Summary

Expertise

Project Highlights

Education

Agency

VL

English:

Advanced

Vadim L.

vetted by Youteam

Vetted by YouTeam

Germany

UTC +01:00

Europe/Berlin

English:

Advanced

Senior Web Developer with experience in Ruby, Ruby on Rails, and JavaScript

Certified Ruby developer with 6 years of experience in application web development using Ruby on Rails and plain Ruby. Experience in various stages of software development life cycle including requirements analysis, design, development, deployment, and testing, with extensive knowledge in application development of various business applications. Experience in leading teams and mentoring junior developers. Experienced in the deployment of applications in Heroku and GCP. Excellent communication skills with proven results in meeting aggressive timelines and working independently and as a coherent team member.

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Expertise

Years of commercial development experience

6 years of experience

Core technologies

Ruby 6 years
Ruby on Rails 6 years
PostgreSQL 6 years
JavaScript 5 years
Vue.js 4 years
Elasticsearch 5 years

Other technologies

CoffeeScript
Heroku
jQuery
MySQL
Git
JSON
Redis
RESTful API
Sidekiq

Project Highlights

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Senior Software Engineer

Communication platform for Healthcare

Hospitals and Health Care in the USA

The platform connects patients and doctors/hospitals and gives them an opportunity to communicate via internal chat (including configurable chatbots), exchange documents, schedule visits, and virtual calls, create and fill forms and assessments, and many other features.

Responsibilities & achievements

• Porting the legacy app to the new architecture; • Introducing new API endpoints with Protobuf; • Covering code with unit tests (Rspec); • Bug fixing (Rails + Vue).

MySQL
Ruby on Rails
Git
RSpec
Sidekiq
Vue.js
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Senior Software Engineer

Traffic exchange platform

Traffic company from Estonia

The platform allows website owners to buy traffic for their websites and sell traffic from them.

Responsibilities & achievements

- Introducing new product (stickers and banners) FE + BE + AA; - Introducing new API endpoints; - Optimizing ElasticSearch queries; - Covering unit tests (Rspec); - Bug fixing.

jQuery
MongoDB
Ruby on Rails
Elasticsearch
Redis
RSpec
Sidekiq
Docker
SCSS
ActiveAdmin
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Senior Software Engineer

Visitdays

Educational platform from the USA

The platform that helps colleges and universities meet prospective students domestically and internationally (managing faculties, teachers, and students, scheduling virtual and in-person events, and integrations with multiple services).

Responsibilities & achievements

• Introducing new API endpoints for FE SPAs; • Implementing SSO via different apps; • Optimizing database structure and query; • Implementing SMS and mailers; • Checking in with QR codes; • Doing unit tests (Rspec).

Ember.js
Heroku
PostgreSQL
Ruby on Rails
Git
JSON
Redis
RSpec
Sidekiq
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Senior Software Engineer

Pixie

The practice management software for accounting firms.

Responsibilities & achievements

• Scheduling and delaying job implementation; • Exporting/importing CVS data; • Creating dynamic mailer templates with placeholders; • Leading the development team.

AWS
PostgreSQL
Ruby on Rails
Redis
RSpec
Sidekiq
Vue.js
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Senior Software Engineer

GeniusU

GeniusU connects entrepreneurs from all over the world. It is a combination of a social network and an educational platform that has a bunch of psychological tests and training courses. Helps to create groups and find events and training sessions for entrepreneurs around the world.

Responsibilities & achievements

• Integrating Salesforce CRM; • Stripe and Braintree payment systems; • Resolving high latency requests; • Optimizing database structure and queries; • Mentoring team members.

CoffeeScript
Heroku
jQuery
PostgreSQL
Ruby on Rails
Salesforce
Git
HAML
Redis
RSpec
Sidekiq
SCSS
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Full-Stack Developer

System for creating surveys

System for creating surveys where admin can create surveys with competitive steps relations. The system generates reports with charts and calculations for users and admin after finishing the survey.

Responsibilities & achievements

• Designing the app architecture; • Designing the DB architecture; • Setting up Heroku deploys and CI/CD; • Implementing new functionality; • Creating unit and acceptance tests (Rspec + Capybara).

Heroku
jQuery
PostgreSQL
Ruby
Git
HAML
Redis
RSpec
Capybara
Sidekiq
SCSS

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Vadim is available