Backend & APIs

Track SendGrid delivery and engagement events with verified event webhooks

Upgrade Stripe API versions and SDKs with the right migration steps

Use and debug the pure slot engine that computes available booking times

Design evolutionary modular monoliths with DDD, outbox events and circuit breakers

Build NestJS modular monoliths with DDD bounded contexts and CQRS

Follow opinionated Rails conventions for rich models, concerns and Minitest fixtures

Find anemic domain models and refactor them into rich entities and value objects

Handle 402 Payment Required flows in client and server apps with the mppx SDK

Apply PostgreSQL, Hotwire and Tailwind conventions when writing new Rails code

Create ASP.NET Minimal API endpoints with OpenAPI documentation

Configure Better Auth sessions, database adapters and email or OAuth sign-in

Run scripts, manage dependencies, bundle and test JS apps with Bun

Verify Clerk webhooks and sync users, sessions and billing events in your app

Write C# async code with sound patterns for .NET services

Build Django models, views, DRF APIs and migrations and debug ORM queries

Apply Django architecture patterns, DRF API design, caching and ORM practices

Build type-safe, fast backend APIs with the ElysiaJS framework

Set up email verification, password reset and hashing with Better Auth

Build FastAPI APIs with Pydantic models, dependencies and Server-Sent Events

Build async FastAPI services in Python with clean, idiomatic patterns

Build lightweight Flask REST APIs with blueprints, auth and database integration

Write idiomatic Go with sound structure, error handling and conventions

Build Hono web apps and APIs with routing, middleware, validation and streaming

Build idempotent Rails background jobs with retries and discard rules

Apply Java coding standards to Spring Boot and Quarkus services

Apply Spring Boot patterns when building Java applications

Apply Laravel patterns for controllers, Eloquent, queues and API resources

Apply NestJS modules, dependency injection and security patterns in production apps

Choose Node.js frameworks and apply async, security and architecture principles

Build production Express.js servers with middleware, auth and database access

Set up multi-tenant orgs, teams, invitations and roles with Better Auth

Validate Python data with Pydantic v2 type hints and runtime checks

Look up official Rails guides on ActiveRecord, routing, jobs and security

Write idiomatic modern Ruby with pattern matching, Data.define and clean errors

Follow Basecamp-style Rails conventions for models, concerns, jobs and Turbo

Add TOTP, email or SMS two-factor sign-in and backup codes with Better Auth

Validate and parse data with Zod schemas, safeParse and inferred types

Build and deploy server routes, caching and storage with the Nitro server toolkit

Route architecture questions on API design, security and cloud-native systems

Build the backend of an app clone with auth, migrations, Stripe payments and email

Generate ASP.NET Core CRUD pages, controllers and endpoints backed by EF Core

Find which .NET specialist or plugin should handle a C# request

Run one-file and small multi-file C# apps with the dotnet CLI, no project needed

Build ASP.NET Core Web API endpoints with correct HTTP semantics and OpenAPI docs

Start and capture external processes with the new .NET 11 Process APIs

Use .NET 11 System.Text.Json naming policies and typed metadata accessors

Apply backend architecture, API design and database patterns for Node.js and Express

Propagate W3C baggage headers end to end so mirrord can route one developer's requests

Authorize a user's OAuth2 app and call its API with the access token