I'm a Senior Software Engineer with a passion for backend development, especially in Java, Python and Spring Framework. I have a keen interest in web technologies and a curiosity for exploring new software development paradigms.

• 🌱 I’m always learning about Java, Python, design patterns, and best practices in REST APIs.
• 👨‍💻 All of my projects are available at my GitHub.
• 💬 Ask me about Java, Python, Web, Spring, Maven, and Software Architecture.
• 📫 How to reach me: LinkedIn
• 💞️ I’m frequently looking to collaborate on interesting projects, java and python based.

• Backend Development: Java, Python, Spring, Maven, Hibernate, REST APIs, Microservices
• Web Technologies: HTML5, CSS, JavaScript, Json, Data APIs
• Databases: SQL, NoSQL, Oracle, PostgreSQL, MySQL, MariaDB, H2 DB
• Others: Design Patterns, REST API Development

• Secure Password Hashing in Java - Secure password hashing in Java using modern algorithms like BCrypt, Argon2, and PBKDF2 with salting and computational intensity for better security.
• Python flask server running check - A python flask web server utility to check that a server is up and running.
• Cryptography Utils in Java - A utility library for cryptography in Java.
• Python Code & Tests - A collection of useful Python scripts and tests.
• More projects are available on my GitHub repositories.

• [Dev.To] Python Multithreading: Unlocking Concurrency - The essentials of Python multithreading with practical examples and best practices to enhance application performance through concurrency.
• [DZone] Secure Password Hashing in Java: Best Practices and Code Examples - Secure password hashing using modern algorithms like BCrypt, Argon2, and PBKDF2 with salting and computational intensity for better security, as alternative to SHA-512.
• [Dev.To] Best API Performance Testing Tools in 2024 - Analysis of the top API performance testing tools for 2024, including JMeter, Postman, Locust, Gatling, and Grafana k6. For devs / QA engineers focused on API load testing.
• [LinkedIn Pulse] The Modern Landscape: A Comparison of Leading Java Frameworks - A Java framework landscape comparison between the top players on the market: Spring, Quarkus, Micronaut, JakartaEE and Helidon.
• [LinkedIn Pulse] Comparing the popular Web Application Servers in the market - A technical comparison between the main web and application servers available for java applications, such as Tomcat, Jetty, Netty, Undertow, Nginx and Wildfly.
• [LinkedIn Pulse] Welcome to cyborgs era: a reading of technology with us 24/7 - Article about the integration of technology in our daily lives. It explores the various innovations that are blurring the line between humans and machines.
• [LinkedIn Pulse] GPT-4: The Next Leap in AI Language Models - What to expect? - A technical review on GPT-4, the latest AI language model by OpenAI, that brings significant advancements in natural language and accurate outputs.
• [LinkedIn Pulse] Google BARD vs. OpenAI ChatGPT: AI Technologies comparison - A technical comparison between the language models Google BARD and OpenAI ChatGPT, the cutting-edge AI technologies of the moment.
• [Freelance Business Month Europe] Freelance IT Market in Belgium - Talking about Belgium IT market movement and numbers. Where the opportunities are. How to start. Advantages and disadvantages. Business areas to target.
• More available on my LinkedIn.

• LinkedIn: Wallace Espindola
• My Company's Website: www.wtechitsolutions.com
• Twitter: @wsespindola