I'm Constantino Di Nisio, a Full Stack developer and Co-Founder of Kanntraia. I design web platforms, APIs, SaaS architectures, automations and infrastructure with a focus on scalability, security and maintainability.
I'm a Full Stack developer with experience designing and building web platforms, APIs, SaaS architectures and infrastructure.
I'm currently Co-Founder of Kanntraia, where I build technology solutions for organizations and companies, from requirements gathering and architecture design through implementation, testing and deployment.
I also have experience with institutional systems, automation, AI, DevOps and team coordination. I work mainly with Next.js, React, Node.js, TypeScript, PostgreSQL, Prisma, Docker and Linux services.
Alongside my work, I'm completing an ICT Technician degree at Escuela Técnica N°20 “Carolina Muzilli” in Buenos Aires.
At Kanntraia I lead the technical design and development of a platform built around AI assistants, knowledge, processes and integrations. My work spans architecture, Full Stack development, automation, infrastructure and product evolution.
Hands-on experience in product, architecture, development, infrastructure and technical coordination.
Full Stack Developer / Software Architect
Design and development of web solutions, business platforms, automations and AI integrations. Work on application architecture, APIs, databases, infrastructure, DevOps and technical definition of solutions for organizations and companies.
Full Stack Developer / Software Architect
End-to-end design and development of Federalia, a Kanntraia product running in production at the Professional Council of Chemical Engineering (CPIQ) to manage registered professionals, procedures, documents and payments. Full Stack architecture, APIs, permissions, automations, workflows and AI/OCR-assisted document validation.
Full Stack Developer / Technical Lead
Technical lead of a digital wallet in production: backend, online banking, admin panel, mobile app, infrastructure and deployments. Designed a multi-bank architecture based on adapters for transfers, integrated card payments and KYC, ran a security audit (OWASP ASVS) and built a CI pipeline with automated tests and static analysis.
Project Lead — Professional Internship
Coordination and follow-up of web and app development teams, organizing tasks, sprints and deliveries. Involved in technical planning, QA, documentation and project management using collaborative tools and version control.
Full Stack Developer / DevOps
Development and maintenance of a school management platform used by more than 600 users, covering backend, authentication, databases, infrastructure and automated deployments.
A look at the problem, my role and the technical architecture behind the work.
A platform that centralizes registered professionals, procedures, documents, payments and administrative processes, with permissions, automations and document validation.
Simplified architecture
A selection of products and experiments that show different areas of my stack.
Complete academic management platform for Escuela Técnica N°20: students, teachers, attendance, grades, communications and administrative processes.
View repository →Multi-tenant SaaS for technical schools with a central backoffice, plans, subscriptions, auditing and webhooks to each tenant.
View repository →Self-hosted, real-time collaborative code editor. Lets multiple developers work on the same project using CRDTs and WebSockets.
View repository →Automation that monitors freelance opportunities on Workana, drafts AI-assisted proposals and sends automatic Telegram notifications.
View repository →The tools I use to take a solution from idea to production.
I'm open to talking about development, architecture, automation, infrastructure or new professional opportunities.