Position: Lead/Senior Elixir developer
Category: Ruby
English level: upper
Years of experience: 10

Contact Center Management System,
High-load (~10k rps) Ticketing Service
Healthcare-related API services
Education-related API services
Gambling-related services
CRM-systems
HBM Ltd (Prpellminds) (2021-2022)
Position: Senior Elixir Developer
Technologies: Elixir, Oban, PostgreSQL, Absinthe

NCube Ltd (2021)
Position: Senior Elixir Developer
Technologies: Elixir, Google Protobuf, Kafka, Broadway, Absinthe, Phoenix, PostgreSQL

Elixirator (2020-2021)
Position: Senior Elixir Developer / Mentor
Projects: GraphQL API for CRM system,   Phoenix Backend for HR-tool.
Responsibilities: Development of the API, Mentoring. 
Technologies: Elixir, Phoenix, PostgreSQL, Absinthe. 

StrongSD GmbH (2020)
Position: Senior Elixir Developer
Project: REST API service for trading application.
Responsibilities: Design system architecture, support the existing codebase.
Technologies: Elixir, Phoenix, PostgreSQL.

Very Big Things, LLC ("VBT") (2019)
Position: Senior Elixir Developer
Project: GraphQL API service for electronic education system.
Responsibilities: Database design, API design, backend implementation from scratch, contribution to company standards. 
Technologies: Elixir, Absinthe, Relay, PostgreSQL.

Starbuildr LLC (2017 – 2019)
Position: Senior Elixir Developer
Project: Healthcare API service.
Responsibilities: Database design, messages API design, development of notifications layer, integration with ElasticSearch, implementation of advanced logging system, system design to met GDPR, OWASP recommendations and users health data processing requirements.
Technologies: Elixir, Phoenix, Absinthe, Gettext, PostgreSQL, ELK-stack, MongoDB.

Derivco LTD (2017)
Position: Elixir Developer Level 2
Project: Gambling-related services
Responsibilities: Support of exiting backend for bet-processing service, taking part in building a new service for bets-validation, writing and support of unit-tests, active teamwork.
Technologies: Elixir, Cowboy, Maru, Mnesia, RabbitMQ.

Starbuildr LLC (2016 – 2017)
Position: Senior Elixir Developer
Project: Survey platform backend.
Responsibilities: Database design, API design, backend implementation from scratch, localization, integration with social networks, integration with Intercom, writing templates.
Technologies: Elixir, Phoenix, Gettext, GenStage, JSON-API, MySQL.

Adoriasoft LLC (2016)
Position: Elixir Developer
Project: JSON-API service for healthcare E-Forms
Responsibilities: Support and modification of exiting backend  codebase, API development, modification of project database, communication with team.
Technologies: Elixir, Phoenix, JSON-API, MySQL.

Provectus IT (2015-2016)
Position: Senior Software Developer