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
ExpertAdvanced proficiency in Python ecosystem: Pandas, NumPy, Scikit-learn for data analysis and machine learning
Deep Learning
AdvancedTensorFlow, Keras, PyTorch - Neural networks, CNN, RNN, transformers
Machine Learning
AdvancedClassification, Regression, Clustering, Time Series, Recommendation Systems
Data Engineering
AdvancedETL/ELT, Apache Spark, Data Pipelines, Airflow
Backend Development & Architecture
Java
Expert15+ years experience, Spring Boot (Expert), Spring Cloud, enterprise applications
Python Backend
AdvancedFastAPI, Django, Flask - REST APIs, async programming
Databases
ExpertPostgreSQL, MySQL, ElasticSearch (Expert), MongoDB, Redis, Cassandra
Architecture
ExpertMicroservices (Expert), REST APIs, GraphQL, Event-Driven, DDD
Cloud & DevOps
AWS
ExpertEC2, S3, Lambda, RDS, ECS/EKS - Solutions Architect Associate
Containerization
ExpertDocker Swarm (Expert), Docker Compose
CI/CD
AdvancedGit (Expert), GitLab CI, Jenkins, GitHub Actions, Terraform
Monitoring
AdvancedPrometheus, Grafana, ELK Stack, DataDog
Security & Compliance
GDPR
ExpertComplete GDPR implementation, data protection, privacy by design
Application Security
AdvancedOWASP, Secure Coding, Penetration Testing
Authentication
AdvancedOAuth 2.0, JWT, SAML, Keycloak
Compliance
IntermediatePCI DSS, ISO 27001, SOC 2
Management & Leadership
Team Management
ExpertTeam Building (Expert), Coaching, Mentorship, Remote Management
Methodologies
ExpertAgile/Scrum (Expert), Kanban, SAFe, Lean
Strategy
ExpertProduct Roadmap (Expert), Enterprise Architecture, Change Management
Communication
ExpertExecutive Presentation (Expert), Negotiation, Conflict Management
Business Domains
FinTech
ExpertFinancial Markets (Expert), Payments, Risk Management, Blockchain
E-commerce
ExpertSearch & Discovery (Expert), Recommendation Systems, Conversion Optimization
AdTech
IntermediateRTB, Data Management Platform, Attribution
Social Networks
AdvancedGraph 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