Top Ruby Jobs in NYC, NY

Design and implement backend and real-time features in the GitLab monolith for portfolio planning at scale. Optimize PostgreSQL performance, evolve APIs (GraphQL/REST), build capacity planning and work-item hierarchies, create proofs of concept, maintain automated tests, support safe rollouts with feature flags and observability, mentor contributors, and participate in on-call and production troubleshooting.

Lead technical vision and implement high-impact Ruby on Rails solutions for an internal demo platform. Improve reliability, observability, instrumentation, and integrations; partner with Product, Sales, and cross-functional teams; mentor engineers and drive architecture, testing, and engineering best practices.

Lead design and delivery of backend-focused full-stack features for the Business Platform. Build APIs, data models, and reliable parsers, ensure secure resilient systems, mentor engineers, drive estimates and quality, collaborate with Growth on data-driven features, and integrate AI tooling into development workflows.

As a Senior Software Engineer, you will design and maintain systems, mentor team members, and improve both code quality and team practices.

As a Mid-Level Full Stack Developer, the role involves building and maintaining web applications, implementing new features, and optimizing performance using Ruby on Rails in a remote setting.

Design, build, and maintain Ruby on Rails APIs and React frontends; architect and optimize PostgreSQL schemas and queries; manage Docker/Kubernetes services and Terraform IaC; implement PKI/mTLS and secure authentication; solve offline data serialization/synchronization; own CI/CD pipelines and support mission-critical field deployments.

Seeking a Ruby on Rails Engineer to design and implement features, enhance backend applications, and support operations in a collaborative team environment.

The Full-Stack Engineer will develop and modernize a monolith application, manage infrastructure, and enhance the front-end experience using Ruby on Rails and React.

Collaborate with design and product to define customer experience; estimate and write stories in an agile process. Build maintainable, testable full‑stack applications (HAML, SASS, Rails) using Postgres and cloud platforms (Heroku, Amazon). Advocate for testing efficiency and evaluate alternative data stores.

Senior full-stack Ruby on Rails engineer collaborating with design and product to define customer experience. Write, estimate, and implement maintainable, testable software using HAML, SASS, Rails, and Postgres. Participate in agile practices and contribute expertise on cloud platforms (Heroku, AWS) and data store tradeoffs.

Senior-level full‑stack engineer to collaborate with design and product, write and estimate agile stories, and build maintainable, testable web applications using Ruby, Rails/Sinatra, HAML/SASS, Postgres, and cloud platforms (Heroku/AWS). Contribute to data store decisions and cross‑language full‑stack development.

Senior full-stack Ruby developer responsible for designing, implementing, and mentoring teams building high-volume financial middle-office systems. Drive scalable, high-performance solutions, perform code reviews, advise on architecture, manage project scope changes, and ensure best practices for scalability, performance, and security.

Mudflap seeks software engineers to build and scale their payments platform using Ruby on Rails, collaborating cross-functionally and owning features end-to-end.

Develop and maintain a Rails 3.2 application, build internal tools, write unit and test automation, support CI/CD, diagnose and fix bugs, follow SOPs for regulated environments, and collaborate with QA and Product in Agile ceremonies.

The Ruby Script Developer will create Ruby scripts, manage applications on Heroku, and develop front-end components using JavaScript frameworks while collaborating with cross-functional teams.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

The Ruby Engineer will focus on web scraping and browser automation, fix code issues promptly, support customers, and enhance search engine integrations.

Looking for a senior Ruby on Rails engineer to own complex projects and improve the product's technical direction, requiring extensive experience and a high standard of coding.