Senior Software Engineer – Backend Foundations

Responsibilities

• Build full-stack components of the platform: Ruby web applications at scale, TypeScript/React front-end.
• Build agentic workflows that enhance the SDLC for engineers across the platform. Evaluate and recommend improvements based on accuracy, latency, and cost.
• Strengthen our platform and SDLC: build datasets, monitoring, tooling, practices and workflows that improve our developing and operating services in our ecosystem.
• Improve production observability: work with product teams to ensure they are equipped to effectively monitor the performance and reliability.
• Help steer architectural and technical direction to ensure our applications follow cohesive and consolidated standards that ensure a high-level of quality and reliability.
• Actively partner with other product teams to understand use cases and identify how to best enable and support them.
• Advise on best practices across platform use cases, service observability, maintenance and operation.

Requirements

• 5+ years of professional software engineering experience.
• Experience working in a startup, incubator, or other fast-paced 0-to-1 environment where you own features end-to-end and set your own direction.
• Strong full-stack web application experience in Python, Ruby, Go or other modern languages. Must be willing to learn and work in Ruby.
• Familiarity with prompt engineering and the prompt iteration lifecycle.
• Fluent with AI-powered coding tools (e.g. Cursor, Claude Code) to move quickly.
• Strong written and verbal communication; able to drive alignment without being asked.
• Must reside in the U.S.

Hard Skills

• Ruby
• TypeScript
• React
• Python
• Go
• Full-stack web application development
• SDLC
• Observability
• Monitoring
• Prompt engineering

Soft Skills

• Strong written communication
• Strong verbal communication
• Alignment driving
• Collaboration
• Problem-solving
• Adaptability
• Ownership
• Technical direction steering
• Best practices advisingPartnering

Industry Keywords

• Startup environment
• Fast-paced environment
• 0-to-1 environment
• Feature ownership
• Performance reliability
• Cost evaluation
• Dataset building
• Tooling practices
• Service observability
• Maintenance operation

Tools & Technologies

• AI-powered coding tools
• Cursor
• Claude Code