Microservices ExpertiseDeep understanding of microservices principles, including service decomposition, bounded contexts, and database strategies (e.g., shared databases, per-service databases).API DevelopmentExpertise in developing RESTful and GraphQL APIs and implementing API security, rate limiting, and throttling.Messaging SystemsExperience with asynchronous messaging systems (e.g., RabbitMQ, Kafka) and event-driven architectures.Database TechnologiesHands-on experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB) and strong knowledge of database design patterns for microservices.DevOps PracticesFamiliarity with DevOps tools and practices, including CI/CD pipelines, infrastructure as code (Terraform), and cloud-native deployment.Performance and ResilienceStrong understanding of performance optimization, fault tolerance, and resiliency patterns (e.g., Circuit Breaker, Bulkhead, Retry).Security Best PracticesIn-depth knowledge of securing microservices architectures, including OAuth2, mTLS, and JWT.Experience with Frontend FrameworksFamiliarity with frontend technologies (React, Angular, Vue.js) for building full-stack solutions is a plus.Experience with Legacy ModernizationKnowledge and experience with migrating legacy systems to microservices architecture, including the use of the Strangler pattern.