About Marc
Build high-performance web apps or automate the bottlenecks slowing you down? I provide the engineering to do both.
I am a Junior Full Stack & Automation Engineer with a "product-first" mindset. I build the user-facing tools your business needs while engineering the "invisible" automation that keeps your operations running at 10x speed.
How I Help Your Business:
I help founders and CTOs bridge the gap between complex architecture and intelligent automation. Whether launching an MVP or integrating AI, I deliver clean code and robust workflows that solve real business pains.
My Dual Expertise (The 50/50 Split):
- Full Stack Engineering:
I build responsive, scalable web apps using React, Next.js, and TypeScript. On the backend, I develop reliable microservices with Node.js, Express, and PostgreSQL, managing CI/CD pipelines (GitHub Actions/AWS) for high stability.
- AI & Process Automation
I "hunt" for manual friction using n8n orchestration to connect your CRM, Slack, and internal tools. I deeply embed LLMs (Claude, Gemini) for data classification and autonomous workflows with minimal intervention.
What I Deliver:
End-to-End Internal Tools: Custom web apps that solve specific operational pains (e.g., my CapEx Reviewer Tool built for The Knot Worldwide).
Automated Data Pipelines: Seamless ingestion systems that sync data between third-party services and your core databases.
Scalable Frontends: High-performance SSR applications built with Tailwind CSS.
AI Agents: Intelligent workflows that leverage Prompt Engineering to automate technical and financial reviews.
The Difference:
I worked in international engineering teams at The Knot Worldwide where I learned how big companies are growing. I don't just "hack" things together; I build sustainable architecture that grows with your business.
Ready to build the architecture of tomorrow? Let’s connect and discuss your project.
Catalan
Native or bilingual
Spanish
Native or bilingual
English
Fluent
Italian
Conversational
Polish
Basic
Can work on-site
Barcelona (up to 40km)
Experience
- FreelanceCREATOR & LEAD AI Automation DeveloperTECHSeptember 2025 - Today (10 months)
- n8n Workflow Orchestration: Architected and deployed an end-to-end automation pipeline using n8n to autonomously generate short-form video content for TikTok and YouTube Shorts.
- LLM Integration & Prompt Engineering: Designed and iterated on complex LLM prompts to consistently generate structured, high-retention video scripts, handling JSON data parsing for downstream tasks.
- REST API Integration: Engineered multi-step workflows connecting external REST APIs for Text-to-Speech (TTS) digital voice synthesis and copyright-free media sourcing.
- System Architecture: Built a scalable, zero-touch automation system that handles decision-making processes, file retrieval, and content assembly with minimal manual intervention.
- THE KNOT WORLDWIDEBackend Engineer InternshipTECHNovember 2025 - April 2026 (5 months)Barcelona, Spain
- Developed and maintained scalable backend services and internal developer tools within a complex microservices architecture using TypeScript and Node.js in a fully English speaking, international team
- Wrote clean, maintainable, and well-structured code while collaborating closely with senior engineers on the design of secure software components
- Secured CI/CD pipelines (Jenkins, GitHub Actions) by implementing least-privilege token policies using AWS Secrets Manager
- Focused on backend reliability by integrating security, observability, and performance considerations into end-to end backend solutions
- Implement RESTful APIs and backend services using Node.js, Express, or similar server-side frameworks
- Use Git and pull requests for version control, branching strategies, and collaborative development
- Participate in code reviews, providing and receiving constructive feedback to improve code quality
- LA SALLE URLAssociate Professor - Methodology and Programming in CSeptember 2024 - July 2025 (10 months)Barcelona, SpainTeaching a course focused on the fundamental concepts and techniques of C programming. This includes basic syntax, control structures, and data handling. Students are also helped with basic concepts such as variables and arrays.
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Education
- Bachelor's Degree in Computer Engineering2026Bachelor's Degree in Computer Engineering
Certifications
- CCNA: Introduction to NetworksCisco2023