Why outsource Ruby talent for Square Loyalty Program Integration?
• Instant capacity. Skip lengthy recruitment cycles and tap a pre-screened pool of Square API specialists within 48 hours.
• Lower risk. Pay only for the skills and hours you need—no payroll, visas, or severance headaches.
• Proven quality. Every engineer passes code-challenge, architecture interview, and cultural fit checks.
• Focus on product. We handle HR, legal, and retention so your team ships features faster.
• Scalable. Scale squads up or down month-to-month to match promotion calendars or seasonal spikes.
• Cost clarity. One transparent hourly rate covers hardware, PTO, and local taxes.
Smartbrain acts as an extension of your engineering org, giving you senior Ruby developers experienced in POS, CRM, and payment loyalty flows—exactly when you need them.

Dar'ja Vedeneeva
IT/Programming

JavaScript,

Sass,

HTML,

Git,

gulp,

CSS,

TypeScript,

React

Maxim Smirnov
IT/Programming

React,

JavaScript MVC,

CSS,

Express.js,

MongoDB,

Meteor

Alexander Karamyshev
IT/Programming

Data mining,

Data Visualization,

Python,

google analytics,

Python Numpy,

SQL,

Tableau,

PostgreSQL

Sergey Ermakov
IT/Programming

Security audit,

Security consulting,

Linux Systems Administration,

Security testing,

Cloud Security Framework

IQWay
IT/Programming

PHP,

Bitrix24

Ezra Konstantin Gonciarou
IT/Programming

Git,

REST,

Unit Testing,

MySQL,

webpack,

ECMAScript,

JavaScript,

SQL,

Elasticsearch,

AWS,

Cassandra,

GitLab,

rest api,

React,

ETL,

Azure,

PyTorch,

Apache Kafka,

Data Warehousing,

Terraform,

ClickHouse,

Google Cloud Platform,

Tensorflow,

Kubernetes,

NLP,

pandas,

Grafana,

OAuth,

Machine Learning,

PCI DSS,

GraphQL,

SQLAlchemy,

FastAPI,

SSL,

Software Development,

AI,

DynamoDB,

LLM,

Heroku,

GitHub,

Django,

go,

Helm,

RabbitMQ,

Microservices,

GDPR

Alexander Drucker
IT/Programming

saas,

Software Engineering,

Data Warehousing,

Business Intelligence,

Software Development,

Agile,

Project Management,

Data Base Management,

Distributed Computing

Anton Vasilev
IT/Programming

Python,

asyncio

Giorgi Kakabadze
IT/Programming

IT Management,

Project Management,

Project planning,

Security audit,

PCI DSS,

Information Security Management System,

Security consulting,

Testing Framework,

Oracle,

DOS,

MySQL,

Autoit,

MSSQL,

C#,

.NET Framework,

Software Development,

CTOs

Oleg Stelmakhov
IT/Programming

C,

C#,

C++,

.NET Framework,

.NET Core,

Qt,

Qt qml,

ASP.NET,

ASP.NET MVC,

Azure,

ASP.NET Web API,

ArcGIS,

Software Development,

Project Management,

Team Lead

Maxim Subbotin
IT/Programming

MS SQL Developer,

MySQL Programming,

Delphi,

C++,

C#,

VBA,

JavaScript,

PHP,

Oracle PLSQL

Elkin Akhundzade
IT/Programming

JavaScript,

Git,

HTML5,

MySQL,

CSS3,

jQuery,

PHP

Dar'ja Vedeneeva
IT/Programming

JavaScript,

Sass,

HTML,

Git,

gulp,

CSS,

TypeScript,

React

Maxim Smirnov
IT/Programming

React,

JavaScript MVC,

CSS,

Express.js,

MongoDB,

Meteor

Alexander Karamyshev
IT/Programming

Data mining,

Data Visualization,

Python,

google analytics,

Python Numpy,

SQL,

Tableau,

PostgreSQL

Sergey Ermakov
IT/Programming

Security audit,

Security consulting,

Linux Systems Administration,

Security testing,

Cloud Security Framework

IQWay
IT/Programming

PHP,

Bitrix24

Ezra Konstantin Gonciarou
IT/Programming

Git,

REST,

Unit Testing,

MySQL,

webpack,

ECMAScript,

JavaScript,

SQL,

Elasticsearch,

AWS,

Cassandra,

GitLab,

rest api,

React,

ETL,

Azure,

PyTorch,

Apache Kafka,

Data Warehousing,

Terraform,

ClickHouse,

Google Cloud Platform,

Tensorflow,

Kubernetes,

NLP,

pandas,

Grafana,

OAuth,

Machine Learning,

PCI DSS,

GraphQL,

SQLAlchemy,

FastAPI,

SSL,

Software Development,

AI,

DynamoDB,

LLM,

Heroku,

GitHub,

Django,

go,

Helm,

RabbitMQ,

Microservices,

GDPR

Alexander Drucker
IT/Programming

saas,

Software Engineering,

Data Warehousing,

Business Intelligence,

Software Development,

Agile,

Project Management,

Data Base Management,

Distributed Computing

Anton Vasilev
IT/Programming

Python,

asyncio

Giorgi Kakabadze
IT/Programming

IT Management,

Project Management,

Project planning,

Security audit,

PCI DSS,

Information Security Management System,

Security consulting,

Testing Framework,

Oracle,

DOS,

MySQL,

Autoit,

MSSQL,

C#,

.NET Framework,

Software Development,

CTOs

Oleg Stelmakhov
IT/Programming

C,

C#,

C++,

.NET Framework,

.NET Core,

Qt,

Qt qml,

ASP.NET,

ASP.NET MVC,

Azure,

ASP.NET Web API,

ArcGIS,

Software Development,

Project Management,

Team Lead

Maxim Subbotin
IT/Programming

MS SQL Developer,

MySQL Programming,

Delphi,

C++,

C#,

VBA,

JavaScript,

PHP,

Oracle PLSQL

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