Description

Senior Software Engineer with 10+ years of experience in mobile and backend development. Specialized in building scalable, high-performance financial applications using Kotlin, Swift, Spring Boot and modern architectures.

I have led mobile teams, worked as Technical Leader, and contributed to end-to-end product development, from backend services and APIs to mobile applications in production with thousands of users.

I combine strong technical expertise with a product-oriented mindset and a high sense of ownership. I enjoy working on complex systems, optimizing performance, and mentoring other engineers. Currently open to senior engineering opportunities in high-impact technical environments.

Languages

Spanish
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Madrid (up to 50km)

Santander Consumer Finance
Mobile & Backend Engineer
AUTOMOBILE
June 2022 - December 2025 (3 years and 6 months)
Madrid, Spain
• Led the development of two mobile applications within the leasing ecosystem: a customer‑facing app for contract management, onboarding, invoices and appointments; and an internal dealer app.
• Designed and implemented backend services in Kotlin + Spring Boot, including a notification orchestration service consuming Kafka events and a unified business‑logic service for both iOS and Android.
• Implemented a UI‑driven backend response model, enabling extremely lightweight mobile clients and improving scalability, maintainability and release cycles.
• Developed production‑ready features on both iOS (SwiftUI) and Android (Kotlin / Jetpack Compose), collaborating closely with product, QA and backend teams.
• Participated in architectural decisions across mobile and backend and contributed to code quality, performance and system reliability.
• Worked in a highly senior, horizontal engineering team with end‑to‑end ownership of services and mobile components.
Kotlin Swift Spring boot GraphQL
Softtek
Mobile Technical Leader & Scrum master for Real Madrid CF
SPORTS
August 2021 - June 2022 (10 months)
Madrid, Spain
• Led a cross‑platform team of 5 engineers (2 Android, 2 iOS) delivering the official Real Madrid app.
• Designed the overall iOS &Android architecture, ensuring scalability, consistency and maintainability across platforms.
• Acted as Scrum Master, coordinating sprints, ceremonies and dependencies within an Agile Release Train.
• Collaborated directly with Real Madrid PMs, Product Owners and Tech Leads across multiple squads to ensure the best mobile experience for the Real Madrid fans.
• Provided technical direction, code reviews and mentorship to mobile engineers.
• Conducted technical interviews to grow the mobile engineering team.
Team management Swift Kotlin Software Architecture Mobile App Deployment
Softtek
Mobile Team Leader
DIGITAL AND IT
June 2021 - June 2022 (1 year)
Madrid, Spain
• Oversaw the entire mobile division (15–20 developers) across multiple clients and projects.
• Provided technical direction, oversight and support to iOS & Android teams, ensuring quality and delivery.
• Acted as a hybrid manager + senior engineer,joining key projects to assist with architecture and unblock teams.
• Coordinated resource allocation, onboarding and alignment with project managers and stakeholders.
• Led and conducted technical interviews to evaluate and select engineering talent.
Mobile App Deployment Team management Swift Software Architecture Kotlin

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B.S.
Universidad de BuenosAires
2015
B.S.

Fernando Pereira

Senior Mobile/Backend Engineer

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