Francisco Javier Martín Fernández
@franciscojaviermartn
I build production full-stack platforms with TypeScript, DDD, and scalable pipelines.
SpainWhat I'm looking for
At Retelia, I lead development of a PIM platform managing 22,000+ SKUs, owning its backend, frontend, and asynchronous integrations. I led a frontend refactor that reduced code by 10.3%, cut “god files” by 40%, and tripled supported endpoints.
I also built OpenATS, a self-hosted applicant tracking system with AI-powered CV parsing and weighted candidate scoring. I enjoy designing production-ready systems end to end, from hexagonal/DDD backends and React interfaces to Docker-based VPS deployments.
Experience
Work history, roles, and key accomplishments
Fullstack Developer
Retelia
Sep 2025 - Present (1 year)
Lead developer of a PIM platform managing 22,000+ SKUs, built with hexagonal/DDD architecture. Led frontend refactor, introduced Zod and React Query, and designed asynchronous pipelines with BullMQ.
Education
Degrees, certifications, and relevant coursework
IES La Puebla
Higher Vocational Training Certificate, Web Application Development
2023 - 2025
Grade: 8.5/10
Higher Vocational Training Certificate in Web Application Development. Final average grade: 8.5/10.
Tech stack
Software and tools used professionally
Availability
Location
SpainAuthorized to work in
Website
energyrex.devPortfolio
openats.energyrex.devJob categories
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