Data Engineering HIGH DEMAND

Data Analyst

Analyzing data for business decisions, building reports and dashboards

Learn more about role All roles
48 skills
240 requirements
131 mandatory
14 domains
Awareness 48 Working 48 Advanced 48 Expert 96
Level:
All domains Programming Fundamentals 7 Backend Development 3 Database Management 6 API & Integration 3 Cloud & Infrastructure 4 DevOps & CI/CD 1 Testing & QA 2 Security 2 Data Engineering 10 Machine Learning & AI 2 AI-Assisted Development 3 Architecture & System Design 1 Observability & Monitoring 2 Version Control & Collaboration 2
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

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
Web Frameworks
Python Web Frameworks Awareness Working Advanced Expert Expert
Caching
Redis Awareness Working Advanced Expert Expert
Search Engines
Elasticsearch / OpenSearch Awareness Working Advanced Expert Expert

Database Management

6 skills · 30 requirements
Skill Junior Middle Senior Lead Principal
Relational Databases
PostgreSQL Awareness Working Advanced Expert Expert
MySQL / MariaDB Awareness Working Advanced Expert Expert
NoSQL Databases
ClickHouse Awareness Working Advanced Expert Expert
Database Optimization
Database Indexing Awareness Working Advanced Expert Expert
Query Optimization Awareness Working Advanced Expert Expert
Data Modeling
Data Modeling & Schema Design Awareness Working Advanced Expert Expert

API & Integration

3 skills · 15 requirements
Skill Junior Middle Senior Lead Principal
REST API
REST API Design Awareness Working Advanced Expert Expert
GraphQL
GraphQL Design Awareness Working Advanced Expert Expert
API Management
API Documentation Awareness Working Advanced Expert Expert

Cloud & Infrastructure

4 skills · 20 requirements
Skill Junior Middle Senior Lead Principal
Containerization
Docker Awareness Working Advanced Expert Expert
Kubernetes & Orchestration
Kubernetes Core 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 · 5 requirements
Skill Junior Middle Senior Lead Principal
CI/CD
GitHub Actions / GitLab CI Awareness Working Advanced Expert 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

2 skills · 10 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

Data Engineering

10 skills · 50 requirements
Skill Junior Middle Senior Lead Principal
Batch Processing
dbt Awareness Working Advanced Expert Expert
Pandas / Polars Awareness Working Advanced Expert Expert
SQL-based ETL Awareness Working Advanced Expert Expert
Data Warehousing
Data Warehouse Design Awareness Working Advanced Expert Expert
Data Governance
Data Catalog Awareness Working Advanced Expert Expert
Data Lineage Awareness Working Advanced Expert Expert
Data Contracts Awareness Working Advanced Expert Expert
Data Quality
Data Quality Awareness Working Advanced Expert Expert
Data Orchestration
Apache Airflow Awareness Working Advanced Expert Expert
Data Visualization
BI Dashboards Awareness Working Advanced Expert Expert

Machine Learning & AI

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Classical Machine Learning
Classical ML (scikit-learn) Awareness Working Advanced Expert Expert
MLOps
Experiment Tracking 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

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

Observability & Monitoring

2 skills · 10 requirements
Skill Junior Middle Senior Lead Principal
Logging
Structured Logging Awareness Working Advanced Expert Expert
Metrics & Monitoring
Prometheus & Grafana 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
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