Calmus Dennis

Backend Engineer & Systems Architect

I design and implement backend systems with explicit trade-offs. Focus on data integrity, fault tolerance, and maintainable architectures. Documentation includes not just what was built, but why specific technical decisions were made.

Database Design

Schema optimization, indexing, transactions

API Architecture

REST, GraphQL, event-driven patterns

System Reliability

Monitoring, error handling, recovery

Systems & Implementations

Technical Writings