Portfolio

Online invoicing software for freelancers and small companies in Spain. Sequential numbering, VAT and IRPF calculated, PDF and email delivery, ready for Verifactu.

Mobile wallet for the DAI and USDC stablecoins. The user opens an account, tops it up by card, pays partner businesses and sends remittances.

Network of low-cost IoT sensors measuring the urban environment, with a 25-sensor pilot in Barcelona feeding data to the Servei Meteorològic de Catalunya.

IoT platform that collects positions from GPS alarms, smart watches and sensors, with mobile safety alarms and SMS medication reminders for care staff.

Live-streaming platform where trainers design classes, invite an audience and broadcast workouts; members subscribe to the classes they choose.

Cloud risk management tool for a fintech startup. Risks grouped in layers, shared between companies, rated and shown as tables, lists, maps, charts and trees.

Cross-platform mobile app for an HR company in Belgium with vacancy search and filters, a candidate profile, chat with the regional offices and a chatbot.

App that treats insomnia with a six-week cognitive behavioural therapy programme (CBT-I), with a web test, iOS and Android apps and payment with employee benefit vouchers.

Cloud management system for a Norwegian router maker. Customers watch their multi-WAN router fleet and its failover in real time and configure each device.

Custom SaaS CRM for an international recruitment consultancy, with automations, B2B data enrichment through apollo.io and a ChatGPT-based AI assistant.

Cáritas Española website on Drupal 10 with custom modules for one-off and recurring donations through Redsys, PayPal and Stripe, fundraising campaigns and donor synchronisation with Salesforce.

Encrypted messaging platform for doctors, patients and medical students, with private channels for institutions, a digital doctor ID and AI tools for medicine.

Integration platform on Azure for a Norwegian backup provider. Users build workflows between cloud and on-premise systems. Code base rewritten before launch.

Website of a cybersecurity company built as a secure static deployment with Next.js, Strapi, GitLab CI/CD and Cloudflare Pages, while keeping content editing simple.

NopCommerce online shop of a Danish sushi chain with plugins for campaigns, gift cards, loyalty discounts, an order limit at peak hours and SAF-T tax reports.

Migration of the core application of the leading Czech pub-quiz organiser from Nette to Laravel, cloud deployment and a new e-commerce module with GoPay.

Mobile app for the research project of a German business school. It records walking, running and cycling, proposes challenges and calculates CO2 saved per trip.

CRM, client portal, RFID inventory, camera-based safety and a replicable infrastructure for a chain of water-sports centres in four countries.

B2B platform connecting interior designers with European furniture manufacturers, integrating their 3D catalogues so every design becomes a production order.

Native iOS and Xamarin app where a private trader checks live prices, opens and closes positions, sets orders and manages a CFD and forex account.

Time-series storage, real-time APIs and a web application for a French AgriTech company managing sensors on farms and in homes across Europe and the Middle East.