7,340 Ruby jobs
Open roles that use Ruby, from web apps to tooling.
Platform / DevOps Engineer
Fully remote 12-month contract (£550/day, inside IR35) for a Platform/DevOps Engineer supporting UK Government digital projects via a technology consultancy: building AWS infrastructure with Terraform, automating provisioning, improving CI/CD pipelines, and troubleshooting high-availability Linux systems. Active SC clearance and NPPV3 are essential.

Software Engineer (II-III), Full Stack
Full-stack engineer at a defense space company building satellite command & control, mission planning, and data analysis software in Elixir, with front-end work (React/TypeScript). Onsite in Denver, CO or Long Beach, CA; requires U.S. citizenship and security clearance eligibility.
Senior Backend Engineer II, Engineering Experience
Senior backend engineer on Vinted's Engineering Experience platform team (CI/CD or Development Environments & AI) in the Netherlands, building internal developer tooling, cloud dev environments, and AI-assisted engineering workflows in Go, Ruby, and Kubernetes, used by hundreds of Vinted engineers.
Senior Full Stack Engineer, Designer Team
Builds and maintains full-stack systems for dynamic, AI-driven content creation and real-time rendering in a marketing technology platform.


Software Engineer, Backend
Backend software engineer at Justworks, an HR/payroll platform for small businesses. Day to day: owning large projects end-to-end, scaling high-volume fault-tolerant systems, and improving testing, monitoring, and CI/CD. Stack includes Go, Ruby on Rails, MySQL, Kafka, Redis, AWS, Kubernetes, and Terraform; role is hybrid from the NYC office.
Mobile Software Engineer (iOS/Swift) (United States)
Praeses is hiring a mobile engineer to design, build, test, and maintain native iOS/iPadOS applications in Swift (SwiftUI/UIKit), including debugging, code reviews, and SCRUM collaboration. The role also anticipates future full-stack web assignments using Ruby on Rails and PostgreSQL.
Senior Software Engineer- Agentic SOC
Senior Software Engineer on Huntress's Agentic SOC team builds LLM-powered agents that investigate security signals end-to-end, augmenting human analysts. Day-to-day work spans backend systems in Ruby on Rails, LLM tooling (tool use, structured output, evals), Postgres, Redis, and cloud platforms like AWS/Azure.


