Top Senior Ruby Jobs

Build and operate full-stack features across database, API, and front-end layers using Ruby on Rails. Own complex problems end to end, modernize legacy systems, design durable APIs, improve reliability and developer productivity, and participate in production support. Collaborate with product and engineering teams, document technical decisions, mentor peers, and contribute to architecture, code reviews, and on-call operations. The role also involves using modern developer tooling and working on scalable fleet and service-management software.

Develop and maintain scalable full-stack government digital services using Ruby on Rails, React.js, and PostgreSQL. Build RESTful APIs and integrations, troubleshoot complex application issues, and manage monitoring with Datadog. Collaborate with cross-functional teams, contribute to architecture and technical design, mentor engineers, document solutions, use AI-assisted development tools, and lead smaller technical initiatives while supporting software quality, reliability, and maintainability.

Develop and maintain Ruby on Rails applications and scalable RESTful APIs for a federal healthcare modernization project. Integrate React front-end functionality, troubleshoot application issues, collaborate with engineers and architects, and deliver secure, maintainable software in an Agile environment. The role also involves database queries, automated testing, Git-based version control, and CI/CD practices.

Hands-on senior engineer responsible for maintaining and improving a mature Ruby on Rails application hosted on Heroku. The role focuses on refactoring legacy logic, resolving production issues, reducing technical debt, improving stability and maintainability, and delivering safe, well-tested changes. The engineer will collaborate with distributed teammates, unblock development progress, and quickly contribute to critical areas of the codebase.

Build and scale full-stack applications using Ruby on Rails, React, PostgreSQL, Docker, Kubernetes, and Terraform. Design APIs, data architectures, synchronization systems, infrastructure, and CI/CD pipelines for secure, reliable operation in disconnected and low-bandwidth environments. Collaborate across engineering, business development, and mission teams while supporting critical defense and public safety operations.

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

Develop and maintain LabArchives electronic laboratory notebook, inventory, and scheduler products. Collaborate with product, operations, and support teams to design, build, test, release, and improve software features across front-end, back-end, and database layers. Create unit tests and expand automation frameworks, participate in code reviews, security audits, and accessibility evaluations, and contribute to continuous improvement in a remote environment.

Design, build, test, scale, and maintain software systems, primarily through Ruby on Rails development. Responsibilities include developing features, expanding applications and services, resolving production issues, conducting code reviews, participating in architecture and design discussions, and collaborating across engineering teams using agile practices.

Lead hands-on full-stack development for Ruby on Rails, TypeScript, and React applications. Shape technical direction, design reliable APIs and data flows, optimize relational database performance, and deliver responsive front-end experiences. Lead projects end to end, mentor engineers, review and refactor code, collaborate cross-functionally, and explore AI-assisted engineering and LLM automation while protecting sensitive healthcare data.

Leads company-wide technical strategy and architecture for foundational construction workflow platform services. Establishes standards, reference patterns, and multi-year technology vision across distributed systems, data, web, mobile, APIs, and AI-native architectures. Remains hands-on for high-impact prototypes and critical initiatives while mentoring senior engineers, driving architecture reviews, and influencing executives and engineering divisions. Partners with product, UX, business, and executive leaders to align technology strategy and deliver scalable, resilient systems.

Develop and maintain web applications using Ruby on Rails, C#.NET, JavaScript, SQL, AWS, and related technologies. Responsibilities include researching requirements, designing software, writing code, developing APIs and conversion routines, unit and formal testing, troubleshooting production applications, conducting impact analyses, supporting configuration control, and collaborating with analysts, UI/UX developers, testers, project leads, and customers.

Build and deploy scalable, maintainable full-stack applications, with a primary focus on backend development in Ruby and Ruby on Rails. Design APIs, data models, and performance optimizations while applying security best practices. Contribute to React and TypeScript frontend work, infrastructure, vulnerability fixes, and CI/CD improvements as needed. Collaborate cross-functionally to deliver reliable, high-quality product experiences.

The Sr. Web Developer is responsible for developing high-traffic consumer websites using Ruby on Rails and client-side technologies, ensuring optimal performance and user experience.

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.

The Ruby on Rails Developer will create and maintain rich web applications, lead projects, and collaborate with various teams to define functionality and resolve issues.

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.

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 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.

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.

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.

Designs, researches, and implements complex cross-system software; translates customer requirements into solutions; develops and optimizes data models and storage; mentors junior engineers; performs code reviews, TDD, and complex bug fixes; operates in Agile/Waterfall environments and promotes development best practices.

Design, develop, and maintain complex cross-system software; translate user requirements into solutions; implement best practices and development processes; resolve complex technical issues; mentor and train junior engineers; design complex data models and complete difficult bug fixes; participate in specifications, code reviews, and collaborate across teams in various development environments.

Develop and maintain Ruby on Rails applications, writing server-side and client-side code. Integrate web servers, message-based middleware, and relational databases. Follow secure web application best practices and test-driven development. Participate in all development phases and produce technical documentation as needed.

Seeking a Ruby-on-Rails Engineer with experience in building production systems, strong skills in Ruby and web development technologies, and familiarity with the Software Development Life Cycle.

The role involves developing advanced web applications using Ruby on Rails, along with scripting and collaborating on continuous integration in a contract position.