JanRosell
Data Engineer & BIA at Dot Consulting and Co-founder & CTO at Express My Health.Exploring modern computing to deliver thoughtful software solutions with purpose and precision.
About Jan
Computer Science Engineering graduate from the UPC, working at the intersection of product, data and technology. As Co-founder & CTO at Express My Health, I lead the technical vision, architecture and product direction of a secure assistive communication platform. At Dot Consulting I work as Data Engineer & BIA, turning data and AI into analyses and tools the business can actually use.
Beyond software, I'm into finance and investments, and just as much into sport.Born and based in Barcelona, with three years spent living in Ireland, bringing a mindset shaped by engineering rigor and a hands-on drive to craft meaningful, lasting solutions.
Technologies
The tools and languages I use to build and innovate in the digital world.
Backend, Data & Infra
- Python
- Node.js
- NestJS
- PostgreSQL
- Business Intelligence
- Linux (Arch/Debian)
- VPS
- Docker
- Self-hosting
- C, C++
- RESTful API Design
Frontend & AI
- TypeScript
- Next.js
- Astro
- React
- Angular
- HTML5, CSS3, SCSS
- AI-assisted development
- UI/UX Design Principles
- Figma
Leadership & Soft Skills
- Entrepreneurship
- Technical Leadership
- Startup Management
- Strategic business vision
- Analytical thinking
- Problem-Solving
Experience_&_Education
Co-founder & CTO
- Lead the technical vision, architecture and development of a secure assistive communication platform.
- Drive strategic decisions, product design and innovation aligned with user needs and clinical feedback.
- Coordinate client meetings, user testing, and partner collaboration to ensure real-world validation and impact.
- Oversee a cross-functional team, define agile processes and ensure scalable, maintainable codebases across services.
Data Engineer & BIA
- Integrate AI tools into consulting workflows to speed up analysis, research and delivery.
- Design and maintain data pipelines that turn raw sources into reliable, queryable datasets.
- Build Business Intelligence models and reports that help teams make clearer decisions.
Computer Science Graduate
- Graduated in June 2026 with a B.Sc. in Computer Science Engineering, specializing in Software Engineering.
- Built a strong foundation in AI, cybersecurity, software development and architecture.
Software Developer
- Develop a full-featured web interface for real-time video visualization and device configuration using modern frontend technologies.
- Design and implement backend components including database schemas, API integrations and system logic.
- Take full ownership of the frontend architecture, UI/UX, and client-side logic for complex workflows.
- Integrate intelligent modules into production systems, including people-counting and analytics features.
Technical Support Scholar
- Provided technical support and contributed to analysis and organization of events.
UNICAT Ambassador
- Promote EU career opportunities to university community through events and student outreach.
Interested?
Let's_Connect
Always open to discussing new ideas, challenging projects, or collaboration opportunities.