Top Senior Ruby Jobs

Develop and maintain Ruby on Rails applications for energy solutions, design ML-ready data pipelines, architect scalable systems, and deploy infrastructure to AWS. Responsibilities include automated testing, code reviews, DevOps support, refactoring, troubleshooting, AI-assisted development, and mentoring junior developers. The role is fully onsite in Kennett Square, Pennsylvania, five days per week.

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.

Build and maintain full-stack Ruby on Rails and React applications for defense and logistics operations. Responsibilities include designing APIs and data models, developing multi-source ingestion pipelines, creating data visualizations, deploying services on Kubernetes, implementing observability and security, optimizing disconnected-environment performance, and collaborating with product and design teams. The role also involves architecture discussions, technical documentation, testing, code reviews, and integration with secure DoD systems.

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.

Build and own platform APIs and internal tooling for real-time EHR sync and FHIR ingestion. Maintain ingestion pipelines, reliability, normalization, framework upgrades, CI, and observability. Diagnose production issues, ship durable fixes, and take end-to-end ownership of production systems and on-call responsibilities.

Build and own the platform API and internal tooling for real-time EHR sync, FHIR ingestion, and vocabulary normalization. Implement and maintain ingestion pipelines, ensure sync reliability, perform framework upgrades and developer tooling, diagnose production issues, and maintain observability and correctness. Ship production features and own on-call responsibilities for platform subsystems.

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.

Design, develop, and maintain application virtualization software and microservices. Implement features in App Volumes Manager (Ruby on Rails) or Java/J2EE services, troubleshoot customer escalations, produce software designs, build RESTful APIs, and follow test-driven, CI, and Agile practices to deliver high-scale, enterprise-grade solutions.