Backend
Business logic, services and integrations engineered for demanding environments.
Backend developer · Murcia
I build the backend that keeps everything running.
I’m Sergio Moreno García. I turn complex requirements into reliable systems, seamless integrations and scalable digital products.
BackendIntegrationsPerformance
2014Career started
9+ yearsBuilding software
2 industriesBanking and telecom
Backend✦Architecture✦Integrations✦Digital products✦Performance✦Reliability✦
01 / About
Technical expertise with a product mindset.
I’m 33 years old, and my career spans hands-on fieldwork, full-stack development and backend specialization.
My experience has taught me to understand not just the technology, but the context in which people use it. I focus on building maintainable systems, making sound technical decisions and delivering fast, intuitive digital experiences.
Full-stack
A complete view of the product, from the web experience to the server-side architecture.
Critical environments
Hands-on experience with mission-critical banking and telecommunications systems.
02 / Experience
A career built one step at a time.
Over a decade of professional experience, from telecommunications infrastructure to software engineering for large organizations.
- —05
Backend Developer
CaixaBank
- —04
Backend Developer
Banca March
- —03
Backend Developer
Telefónica · Telecom Operators & CRM
- —02
Full-Stack Developer
Alfatec Sistemas, S.L.
- —01
Fiber Optic Installer
Telecanal 2, S.L.
03 / Projects
Independent products built with purpose.
Digital products where I combine technical expertise, attention to detail and a practical, user-first approach.
01 Live
Savings habit planner
SaveTempo
Build saving routines, know what to save today and track every contribution at your own pace. Your money always stays outside SaveTempo.
02 Beta
Dynamic badge platform
BadgeWars
Dynamic SVG badges to embed in websites and profiles, with independent leaderboards and a private collection to manage your badges.
Visit BadgeWars ↗
03 Live
Online productivity suite
MyWorkingArea
A collection of online tools for working with PDFs, images, documents and everyday productivity tasks—quickly, privately and with nothing to install.
Visit MyWorkingArea ↗
04 Beta
Website monitoring and incident tracking
Vyrsea
Checks whether your websites respond, groups each domain's services in a single dashboard and tracks every incident from outage to recovery.
Visit Vyrsea ↗
04 / Contact
Have a project in mind?
Tell me what you need. I’ll get back to you as soon as possible to discuss how I can help.