Telecom Developer

Developing telecom software: VoIP, SIP, signaling, billing, 5G services

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58 skills
290 requirements
118 mandatory
14 domains
Awareness 58 Working 91 Advanced 113 Expert 28
Level:
All domains Programming Fundamentals 8 Backend Development 2 Database Management 3 API & Integration 5 Cloud & Infrastructure 5 DevOps & CI/CD 1 Testing & QA 4 Security 4 AI-Assisted Development 4 Architecture & System Design 1 Observability & Monitoring 4 Version Control & Collaboration 2 Networking & Telecom 13 Performance Engineering 2
Profiles: Awareness Working Advanced Expert -- Click level to expand, click requirement for details and voting

Programming Fundamentals

8 skills · 40 requirements
Skill Junior Middle Senior Lead Principal
Algorithms & Data Structures
Algorithms & Complexity Awareness Working Working Advanced Advanced
Data Structures Awareness Working Working Advanced Advanced
OOP & Design Patterns
OOP & SOLID Principles Awareness Working Working Advanced Advanced
Design Patterns Awareness Working Working Advanced Advanced
Concurrency & Parallelism
Multithreading Awareness Working Advanced Advanced Expert
Async Programming Awareness Working Working Advanced Advanced
Clean Code & Refactoring
Code Quality & Refactoring Awareness Working Working Advanced Advanced
Type Systems
Type Safety & Type Systems Awareness Working Working Advanced Advanced

Backend Development

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Message Queues & Event Streaming
Apache Kafka Awareness Working Advanced Advanced Expert
Caching
Redis Awareness Working Advanced Advanced Expert

Database Management

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
Relational Databases
PostgreSQL Awareness Working Working Advanced Expert
Database Optimization
Database Indexing Awareness Working Working Advanced Advanced
Query Optimization Awareness Working Working Advanced Advanced

API & Integration

5 skills · 25 requirements
Skill Junior Middle Senior Lead Principal
REST API
REST API Design Awareness Working Working Advanced Advanced
GraphQL
GraphQL Design Awareness Working Working Advanced Advanced
API Protocols
WebSocket API Design Awareness Working Advanced Advanced Expert
gRPC
gRPC & Protocol Buffers Awareness Working Advanced Advanced Expert
API Management
API Documentation Awareness Working Working Advanced Advanced

Cloud & Infrastructure

5 skills · 25 requirements
Skill Junior Middle Senior Lead Principal
Containerization
Docker Awareness Working Working Advanced Advanced
Kubernetes & Orchestration
Kubernetes Core Awareness Working Working Advanced Expert
Infrastructure as Code
Terraform Awareness Working Working Advanced Advanced
Cloud Providers
AWS Awareness Working Working Advanced Advanced
Networking
Network Fundamentals Awareness Working Advanced Advanced Expert

DevOps & CI/CD

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
CI/CD
GitHub Actions / GitLab CI Awareness Working Working Advanced Advanced

Testing & QA

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Unit Testing
Unit Testing Awareness Working Working Advanced Advanced
Integration Testing
Integration Testing Awareness Working Working Advanced Advanced
E2E Testing
E2E Testing Awareness Working Working Advanced Advanced
Performance Testing
Load Testing Awareness Working Advanced Advanced Expert

Security

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Application Security
OWASP & Application Security Awareness Working Working Advanced Advanced
Secure Coding Practices Awareness Working Working Advanced Advanced
Infrastructure Security
Network Security Awareness Working Advanced Advanced Expert
Authentication & Authorization
JWT / OAuth2 / OIDC Awareness Working Working Advanced Advanced

AI-Assisted Development

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
AI Coding Assistants
GitHub Copilot Awareness Working Working Advanced Advanced
Cursor IDE Awareness Working Working Advanced Advanced
ChatGPT / Claude Awareness Working Working Advanced Advanced
Prompt Engineering
Prompt Engineering for Code Awareness Working Working Advanced Advanced

Architecture & System Design

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
System Design
System Design Fundamentals Awareness Working Working Advanced Advanced

Observability & Monitoring

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Logging
Structured Logging Awareness Working Working Advanced Advanced
Metrics & Monitoring
Prometheus & Grafana Awareness Working Working Advanced Expert
Distributed Tracing
OpenTelemetry Awareness Working Advanced Advanced Expert
Alerting & On-Call
SLI / SLO / SLA Awareness Working Advanced Advanced Expert

Version Control & Collaboration

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Git & Workflows
Git Advanced Awareness Working Working Advanced Advanced
Code Review
Code Review Awareness Working Working Advanced Advanced

Networking & Telecom

13 skills · 65 requirements
Skill Junior Middle Senior Lead Principal
Network Protocols
TCP/IP Deep Dive Awareness Working Advanced Advanced Expert
HTTP/2 & HTTP/3 QUIC Awareness Working Advanced Advanced Expert
DNS Deep Dive Awareness Working Advanced Advanced Expert
BGP / OSPF Routing Awareness Working Advanced Advanced Expert
Network Infrastructure
Load Balancer Deep Dive L4/L7 Awareness Working Advanced Advanced Expert
Reverse Proxy: NGINX, Traefik, Caddy Awareness Working Advanced Advanced Expert
Network Automation: Netmiko, NAPALM Awareness Working Advanced Advanced Expert
Software-Defined Networking (SDN) Awareness Working Advanced Advanced Expert
Telecom
VoIP / SIP Protocol Awareness Working Advanced Advanced Expert
5G Core Network Awareness Working Advanced Advanced Expert
WebRTC Awareness Working Advanced Advanced Expert
Signaling Protocols Awareness Working Advanced Advanced Expert
Telecom Billing Systems Awareness Working Advanced Advanced Expert

Performance Engineering

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Optimization
Latency Optimization Awareness Working Advanced Advanced Expert
Throughput Optimization Awareness Working Advanced Advanced Expert
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