Freelancer profile translated to English.

Description

Software architecture consultant specialized in the design, analysis, and evolution of Java business platforms.

I accompany companies from problem definition (functional and technical analysis) to the design and implementation of robust, scalable, and maintainable solutions.

Experience in transactional systems, big data processing, cloud backends, and legacy platform modernization.

Languages

Spanish
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Madrid (up to 50km)

KPMG
Software Engineer
TECH
September 2025 - Today (11 months)
Madrid, Spain
Key participation in enterprise platform modernization projects, leading the migration of legacy systems (Java 7, Spring 2.5.6) to modern architectures based on Java 21 and Spring Boot 3.3.6.

Responsible for functional and technical analysis, solution design, migration strategy definition, and evolution of monolithic architectures towards microservices.

Direct client interaction, API design and development, core system maintenance, and database management in highly critical environments.
Java IT Architecture System Integration Software Architecture Spring
DXC
Business Applications Engineer
BANKING AND INSURANCE
February 2024 - September 2025 (1 year and 7 months)
Madrid, Spain
Participation in core projects in the insurance sector for VidaCaixa, developing and evolving highly critical batch processing systems.
Design, development, and optimization of business processes for policy management: new policies, cancellations, contractual modifications, daily and monthly information submissions, generation of contractual documentation, and client reporting.
Development of integrations using SOAP services for communication with corporate backend systems.
Experience in batch processing environments with IBM Batch, Oracle and SQL database management, and optimization of high-volume data processes.
Spring Batch Spring Java SQL Process Automation
Radmas Technologies
Android Applications Developer
HEALTH AND WELLNESS
September 2022 - February 2023 (5 months)
Madrid, Spain
Development of a mobile platform for hospital management in clinical settings, deployed on mobile devices, tablets, and Android TV.
Design and implementation of reusable interfaces and modular components, consumption of REST APIs using Retrofit with dynamic environment configuration (versioning, servers, and complex URLs).
Implementation of MVP and Clean Architecture patterns applying SOLID principles.
Management of build and deployment pipelines for Google Play Store and internal distribution via Azure DevOps.
Java Android Kotlin XML UX/UI