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♥️ 💎 🍀

My skills required for future performances

✅ Event Driven
✅ Spring Boot: Spring Security upgrade
✅ Spring Boot: Virtual Thread
✅ Spring Boot: GZIP Compression
❌ Git Brush up
❌ Spring Boot: JUnit 5 and Mockito, MockMvc, TDD
❌ Spring Boot 3 Observability | Monitor Method & Service Performance
❌ Spring Session
❌ Spring Integration
❌ Spring HATEOAS
❌ Spring Modulith
❌ Spring REST Docs
❌ Spring AI
❌ Spring Batch
❌ Spring for Apache Kafka
❌ Spring for Apache Pulsar
❌ Spring Boot: Implement and use Redis for caching
❌ Java Upgrade
❌ Advance Caching using Redis
❌ GraphQL

Checklist for Skill Upgrade for a Spring Boot Developer with 7 Years of Experience

Core Spring Boot Skills

  • Spring Framework Basics

    • Dependency Injection
    • Aspect-Oriented Programming (AOP)
    • Spring MVC

  • Spring Boot Fundamentals

    • Spring Boot Annotations
    • Spring Boot Starters
    • Application Configuration (application.properties/application.yml)
    • Spring Boot Actuator

  • Spring Boot Testing

    • Unit Testing with JUnit
    • Integration Testing
    • Mocking with Mockito
    • Testing REST APIs

  • Data Access

    • Spring Data JPA
    • Hibernate
    • Transaction Management
    • Spring Data REST
    • Query Methods and Custom Queries

  • Security

    • Spring Security
    • OAuth2 and JWT
    • Method-level Security

Advanced Spring Boot Skills

  • Microservices Architecture

    • Building Microservices with Spring Boot
    • Service Discovery with Eureka
    • API Gateway with Zuul or Spring Cloud Gateway
    • Load Balancing with Ribbon
    • Circuit Breaker with Hystrix or Resilience4j

  • Spring Cloud

    • Spring Cloud Config
    • Spring Cloud Bus
    • Distributed Tracing with Sleuth and Zipkin
    • Spring Cloud Stream
    • Spring Cloud Function

  • Reactive Programming

    • Project Reactor
    • WebFlux
    • Reactive Data Access

  • Performance Tuning and Monitoring

    • JVM Tuning
    • Using Spring Boot Actuator for Monitoring
    • APM tools like New Relic, Dynatrace, or Prometheus

DevOps and CI/CD

  • Containerization

    • Docker Basics
    • Docker Compose
    • Building and Running Spring Boot Applications in Docker

  • Continuous Integration/Continuous Deployment

    • Jenkins, GitLab CI, or GitHub Actions
    • Building Pipelines for Spring Boot Applications
    • Automated Testing and Deployment

  • Cloud Platforms

    • Deploying Spring Boot Applications on AWS, Azure, or Google Cloud
    • Using Platform as a Service (PaaS) like Heroku, Cloud Foundry, or OpenShift

Soft Skills

  • Communication

    • Effective Communication with Team Members and Stakeholders
    • Writing Clear and Concise Documentation

  • Collaboration

    • Agile/Scrum Methodologies
    • Version Control with Git
    • Code Review Best Practices

  • Problem-Solving

    • Debugging Skills
    • Analytical Thinking

Emerging Technologies and Trends

  • Kubernetes

    • Basics of Kubernetes
    • Deploying and Managing Spring Boot Applications in Kubernetes

  • Serverless Architecture

    • Introduction to Serverless
    • Using AWS Lambda or Azure Functions with Spring Boot

  • GraphQL

    • Basics of GraphQL
    • Integrating GraphQL with Spring Boot

Professional Development

  • Certifications

    • Spring Certified Professional
    • AWS Certified Solutions Architect
    • Certified Kubernetes Administrator (CKA)

  • Community Engagement

    • Participating in Conferences and Meetups
    • Contributing to Open Source Projects

  • Continuous Learning

    • Online Courses and Tutorials (Pluralsight, Udemy, Coursera)
    • Reading Technical Books and Blogs

Top 10 Features/Skills Every Spring Boot Java Developer Should Know as a Team Lead

1. Core Spring Boot Fundamentals

  • Dependency Injection (DI): Understand and efficiently use Spring's core feature for managing beans and dependencies.
  • Spring Boot Auto-Configuration: Leverage auto-configuration to simplify application setup.
  • Profiles and Configuration: Master environment-specific configurations using profiles (application-{profile}.properties) and externalized configuration.

2. Advanced Spring Boot Configuration

  • Custom Starters: Create custom Spring Boot starters for reusable components across multiple projects.
  • Health Checks and Monitoring: Use Spring Boot Actuator to monitor application health, expose custom metrics, and build observability into microservices.

3. REST API Development

  • Spring MVC: Deep knowledge of controllers, request mappings, and response entities.
  • Validation: Implement robust input validation with @Valid and custom validators.
  • HATEOAS: Understand how to make APIs self-descriptive and navigable.

4. Microservices Architecture

  • Spring Cloud: Familiarity with Spring Cloud components for building resilient and scalable microservices (e.g., Eureka, Config Server, Zuul/Gateway, and Hystrix).
  • Service Communication: Proficiency in using Feign Clients and RestTemplate for inter-service communication.

5. Database and ORM Mastery

  • Spring Data JPA: Expertise in repository patterns, custom queries, and advanced JPA features like caching, lazy/eager loading.
  • Database Migration: Knowledge of database versioning tools like Flyway or Liquibase.
  • Reactive Programming: Understanding of reactive repositories using Spring Data Reactive and R2DBC.

6. Security

  • Spring Security: Implement authentication and authorization using JWT, OAuth2, or session-based mechanisms.
  • Role-based Access: Configure role-based access control and secure APIs efficiently.
  • CSRF and CORS: Handle CSRF tokens and configure CORS for secure cross-origin requests.

7. Performance Optimization

  • Caching: Utilize caching frameworks like Redis or Ehcache to optimize performance.
  • Asynchronous Programming: Use @Async and CompletableFuture for non-blocking operations.
  • Bulkhead and Circuit Breaker Patterns: Implement resilient patterns using libraries like Resilience4j.

8. Testing

  • Unit Testing: Proficiency in JUnit 5, Mockito, and Spring Boot Test.
  • Integration Testing: Writing tests with embedded databases (e.g., H2) and MockMvc for REST endpoints.
  • Performance Testing: Familiarity with tools like JMeter or Gatling for testing application scalability.

9. DevOps and Deployment

  • CI/CD: Knowledge of Jenkins, GitHub Actions, or similar tools for CI/CD pipelines.
  • Containerization: Proficiency in Docker and Kubernetes for deploying Spring Boot applications.
  • Observability: Implement logging (e.g., Logback), tracing (e.g., Zipkin), and monitoring with Prometheus and Grafana.

10. Team Leadership and Collaboration

  • Code Review: Ability to perform and guide effective code reviews for quality assurance.
  • Mentorship: Guide team members in adopting best practices, debugging issues, and improving productivity.
  • Agile Practices: Familiarity with Agile methodologies, story sizing, sprint planning, and backlog grooming.

Bonus Skills

  • Reactive Programming: Master frameworks like Project Reactor for building reactive streams and non-blocking services.
  • API Documentation: Use tools like Swagger/OpenAPI for documenting APIs.
  • Message Queues: Experience with Kafka, RabbitMQ, or ActiveMQ for building event-driven systems.

As a team lead, combining technical expertise with leadership qualities will help you drive the team efficiently and ensure project success.