Senior Full-Stack Ruby Developer в NCube Ltd., Київ, віддалено

NCube Ltd.

  • Киев
  • Постоянная работа
  • Полная занятость
  • 6 д. назад
We're NCube, a place where you can work on cool projects with cool people. NCube creates teams of developers and creative problem-solvers who are passionate about designing great software. As a team, we work on different projects but love to relax, share ideas, and make memories together.
/ /10 квітня 2026Senior Full-Stack Ruby DeveloperКиїв, віддаленоWe are looking for an experienced Full-Stack Engineer to join EU-based Client's Technical Team for the development of a new portal and extension of an existing backend platform. The portal will enable small and mid-sized businesses to book staffing services fully online, supporting the company's transition to a scalable B2B self-service platform.Project - a customer-facing portal and backend platform that enables end-to-end online booking of staffing services, integrating web and mobile solutions while scaling existing production systems.Must have: * Strong backend development experience with Ruby on Rails.
  • Experience designing and building REST APIs and backend integrations.
  • Solid knowledge of PostgreSQL, including data modeling and performance optimization.
  • Experience working with scalable system architectures.
  • Ability to work with and extend existing production systems.
  • Experience with Git / GitHub workflows.
  • Familiarity with AWS-based infrastructure.
  • Upper-Intermediate English and better.
Good to have: * Experience with React, React Native.
  • Knowledge of TypeScript / JavaScript.
  • Experience building or integrating microservices.
  • Experience with Rust or C++ for performance-critical processing.
Responsibilities: * Design, develop, and extend backend services using Ruby on Rails.
  • Build and maintain scalable APIs supporting the new customer portal and mobile integrations.
  • Improve and optimize PostgreSQL data models and database performance.
  • Contribute to the evolution of a microservices-based architecture.
  • Collaborate with frontend and mobile developers to support React Native integrations.
  • Work with existing production systems, ensuring reliability, maintainability, and scalability.
  • Support the development of performance-critical services where applicable.
We offer: * Competitive salary with the regular review.
  • Medical Insurance after 3 months probation period (can be used in Ukraine).
  • Vacation (up to 20 working days).
  • Sick leaves (10 working days).
  • National Holidays as a time off (11 days).
  • Online English courses.
  • Accountant assistance and legal support.
  • Flexible working schedule, remote, office-based or hybrid format.
  • Fully-equipped office space located in the city center (ready for work in blackouts).
  • Direct cooperation with the customer.
  • Dynamic environment with low level of bureaucracy and great team spirit.
  • Challenging projects in diverse business domains and a variety of tech stacks.
  • Communication with Top/Senior level specialists to strengthen your hard skills.
  • Online/offline teambuildings.
  • Volunteering culture development and support.

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