Keystone Bookkeepers

Full-stack Engineer

• Own production reliability during North American business hours and act as the first responder for issues
• Deliver features end to end across the internal operations platform and client-facing portal
• Maintain integration health across QuickBooks Online, Microsoft Graph, Bill.com, property management platforms, and CRM systems
• Own the security posture of shipped software with explicit acceptance criteria
• Design, develop, test, deploy, and maintain scalable web applications and backend services
• Build AI-enabled features and integrate LLM APIs for document extraction, classification, review workflows, and agent-driven automation
• Use AI development tools such as Claude Code as part of the daily engineering workflow
• Build and maintain REST APIs, serverless functions, background workers, scheduled jobs, and webhook ingestion pipelines
• Own database schema design, migrations with tested rollback paths, and query performance
• Triage and resolve production incidents across application, database, and third-party integration layers
• Instrument systems with structured logging, alerting, and monitoring for authentication failures, integrations, queues, and background jobs
• Write runbooks for recurring problems
• Extend existing codebases without unnecessary rewrites
• Write maintainable, documented code and participate in code reviews
• Translate technical risks and tradeoffs into business terms for leadership and operations staff
• Work with an existing Philippines-based engineer and an external development partner
• Provide consistent coverage from 11:00 AM–7:00 PM ET, Monday through Friday
• During the first 90 days, absorb the escalation load, establish alerting and backup verification, and take ownership of a significant workstream

Senior Software Engineer

• Own production reliability during North American business hours and serve as the first responder for issues
• Deliver features end to end across the internal operations platform and client-facing portal
• Own integration health across QuickBooks Online, Microsoft Graph, Bill.com, property management platforms, and CRM systems
• Own the security posture and define explicit security acceptance criteria
• Design, develop, test, deploy, and maintain scalable web applications and backend services
• Build AI-enabled features and integrate LLM APIs for document extraction, classification, review workflows, and agent-driven automation
• Use AI development tools such as Claude Code as part of the daily engineering workflow
• Build and maintain REST APIs, serverless functions, background workers, scheduled jobs, and webhook ingestion pipelines
• Own database schema design, migrations with tested rollback paths, and query performance
• Triage and resolve production incidents across applications, databases, and third-party integrations
• Instrument systems with structured logging, alerting, and monitoring for authentication failures, integration failures, queues, and background jobs
• Write and maintain operational runbooks
• Extend and modify existing codebases without unnecessary rewrites
• Write maintainable, documented code and participate in code reviews
• Translate technical risks and tradeoffs into business terms for leadership and operations staff
• Work alongside an engineer based in the Philippines and an external development partner
• Take ownership of the afternoon issue queue, triage the bug backlog, and document recurring failures during the first 30 days
• Implement alerting, verify backup restoration, and establish post-deploy verification during days 31–60
• Own a significant workstream and ship a meaningful feature end to end during days 61–90