HN IT FIRM

Welcome to HN IT FIRM – Your Partner in Scalable Web & AI Development. We are a specialized IT agency based in Lisbon, Portugal, dedicated to helping startups and established businesses build robust, future-proof software. We bridge the gap between complex backend architecture and seamless user experiences. By leveraging modern, AI-assisted development workflows, our team prototypes, builds, and scales custom web applications significantly faster than traditional development timelines—passing the efficiency and high-quality results directly to our clients. ⚙️ Our Core Capabilities: Custom SaaS & Web Apps: End-to-end development using Node.js, Express, and PHP (Laravel). We build fast, secure, and scalable digital products. AI & LLM Integration: We embed Artificial Intelligence into your business. From OpenAI/Claude API integrations to intelligent customer support chatbots and automated workflows. Advanced E-Commerce: Custom-engineered retail systems, specializing in dual-role B2B (wholesale) and B2C (retail) platforms with complex custom pricing and inventory logic. Backend & API Architecture: Secure RESTful API development, legacy code upgrades, and database optimization (MySQL, PostgreSQL, MongoDB). Modern Frontend Engineering: Dynamic and responsive user interfaces built with modern JavaScript (React) and Tailwind CSS. 🤝 Why Partner With HN IT FIRM? We provide more than just code. We offer technical consulting, reliable project management, and transparent communication. Whether you need a complex e-commerce engine built from scratch or an AI chatbot integrated into your existing platform, we ensure a smooth, stress-free delivery. Relevant Experience: Standard e-commerce templates often fail when business logic gets complex. We recently architected Seba Express, a high-performance, custom e-commerce system that seamlessly manages both B2B wholesale pricing and B2C retail checkouts within a single, unified backend. We can bring that same level of complex database engineering to your store. Let’s build the future of your business. Invite our agency to your job to get started!