Data Science & AI

Machine Learning, Deep Learning, NLP

Cloud & DevOps

AWS, Docker Swarm, CI/CD

Backend Development

Python, Java, Node.js, APIs

Leadership & Management

Team Building, Agile, Strategy

Data Science & Artificial Intelligence

Python

Expert

Advanced proficiency in Python ecosystem: Pandas, NumPy, Scikit-learn for data analysis and machine learning

Deep Learning

Advanced

TensorFlow, Keras, PyTorch - Neural networks, CNN, RNN, transformers

Machine Learning

Advanced

Classification, Regression, Clustering, Time Series, Recommendation Systems

Data Engineering

Advanced

ETL/ELT, Apache Spark, Data Pipelines, Airflow

Backend Development & Architecture

Java

Expert

15+ years experience, Spring Boot (Expert), Spring Cloud, enterprise applications

Python Backend

Advanced

FastAPI, Django, Flask - REST APIs, async programming

Databases

Expert

PostgreSQL, MySQL, ElasticSearch (Expert), MongoDB, Redis, Cassandra

Architecture

Expert

Microservices (Expert), REST APIs, GraphQL, Event-Driven, DDD

Cloud & DevOps

AWS

Expert

EC2, S3, Lambda, RDS, ECS/EKS - Solutions Architect Associate

Containerization

Expert

Docker Swarm (Expert), Docker Compose

CI/CD

Advanced

Git (Expert), GitLab CI, Jenkins, GitHub Actions, Terraform

Monitoring

Advanced

Prometheus, Grafana, ELK Stack, DataDog

Security & Compliance

GDPR

Expert

Complete GDPR implementation, data protection, privacy by design

Application Security

Advanced

OWASP, Secure Coding, Penetration Testing

Authentication

Advanced

OAuth 2.0, JWT, SAML, Keycloak

Compliance

Intermediate

PCI DSS, ISO 27001, SOC 2

Management & Leadership

Team Management

Expert

Team Building (Expert), Coaching, Mentorship, Remote Management

Methodologies

Expert

Agile/Scrum (Expert), Kanban, SAFe, Lean

Strategy

Expert

Product Roadmap (Expert), Enterprise Architecture, Change Management

Communication

Expert

Executive Presentation (Expert), Negotiation, Conflict Management

Business Domains

FinTech

Expert

Financial Markets (Expert), Payments, Risk Management, Blockchain

E-commerce

Expert

Search & Discovery (Expert), Recommendation Systems, Conversion Optimization

AdTech

Intermediate

RTB, Data Management Platform, Attribution

Social Networks

Advanced

Graph Algorithms, Feed Optimization, Community Management

Expertise Levels

Expert

5+ years, can train others, architectural decisions

Advanced

3+ years, independent work, complex projects

Intermediate

1+ years, guided work, standard implementations

Technology Portfolio

Interactive overview of technical expertise across different categories

Python

Expert

Java

Expert

JavaScript

Intermediate

SQL

Expert

Bash/Shell

Advanced

Spring Boot

Expert

FastAPI

Advanced

Scikit-learn

Expert

TensorFlow

Advanced

PyTorch

Advanced

Node.js

Intermediate

Ruby on Rails

Intermediate

ElasticSearch

Expert

PostgreSQL

Expert

MySQL

Expert

Redis

Advanced

Couchbase

Intermediate

Docker Swarm

Expert

Git

Expert

Jenkins

Advanced

Terraform

Advanced

Grafana

Advanced

AWS

Expert

Google Cloud

Intermediate

GitLab CI

Advanced

GitHub Actions

Advanced

Linux

Expert