Candidates 73
$6000 / mo
≈ $72000 / year net
Ruby on Rails Full-stack Developer
Ukraine · 8 years of experience · Upper-Intermediate ·Published yesterday
Ukraine · 8 years of experience · Upper-Intermediate ·Published yesterday
6+ years of experience with vanilla JavaScript
5+ years of experience writing React applications
~9 month of experience with Vue.js
Experience with PostgreSQL, ElasticSearch, AlgoliaSearch, Redis, Sidekiq.
I'm a full-stack developer, and I like switching between backend and frontend tasks often. Have experience with SASS and various fontend frameworks, such as Bootstrap 3/5, bulma, spectre.css, Vuetify, Blueprint.js. A fan of Ramda.
Before that I worked for internx for more than three years as lead developer/architect and during that time I had:
- completely rewrote react app, which reduced codebase 3 times;
- optimized heroku stack which decreased expenses 6 times;
- got rid of all the memory leaks;
- integrated background jobs;
$4000 / mo
≈ $48000 / year net
Ruby on Rails Developer
Ukraine · 4 years of experience · Intermediate ·Published 1 May · In passive search
Ukraine · 4 years of experience · Intermediate ·Published 1 May · In passive search
4 years of work as a RoR developer.
$3500 / mo
≈ $42000 / year net
Full stack Ruby / Node.js / React.js developer
Ukraine · Kyiv · 8 years of experience · Upper-Intermediate ·Published 1 May
Ukraine · Kyiv · 8 years of experience · Upper-Intermediate ·Published 1 May
$6000 / mo
≈ $72000 / year net
Ruby/Ruby on Rails Developer, Team Lead
Ukraine · 7 years of experience · Upper-Intermediate ·Published 1 May
Ukraine · 7 years of experience · Upper-Intermediate ·Published 1 May
I'm a software engineer with more than 7 years of commercial experience.
I've worked in different business areas - such as eHealth, employees insurance, travel (tickets management), HR (automated tests for soft skills, IQ level), real estate, energy management, marketing and B2B (for travel tickets managing system), logistics, etc.
I know how to work with external APIs and a service-oriented architecture. Also have experience in mentoring team members and providing technical interviews as an interviewer. I know how to build applications from scratch and how to lead a team.
Some technologies I've worked with:
Ruby, Ruby on Rails, MySQL, SQLite, PostgreSQL, Mongoid (MongoDB), RSpec, Rswag (RSpec + Swagger), HTML/CSS, Bootstrap, JavaScript (+ some JS libraries), Slim, HAML, work with some servers (Heroku, Capistrano), payment systems (Stripe, Mollie), etc.
Want to spend more time with backend Ruby tasks (near 70% of working time).
$4800 / mo
≈ $57600 / year net
Ruby on Rails Developer
Ukraine · 10 years of experience · Upper-Intermediate ·Published 30 April
Ukraine · 10 years of experience · Upper-Intermediate ·Published 30 April
Ruby, Ruby on Rails, GraphQL, Redis, Sidekiq, Docker, SQL, PostgreSQL, MySQL, Redis, ElasticSearch, JavaScript, Angular, HTML, CSS
Objective: placement in company in long term relationships for full-time, preferably backend only
Responsibilities as Senior backend engineer at my last workplace:
- Building back-end REST and GraphQL APIs for frontend applications;
- Conducting refactoring, debugging, and SQL query optimization for backend
APIs;
- Researching and recommending cost-effective tools/technologies/solutions to
expedite feature implementation;
- Covering code with tests;
- Participation in weekly backend team meetings, engaging in discussions and
research for improvements in backend development.
$6000 / mo
≈ $72000 / year net
CTO / Solution Architect
Ukraine · Kyiv · More than 10 years of experience · Upper-Intermediate ·Published 30 April
Ukraine · Kyiv · More than 10 years of experience · Upper-Intermediate ·Published 30 April
Soft skills:
- Emotional intellect
- Critical thinking
- Work in the mode of uncertainty
- Introspection
- Mentoring
- Psychology
- Creativity / Developed sense of beauty
Hard skills:
- Ruby, Rust, JS, TS
- PostgreSQL, MS SQL, Cassandra, Hadoop, Elastic Search
- React(Nextjs), Vue(Nuxtjs)
- Microservices, event-driven architecture (EDA), SOA
- Terraform, AWS, Kubernetes, GitOps, CI/CD (GitHub Actions, Jenkins, Gitlab CI/CD)
- Bitcoin Core rewrote the language into Ruby in order to develop an explorer without nodes - that is, I know to the smallest detail how bitcoin is tripled
Work Experience:
March 2021 — March 2024: CTO in Marketplace NFT.
May 2020 — September 2021: CTO/COO/Developer in Blockchain, Defi Tools.
April 2019 — January 2020: CTO/Developer in Cryptocurrency exchanger.
August 2015 — April 2019: CTO/CoFounder in Blockchains explorer.
February 2016 — April 2017: CTO in Blockchain, cryptocurrency company.
January 2009 — July 2015: CTO/CoFounder in Telecom company with client ONO/Vodafone.
I am most interested in FinTech, Blockchain, EdTech projects.
$1100 / mo
≈ $13200 / year net
Ruby on Rails Developer
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published 29 April
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published 29 April
Mainly worked on maintaining legacy projects, but also got experience in building MVPs.
I have some experience with frontend frameworks, namely React.
$4000 / mo
≈ $48000 / year net
Senior/Lead Ruby on Rails Developer
Ukraine · 10 years of experience · Advanced/Fluent ·Published 29 April
Ukraine · 10 years of experience · Advanced/Fluent ·Published 29 April
Excellent knowledge and experience in:
+ Troubleshooting, profiling and debugging applications
+ Creation software architecture and design of complex applications, platforms
+ Agile software processes and technologies
+ Code Review process
+ Refactoring process
+ Mentoring and knowledge sharing
+ Open-source projects
Висококваліфікований спеціаліст, потреба в якому є відчутною для економіки України (підтверджено Міністерством економіки України у 2022 році)
+ Opportunities to grow
+ Flexible working hours
$3000 / mo
≈ $36000 / year net
Ruby on Rails Developer
Ukraine · Kyiv · 2.5 years of experience · Upper-Intermediate ·Published 29 April · In passive search
Ukraine · Kyiv · 2.5 years of experience · Upper-Intermediate ·Published 29 April · In passive search
- Practical knowledge of OOP, Design Patterns
- Experience in troubleshooting and debugging applications
- Knowledge of the deployment process;
Work experience:
- I created a new monolith e-commerce app for NY typography shop, using Rails 6, Ruby 2.6, PostgreSQL, and AWS; during this work, I was lucky to learn from a senior developer, which is how my passion for it was born.
- Next, I worked in a team, which created an exchange-like service for managing stock- and crypto-wallets and dynamically automating the trading. I was responsible for the whole microservice responsible for the management and user interactions of the entire system. Using Rails 7, Ruby 3.1, PostgreSQL;
- Currently working on
$4500 / mo
≈ $54000 / year net
Full Stack Developer
Ukraine · 7 years of experience · Upper-Intermediate ·Published 29 April
Ukraine · 7 years of experience · Upper-Intermediate ·Published 29 April
I want to take part in solving complex issues and eventually become a well-versed expert and a polyglot developer.
But in-depth, I want to put my hands on some great products and make them even better than they should be. =)