Lead Ruby Developer

Description

We are looking for a Lead Ruby Developer to join our collaborative team. Our client is a leading American multinational enterprise specializing in software solutions, providing a cloud-based platform that enables seamless automation, integration, and coordination of AI functionalities across diverse applications, data environments, and IT systems. This is a hybrid role with required office visits in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz, or Poznan. Responsibilities Lead the design and development of scalable web applications using Ruby and the Rails ecosystem Apply deep expertise in PostgreSQL, including query optimization and direct SQL usage, to ensure efficient data management Implement and maintain robust testing practices using RSpec and TDD/BDD methodologies Work independently and take initiative in solving technical challenges with minimal supervision Provide technical leadership as a Tech Lead or Team Lead, addressing performance issues and preventing burnout within the team Drive career development and growth plans for team members, fostering a culture of continuous improvement Requirements At least 5 years of professional experience in Ruby development or related roles Minimum of one year in a people management or team leadership position Proficiency in using Docker for containerization and deployment Familiarity with Redis for caching strategies or real-time data processing Exposure to ClickHouse for analytics or event logging solutions Basic frontend development experience with JavaScript and frameworks such as React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based version control workflows Strong communication and collaboration skills for effective teamwork Fluent English skills (written and spoken) at a B2+ level or higher

Requirements

• At least 5 years of professional experience in Ruby development or related roles

• Minimum of one year in a people management or team leadership position

• Proficiency in using Docker for containerization and deployment

• Familiarity with Redis for caching strategies or real-time data processing

• Exposure to ClickHouse for analytics or event logging solutions

• Basic frontend development experience with JavaScript and frameworks such as React, Angular, or Vue.js

• Experience with background job processing tools like Sidekiq or RabbitMQ

• Understanding of CI/CD pipelines and Git-based version control workflows

• Strong communication and collaboration skills for effective teamwork

• Fluent English skills (written and spoken) at a B2+ level or higher

Responsibilities

• Lead the design and development of scalable web applications using Ruby and the Rails ecosystem

• Apply deep expertise in PostgreSQL, including query optimization and direct SQL usage, to ensure efficient data management

• Implement and maintain robust testing practices using RSpec and TDD/BDD methodologies

• Work independently and take initiative in solving technical challenges with minimal supervision

• Provide technical leadership as a Tech Lead or Team Lead, addressing performance issues and preventing burnout within the team

• Drive career development and growth plans for team members, fostering a culture of continuous improvement

Seniority

• Lead