Senior Ruby Developer

We are looking for a Senior Ruby Developer to join our dynamic and collaborative team.
The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems.

It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan.

Responsibilities
• Develop and maintain scalable, high-performance web applications using Ruby and Rails
• Optimize complex database queries and ensure efficient use of PostgreSQL
• Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec
• Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals
• Conduct code reviews and mentor junior developers to uphold quality standards
• Address scalability and performance issues, implementing enhancements to improve reliability
• Work closely with product owners to translate requirements into technical implementations
• Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes
• Participate in architectural design and contribute to long-term system improvements
• Oversee deployment processes and ensure application stability in production environments
• Stay updated on emerging technologies and practices to bring innovative solutions to the team

Requirements
• Strong experience with Ruby and the Rails ecosystem (3+ years)
• Proven ability to build scalable web applications
• Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage
• Solid experience with RSpec and TDD/BDD testing practices
• Comfortable working independently with minimal supervision
• English level of minimum B2 (Upper-Intermediate) for effective communication

Nice to have
• Experience using Docker for containerization
• Familiarity with Redis for caching or real-time data handling
• Exposure to ClickHouse for analytics or event logging
• Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js
• Experience with background job processing tools like Sidekiq or RabbitMQ
• Understanding of CI/CD pipelines and Git-based workflows
• Good communication and collaboration skills

We offer
• We gather like-minded people:Engineering community of industry professionals
• Friendly team and enjoyable working environment
• Flexible schedule 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:Outstanding career roadmap
• Leadership development, career advising, soft skills, and well-being programs
• Certification (GCP, Azure, AWS)
• Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru
• English classes
• We cover it all:Stable income (Employment Contract or B2B)
• Participation in the Employee Stock Purchase Plan
• Benefits package (health insurance, multisport, shopping vouchers)
• Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more
• Referral bonuses
• Corporate, social and well-being events
• Please, note:The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview.
• We will reach out to selected candidates exclusively.
EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.