During October 2025, Calvin Wang developed a new Coalesce Task for the smartcontractkit/chainlink repository, focusing on backend development and pipeline orchestration using Go. The Coalesce Task was designed to improve the resilience of data pipelines by returning the first non-nil, non-error input from multiple candidate sources, thereby simplifying fallback logic and reducing failures caused by missing or optional data. Calvin implemented this as a Go-based pipeline task, ensuring robust error handling and comprehensive test coverage. The work enhanced data processing throughput and reliability, demonstrating proficiency in Go, pipeline orchestration, and collaborative PR-driven development within the Chainlink codebase.