Entry point: /faion-net — invoke this skill for automatic routing to the appropriate domain.Backend Developer: Systems
Systems-level backend development in Go and Rust, plus database design and infrastructure patterns.
Purpose
Handles high-performance backend services using Go and Rust, database design, caching strategies, and backend infrastructure.
Context Discovery
Auto-Investigation
| Signal | How to Check | What It Tells Us | ||
|---|---|---|---|---|
go.mod | Read("go.mod") | Go module, dependencies | ||
Cargo.toml | Read("Cargo.toml") | Rust crate, dependencies | ||
cmd/ or internal/ | Glob("**/cmd/*") | Go standard layout | ||
src/main.rs | Glob("**/src/main.rs") | Rust binary | ||
| Web framework | `Grep("gin\ | echo\ | fiber", "go.mod")` | Go web framework |
| Async runtime | `Grep("tokio\ | actix", "Cargo.toml")` | Rust async framework | |
| Database driver | `Grep("sqlx\ | gorm\ | diesel", "**/*")` | Database library |
Discovery Questions
Q1: Systems Language (if not detected)
question: "Which language for this backend?"
header: "Language"
multiSelect: false
options:
- label: "Go"
description: "Simple concurrency, fast compile"
- label: "Rust"
description: "Memory safety, maximum performance"Q2: Service Type
question: "What type of service?"
header: "Service"
multiSelect: false
options:
- label: "HTTP API"
description: "REST or GraphQL endpoints"
- label: "gRPC service"
description: "High-performance internal API"
- label: "Worker/processor"
description: "Background job processing"
- label: "CLI tool"
description: "Command-line application"Q3: Concurrency Needs
question: "What are your concurrency requirements?"
header: "Concurrency"
multiSelect: false
options:
- label: "High concurrency (1000s of connections)"
description: "Need goroutines/async"
- label: "Moderate (standard web traffic)"
description: "Standard patterns"
- label: "CPU-bound processing"
description: "Parallel computation"
- label: "Simple sequential"
description: "Minimal concurrency"When to Use
- Go microservices and HTTP APIs
- Rust backend services
- Database design and optimization
- Caching strategies
- Message queues
- Error handling patterns
Methodologies (22 files)
Go (10): go-backend, go-channels, go-concurrency-patterns, go-error-handling, go-error-handling-patterns, go-goroutines, go-http-handlers, go-project-structure, go-standard-layout
Rust (7): rust-backend, rust-error-handling, rust-http-handlers, rust-ownership, rust-project-structure, rust-testing, rust-tokio-async
Database (3): database-design, nosql-patterns, sql-optimization
Infrastructure (4): caching-strategy, error-handling, message-queues
Tools
Go: Standard library, Gin, Echo, GORM, sqlx Rust: Actix-web, Rocket, Tokio, Diesel, sqlx Database: PostgreSQL, MySQL, MongoDB, Redis Queues: RabbitMQ, Kafka, Redis
Related Sub-Skills
| Sub-skill | Relationship |
|---|---|
| faion-backend-developer:enterprise | Enterprise web frameworks (Java, C#, PHP, Ruby) |
| faion-python-developer | Python backends (Django, FastAPI) |
| faion-javascript-developer | Node.js backends |
| faion-api-developer | API design patterns |
Integration
Invoked by parent skill faion-backend-developer for Go/Rust/database work.
*faion-backend-developer:systems v1.0 | 22 methodologies*