Backend Engineer

Systems We Build

• API development — RESTful endpoints with input validation, error handling, and rate limiting
• Database engineering — schema design, migrations, indexing, query optimization, RLS policies
• Authentication & authorization — session management, role-based access, JWT handling, OAuth flows
• Integration development — third-party APIs, webhooks, retry logic, failure classification
• Background jobs — queue processing, scheduled tasks, cron jobs, long-running operations
• Data pipeline — ETL processes, data transformation, cross-service synchronization
• Security hardening — input sanitization, SQL injection prevention, secrets management, audit logging
• Performance optimization — query profiling, caching strategy, connection pooling, load testing
• API documentation — OpenAPI specs, endpoint guides, authentication docs, rate limit documentation
• Monitoring & observability — error tracking, performance metrics, alerting, log aggregation

Skills & Tools