Senior Ruby developer (Freelance) - Yalantis UA

Senior Ruby developer (Freelance)

  • Software development
  • Ruby
  • Kyiv
  • Warsaw
  • Ukraine
  • Lviv
  • Dnipro
  • Poland
  • Europe
  • Senior
  • Freelance
  • About the role

    We are looking for an experienced Ruby developer to join our team!

    The product is the world’s first telecom-as-a-service platform. Enabling platforms to sell phone & data subscriptions to their users.

    By enabling any company to launch its own wireless service in a matter of days, the platform helps its customers differentiate their product offering, increase customer stickiness and unlock new revenue streams through embedded connectivity. As the only end-to-end connectivity provider, the platform offers many products and services, including premium wholesale, a hosted checkout, subscription management, payments, analytics, AI, and more.

  • Responsibilities

    • You will build the core of products, services, and APIs in a spectacularly robust fashion.
    • You will directly communicate with the founders and be part of the core team.
    • You will build and integrate APIs and services and work with our partners to launch new markets, connectivity methods, and capabilities.
    • You will establish and improve engineering standards, tooling, and processes.
  • Requirements

    • At least 5+ years of experience with Ruby and Ruby on Rails framework
    • SQL language, experience with relational databases (PostgreSQL, MySQL, etc.)
    • Background Jobs processors (Sidekiq, Rescue, etc.)
    • Redis database
    • Testing framework (RSpec, MiniTest, etc.)
    • API Documentation (OpenAPI specification, RSwag library, etc.)
    • Common CI/CD and deployment practices, including: Static code analysis, vulnerabilities scanning (Rubocop, SonarQube, Snyk, etc.) and Containerization (Docker, Docker compose, etc.)
    • Cloud provider services (AWS or alternatives)
    • Widespread communication protocols, services, frameworks:
      • HTTP, WebSockets
      • Message brokers (Apache Kafka, SQS, RabbitMQ, etc.)
      • RPC/gRPC, etc.
      • GraphQL (optional)
    • Basic knowledge of HTML, Javascript, CSS
    • Upper-Intermediate level of English or higher

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