Database Engineer / DBA

Designing, optimizing, and administering databases

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56 skills
278 requirements
123 mandatory
14 domains
Awareness 55 Working 56 Advanced 56 Expert 111
Level:
All domains Programming Fundamentals 7 Backend Development 1 Database Management 16 API & Integration 1 Cloud & Infrastructure 5 DevOps & CI/CD 1 Testing & QA 2 Security 3 AI-Assisted Development 3 Architecture & System Design 3 Observability & Monitoring 6 Version Control & Collaboration 2 Documentation 2 Performance Engineering 4
Profiles: Awareness Working Advanced Expert -- Click level to expand, click requirement for details and voting

Programming Fundamentals

7 skills · 35 requirements
Skill Junior Middle Senior Lead Principal
Algorithms & Data Structures
Algorithms & Complexity Awareness Working Advanced Expert Expert
Data Structures Awareness Working Advanced Expert Expert
OOP & Design Patterns
OOP & SOLID Principles Awareness Working Advanced Expert Expert
Design Patterns Awareness Working Advanced Expert Expert
Concurrency & Parallelism
Multithreading Awareness Working Advanced Expert Expert
Async Programming Awareness Working Advanced Expert Expert
Clean Code & Refactoring
Code Quality & Refactoring Awareness Working Advanced Expert Expert

Backend Development

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
Caching
Redis Awareness Working Advanced Expert Expert

Database Management

16 skills · 80 requirements
Skill Junior Middle Senior Lead Principal
Relational Databases
PostgreSQL Awareness Working Advanced Expert Expert
MySQL / MariaDB Awareness Working Advanced Expert Expert
NoSQL Databases
MongoDB Awareness Working Advanced Expert Expert
ClickHouse Awareness Working Advanced Expert Expert
Apache Cassandra Awareness Working Advanced Expert Expert
DynamoDB Awareness Working Advanced Expert Expert
Neo4j Awareness Working Advanced Expert Expert
NewSQL Databases
CockroachDB Awareness Working Advanced Expert Expert
Vitess Awareness Working Advanced Expert Expert
Database Optimization
Database Indexing Awareness Working Advanced Expert Expert
Query Optimization Awareness Working Advanced Expert Expert
Transactions & Concurrency Awareness Working Advanced Expert Expert
Database Administration
Replication & High Availability Awareness Working Advanced Expert Expert
Backup & Disaster Recovery Awareness Working Advanced Expert Expert
Data Modeling
Data Modeling & Schema Design Awareness Working Advanced Expert Expert
Database Migrations Awareness Working Advanced Expert Expert

API & Integration

1 skills · 5 requirements
Skill Junior Middle Senior Lead Principal
REST API
REST API Design Awareness Working Advanced Expert Expert

Cloud & Infrastructure

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

DevOps & CI/CD

1 skills · 3 requirements
Skill Junior Middle Senior Lead Principal
CI/CD
GitHub Actions / GitLab CI Working Advanced Expert

Testing & QA

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Unit Testing
Unit Testing Awareness Working Advanced Expert Expert
Integration Testing
Integration Testing Awareness Working Advanced Expert Expert

Security

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
Application Security
OWASP & Application Security Awareness Working Advanced Expert Expert
Secure Coding Practices Awareness Working Advanced Expert Expert
Infrastructure Security
Secrets Management Awareness Working Advanced Expert Expert

AI-Assisted Development

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
AI Coding Assistants
GitHub Copilot Awareness Working Advanced Expert Expert
ChatGPT / Claude Awareness Working Advanced Expert Expert
Prompt Engineering
Prompt Engineering for Code Awareness Working Advanced Expert Expert

Architecture & System Design

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
System Design
System Design Fundamentals Awareness Working Advanced Expert Expert
Capacity Planning Awareness Working Advanced Expert Expert
Disaster Recovery Design Awareness Working Advanced Expert Expert

Observability & Monitoring

6 skills · 30 requirements
Skill Junior Middle Senior Lead Principal
Logging
Structured Logging Awareness Working Advanced Expert Expert
ELK Stack Awareness Working Advanced Expert Expert
Metrics & Monitoring
Prometheus & Grafana Awareness Working Advanced Expert Expert
Custom Business Metrics Awareness Working Advanced Expert Expert
Alerting & On-Call
SLI / SLO / SLA Awareness Working Advanced Expert Expert
Incident Management
On-Call Management Awareness Working Advanced Expert Expert

Version Control & Collaboration

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

Documentation

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Technical Documentation
Architecture Documentation: C4, arc42 Awareness Working Advanced Expert Expert
Runbook & Playbook Writing Awareness Working Advanced Expert Expert

Performance Engineering

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Profiling
CPU Profiling Awareness Working Advanced Expert Expert
I/O & Disk Profiling Awareness Working Advanced Expert Expert
Optimization
Database Performance Tuning Awareness Working Advanced Expert Expert
Benchmarking
Benchmarking Tools & Methodology Awareness Working Advanced Expert Expert
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