Total 55,603 skills, Backend Development has 4395 skills
Showing 12 of 4395 skills
Designs REST and GraphQL APIs including endpoints, error handling, versioning, and documentation. Use when creating new APIs, designing endpoints, reviewing API contracts, or when asked about REST, GraphQL, or API patterns.
Write, review, and adapt SQL for PolarDB-X 2.0 Distributed Edition (Enterprise Edition) in AUTO mode, properly handle differences between PolarDB-X and MySQL (such as partitioned tables, Global Secondary Index (GSI), Columnar Index (CCI), Sequence, distributed transactions, table groups, TTL tables, etc.). Suitable for scenarios where you need to generate SQL to run on PolarDB-X, migrate MySQL SQL to PolarDB-X, or debug PolarDB-X SQL compatibility issues.
Technical checklist for backend PR self-review (NestJS/TypeScript) — B1–B21 static analysis + G1–G16 design patterns. Use when you want to run a checklist against a PR or piece of code. For the full review workflow with GitHub posting and Notion integration, use pr-review.
Apply when implementing a VTEX Payment Provider Protocol (PPP) connector or working with payment/connector endpoint files. Covers all nine required endpoints: Manifest, Create Payment, Cancel, Capture/Settle, Refund, Inbound Request, Create Auth Token, Provider Auth Redirect, and Get Credentials. Use for building or debugging any payment connector that integrates with the VTEX Payment Gateway.
Use when you need to analyze Java profiling data collected during the detection phase — including interpreting flamegraphs, memory allocation patterns, CPU hotspots, threading issues, systematic problem categorization, evidence documentation with profiling-problem-analysis and profiling-solutions markdown files, or prioritizing fixes using Impact/Effort scoring. Part of the skills-for-java project
Use when you need to write unit tests for Spring Boot applications — including pure unit tests with @ExtendWith(MockitoExtension.class) for @Service/@Component, slice tests with @WebMvcTest and @MockitoBean for controllers, @JsonTest for JSON serialization, parameterized tests with @CsvSource/@MethodSource, test profiles, and @TestConfiguration. For framework-agnostic Java use @131-java-testing-unit-testing. For integration tests use @322-frameworks-spring-boot-testing-integration-tests. Part of the skills-for-java project
Manage call recordings, media storage, Dialogflow integration, and external connections for SIP trunking. This skill provides JavaScript SDK examples.
Stream call audio in real-time, fork media to external destinations, and transcribe speech live. Use for real-time analytics and AI integrations. This skill provides JavaScript SDK examples.
Send and receive SMS/MMS, handle opt-outs and delivery webhooks. Use for notifications, 2FA, or messaging apps.
Stream call audio in real-time, fork media to external destinations, and transcribe speech live. Use for real-time analytics and AI integrations. This skill provides REST API (curl) examples.
Add Wasp's built-in features to your app — auth, email, jobs, and more. These are full-stack, batteries-included features that Wasp handles for you. Use when the user wants to add meta tags, authentication (email, social auth providers), email sending, database setup, styling (tailwind, shadcn), or other Wasp-powered functionality.
Go interface design patterns: implicit interfaces, consumer-side definition, interface compliance verification, composition, the accept-interfaces-return-structs principle, and common pitfalls. Use when designing interfaces, decoupling packages, defining contracts, reviewing interface usage, or refactoring for testability. Trigger examples: "design interface", "accept interfaces return structs", "interface compliance", "consumer-side interface", "interface composition". Do NOT use for HTTP handler patterns (use go-api-design) or general code review (use go-code-review).