Mermaid for

Backend Engineers

Diagram the systems you build.

Document APIs, map service interactions, and keep your backend architecture visible without leaving your dev environment.

Mermaid editor showing an ER diagram of a schema metadata system, rendered live from erDiagram syntax on the left
Mermaid architecture diagram of a backend system with directional arrows showing request flow

See how your services connect

Turn a description of your backend into a clear architecture or sequence diagram in seconds.
Mermaid VS Code extension showing a UML class diagram generated alongside code

Version diagrams with your code

Attach diagrams to service repos, embed them in API docs, and update them when your architecture changes.
Mermaid sequence diagram of a registration and email verification flow with syntax and live preview

Text in, diagram out

Describe an API contract, service interaction, or backend flow and generate a diagram instantly.
Mermaid VS Code extension showing the code editor and live diagram preview side by side

Stay in your ecosystem

Bring diagrams into GitHub, VS Code, Confluence, or wherever your team documents their work.
Mermaid editor showing real-time collaboration on an ER diagram with two user cursors

Collaborate on architecture without the overhead

Share diagrams for async review or edit together live during design discussions and code reviews.
Mermaid team workspace screen showing a user joining an organization with multiple teams

Secure by design

Protect service architecture and API documentation with SSO and enterprise-grade access controls.

The charts backend engineers rely on

From schemas to services, diagrams that evolve with your code and docs.

Sequence diagrams

Show how services, APIs, queues, and databases exchange messages across a request lifecycle.

Mermaid recommends:

Use for login flows, payment processing, async event handling, or distributed transactions.

Architecture diagrams

Document service boundaries, dependencies, and integration points across your backend stack.

Mermaid recommends:

C4 context or component diagrams to show how backend services fit together.

Flowcharts

Map request handling logic, retry policies, error branching, and background job flows.

Mermaid recommends:

Generate from a plain-text description to quickly capture backend logic without diagramming from scratch.

ER diagrams

Visualize your data model so engineers and stakeholders understand how tables and services relate.

Mermaid recommends:

Build directly from schema text and keep versioned in Git alongside your migrations.

State diagrams

Model entity lifecycles — order states, job statuses, connection handling, caching behavior.

Mermaid recommends:

Use state diagrams to reason about edge cases and error states before they hit production.

Making waves with Mermaid

“Mermaid makes dense systems easier to explain by handling the diagramming while I focus on the content.”

“A Mermaid sequence diagram helped my team spot a race condition before we wrote any code — and likely saved us a week of debugging.”

“Mermaid made risk visible earlier — compliance, consent boundaries, and failure modes moved into the design phase instead of surfacing late.”

“Mermaid lets me model complex GovTech workflows directly alongside technical documentation. It’s fast, auditable, and precise.”

“Code-driven automation has made onboarding new team members much more efficient and manageable”

“I diagram more often now because it’s fast and enjoyable. Plus, Mermaid really shines during refactors: evolving the diagram tells the story of the change.”

Afrid Shirsekar

Afrid Shirsekar

Data Scientist, Amazon

Less time syncing, more time building

One shared canvas for mapping ideas, collaborating live, and keeping teams on the same page, literally.