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Hi, I'm Josué Jr., a Software Engineer and Tech Owner with solid experience in Cloud (AWS, Azure, GCP), software architecture, back-end and front-end development, and DevOps practices. I build scalable solutions across microservices and serverless environments, delivering robust APIs and engaging user interfaces. I enjoy turning ideas into reliable, secure systems. Currently at Grupo Marista, I focus on Artificial Intelligence, Prompt Engineering, and LLM optimization (GPT-4, Claude, Gemini, Mistral). I love applying NLP, RAG, and LangChain to enterprise challenges, designing conversational flows and AI-assisted copilots with cross-functional teams.…Hi, I'm Josué Jr., a Software Engineer and Tech Owner with solid experience in Cloud (AWS, Azure, GCP), software architecture, back-end and front-end development, and DevOps practices. I build scalable solutions across microservices and serverless environments, delivering robust APIs and engaging user interfaces. I enjoy turning ideas into reliable, secure systems. Currently at Grupo Marista, I focus on Artificial Intelligence, Prompt Engineering, and LLM optimization (GPT-4, Claude, Gemini, Mistral). I love applying NLP, RAG, and LangChain to enterprise challenges, designing conversational flows and AI-assisted copilots with cross-functional teams.

Josué Jr.

Web Developer, Programmer, Full Stack Developer, +5

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Hi, I'm Josué Jr., a Software Engineer and Tech Owner with solid experience in Cloud (AWS, Azure, GCP), software architecture, back-end and front-end development, and DevOps practices. I build scalable solutions across microservices and serverless environments, delivering robust APIs and engaging user interfaces. I enjoy turning ideas into reliable, secure systems. Currently at Grupo Marista, I focus on Artificial Intelligence, Prompt Engineering, and LLM optimization (GPT-4, Claude, Gemini, Mistral). I love applying NLP, RAG, and LangChain to enterprise challenges, designing conversational flows and AI-assisted copilots with cross-functional teams.…Hi, I'm Josué Jr., a Software Engineer and Tech Owner with solid experience in Cloud (AWS, Azure, GCP), software architecture, back-end and front-end development, and DevOps practices. I build scalable solutions across microservices and serverless environments, delivering robust APIs and engaging user interfaces. I enjoy turning ideas into reliable, secure systems. Currently at Grupo Marista, I focus on Artificial Intelligence, Prompt Engineering, and LLM optimization (GPT-4, Claude, Gemini, Mistral). I love applying NLP, RAG, and LangChain to enterprise challenges, designing conversational flows and AI-assisted copilots with cross-functional teams.

Available to hire

Hi, I’m Josué Jr., a Software Engineer and Tech Owner with solid experience in Cloud (AWS, Azure, GCP), software architecture, back-end and front-end development, and DevOps practices. I build scalable solutions across microservices and serverless environments, delivering robust APIs and engaging user interfaces. I enjoy turning ideas into reliable, secure systems.

Currently at Grupo Marista, I focus on Artificial Intelligence, Prompt Engineering, and LLM optimization (GPT-4, Claude, Gemini, Mistral). I love applying NLP, RAG, and LangChain to enterprise challenges, designing conversational flows and AI-assisted copilots with cross-functional teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Intermediate

Language

Portuguese

Fluent

English

Fluent

Work Experience

Software Engineer at Grupo Marista

June 1, 2024 - Present

Developed modern and scalable architectures using Azure, Java, Spring Boot, Node.js, PHP, Python, React, and Kubernetes; worked with microservices and serverless for high availability and security; as Prompt Engineer, created and optimized prompts for LLMs (GPT-4, ChatGPT, Claude, Gemini, Grok); applied NLP, Generative AI, RAG, and LangChain; defined conversational flows and integrations with AI agents and copilots; collaborated with cross-functional teams for strategic innovation.

PHP Developer at CI&T

June 1, 2024 - October 21, 2025

Tech Owner, Software Engineer, and DevOps focusing on PHP, Laravel, MySQL, Kubernetes, Terraform, GitOps, and CI/CD. Served clients including Dafiti, Cruzeiro do Sul, Dasa, PepsiCo.

PHP Developer at Match | Marketing + Tech

January 1, 2022 - October 21, 2025

Developed in Drupal, integrated Python and Salesforce APIs, implemented BI solutions with Pentaho, using Docker, AWS, and Jenkins.

PHP Developer at Ewave do Brasil

February 1, 2021 - October 21, 2025

Developed in PHP/Zend, REST APIs, MySQL/MariaDB; highlight: delivered digital contract signing module in 15 days.

Senior PHP Developer at Meta

December 31, 2020 - October 21, 2025

Senior PHP Developer, contributed to backend development, system improvements and integration tasks.

Systems Analyst at Solutis Tecnologias

December 31, 2019 - October 21, 2025

Systems Analyst focusing on software development and IT solutions.