Adrian Arrechea
Full-Stack Business Solution Developer
Salary / Daily rate
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Full-stack developer with an MBA and systemic analyst background, driven by a passion for building scalable, clean, and tested business software. I leverage a unique blend of technical expertise and a solid business experience to translate complex requirements into high-performance, user-centric applications
Work experience
Lead Developer / Architect
Apr 2026 - Present
7 months
– Architected a comprehensive, decoupled multi-platform ecosystem centered on a modular Django 5.0 and DRF API that serves as the single source of truth for Web, Admin, and Mobile clients. – This production grade system leverages PostgreSQL, Celery/Redis for background task orchestration, and Stripe for payment integration, while providing high-performance state management across React 19 web SPAs and a React Native (Expo 54) mobile app via TanStack Query v5. – The architecture is fully Dockerized and features secure biometric authentication through Expo Secure Store.
Aridos Fontana
Jan 2011 - Present
15 years 10 months
Full-Stack Developer
Jan 2025 - Present
1 year 10 months
– Architected and engineered a comprehensive, end-to-end real estate management platform utilizing a Django and React stack. – Designed and implemented secure, scalable system architectures to manage complex sales procedures, digital contracts, and stakeholder relationships, utilizing PostgreSQL for robust data integrity and persistence.
Manager of the Board of Directors
Jan 2011 - Jan 2025
14 years 1 month
– Directed high-impact strategic operations and business initiatives for a leading industrial firm, consistently optimizing organizational growth through data-driven decision-making and rigorous financial control.
Lead Developer / Engineer
Mar 2026 - Apr 2026
2 months
– Engineered a production-ready, Dockerized platform utilizing Django and React 19 to manage complex logistics logic and real-time event tracking. – The architecture prioritizes high-performance state management through TanStack Query and Zustand, ensuring seamless data synchronization across the frontend while maintaining robust security protocols via JWT.
Developer
Jan 2026 - Jan 2026
1 month
– Developed a scalable content platform built on a Django and React stack, specifically designed for high-volume data handling. – Integrated TanStack Query to manage complex server-state and data synchronization, and optimized backend query performance and user-facing search capabilities by implementing Django Filters.
International Consultant
United Nations
Jan 2016 - Jan 2017
1 year 1 month
– Developed a specialized SME diagnostic tool, architecting the underlying database and business logic to streamline complex reporting processes and improve operational transparency for international development initiatives.
Education
Universidad de Deusto
MBA & Business Analytics, Big Data
Universidad Argentina de la Empresa
System Analyst & Business Administration