Lead Ruby Developer
The posting does not state a salary. This range is our estimate from the role, the location and the stack — treat it as a guide, not an offer.
- Level
- Senior
- Apply from
- Poland
Advertised before — reposted once in September 2026 This listing closed and was put back up. It usually means the search has been running a while.
About the role
- Lead the design and development of web applications
- Deep expertise in PostgreSQL for efficient data management
- Implement robust testing practices using RSpec
- Drive career development for team members
- Provide technical leadership and address performance issues
Skills the posting asks for
- Ruby
- Rails
- JavaScript
- PostgreSQL
- Docker
Summarised from the employer’s posting, which is reproduced in full below.
The employer’s full posting
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
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
- 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
- We gather like-minded people:
- Top tech minds driving innovation in AI, cloud and digital platform modernization
- Supportive team and agile, startup-like culture
- Hybrid by design mode and opportunity to work remotely within Poland
- Chance to work abroad for up to 60 days annually
- Business-driven relocation opportunities
- We provide growth opportunities:
- Career development programs
- Thought leadership, mentoring, soft skills and well-being programs
- Certification (Anthropic, Gemini, GCP, Azure, AWS)
- English classes
- We cover it all:
- Stable pay
- Participation in the Employee Stock Purchase Plan with a 15% discount
- Benefits package (health insurance, multisport, shopping vouchers)
- Referral bonuses up to $2,000
- Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
- Corporate, social and well-being events
- Please, note:
- Benefits listed above are available to employees only
- We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
- We will reach out to selected candidates exclusively