Home
Consulting
Grid Dynamics
Consulting
You can’t brute‑force AI into your hardest technology problems and hope something works. Your business needs more than just execution. It needs a disciplined constraints discovery process and stress-tested strategy that ties architecture, processes, customer experience, and engineering directly to revenue.
Audit my AI investments
Engineering
Platforms
GAIN logo
platforms
Grid Dynamics AI Native (GAIN) platforms are built to accelerate your enterprise AI transformation. Each platform focuses on a critical business domain, purpose-engineered for scale, security, and measurable ROI from day one — delivered by our Forward Deployed Engineers (FDE), embedded inside your team to drive outcomes, not just hand off code.
Explore all platforms
Industries
Insights
Making agentic AI production-ready white paper cover
White paper
Explore frameworks
About us
Let's talk
Home Careers Discover openings Ruby Developer (Ruby on Rails)

Ruby Developer (Ruby on Rails)

Wroclaw, Krakow, Gdansk, Warsaw, Poland

We are looking for a Mid/Senior Ruby Developer to join our engineering team. In this role, you will be responsible for developing, maintaining, and scaling modern web applications using Ruby on Rails.

You will work closely with cross-functional teams to deliver high-quality, clean code, while ensuring robust system stability and test coverage through automated testing tools like Selenium WebDriver.

Essential functions

  • Design, build, and maintain efficient, reusable, and reliable Ruby/Ruby on Rails code.

  • Develop new features and optimize existing application workflows.

  • Integrate test automation practices using Selenium WebDriver to ensure high code quality and reliability.

  • Collaborate with team members to translate business requirements into scalable technical solutions.

  • Participate in code reviews, technical discussions, and knowledge-sharing sessions.

Qualifications

  • Solid commercial experience with Ruby and Ruby on Rails (v6+ preferred).

  • Practical experience with Selenium WebDriver for automated testing and browser automation.

  • Strong understanding of object-oriented programming, relational databases (e.g., PostgreSQL/MySQL), and RESTful APIs.

  • Familiarity with Git and modern software development workflows.

  • Active Listening: Ability to truly understand requirements, feedback, and team discussions.

  • Effective Teamwork: Strong collaborative mindset and open communication.

  • Knowledge Exchange: Eagerness to share expertise, mentor peers, and learn from others.

Would be a plus

  • Experience with automated testing tools, CI/CD pipelines, and containerization (e.g., RSpec, Docker, GitHub Actions).

  • Familiarity with frontend technologies (JavaScript, HTML/CSS) and RESTful API integration.

We offer

  • Opportunity to work on bleeding-edge projects
  • Work with a highly motivated and dedicated team
  • Competitive salary
  • Flexible schedule
  • Benefits package - medical insurance, sports
  • Corporate social events
  • Professional development opportunities
  • Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

Apply to the position

apply status Information on personal data processing
decline status You cannot apply for a position without accepting “INFORMATION ON PERSONAL DATA PROCESSING”

    decline-status file-icon
    Invalid file size or format. DOC, DOCX, TXT, PDF (2 MB)

    Consent to the processing of personal data in future recruitment processes*

    We are committed to maintaining a transparent and ethical workplace. To learn more about how we support open communication, please review our Whistleblower Policy.

    decline-status file-icon
    Invalid file size or format. DOC, DOCX, TXT, PDF (2 MB)
    Submitting
    decline status

    Applications for this job are no longer accepted. Please explore other open opportunities on our platform.

    Vacancy

    Thank you!

    You applied for the position Ruby Developer (Ruby on Rails) successfully. We will get back to you soon. Have a great day!

    check

    Something went wrong...

    There are possible difficulties with connection or other issues. Please try to use another browser (it's recommended to use the latest version of Google Chrome browser). If the problem still persists, please send your application to

    Something went wrong...

    Please double-check the information filled in the form, and make sure to provide valid data.

    Don’t see the right opportunity?

    Contact us anyway and let’s talk! To apply, send your resume and cover letter to jobs@griddynamics.com

    Grid Dynamics is an equal opportunity employer. We are committed to creating an inclusive environment for all employees during their employment and for all candidates during the application process.

    All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. All employment is decided on the basis of qualifications, merit, and business need.

    Grid Dynamics Privacy Policy and E-verify