Skills
Tools & Technologies
8 years of hands-on experience across the full web stack. Proficiency levels reflect real production usage — not just familiarity.
Core / Expert
Used daily, production experience, deep knowledge
Proficient
Used in multiple projects, comfortable and effective
Familiar
Worked with in projects, can use with some ramp-up
Languages
Core / Expert
TypeScriptJavaScript
Proficient
SQL
Familiar
PL/SQLJava
Frontend
Core / Expert
ReactNext.jsTailwind CSS
Proficient
Ant DesignReact NativeAngularNuxt.jsRedux
Familiar
MobX
Backend
Core / Expert
Node.jsNestJS
Proficient
ExpressOpenAPI / Swagger
Familiar
Spring Boot
Databases & Search
Core / Expert
MongoDB
Proficient
PostgreSQLRedisMySQLCassandra
Familiar
ElasticsearchSolr
DevOps & Cloud
Proficient
DockerGitLab CI/CDNginxLinuxPM2Tencent Cloud
Familiar
KubernetesJenkinsKafkaMinIOGoogle Cloud PlatformAWS EC2
AI & Agentic Systems
Core / Expert
Multi-agent OrchestrationClaude Tool Use / Function CallingPrompt-Driven DevelopmentClaudeCursor
Proficient
n8nRAG (Retrieval-Augmented Generation)OllamaWorkflow AutomationOpenCrawl (opencrawl.ai)Discord / LINE Bot Integration
SEO & Growth Engineering
Proficient
Technical SEOrobots.txt / noindex / canonicalCrawlability & Indexing OptimizationSSR / CDN / Cache for SEOBot Protection & Traffic FilteringGA4 Analytics & Content PerformanceEditorial Performance DashboardSEO Tool & Checker DevelopmentKeyword Research & ClusteringAI SEO Content Automation
Familiar
DataForSEO APIGoogle Suggest / Trends Data
Engineering Principles
Core / Expert
REST API Design & OpenAPI
Proficient
SOLID PrinciplesDomain-Driven Design (DDD)Clean ArchitectureDesign Patterns (Repository, Factory, Observer, Decorator)Test-Driven Development (TDD)Unit / Integration / E2E TestingMicroservices ArchitectureDatabase Design & NormalizationData Structures & AlgorithmsConcurrency & Async PatternsCaching Strategies
Familiar
Event-Driven Architecture
Ways of Working
Core / Expert
Technical LeadershipAgile / ScrumCross-functional CollaborationStakeholder Communication
Proficient
Sprint PlanningEngineering Mentoring