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
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02.Where I've worked

  • SmartSolutions
  • LeroyMerlin
  • GtGroup
  • Exosfera
  • Equiplano
  • WLabs
  • MzTech

03.Projects created

Dafon PDF Extractor API image

API

PDF Extractor API

This API processes PDF documents to identify and extract company names, NIFs (Portuguese Tax Identification Numbers), and related data.

  • Restfull API
  • Python
  • Swagger
  • Docker
DafonCV banner image

SaaS

DafonCV

A smart solution born from years of research and validation of a real pain point faced by millions: the overwhelming time spent creating and customizing resumes, especially to meet the strict criteria of automated screening systems like ATS

  • SaaS
  • NextJS
  • Golang
  • Tailwind
  • MySQL
Dafon website image

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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