Senior Software Engineer

Teachstone is a company focused on transforming education, and they are seeking a Senior Software Engineer to join their Platform Team. This role involves designing, building, and maintaining backend systems that support multiple product teams while ensuring system reliability, performance, and scalability.

Responsibilities:

• Design and implement backend services and APIs that support multiple product teams
• Own complex systems end to end, including data models, business logic, and integrations
• Build and evolve identity and access management capabilities, including authentication, authorization, roles, and permissions
• Improve reliability, performance, and observability of existing services
• Lead technical design discussions and contribute to architectural direction
• Raise the bar on code quality through reviews, refactoring, and technical standards
• Diagnose and resolve production issues, including participating in root cause analysis
• Collaborate with product and engineering leadership to scope work and manage technical tradeoffs
• Mentor other engineers through pairing, feedback, and technical guidance

Requirements:

• 6+ years of professional software engineering experience, primarily backend-focused
• Strong fundamentals in system design, data modeling, and API design
• Experience building and operating production backend systems at scale
• Comfort working in a mature codebase with real-world constraints
• Ability to make pragmatic technical decisions and explain tradeoffs clearly
• Experience collaborating across teams and disciplines
• Strong ownership mindset. You care about the long-term health of the systems you touch
• Prior experience with Ruby on Rails
• Experience working on platform or infrastructure-adjacent teams
• Experience improving legacy systems incrementally
• History of mentoring or leading technical initiatives without people management responsibility