Hello, My name is

Mario Palacios Vásquez

Software Engineer

About Me

Software Engineer with over 5 years of experience, I specialize in designing, developing, and deploying scalable cloud-based software solutions. My expertise lies in Java, Go, and the Spring ecosystem (Spring Boot, Spring Security, OAuth2.0), and I have a proven track record of building innovative, user-friendly applications for clients worldwide. I am highly skilled in leveraging AWS cloud services to deliver robust, secure, and high-performance systems. Whether you need a new application from scratch, want to modernize your existing software, or require ongoing support, I bring a detail-oriented and client-focused approach to every project.

  • Name: Mario Palacios Vásquez
  • Location: Argentina
  • Email: mepvdevelopments@gmail.com
A photo of Mario Palacios Vásquez, Software Engineer
Work
Certification

Java Software Engineer

Accenture | Caterpillar
Dec 2022 -

AWS Certified Cloud Practitioner

Earners of this certification have a fundamental understanding of IT services and their uses in the AWS Cloud. Show credential
2023

Java Software Engineer

Globant | BBVA Colombia
May 2021 - Dec 2022

My Skills

Java Icon Go Icon Python Icon PHP Icon Docker Icon Linux Icon

Languages/Tools

Spring Framework Icon Amazon Web Services Icon Digital Ocean Icon Laravel Icon NGINX Icon kafka Icon

Frameworks/Tools

Oracle PL/SQL Icon PostgreSQL Icon Redis Icon MongoDB Icon git Icon OAuth2.0 Icon

Databases/Tools

Collaboration

Want to work on a Project together?

Java / Go / Python / PHP

Expert in building robust and scalable applications using Java, Go, Python and PHP. From enterprise-level systems to lightweight microservices, I deliver clean, maintainable code that meets your business requirements.

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Spring Boot / Microservices / API Integration

Specializing in Spring Boot ecosystem, I design and implement microservices architectures with secure API integrations. Experience with Spring Security, OAuth2.0, and seamless third-party service integration.

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Backend Development

Comprehensive backend solutions leveraging AWS cloud services, databases (PostgreSQL, MongoDB, Redis, Oracle), and modern DevOps practices. Focus on performance, security, and scalability for production-ready systems.

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Projects

Spring Boot e-Commerce Microservices OAuth2.0 AWS Web Development
Books API / Auth Server A project where I develop a custom auth server like keycloak, okta using Spring Authorization Server. Following OpenID Connect 1.0 Identity Providers and OAuth2 Authorization Server best practices.
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Caching Proxy Server Project to build a CLI tool that starts a caching proxy server, it will forward requests to the actual server and cache the responses.
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X Bookmarks Project to interact with X (twitter) API to retrieve user bookmarks. It follows OAuth2.0 Authorization Code with PKCE flow to obtain X JWT to successfully integrate with the API.
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Adventure Spring AI Project to develop a POC of a system to interact with OpenAI LLM API with Spring AI. It prompts the system, analyze and generate images, transform text into audio and viceversa with the OpenAI models.
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Caterpillar Modernization and development of a microservices-based e-commerce configuration tool, enabling customers to customize and purchase construction equipment online.
BBVA - TransfiYa Project to send and receive inter-banks transfers through the ACH system, in which I developed web services to be consumed internally by the bank to make REST calls to create and request data to ACH. As well to validate data with BBVA's internal services provided by HOST and APX architectures.

Contact Me

Name

Mario Palacios Vásquez

Email

mepvdevelopments@gmail.com

Socials

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