Sergio Delfa
Senior Backend Engineer at SonoSuite
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolSergio Delfa is a Senior Backend Engineer based in Barcelona with 12 years of hands-on experience designing and delivering PHP/Symfony applications and backend architectures. He brings strong craftsmanship around development methodologies (Scrum, XP, Lean) and software quality principles (Clean Code, SOLID, design patterns) and is comfortable applying advanced patterns like DDD, CQRS and event sourcing. His career spans product and platform roles—from tech lead responsibilities at Enalquiler to senior backend roles at PromoFarma and now SonoSuite—showing a track record of improving architecture and delivery in e-commerce and marketplace contexts. Sergio pairs practical system architecture and hosting experience with a developer-first mindset (TDD/BDD) and a history of tooling and integration work across SOAP/REST, Salesforce and ERP integrations. Colleagues describe him as a methodical engineer who prioritizes maintainability and pragmatic design over clever hacks. He also has a long background in training and operations, which informs his ability to mentor teams and bridge development with infrastructure.
12 years of coding experience
31 years of employment as a software developer
Técnicas de motivación, Técnicas de motivación at UPC (Universidad Politécnica de Catalunya)Programación Turbo C, Programación Turbo C at British ComputerSymfony BarcelonaBlasting off with Bootstrap, Blasting off with Bootstrap at codeschool.comMCSE NT 4.0, MCSE NT 4.0 at New Horitzons BarcelonaCrafting code Ingeniería de software, Crafting code Ingeniería de software at coduranceDiseño de circuitos con microprocesadores, Diseño de circuitos con microprocesadores at ITF ElectrónicaProgramación herramientas de Control Numérico, Programación herramientas de Control Numérico at Formación Profesional PegasoBetabeers Barcelona
Github Skills (9)
validation6
dotfile5
bash5
shell4
zsh4
modular4
symfony-bundle1
php1
symfony1
Programming languages (3)
Github contributions (5)
skilla/skilla.github.io
Apr 2016 - Dec 2020
Contributions:4 pushes, 1 branch in 4 years 8 months
skilla/ValidatorCifNifNie
Nov 2016 - Apr 2017
Validator for Spanish National documents (CIF, NIF, NIE)
Contributions:4 releases, 19 commits, 5 PRs in 5 months
nationalnifvalidationnievalidator
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