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Sergey S.
Last update: 16 Oct 2019
SENIOR /team lead
Software/Big Data Engineer
I am a software engineer with strong development experience. My best opportunity is to design an efficient product architecture and provides the best solution for a client.
My overall industry experience is over 6 years. I had a chance to take part in different software projects. I have experience with developing distributed high-load systems, service designing, feature planning, issues detection and creative solving them, database design and implementation.
My favorite tasks are about design and development distributed services, implementation of algorithms, solving complicated project-specific issues in the Big Data sphere.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+2 East Europe
Kharkiv, Ukraine

EXPERIENCE

Industry Experience

Information services & Technologies, Mapping & Navigation, Big Data

PORTFOLIO HIGHLIGHTS

Jan `18 – Oct `19

1 year

Satellite imagery processing platform

Tech Lead

- Architecture design - Requirements gathering and negotiation - Decision-making - Establishing development processes - Feature implementation - Code refactoring - Fixing bugs - Code review

European/US companies

The customer is big provider for precision agriculture services. Main goal of this was to build a data processing pipeline for delivery daily satellite imagery for farmers fields.

Technologies Stack:

Azure Kubernetes Python Spark Apache Kafka Elasticsearch Microservices

Industry:

Information services & Technologies, Mapping & Navigation, Big Data

Aug `17 – Dec `17

4 months

Chat platform support

Software Engineer

- Fixing bugs - Code development - Code review - On-call support

European/US companies

The main goal was to take over a chat platform from a customer team and provide developer support for it. Chat platform is a group chat, file sharing, video chat & screen sharing built for teams & business.

Technologies Stack:

AWS Python Microservices

Dec `16 – Jul `17

7 months

ETL data process

Software Engineer/Tech lead

- Decision-making - Code development - Setup CI - Deployment - Code review - Fixing bugs

European/US companies

The main goal was to setup a service (based of Airflow framework) for gathering data from different sources (mostly MongoDB and AWS S3), normalizing and processing it and then store into the company’s data warehouse (based on Apache Hive hosted in AWS Cloud)

Technologies Stack:

AWS Python Hadoop

Sep `16 – Nov `16

2 months

OpenStack Murano

Software Engineer

- Gathering of the requirements - Decision-making - Development Murano application validation tool - Integration with Murano service - Fixing bugs

Murano is an open source OpenStack project that combines an application catalog with versatile tooling to simplify and accelerate packaging and deployment of cloud-based applications. The Service is able to orchestrate complex circular dependent cases in order to setup complete environments with many dependent applications and services.

Technologies Stack:

OpenStack Python

Dec `15 – Aug `16

8 months

OpenStack Fuel

Software Engineer

- Fixing bugs - Gathering of the requirements - Decision-making - Feature architecture design - Feature implementation - Refactoring of the code - Code review

Fuel is an open-source tool that enables you to provision multiple OpenStack environments easily and quickly, as well as manage your environments after deployment. Fuel brings consumer-grade simplicity to streamline and accelerate the otherwise time- consuming, often complex, and error-prone process of deploying, testing and maintaining various configuration flavors of OpenStack at scale.

Technologies Stack:

Linux PostgreSQL Python Ruby Docker RPC

Sep `14 – Nov `15

1 year

OpenStack Refstack

Software Engineer/Technical lead

- Community communication - Requirements gathering and negotiating - Decision-making - Establishing development processes - Architecture design - Feature implementation - Code refactoring - Fixing bugs - Code review

RefStack intends on being the source of tools for interoperability testing of OpenStack clouds. RefStack provides users in the handy tools that help to verify interoperability of their cloud with other OpenStack clouds. It does so by validating any cloud implementation against the OpenStack Tempest API tests.

Technologies Stack:

MySQL Python Angular 2x Docker

Dec `13 – Aug `14

8 months

File backup service

Software Engineer

- Designing service REST API - Requirements gathering and negotiation - Decision-making - Implementation of REST API - Refactoring of the code - Implementation of RBAC system - Fixing bugs

US company

The aim of this project was to implement backups of hardware storage systems into OpenStack/AWS clouds and provide access to these backups through web UI

Technologies Stack:

AWS MySQL Python Tornado ZeroMQ

Sep `13 – Nov `13

2 months

OpenStack Manila

Software Engineer/Technical writer

- Gathering of the requirements - Describing service API - Writing admin and operation guides

Manila is the file share service project for OpenStack. Manila provides the management of file shares for example, NFS and CIFS as a core service to OpenStack. Manila currently works with NetApp, Red Hat storage (GlusterFS) and EMC VNX, as well as on a base Linux NFS or Samba server.

Technologies Stack:

Python XML DocBook

Feb `13 – Oct `13

8 months

Openstack Heat

Software Engineer

- Fixing bugs - Implementing features - Code refactoring

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.

Technologies Stack:

MySQL Python RabbitMQ

EDUCATION

V. N. Karazin Kharkiv National University, Ukraine

PhD in Theoretical physics

Data science and Blockchain agency #576

10-50
Kharkiv, Ukraine
GMT+2

Industries

Banking & Finance, Advertising & Marketing, Statistics & Atalytics, Blockchain & Cryptocurrency, Data Science & Machine Learning, Big Data

Quantum develops solutions with complicated architecture from scratch. Quantum serves world leaders like Rubicon Project, Nutanix, UCB, etc.

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