> Markdown version of [/jobs/ext/4472395-staff-software-engineer-ruby-on-rails](https://www.wearedevelopers.com/jobs/ext/4472395-staff-software-engineer-ruby-on-rails). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer - Ruby on Rails - **Company:** Bold Penguin - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $139,500.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Unit Testing, Cloud Computing, Continuous Delivery, Continuous Integration, DevOps, Fault Tolerance, Scrum Methodology, Systems Development Life Cycle, Ruby on Rails, Reliability Engineering, Ruby, Secure Coding, Software Engineering, Web Applications, Spring Cloud, Retrieval-Augmented Generation, Large Language Models, Multi-Agent Systems, Agentic-AI, Solid Principles, Kubernetes, Restful APIs, Microservices - **Published:** October 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=3fec9b4f1cc7755c ## About the Role * 10+ years of professional engineering experience * 5 years of technical experience with Bold Penguin technologies * Previous working experience in high-growth technology companies and/or startups * Ability to articulate very complex technical concepts to technical and non-technical people * Experience building highly resilient, cloud-native applications * Full-stack expertise in multiple tiers of modern web applications (e.g., front end, back end, infrastructure, etc.) * Bonus points for open-source contributions and/or speaking experience. * Working experience in high-growth technology companies or startups is very desirable. RUBY/RAILS REQUIREMENTS * Knowledge of microservice architectures and RESTful APIs * Progressional experience with Ruby on Rails. * Understanding of scrum, unit testing, continuous integration, continuous delivery, and DevOps a plus. AI/LLM QUALIFICATIONS * Write clean, well-tested, and secure code, applying DRY/SOLID principles to both traditional Rails features and non-deterministic AI/LLM outputs. * Build internal component libraries that ensure a great user experience, adapting design systems to handle dynamic, AI-generated insights and agentic workflows. * Experience building with orchestration frameworks, RAG pipelines, or autonomous agents, with a solid grasp of handling vector databases and non-deterministic outputs. * Strong working knowledge of microservice architecture, secure RESTful APIs, and cloud infrastructure, ensuring traditional code and AI features play nice together. PHYSICAL REQUIREMENTS * Must be able to sit/stand/walk for prolonged periods of time (up to 8 hours per day), at a desk working on a computer. * Must be able to use standard office equipment for extended periods of time, including but not limited to, a mouse, keyboard, phone and video conferencing. ## Description At this point in your career, you will have had a broad range of technology acumen as well as a depth of experience in more than one area. You will have a significant impact on the engineering organization itself by helping advance Bold Penguin's software engineering discipline. WHAT YOU'LL DO * Engage across product teams to plan, coordinate, architect, and deliver high-complexity features * Ensure that solutions are built with security, performance, and fault-tolerance in mind * Be an expert in modern cloud architecture and concepts in software engineering such as continuous integration, continuous delivery, DevOps, and site-reliability engineering * Collaborate with product managers, designers, site-reliability engineers, and customers to build powerful, impactful products * Participate in the full lifecycle of the software development life cycle from ideation to delivery * Mentor more junior engineers in areas such as unit testing, continuous integration, DRY/SOLID principles, SDLC, etc. to facilitate career growth on the team * Other duties and responsibilities as assigned. * Engage across product teams to plan, coordinate, architect, and deliver high-complexity features * Ensure that solutions are built with security, performance, and fault-tolerance in mind * Be an expert in modern cloud architecture and concepts in software engineering such as continuous integration, continuous delivery, DevOps, and site-reliability engineering * Collaborate with product managers, designers, site-reliability engineers, and customers to build powerful, impactful products * Participate in the full lifecycle of the software development life cycle from ideation to delivery * Mentor more junior engineers in areas such as unit testing, continuous integration, DRY/SOLID principles, SDLC, etc. to facilitate career growth on the team * Other duties and responsibilities as assigned.