Hello, I'm
Daniel FonsecaSoftware Engineer & Architect
For more than ten years I have designed and scaled high-availability systems from the ground up. At enterprise companies such as MEO Altice and Leroy Merlin, I turn demanding business problems into dependable cloud-native platforms on AWS, backed by well-designed REST APIs.
I own the full delivery cycle: architecture, secure development, DevOps, and production. I also connect your existing systems with AI agents so integrations stay practical and teams move faster without giving up stability. Go, Python, microservices, REST APIs, and event-driven messaging with RabbitMQ are where I do my strongest work.
As Founder and CTO of Dafon Online, I lead engineering and product delivery with the same focus I bring to client work: clear priorities, solid architecture, and digital products built to grow with the business. Know more
01.About me
Software Engineer & Architect
For more than ten years I have designed and scaled high-availability systems from the ground up. At enterprise companies such as MEO Altice and Leroy Merlin, I turn demanding business problems into dependable cloud-native platforms on AWS backed by well-designed REST APIs. I also build projects from scratch when companies need ideas turned into complete, scalable systems ready for production.
I cover the full delivery cycle: architecture, secure development, DevOps, and production. My stack includes Go, Python, Java, microservices, and REST APIs. I connect existing systems with AI agents so teams ship faster without losing stability. For messaging and async workflows I work with RabbitMQ and Google Pub/Sub, and I use Supabase when a secure backend with auth, storage, and real-time data helps the product ship faster.
As Founder and CTO of Dafon Online, I lead as a technical leader who turns business challenges into digital products built to last. My approach combines robust system architecture, agile methodologies (Scrum, Kanban), and DevOps practices to deliver solutions that support 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, Supabase, MySQL, Redis, MongoDB
- SOLID, Clean Code, Design Patterns
- AWS, Docker/Kubernetes, Terraform
02.Where I've worked
- Meo
- LeroyMerlin
- Grownt
- Zero Emissions World
- Equiplano
- Alterdata
- MzTech
03.Projects created
SaaS
TechCuisine
Know your real cost before the dish leaves the kitchen. TechCuisine is an AI-powered platform that builds smart recipe sheets with yield-corrected costing, menu engineering, batch scaling, and supplier insights — so every dish is priced for profit, not guesswork.
- Python
- Next
- MongoDB
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
Website
Dafon
We build modern software solutions powered by AI and cloud. The Dafon corporate site is the digital front door for a company that delivers scalable, secure systems — web apps, mobile, enterprise platforms, and APIs — with agile delivery and end-to-end support from idea to launch.
- Next
- Prisma
- 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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