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Urgent! Senior Ruby on Rails Developer Job Opening In Warsaw MA - Wola Center – Now Hiring Cognizant

Senior Ruby on Rails Developer



Job description

**Senior Ruby on Rails Engineer**

**Location:** Warsaw

**Work Model:** Remote (with visits once a month in Warsaw office and planning 2-3 days per quarter)



We’re expanding our engineering teams to support a strategic initiative in the financial domain.

As a global tech partner with over 30 years of experience, we help leading organizations modernize their tech stacks and deliver outstanding digital experiences.



**About the Role**

We are seeking a skilled Ruby Engineer to join our team, responsible for designing, developing, and maintaining robust Ruby and Ruby on Rails applications.

The ideal candidate will have a strong background in software engineering, web services, and database management, with a passion for clean code and scalable systems.



**Key Responsibilities**

• Develop and maintain Ruby/Rails applications, ensuring high code quality and performance.

• Participate in code reviews, architectural decisions, and technical discussions.

• Build and maintain web services, background jobs, and async systems

• Design and optimize SQL/NoSQL databases and migrations

• Write and maintain unit and integration tests using RSpec and other frameworks.

• Collaborate with front-end developers to integrate and debug JavaScript in Rails.

• Deploy and manage applications in Kubernetes clusters, using best practices for container health and monitoring.



**Requirements**

• Proven experience with Ruby and Ruby on Rails in production environments.

• Strong understanding of software engineering principles, CI/CD, and highly available systems.

• Experience with HTTP/web servers, monitoring, and troubleshooting.

• Solid knowledge of SQL/NoSQL databases, indexing, and data integrity.

• Experience with Kubernetes and container orchestration.



**Preferred Qualifications**

• Experience in financial services (banking, payments)

• Comfortable in fast-paced, evolving environments



**What We Offer**

• Private healthcare, life insurance, and cafeteria benefits

• Training programs and certifications

• Volunteering opportunities and an inclusive culture

• Employee referral program

• Collaborative and innovative work environment



For more information about Cognizant, visit https://www.cognizant.com/en-pl/



Interested?

Apply online today!



#LI-SM3

Cognizant is an equal opportunity employer.

All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.


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