Nick Tune
Hands-on Senior Staff Engineer specializing in AI-assisted development, DDD, software architecture, and legacy modernization.
Books
Architecture Modernization
A comprehensive guide to transforming legacy systems using strategic Domain-Driven Design and Team Topologies. This book provides practical techniques for identifying modernization opportunities, designing target architectures, and executing transformation programs that deliver business value.
Patterns, Principles, and Practices of Domain-Driven Design
The definitive guide to applying Domain-Driven Design in real-world projects. Covers strategic patterns, tactical patterns, and the essential practices that make DDD work in complex enterprise environments.
Projects
living-architecture.dev
Rivière — an open-source toolkit for extracting and visualizing flow-based architecture from codebases. Traces how operations actually execute through a system, using AI assistance to analyze code and generate living documentation.
View on GitHub →legacy-modernization.io
A community-driven resource documenting legacy modernization practices through real-world case studies. Practical guidance for teams navigating architecture transformation.
View on GitHub →Recent Writing
Event-sourced Claude Code workflows
Storing the state of the workflow as events to enable rich observability and detailed workflow insights and optimizations.
Claude Code workflows as DSL-driven domain models
Evolving the hook-driven workflow engine into a proper domain model, each state declaratively defined in a single DSL-driven file.
Hook-driven dev workflows with Claude Code
Using Claude Code hooks to build enforced, testable development workflows with a proper workflow engine, state persistence, and agent teams.
Code quality feedback loops in AI dev workflows
How I use automated post-merge reflection to capture, review, and apply code quality feedback in AI-assisted development workflows.
Speaking