Staff Software Engineer - Ruby on Rails

Bold Penguin is hiring a Staff Software Engineer to lead and architect complex, scalable solutions while contributing as an individual engineer. The role spans product teams and the software development lifecycle, with a focus on secure, resilient cloud-native products, engineering practices, and mentorship.

Responsibilities:

• 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

Requirements:

• 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
• Knowledge of microservice architectures and RESTful APIs
• Progressional experience with Ruby on Rails
• 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
• Working experience in high-growth technology companies or startups is very desirable
• Understanding of scrum, unit testing, continuous integration, continuous delivery, and DevOps a plus