Sergei B.
Ruby on Rails Architect / Full-Stack Developer
Transforming your exciting ideas into perfect software. I take software architecture and design as art. Over 11 years in web-dev, I’ve known tons of how to and how not to. Please check out my Highlights, Priorities, and the topmost Completed Job’s card before going on searching. I’m looking for a new long-term job in a few months. If you have an exciting product or idea that I could help implement, let’s talk about it. My Highlights: - Wide expertise in eCommerce (from inventory to fulfilment), Billing systems (from payments to intelligence), GIS - Architected and led development of projects with total of 100M+ USD lifetime turnover and no money loss incidents - Hired and led a team of 4 talented Rails developers for 2 years - 10+ years of consistent commercial development on Rails and Javascript - Lead developer on 10+ Rails/JS projects lived up to production usage - Integrated Rails projects with total of 30+ programs and platforms you have used or heard of and 100+ you haven’t - Mastered 50+ RubyGems that you’d likely include in your Rails applications My Priorities: - Making greatest possible value for the project, not just getting paid - Taking the most out of collaboration with product owners and teammates - Learning new skills and tools to keep up with modern development practices - Delivering reasonably perfect code following best practices
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $122k
Billed in all: $1,122,520$1.12M
$122k in the last 6 months
Across 45 contracts
Earnings, last 30 days
Skill rankings: #1 in 2 skills of 10
Rarest: top 0.06% in Docker, of 8,761. Ranked by MRR among everyone on Upwork with the skill.
- RabbitMQ552 freelancers · 🇹🇭 #1Top 0.18%🇹🇭#1 of 3
- PostGIS225 freelancers · 🇹🇭 #1Top 0.44%🇹🇭#1 of 2
- Ruby on Rails1,811 freelancers · 🇹🇭 #1Top 0.11%🇹🇭#1 of 8
- AngularJS3,100 freelancers · 🇹🇭 #1Top 0.10%🇹🇭#1 of 6
- #4Software Architecture & Design1,465 freelancers · 🇹🇭 #1Top 0.27%🇹🇭#1 of 7
- #5Docker8,761 freelancers · 🇹🇭 #1Top 0.06%🇹🇭#1 of 24
- #5Data Modeling1,203 freelancers · 🇹🇭 #1Top 0.42%🇹🇭#1 of 6
- #8Vue.js8,267 freelancers · 🇹🇭 #1Top 0.10%🇹🇭#1 of 31