Senior Fullstack Engineer (Ruby on Rails, Hotwire, React)

Name: Ilya Lebedev
Location: Remote (US/EU time zones), B2B contract
Languages: Russian (Native), English (C2), Spanish (A1)

Contact

Website: ilyalebe.dev
Email: ilya0lebedev[at]gmail.com
LinkedIn: ilya-lebedev-554225102
Telegram: @rubyminer
GitHub: lebedevilya

Profile

Senior fullstack/product engineer with 8+ years shipping SaaS products end-to-end. Ex-founder (Techstars Web3 '25): built and scaled an infrastructure-heavy platform to 18,000+ users and 25,000+ deployed nodes. Fluent across Ruby, Python and JavaScript end-to-end (UI through APIs and infrastructure); ship features without overcomplicating the stack. Hands-on with LLM orchestration, RAG and AI coding tools; happy to pick up any tech stack.

Experience

Fullstack Engineer / Founder

Mar 2025 – Feb 2026 — nodes.garden (remote)
  • Founded and led the product and technical development of a Web3/AI platform built with Ruby on Rails, Hotwire, PostgreSQL.
  • Built end-to-end workflows, APIs and internal tooling used to manage large-scale infrastructure. 25,000+ nodes deployed in a year.
  • Scaled the platform from 0 to 18,000+ users and $350k yearly revenue.
  • Secured an Arbitrum ecosystem grant and implemented Node NFT smart contracts and marketplace.
  • Built browser automation and data collection workflows with proxy handling, retries and failure recovery.
  • Assembled and managed a distributed team of 10 people including engineers, customer support and business development.
  • Completed Techstars Web3 2025, XFounders Season 4 and Founder.University Cohort 9 programs.
Tech: Ruby on Rails, PostgreSQL, RSpec, GoodJob, Hotwire, TailwindCSS, Solidity, Foundry, OpenZeppelin, ethers.js, MetaMask, JSON-RPC, Arbitrum, Docker, fly.io

Fullstack Ruby Engineer

Aug 2024 – Mar 2025 — reinvented-hospitality.com (remote)
  • Built and launched a full-cycle POS system with Rails + Hotwire in under 3 months.
  • Designed and delivered user-facing flows for restaurant and hotel operations.
  • Shipped tax reports, data exports and internal operational tooling.
Tech: Ruby on Rails, PostgreSQL, Sidekiq, Hotwire, MiniTest, TailwindCSS, ViewComponent, AWS, Docker

Fullstack Ruby Engineer

Aug 2022 – Aug 2024 — xometry.de (remote)
  • Shipped user-facing product flows for a large manufacturing marketplace serving hundreds of thousands of buyers and suppliers globally.
  • Implemented and launched UK and TR regional product experiences under tight deadlines.
  • Built an AI-powered HS codes search tool that cut code search time for the logistics team by 90%+.
  • Delivered end-to-end order, quoting and logistics flows with supporting backend services and background processing.
  • Owned key workflows across the stack, from UI behavior and API contracts to data consistency.
Tech: Ruby on Rails, ReactJS, RSpec, PostgreSQL, Sidekiq, GraphQL, RabbitMQ, Redis, Python, Airflow

Fullstack Ruby Engineer

2019 – 2021 at sputnik8.com, igooods.ru, rubyroidlabs.com (remote)
Fullstack development across e-commerce, travel, insurance and internal tooling products, with ownership of user-facing features, backend work and business-critical integrations.
Tech: Ruby on Rails, ReactJS, VueJS, RSpec, PostgreSQL, Sidekiq, GraphQL, REST APIs, Heroku, AWS

Education & Programs

XFounders Season 4

2025 — x-founders.com

1 month on-site program involving dozens of startups and mentors, organized with Starknet Foundation

Techstars Web3 '25

2025 — techstars.com

Selected for Techstars Web3 '25; scaled the business and pitched with on-site deep dives in Dublin & London

Master's Degree in Applied Mathematics and Computer Science

2017–2019 — Saint Petersburg State University

Bachelor's Degree in Applied Mathematics and Computer Science

2013–2017 — Saint Petersburg State University

Selected Projects

slack-llm-bot

Production-shaped Slack bot on Vercel (TypeScript). LLM tool-loop with OpenAI, threaded memory, optional pgvector long-term recall, and an offline eval harness (deterministic oracle + LLM judge) so the LLM behaviour is tested like real software:  github.com/lebedevilya/slack-llm-bot

nodes.garden

Web3/AI NaaS platform built with Ruby on Rails; secured an Arbitrum ecosystem grant and implemented Node NFT smart contracts and marketplace. Finalist of Backdrop Build V4–V6:  backdropbuild.com/builds/nodesgarden

customs.codes

RAG customs codes AI classification tool built with Ruby on Rails. Finalist of Backdrop Build V3:  backdropbuild.com/builds/v3/customscodes

Core Skills

  • Languages: Ruby, Javascript, Python
  • Frontend: Hotwire, React, Vue, ViewComponent, TailwindCSS
  • Backend: Ruby on Rails, REST/GraphQL APIs, domain modeling
  • Web3: Solidity, ERC-721, Foundry, OpenZeppelin, ethers.js, JSON-RPC
  • Databases: PostgreSQL, Redis
  • Async: Sidekiq, SolidQueue, RabbitMQ
  • Infra: Docker, CI/CD, AWS, GCP, fly.io, Heroku, Kamal
  • Observability: Datadog, Sentry, Appsignal
  • Other: Salesforce, Stripe, PayPal, CloudPayments, Copperx