
Python
Geographic Information System (GIS)
Nov `17 – Nov `18
1 year

Prescription generation for different agriculture tasks (fertilizing, liming, etc)

Development an orchestration system, that fetches data from different sources (AWS S3, different RDBMS, files, 3rd party APIs) and uses APIs for systems, that generates predictions for crop yields and soil state at specified field, based on math and ML models for generation vehicle-friendly prescriptions files, that can be executed by harvester or tractor. Implementation of new math models was a part of the project’s scope.

Architect, developer

Azure
Django
Python
Celery
Jul `17 – Nov `17
4 months

Predictive maintenance system

A system, that should filtrate real time telemetry messages from agritech vehicles and notify maintenance company if there is a risk of vehicle failure.

Tech lead, Developer

Azure
Flask
GIS
Python
Mar `16 – Jun `17
1 year

System for managing agritech IoT devices fleet

An integration of Azure IoT Hub with existing Django-based application for IoT device management.

Software Architect and later Tech lead

Azure
C
Django
Python
May `15 – Mar `16
10 months

MagnetoDB

Design and implementation of an open source analog of AWS DynamoDB as a part of OpenStack ecosystem. Setting up a whole project development pipeline (project proposals, specs discussion on Lauchpad, implementation and code review on Gerrit) was a part of a project.

Developer

Cassandra
OpenStack
Python
Apr `14 – Apr `15
1 year

Openstack Heat

Heat is the main project in the OpenStack Orchestration program. It implements an orchestration engine to launch and manage multiple composite cloud applications using a declarative template format. Heat provides both an OpenStack-native ReST API and a CloudFormation-compatible Query API.

Developer, team lead

Customizations for OpenStack Heat (an orchestrator for OpenStack) for customer’s needs.

OpenStack
Python
Jul `13 – Mar `15
2 years

CallMax

Implementation of class-5 VoIP softswitch, based on an open-source project. Implemented custom modular billing and routing subsystems, Web UI with customizable user roles for building traffic retail systems.

Team lead, developer, PM

Django
PostgreSQL
Python
Dec `10 – Dec `12
2 years

MediaCore

A class-4 VoIP softswitch engine for routing and billing up to 30000 concurrent calls with up to 1500 calls per second with average routing time about 0.002 seconds. The admin Web UI for the system was a part of this project.

Developer

JavaScript
.NET
Dec `09 – Nov `10
11 months

TimeBridge

A system for synchronization different calendars (Google calendar, MS Office calendar, etc). The scope of the project included: partial redesign of existing legacy code, integration with payment systems (PayPal, Stripe), integration with Google Calendar API, MS Office 362 API, implementation of custom plugin for MS Outlook (.NET).

Tech lead, Developer

Django
JavaScript
.NET
Python
Angular 1x
Celery
May `09 – Oct `09
5 months

A Web Service for personnel hiring

Adding an online Whiteboard for running code snippets for different programming languages. The scope of the project included the back-end with set of docker-based sandboxes, the API, the WebUI component for Whiteboard and integration with the main customer’s product.

Tech lead, Developer

Django
JavaScript
Python
Angular 1x
Docker

About me

Strong technology background and analytical skills. For the last 13 years, I have worked as a developer, Tech Lead, Team Lead, Architect, PM. I was involved in the development (architecture design, estimation and coding) of many medium to large software projects based on different platforms and technologies for customers from the USA, Canada and Europe. On those projects, I mainly worked with C, Python, IoT and BigData stack. Besides software engineering, my responsibilities included team management, architecture design, development management, technical consulting and defining technical solutions for the customer. Consulting activities covering Pre-Sale, Architecture Discovery and Assessment.

Data science and Blockchain agency #576

10-50
Kharkiv, Ukraine
GMT+2
Core Expertise
C++
Java
MongoDB
Python
React.js
React Native
Spark
Vue.js
TensorFlow
Hadoop
Industries
Banking & Finance, Advertising & Marketing, Statistics & Atalytics, Blockchain & Cryptocurrency, Data Science & Machine Learning, Big Data
Our develop solutions with complicated architecture from scratch. Our serves world leaders like Rubicon Project, Nutanix, UCB, etc.