Top Senior Ruby Jobs in Philadelphia, PA

Develop and maintain Ruby on Rails backend systems supporting solar development, value evaluation, and loan servicing. Responsibilities include writing and reviewing code, maintaining CI/CD pipelines, solving complex domain problems, collaborating with Product and company experts, shaping architecture and technical direction, and improving engineering processes as the company scales.

Build and maintain full-stack features using Ruby on Rails and Vue.js, from database design through user interfaces. Develop APIs, background jobs, automated tests, and PostgreSQL queries; review code, troubleshoot production issues, and improve CI/CD pipelines. Collaborate with product, design, QA, and client stakeholders to scope and ship iterative releases. The role also involves dependency upgrades, technical-debt reduction, and responsible use of AI coding assistants.

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.

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.

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.

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.

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 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.