Programming Languages

Python

  • Experience: 5+ years
  • Proficiency: Expert
  • Key Libraries: Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch, Flask, Django
  • Use Cases: Data analysis, machine learning, web development, automation

R

  • Experience: 3+ years
  • Proficiency: Advanced
  • Key Libraries: dplyr, ggplot2, tidyr, caret, randomForest
  • Use Cases: Statistical analysis, data visualization, predictive modeling

SQL

  • Experience: 4+ years
  • Proficiency: Advanced
  • Databases: PostgreSQL, MySQL, SQLite, MongoDB
  • Skills: Query optimization, database design, stored procedures

JavaScript

  • Experience: 3+ years
  • Proficiency: Intermediate
  • Frameworks: React, Node.js, Express
  • Use Cases: Web development, API development, data visualization

Data Science & Analytics

Machine Learning

  • Supervised Learning: Regression, Classification, Ensemble Methods
  • Unsupervised Learning: Clustering, Dimensionality Reduction
  • Deep Learning: Neural Networks, CNN, RNN
  • Model Evaluation: Cross-validation, A/B testing, Statistical significance

Data Visualization

  • Tools: Matplotlib, Seaborn, Plotly, ggplot2, Tableau, Power BI
  • Skills: Dashboard creation, Interactive visualizations, Statistical plots

Statistical Analysis

  • Techniques: Hypothesis testing, Regression analysis, Time series analysis
  • Software: R, Python, SPSS, SAS
  • Applications: Experimental design, Causal inference, Predictive modeling

Cloud & DevOps

Amazon Web Services (AWS)

  • Services: EC2, S3, Lambda, RDS, SageMaker
  • Certifications: AWS Certified Cloud Practitioner
  • Experience: 2+ years

Microsoft Azure

  • Services: Azure ML, Data Factory, Cosmos DB
  • Experience: 1+ years

DevOps Tools

  • Version Control: Git, GitHub, GitLab
  • Containerization: Docker, Kubernetes
  • CI/CD: Jenkins, GitHub Actions
  • Monitoring: CloudWatch, Prometheus

Web Development

Frontend

  • Languages: HTML5, CSS3, JavaScript, TypeScript
  • Frameworks: React, Vue.js, Bootstrap
  • Tools: Webpack, Babel, npm

Backend

  • Languages: Python, Node.js, Java
  • Frameworks: Django, Flask, Express.js, Spring Boot
  • APIs: REST, GraphQL

Databases

  • Relational: PostgreSQL, MySQL, SQLite
  • NoSQL: MongoDB, Redis, Cassandra
  • Data Warehousing: Snowflake, BigQuery

Certifications

  • AWS Certified Cloud Practitioner (2023)
  • Google Analytics Certified (2022)
  • Microsoft Azure Fundamentals (2023)
  • Python for Data Science Certification (2021)

Soft Skills

  • Communication: Technical writing, Presentation skills, Stakeholder management
  • Leadership: Team leadership, Mentoring, Project management
  • Problem Solving: Critical thinking, Analytical reasoning, Innovation
  • Collaboration: Agile methodologies, Cross-functional teamwork, Code review