Optimize your LinkedIn & Naukri profiles, use the right job search strategies and improve DSA & system design skills to increase interview calls and get hired faster.

Optimize your Fiverr & Upwork profiles for success: Use keyword-rich titles, showcase best work, and customize proposals to attract clients. Follow these steps to stand out in the freelance market!

Mindset shift from side hustle to full-time freelance: Know the key differences between part-time and full-time freelancing, including time commitment, risk level, income potential, work stability, and growth opportunity.

Versioning, Exception Handling, Security (Placeholder), Logging, Caching, Pagination, Sorting, Filtering, and Swagger Docs are implemented in this code.

APIs should follow RESTful principles, use versioning for backward compatibility, and consistent HTTP methods & status codes. Implement pagination, filtering, and sorting for large datasets, and secure with authentication & authorization.

OAuth 1.0 provides secure authorization via digitally signed requests, unlike OAuth 2.0 which uses bearer tokens. It's more complex but still used for legacy systems.

HTTP/3 is the latest evolution of HTTP protocol, overcoming TCP-level HOL blocking with QUIC, enhancing web performance, security & reliability.

Software engineers must consider ethical implications, data privacy, and fairness in their work.

Elasticsearch is a NoSQL database & search engine optimized for full-text search, real-time analytics & high-speed data retrieval, unlike traditional relational databases.

Master backend security with OAuth 2.0, JWT tokens, SQL injection prevention, XSS protection, CORS handling & encryption mechanisms. Build robust and secure apps with a multi-layered approach.

OAuth 2.0 is an authorization framework that enables secure delegated access, while JSON Web Tokens (JWT) are self-contained tokens for authentication and information exchange.

Lambda Expressions & Method References, Streams API & Parallel Streams, Collectors & Functional Interfaces: Mastering Functional Programming in Java with Lambda, Streams and Functional Interfaces.

Mastering JVM, JDK, JRE & JIT Compiler, Garbage Collection, Immutability, and more: essential Java concepts for efficient app development.

Load Balancing 101: Round Robin, Least Connections, Consistent Hashing & more. Learn how to optimize performance, ensure high availability & handle failovers with reverse proxies, sticky sessions & global load balancing.

Spring Boot logging explained: config, best practices & ELK stack integration. Learn how to log in Spring Boot, from basic configuration to advanced topics like structured logging and MDC.

Mastering Logging in Spring Boot: Configure logging levels, implement structured logging, and centralize logs with the ELK stack for improved debugging and monitoring.

kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.7.0/aio/deploy/recommended.yaml` `kubectl expose deployment nginx-deployment --type=NodePort --port=80` `kubectl label namespace default istio-injection=enabled

Master essential commands for Maven, Docker, Kubernetes, and Helm to boost backend dev skills and streamline deployment processes.

Mastering Regular Expressions (Regex) is a valuable skill for developers, allowing efficient text processing and precise pattern matching. Learn the basics, syntax, and advanced techniques with practical examples and best practices.

Built a Spring Boot CRUD API & integrated Swagger for API documentation, enabling easy interaction & testing of the API without manual documentation.

Concurrency is key to high-performance apps. Mastering concurrency & multithreading concepts with practical examples & best practices will help you build robust & scalable software.

Markdown Cheatsheet: Learn how to format text with headings, emphasis, lists, links, images, blockquotes, code, and more. Essential elements for efficient document formatting.

Unlock system reliability with Observability! Monitor performance with Metrics (e.g., CPU usage), debug issues with Logs, and optimize requests with Traces. Integrate all three for a complete observability stack.

Kafka integrates seamlessly with Spring WebFlux for reactive messaging, enabling asynchronous processing, high-throughput event streams, and scalable microservices architecture.

Event Sourcing explained through Git: immutable events, replaying commits as state reconstruction, and parallel event streams (branches) for eventual consistency.