Backend Developer (Go)
Developing high-performance services and microservices in Go
Backend Developer (Go) is a role in the Backend Engineering family. It has 71 skills across 5 levels (from Junior to Principal). 209 skills are mandatory. Key domains: Programming Fundamentals, Backend Development, Database Management.
Technology Stack
Focus by Level
Building HTTP handlers and middleware. Writing unit tests. Working with SQL via database/sql or GORM. Fixing bugs. Learning Go idioms (goroutines, channels).
Independent microservice development. Designing gRPC/REST APIs. Working with concurrency (goroutines, channels, sync). Profiling and optimization. Code review.
Designing architecture for high-load services. Deep optimization (pprof, escape analysis). Building shared libraries. Choosing between Go and other languages for tasks.
Microservice platform architecture. Standardizing Go development practices. Designing gRPC service mesh. Coordination with Platform Engineering. Roadmap.
Company-level architectural decisions. Go best practices standards. Contributing to open-source Go ecosystem. Scaling engineering organization.
Skill Matrix
71 skills × 5 levels. Click on a cell for details.
AI-Assisted Development
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Copilot | A | W | A | E | E |
| Cursor IDE | A | W | A | A | — |
| ChatGPT / Claude | A | W | A | E | E |
| Prompt Engineering for Code | A | W | A | E | — |
API & Integration
8 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| REST API Design | A | W | A | E | E |
| GraphQL Design | A | W | A | E | E |
| WebSocket API Design | A | W | A | E | E |
| gRPC & Protocol Buffers | A | W | A | E | E |
| gRPC & Protocol Buffers | A | W | A | E | E |
| API Versioning Strategies | A | W | A | E | E |
| API Documentation | A | W | A | E | E |
| Rate Limiting & Throttling | A | W | A | E | E |
Architecture & System Design
6 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| System Design Fundamentals | A | W | A | E | E |
| High Load Architecture | A | W | A | E | E |
| Microservices Decomposition | A | W | A | E | E |
| Clean Architecture | A | W | A | E | E |
| CQRS | A | W | A | E | E |
| Event-Driven Architecture | A | W | A | E | E |
Backend Development
8 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Python Web Frameworks | A | W | A | E | E |
| Go Web Frameworks | A | W | A | E | E |
| Apache Kafka | A | W | A | E | E |
| NATS / NATS JetStream | A | W | A | E | E |
| Message Broker Patterns | A | W | A | E | E |
| Redis | A | W | A | E | E |
| Caching Strategies | A | W | A | E | E |
| Task Queues | A | W | A | E | E |
Cloud & Infrastructure
6 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Docker | A | W | A | E | E |
| Container Security Scanning | A | W | A | E | E |
| Kubernetes Core | A | W | A | E | E |
| Terraform | A | W | A | E | — |
| AWS | A | W | A | E | E |
| Network Fundamentals | A | W | A | — | — |
Database Management
8 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| PostgreSQL | A | W | A | E | E |
| ClickHouse | A | W | A | E | E |
| Database Indexing | A | W | A | E | E |
| Query Optimization | A | W | A | E | E |
| Connection Pooling | A | W | A | E | E |
| Database Sharding | A | W | A | E | E |
| Data Modeling & Schema Design | A | W | A | E | E |
| Database Migrations | A | W | A | E | E |
DevOps & CI/CD
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Actions / GitLab CI | A | W | A | E | E |
Observability & Monitoring
6 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Structured Logging | A | W | A | E | E |
| ELK Stack | A | W | A | E | E |
| Prometheus & Grafana | A | W | A | E | E |
| OpenTelemetry | A | W | A | E | E |
| SLI / SLO / SLA | A | W | A | — | — |
| On-Call Management | A | W | A | E | E |
Performance Engineering
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| CPU Profiling | A | W | A | E | E |
| Memory Profiling | A | W | A | E | E |
| Latency Optimization | A | W | A | E | E |
| Performance Budgets | A | W | A | E | E |
Programming Fundamentals
9 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Algorithms & Complexity | A | W | A | E | E |
| Data Structures | A | W | A | E | E |
| OOP & SOLID Principles | A | W | A | E | E |
| Design Patterns | A | W | A | E | E |
| Multithreading | A | W | A | E | E |
| Async Programming | A | W | A | E | E |
| Code Quality & Refactoring | A | W | A | E | E |
| Type Safety & Type Systems | A | W | A | E | E |
| Memory Management | A | W | A | E | E |
Security
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| OWASP & Application Security | A | W | A | E | E |
| Secure Coding Practices | A | W | A | E | E |
| Secrets Management | A | W | A | E | E |
| JWT / OAuth2 / OIDC | A | W | A | E | E |
Testing & QA
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| TDD & BDD | A | W | A | E | E |
| Unit Testing | A | W | A | E | E |
| Integration Testing | A | W | A | E | E |
| E2E Testing | A | W | A | E | E |
Version Control & Collaboration
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Git Advanced | A | W | A | E | E |
| Code Review | A | W | A | E | E |
| Documentation as Code | A | W | A | E | E |
FAQ
What skills are needed for the Backend Developer (Go) role?
The Backend Developer (Go) role requires 71 skills, of which 209 are mandatory. Skills are distributed across 5 levels: from Junior to Principal. See full matrix.
How to advance to the next level in the Backend Developer (Go) role?
Use the Grade Calculator to assess your current level and get personalized recommendations. The system will show which skills need to be developed for the next level.
What tech stack is used in the Backend Developer (Go) role?
The stack includes 5 technologies at different levels. Go 1.22+, net/http, GORM/sqlx, PostgreSQL, Git, Docker, go test, REST API, Go 1.23+, Gin/Echo/Fiber, gRPC + protobuf, PostgreSQL/Redis, Docker Compose, Kafka basics, golangci-lint, CI/CD, Go 1.23+, Custom frameworks, PostgreSQL/Redis/ClickHouse, Kubernetes, Kafka/NATS, OpenTelemetry, pprof, Grafana/Prometheus...
How does the community define requirements for the Backend Developer (Go) role?
Role requirements are shaped by the community through a proposal system. Any member can suggest changes that go through voting and expert review.