devise_masquerade
Extension for devise, enable login as functionality. Add link to the masquerade_path(resource) and use it.
Ruby
359
35
tomato-app
JavaScript
51
4
Alexandr
Mentor
Rising Codementor
US$10.00
For every 15 mins
ABOUT ME
Software Developer
Software Developer
I am Alexandr Korsak, a senior software engineer with 15+ years of experience across platform engineering, data, backend and full-stack systems. My work includes GitHub projects at github.com/oivoodoo and products at balconygames.com. At Blastworks I worked with 10M+ events/day using AWS, Docker, Ansible, CI/CD, PostgreSQL, Python and Go, plus JavaScript/TypeScript. I am based in Barcelona, work remotely in the EU timezone, and can accommodate the required overlap with Pacific Time.
Russian, English
Madrid (+02:00)
Joined March 2014
EXPERTISE
10 years experience
10 years experience
10 years experience
5 years experience
10 years experience
10 years experience
REVIEWS FROM CLIENTS
Alexandr's profile has been carefully vetted and approved as a Codementor. Connect with Alexandr now, and leave a review for them once you're done!
SOCIAL PRESENCE
726 Reputation
0
7
23
EMPLOYMENTS
Full Stack Developer
Gamehouse | Real Networks
2012-12-01-2026-01-01
- Full Stack Developer
- Built and optimized ad platform for mobile devices using Ruby (Rails, Sinatra)
- Developed dynamic...
- Full Stack Developer
- Built and optimized ad platform for mobile devices using Ruby (Rails, Sinatra)
- Developed dynamic front-end with AngularJS for seamless user interactions
- Implemented high-performance data solutions using MongoDB and Redis
- Enhanced platform scalability and real-time ad delivery capabilities
- Develop high-load application (pixel) to collect the data from the mobile game and cross promotion advertisements - Skills: Product Development · Ruby on Rails · Go · Team Management · Apache Kafka · Programming · React.js · DevOps
Ruby
Python
MongoDB
View more
Ruby
Python
MongoDB
PostgreSQL
Redis
JavaScript
Native Apps
Golang
Analytics engineering
DevOps
View more
Lead Developer
Blastworks Inc.
2015-12-01-2025-12-01
- Lead Business Intelligence Engineer
- Big data analytics initiatives and ETL processes
- Microservices for anal...
- Lead Business Intelligence Engineer
- Big data analytics initiatives and ETL processes
- Microservices for analytics
- DevOps and site reliability engineering
- Live operations for analytics systems
- Expertise in data pipeline architecture and optimization
- Reduced EMR costs by improviing the queries, spot instances and efficient
- Microservices for analytics
- DevOps and site reliability engineering
- Live operations for analytics systems
- Expertise in data pipeline architecture and optimization
- Reduced EMR costs by improviing the queries, spot instances and efficient ETL
- Skills: Team Management · Apache Kafka · Apache Hive · Programming · Big Data · Amazon Web Services (AWS) · DuckDB · Amazon Elastic MapReduce (EMR) · Data Analytics · DevOps
Python
Linux
JavaScript
View more
Python
Linux
JavaScript
AWS EMR
Golang
DevOps
AWS
View more
Full Stack Developer
Yardstick
2012-07-01-2013-07-01
- Full Stack Developer - Learning Management System (LMS)
- Developed and maintained LMS using Ruby on Rails and AngularJS
...
- Full Stack Developer - Learning Management System (LMS)
- Developed and maintained LMS using Ruby on Rails and AngularJS
- Implemented database solutions with MongoDB, MySQL, and PostgreSQL
- Optimize system performance
- Deployment to the client infrastructure - Skills: Ruby on Rails · AngularJS · Redis · Programming · PostgreSQL · DevOps
Ruby
Ruby on Rails
MySQL
View more
Ruby
Ruby on Rails
MySQL
Angular
PostgreSQL
Redis
React
JavaScript
Golang
DevOps
View more
PROJECTS
Game AnalyticsView Project
Me
2020
https://github.com/balconygames/balconygames-api
https://github.com/balconygames/balconygames-api
PostgreSQL
Redis
Ansible
View more
PostgreSQL
Redis
Ansible
Golang
Vue.js
DevOps
View more
Balconygames | Apps | GamesView Project
2022
Balcony Games is a personal laboratory for digital creativity. It’s where I spend my free time designing, coding, and polishing the apps ...
Balcony Games is a personal laboratory for digital creativity. It’s where I spend my free time designing, coding, and polishing the apps and games I’ve always wanted to play. Built from the ground up, one line of code at a time.
Ruby
React
Elixir
View more
Ruby
React
Elixir
JavaScript
React Native
Defold
Golang
Supabase
Unity
View more