Seva Rybakov
Verified Expert in Engineering
Software Developer
Denpasar, Denpasar City, Bali, Indonesia
Toptal member since September 6, 2015
Seva is an experienced full-stack web developer specializing in Ruby and JavaScript-related technologies. He delivers clean, test-driven code and is comfortable with both back-end and front-end parts of the stack. In addition, Seva also has a solid Linux background and can set up servers and deploy applications.
Portfolio
Experience
Availability
Preferred Environment
Git, Tmux, Vim Text Editor, OS X
The most amazing...
...thing I've built is a charity auction where people place bids in order to meet each other. The profits of the auction then went to charity.
Work Experience
Expert Mentor
Online Freelance Agency
- Mentored in over 200 sessions for over 50 clients.
- Accrued an average rating 5.0! 100% satisfaction.
- Helped people solve their bootcamp/university coding problems.
- Helped several startups with their tough coding challenges.
- Gave advice in back-end, front-end, and server-side applications.
Solidity Developer
Tribal
- Developed a suite of smart contracts for a lending platform.
- Integrated multi-signature wallet as an owner of smart contracts.
- Reached 80%+ test coverage of smart contract code, including multiple smart contract interactions.
Senior Ruby on Rails Developer
RateIt
- Reached 100% unit test Ruby code coverage using RSpec.
- Worked on an extensive and reusable view component library.
- Developed a drag-and-drop survey creation interface and a back end to support it.
Team Lead
Colgate-Palmolive
- Designed and implemented a cutting-edge referral product recommendation system, enabling dental and skincare professionals to suggest products to their clients seamlessly.
- Enhanced client satisfaction but also provided professionals with a revenue share based on their clients' purchases.
- Implemented system enhancements to enable customization, deployment, and theming across multiple regions and product lines, making it adaptable and scalable.
- Managed a distributed team of four highly skilled software engineers, effectively coordinating and guiding their remote collaboration.
Full-stack Application Developer
Tatango, Inc.
- Scaled the system and servers to send millions of SMS messages per hour reliably.
- Developed a rich text editor in React with lots of custom components.
- Worked on all kinds of caching to allow efficient CSV exports and table search/navigation.
CTO
Be Worthwhile
- Solely wrote the entire web application.
- Developed a test-driven Ruby on Rails back-end.
- Wrote all the CSS from scratch to match the designer's PSD.
- Integrated with Google API, Facebook API, and Twilio API.
- Set up the server and deployed the application with the help of Digital Ocean, Ubuntu Linux, NGINX, Unicorn, and Capistrano.
Developer
Intransition
- Created a text-translate widget, embeddable into websites using jQuery and ASP.NET WebService.
- Worked on the transition from PSD to HTML.
- Helped develop the financial website in Ruby on Rails.
- Worked as a part of a big team on a J2EE web shop constructor site.
- Worked as a full-stack Web Developer on a data charting application using Backbone.js and Ruby on Rails.
Experience
Red Rock Apps Website
Technologies:
Cent OS, Ruby on Rails, Capistrano, HTML5, CSS, JavaScript, jQuery, Git
Be Worthwhile
Education
Master's Degree in Computer Science
Belarusian State University of Informatics and Radioelectronics - Minsk, Belarus
Bachelor's Degree in Computer Science
Belarusian State University of Informatics and Radioelectronics - Minsk, Belarus
Skills
Libraries/APIs
React, Twilio API, Underscore.js, jQuery, Node.js, Facebook API, Google API, Socket.IO, Shopify API, ZeroMQ, Backbone.js, Stripe
Tools
Git, RSpec, Capistrano, Tmux, Vim Text Editor, Adobe Photoshop, Ansible, Chef, Shopify Plus
Languages
Ruby, JavaScript, CSS, HTML5, SQL, TypeScript, GraphQL, Python, HTML, CSS3, Bash, Solidity
Frameworks
Express.js, Sinatra, Ruby on Rails (RoR), Tailwind CSS, Next.js, Material UI, ASP.NET, AngularJS, Stimulus, Hardhat
Paradigms
Test-driven Development (TDD), Responsive, Microservices Architecture, Automation
Platforms
Linux, MacOS, Google Cloud Platform (GCP), Shopify, OS X, Jakarta EE, Amazon Web Services (AWS)
Storage
Redis, MongoDB, PostgreSQL, MySQL, Memcached
Other
Front-end, A/B Testing, CSV, CSV File Processing, IMAP, WebSockets, eCommerce, Web Scraping, Analytics, Computer Science, Monorepos, Shopify Theme, APIs, Third-party APIs, Plugins, Page Speed Optimization, Web3, Ethers.js
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring