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Senior Full-Stack Engineering & AI Solutions Architecture

A software engineering practice led by Joaquim Manzini. 15+ years building scalable systems for global clients, from B2B platforms to AI-powered enterprise applications.

What I Build

End-to-end solutions with a focus on reliability, scalability, and maintainability.

Full-Stack Architecture

Complete system design from database to frontend. TypeScript, React, Next.js, Node.js, and Python backends that handle real-world scale.

AI & LLM Integration

Integrating and consuming major LLM APIs to enhance AI-driven functionalities. Building intelligent applications with OpenAI, Anthropic, and other providers.

Cloud & DevOps

AWS and GCP infrastructure. CI/CD pipelines, containerization with Docker, and infrastructure management for seamless deployment and system reliability.

Legacy System Modernization

Strategic migration of legacy systems to modern architectures. Preserving business logic while improving maintainability and performance.

Recent Experience

A track record of delivering systems that scale.

Joaquim Manzini
2025 – Present

Senior Software Engineer

SoftwareValue.ai (San Francisco, CA) - Remote

Developing full-stack applications with focus on scalability and performance. Integrating major LLM APIs, building modern frontend solutions, and handling DevOps for seamless deployment.

2024 – Present

Founder & Senior Software Engineer

cajus.dev

Independent software engineering practice serving global clients. Full-stack development, AI integration, and cloud architecture consulting.

2012 – 2024

Systems Analyst

Dalmark Systems (11 years)

Architected and managed advanced solutions for B2B/B2C Sales, WMS, Fleet Management, and Salesforce integration. Led CI/CD pipeline improvements and cloud infrastructure management.

2008 – 2012

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Available for Global Contracts

Based in Brazil, working with clients worldwide. Let's discuss your next project.