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Vadim L.
Vetted by YouTeam
Canada
UTC -05:00
America/Toronto
English:
Advanced
Web Development | Ruby on Rails
Are you overwhelmed by complex and inefficient coding processes that hinder your web development projects? Allow me to alleviate your pain and streamline your development workflow. As a Senior Software Engineer with 7 years of experience, I specialize in simplifying and optimising coding practices. I understand the frustration of dealing with tangled codebases, slow performance, and maintenance headaches. By utilizing my expertise in Ruby on Rails and VueJS, I can provide elegant and efficient solutions that enhance productivity and scalability MY ACHIEVEMENTS: - Successfully facilitated the growth of the platform user base by over 850,000 users, resulting in a significant expansion of the company's reach and market presence - Implemented strategies that led to a remarkable 2.7x increase in trial clients and a 2.1x growth in paying clients, contributing to substantial revenue growth and customer acquisition - Played a pivotal role in securing £2.25 million in seed funding through effective presentations, showcasing the value and potential of the software solution, and convincing investors of its viability and market demand - Streamlined daily operations for the accounting team, resulting in a 31% reduction in the timeframe required to complete their tasks. This optimization allowed for increased productivity, improved efficiency, and cost savings for the company - Successfully led the development and launch of a mission-critical web application using Ruby on Rails, resulting in a 50% reduction in response time and a 30% increase in overall system performance. This achievement not only improved user satisfaction but also optimized server utilization, resulting in cost savings of $50,000 per year for the company REVIEWS: "Working with Gotoinc was an absolute pleasure. Their expertise in Ruby on Rails was evident throughout the project. Not only did they meet the deadlines, but they also provided valuable insights and recommendations to enhance the overall user experience. Their attention to detail, clean coding practices, and proactive communication made the collaboration seamless. We highly recommend Gotoinc for any web development project" Simon, CTO Healthcare project SKILLS: Ruby, Ruby on Rails, Sidekiq, RSpec, Capybara, Rubocop, Capistrano, Unicorn, Puma, Ruby gems JavaScript: JavaScript, CoffeeScript, TypeScript, jQuery, VueJs HTML/CSS: HTML5, HAML, ERB, CSS3, SCSS, Bootstrap Databases: PostgreSQL, MySQL, SQLite3, Redis, MongoDB, ElasticSearch Web servers: Nginx, Apache Cloud platforms: Heroku, DigitalOcean, AWS S3 VCS: Git (Github, GitLab, Bitbucket) Development approaches: TDD, BDD, Agile, Scrum Project tracking and management software: Jira, Notion, Monday, Trello, PivotalTracker, Gitlab Highlighted Skills: Ruby on Rails, JavaScript (VueJs, jQuery), HTML5/CSS3 (SCSS, Bootstrap), Databases (PostgreSQL, MySQL, SQLite3, Redis, MongoDB, ElasticSearch), Web Servers (Nginx, Apache), Cloud Platforms (Heroku, DigitalOcean, AWS S3), Version Control (Git, Github, GitLab, Bitbucket), Development Approaches (TDD, BDD, Agile, Scrum), Project Tracking and Management Last updated: November 25, 2024
Want to hire this engineer?
Check if Vadim is availableExpertise
Years of commercial development experience
8 years of experience
Core technologies
Other technologies
Project Highlights
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);
Traffic exchange platform
Traffic company from Estonia
The platform that allows website owners to buy traffic for their websites and sell traffic from them.
Responsibilities & achievements
- Introduced new product (stickers and banners) FE + BE + AA; - Introduced new API endpoints; - ElasticSearch queries optimization; - Unit tests coverage (Rspec); - Bug fixes;
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; - Implemented SSO via different apps; - Database structure and query optimization; - SMS and mailers implementation; - Check-in with QR codes; - Unit tests (Rspec);
Pixie
The practice management software for accounting firms
Responsibilities & achievements
- Scheduled and delayed jobs implementation; - CVS data export/import; - Dynamic mailer templates with placeholders; - Led the development team;
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
- Salesforce CRM integration; - Stripe and Braintree payment systems integration; - Resolving high latency requests; - Database structure and queries optimizations; - Mentoring team members.
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
- Design the app architecture; - Design the DB architecture; - Setting up Heroku deploys and CI/CD; - Implementing new functionality; - Unit and acceptance tests (Rspec + Capybara).
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Ukraine, Poland, Germany, Spain, Greece
Core Expertise
Industries
Education & Science, E-Commerce & Retail, Banking & Finance, Construction & Real estate, Advertising & Marketing, Travel & Tourism, Healthcare & Medicine, Accounting & Auditing
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Check if Vadim is available