01/03The Discovery
DDD by design
I run collaborative discovery — event storming, impact mapping, example mapping — so product, business and devs share one model of the domain. Devs sit with the client; domain understanding flows back into the code.
Tech Lead & Educator · Bordeaux, France
DAVIDROBERT
Ship what the business actually needs.
Tech lead & educator with 13+ years in the trenches. I wire strategic & tactical DDD, TDD and Clean Architecture into teams — and I design delivery pipelines where AI agents do the derivable work, so humans focus on what's scarce: business judgment.
- 13+Years shipping
- 1500+Devs trained
- ∞Loops closed
01/04The Approach
Build what the
business needs
Strategic & tactical DDD, TDD, Clean Architecture — with a product, agile and devops culture on top. My job is to close the distance between a decision and the evidence about it.
I facilitate collaborative discovery so product, business and devs share a single model of the domain — and build what has real value, not just what is feasible. Then I bring domain understanding down into the code: bounded contexts, ubiquitous language, vertical slices.
Operating principle
“When you can build the wrong thing 10× faster, the discipline that tells you it’s wrong becomes more valuable, not less.”
- DDD
- Clean Architecture
- Ports & Adapters
- Modular Monolith
- Bounded Contexts
- Ubiquitous Language
- Vertical Slices
- CQRS
- Event-Driven
- Event Sourcing
- Dynamic Consistency Boundaries
- Decider Pattern
- Functional Programming
- Result Types
- Type-Driven Design
- Branded Types
- TDD
- ATDD
- BDD
- SOLID
- Executable Specs
- Executable Contracts
- Deterministic Checks
- Ratchet Checks
- Prototype-Driven UI Specs
- Property-Based Testing
- Mutation Testing
- Playwright
- Vitest
- Jest
- TypeScript
- React
- Next.js
- React Native
- Nest.js
- Node.js
- Redux
- PHP
- Symfony
- Sylius
- API Platform
- Docker
- TBD
- CI/CD
- DevOps
- Agentic AI
- Agent Graph
- Dark Factory
- Agent Orchestration
- Harness Engineering
- Eval-Driven Development
- Run Forensics
- Context Engineering
- Prompt Caching
- Claude Code
- Subagents
- Skills
- Hooks
- MCP
- Structured Outputs
- Code Generation
- Architecture Decision Records
- Event Storming
- Impact Mapping
- Example Mapping
- Dual-Track Discovery
02/04The Craft
Three pillars
Discovery to derive the right thing. Architecture to build it so it lasts. An agentic pipeline to ship it, iteration after iteration.
02/03The Architecture
Deterministic craft
Clean Architecture / Ports & Adapters, tactical DDD and modular monoliths with vertical slices. Event sourcing with Dynamic Consistency Boundaries: one log per bounded context, each command's consistency boundary derived from what it reads, not from a fixed aggregate. Business rules as pure deciders, specified by executable, prose-free contracts — and when an invariant moves into the type system, the check that guarded it is retired.
03/03The Delivery
Road to the dark factory
Business judgment is expensive and rare — everything else can be derived. I build delivery pipelines that move toward the dark factory: the pipeline is a versioned graph, agents live in the nodes that require judgment, deterministic verdicts sit on every edge. Each run's trajectory is recorded and checked; the agent never decides to commit — a green verdict does. Every rule is a ratchet with a versioned baseline, every convention change goes through an ADR, every recurring failure gets a machine signature. Code review moved upstream: what humans review is the arbitrated contract.
03/04The Work
Where I’ve shipped
Tech Lead @ Plop.
Tech lead on applications for industrial clients — from product framing to delivery. Driving the shift toward autonomous delivery: an agent graph produces, deterministic gates verify, humans decide. Whole bounded contexts migrated to event sourcing by autonomous night runs; skills developed eval-first; design choices stress-tested by competing agents before a human rules.
- DDD
- Event Sourcing
- Agentic AI
- Eval-Driven Dev
- TypeScript
Freelance Lead Dev / Architect @ Independent
Building business apps and e-commerce with craftsmanship practices. Awwwards nomination, published in This Week In React (FR), CTO InShape podcast on frontend Clean Architecture. Clients: Castel, Vexim, Vico, Graduate Store, Magenta Skateboards…
- Symfony
- Sylius
- React
- Nest.js
- Next.js
- React Native
Educator @ Schools · Companies · Bootcamps
Teaching DDD, Clean Architecture, TDD, SOLID and modern stacks in engineering schools (EFREI, Sup de Vinci, EPSI…), in-company upskilling and coding bootcamps (Wild Code School, 3W Academy…).
- DDD
- TDD
- SOLID
- React
- Symfony
- Docker
Lead Developer @ Otakon
Led a gamified learning platform for students and staff. Ran strategic DDD workshops, domain & bounded-context modeling, and grew the team on craft/devops/agile practices with a modular monolith and CI/CD.
- TypeScript
- React
- Nest.js
- Symfony
- Vitest
Developer @ Aropixel
Built and maintained the Tick&Live ticketing platform, used by Fnac, Sud Ouest, Box Office. Started a Clean Architecture / DDD rewrite and rolled out craft best practices.
- PHP
- Symfony
- Sylius
- API Platform
- React
04/04On Stage & In Print
Talks & signals
Conference talks, podcasts and publications on Clean Architecture, unit testing and AI-enhanced delivery.
Award
Awwwards nomination
Freelance workWriting
Featured in This Week In React (FR)
NewsletterEpilogue — Let's talk
GOT A DOMAIN
WORTH MODELING?
Tech leadership, DDD & craft coaching, or an AI-driven delivery pipeline — if the tech needs to match what the business actually needs, let’s talk.