Native iOS Engineering
Building maintainable applications with Swift, UIKit, SwiftUI, testing and concurrency.
SENIOR iOS ENGINEER · TECHNICAL LEADERSHIP
Building iOS products. Owning the decisions behind them.
10+ years building native mobile products across banking, fintech, telecommunications and digital services. I work at the intersection of architecture, product collaboration and engineering quality.
A DECADE OF BUILDING
10+Years of native iOS engineering
01 / PORTFOLIO
All projects ↗Selected work.
A selection of real mobile products I have contributed to, from digital banking to mobility and education.
MOBILE PRODUCTHOME & ACCOUNTS
Digital banking · United States
Openbank U.S.
Hands-on iOS engineering across Home, Accounts and Payments, with technical leadership of the shared Home & Accounts squad.
Explore case studyMOBILE PRODUCTTREASURY
Commercial banking · United States
Santander Treasury Mobile
Built Santander U.S.'s native iOS banking application from scratch as its sole iOS engineer, taking a hands-on lead in mobile architecture, technical decisions and delivery.
Explore case studyMOBILE PRODUCTFINTECH
Fintech · Buy now, pay later
Aplázame
Technical leadership of the Aplázame iOS application across product design, backend refinement, native development, testing and App Store release.
Explore case studyMOBILE PRODUCTMOBILITY
Mobility · Public services
ADIF
Owned the technical evolution of ADIF's native iOS app as its sole iOS engineer, delivering functionality, resolving issues and improving accessibility.
Explore case study02 / EXPERTISE
More than code.
The work behind reliable apps goes beyond the implementation: good architecture, alignment and thoughtful delivery.
Scalable Architecture
Clean Architecture, modular boundaries, dependency injection and pragmatic trade-offs.
Technical Leadership
Helping teams align on design decisions, code quality and dependable delivery.
Product Collaboration
Turning product goals into feasible solutions with product, backend and mobile teams.
End-to-End Delivery
From early technical definition to builds, releases, App Store deployment and iteration.
AI-Aware Engineering
Exploring AI-assisted development workflows while applying rigorous review, testing and engineering judgment.
03 / RECOMMENDATIONS
View all recommendations ↗What colleagues and clients say.
First-hand feedback from people I have worked with on mobile products and engineering teams.
“Pablo destaca por su forma de abordar los retos técnicos: analiza con criterio, propone soluciones bien fundamentadas y se anticipa a posibles problemas antes de que aparezcan.”
“His critical thinking and good communication skills encourage sharing creative ideas that benefit all teams involved (not only dev teams but also design teams).”
“Pablo ha sido referente en el desarrollo de las capacidades comerciales de la aplicación mi vodafone en la tecnología IOS.”
04 / WRITING & RESOURCES
Explore knowledge hub ↗Notes on engineering.
Ideas and technical notes about Swift, architecture, delivery and the craft of engineering.
SwiftUI
SwiftUI state & ownership — quick reference
A practical comparison of @State, @Binding, classic ObservableObject wrappers and the Observation model.
Read note ↗ArchitectureOOP in Swift: abstraction, encapsulation, inheritance & polymorphism
A clear mental model of the four pillars, composition over inheritance, and how Swift protocols change the design trade-offs.
Read note ↗ArchitectureGenerics, associated types, some & any in Swift
A practical study guide to generic constraints, associatedtype, opaque types and existential trade-offs.
Read note ↗ENGINEERING EXPERIENCE10+years across banking, fintech, telecom, education and enterprise services.
05 / ABOUT
Engineering with a product mindset.
I am a Senior iOS Engineer with more than 10 years of experience building native mobile applications. I enjoy technical problem-solving, collaborating across disciplines and taking responsibility for delivering dependable products.
TEACHING · KEEPCODING
Explore my experience ↗iOS Concurrency & Networking Instructor
Taught the iOS Concurrency and Networking module in KeepCoding's mobile development bootcamp (2021–2022).
06 / CONTACT
Let’s build something meaningful.
Open to conversations about iOS engineering, architecture and technical leadership.