Hello, I'm
Daniel FonsecaSystem Architect
A systems architect with more than 10 years of experience turning complex challenges into scalable, high-impact solutions. Founder & CTO of Dafon Online, where I help companies cut IT costs by up to 60% while improving performance and security. Know more
01.About me
System Architect
A systems architect with more than 10 years of experience turning complex challenges into scalable, high-impact solutions. projects from scratch for companies, transforming ideas into complete and scalable systems. Founder and independent developer, I work on creating original software and digital solutions from conception to delivery, combining strategic vision with cutting-edge technical execution.
Expert in developing modern systems using the latest market technologies, including Golang, Java, Cloud Computing, Solidity, Web 3.0, Smart Chains, and Microservices. I integrate Artificial Intelligence (AI) into the development process to accelerate product creation, optimize solutions, and deliver innovative systems that generate real value for companies.
Results-driven technical leader with a proven track record in transforming business challenges into unique digital products. My approach combines robust system architecture, agile methodologies (Scrum, Kanban), DevOps practices and a holistic vision that connects technology, creativity and purpose to create solutions that drive sustainable growth for organizations.
- Golang, Python, Java
- Spring, Grafana, Prometheus
- JavaScript / TypeScript
- HTML5, CSS3, Tailwind, Bootstrap
- Vue, Next, Angular
- Swagger, Postman, Rest, GraphQL
- RabbitMQ, Google Pub/Sub, SQS, SNS
- PostGreSQL, MySQL, Redis, OracleDB, MongoDB
- SOLID, Clean Code, Design Patterns
- AWS, Docker/Kubernetes, Terraform

02.Where I've worked
- SmartSolutions
- LeroyMerlin
- GtGroup
- Exosfera
- Equiplano
- WLabs
- MzTech
03.Projects created

Website
Dafon
The Dafon Website is a modern and responsive web application developed to present Dafon company, its innovative solutions, projects, locations, and contact information. The site was built with a focus on performance, SEO, accessibility, and user experience.
- Landing Page
- NextJS
- TypeScript
- Tailwind
04. Next steps?
Contact me
Deliver exceptional software solutions tailored to your business needs. Let's transform your digital infrastructure together.
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