Manuel Delgado Sánchez
Backend Software Engineer
Java & Spring Boot Specialist
Building robust enterprise systems from Salamanca, Spain
About
Backend Software Engineer with over 3.5 years of experience designing and deploying scalable Microservices architectures for international clients in the Transport and Banking sectors. Specialized in Java (8, 11, 17), Spring Boot, and Cloud-native environments (Kubernetes, Docker, OpenShift).
Holder of a Masters degree in Mobile Computing (MSc), providing a unique ability to design backend APIs optimized for mobile consumption. Experienced in CI/CD pipelines, code quality (SonarQube, Fortify), and agile methodologies. Proven track record of working in English-speaking environments and mentoring junior developers.
Experience
Backend Software Engineer
INDRA
Remote / Madrid, Spain
2024-05 — Present
CurrentCore engineer for the Mobility & Transport Division, managing critical systems for international clients (Panama, Northern Ireland) and national networks.
- Architected and maintained a distributed system of 10+ Microservices using Java 17 and Spring Boot, ensuring high availability.
- Implemented asynchronous communication patterns using Apache ActiveMQ and synchronous REST APIs protected with Spring Security.
- Managed deployments across QA, Pre-production, and Production environments using Jenkins pipelines and Helm charts on Kubernetes.
- Optimized database performance by redesigning schemas and tuning complex SQL queries in PostgreSQL.
- Led technical mentoring sessions for junior team members and produced architectural documentation in English.
Advanced Software Consultant
AKKODIS (Consultant for INDRA)
Remote, Spain
2024-03 — 2024-05
Led migration of legacy modules to modern microservices using Spring Boot and JPA/Hibernate.
- Led the migration of legacy modules to modern microservices using Spring Boot and JPA/Hibernate.
- Designed and documented REST APIs using OpenAPI/Swagger standards.
- Ensured code quality and security standards were met using SonarQube.
- Collaborated daily in an international environment, handling all technical specifications in English.
Software Engineer (Project: Banco Santander)
VIEWNEXT
Salamanca, Spain
2022-06 — 2024-03
Built high-volume document processing systems for international branches (Spain, Germany, USA).
- Built high-volume document processing systems using Java 8, Spring Framework, and Hibernate for international branches (Spain, Germany, USA).
- Designed robust Spring Batch processes for ETL operations handling massive XML datasets.
- Deployed containerized applications using Docker on OpenShift (Red Hat).
- Integrated security scans and code quality gates using Fortify and SonarQube within Jenkins pipelines.
- Developed backend services for the SANDI virtual assistant using MySQL and Oracle.
Software Engineer Intern
VIEWNEXT
Salamanca, Spain
2022-02 — 2022-05
Pre-hire internship focused on backend development with Java and Spring Boot.
- Successfully transitioned to a full-time role upon completion due to performance.
Skills
Backend
DevOps & Cloud
Databases
Quality & Tools
Frontend (Basics)
Education
MSc Mobile Computing
Universidad Pontificia de Salamanca
2024 – 2025
TFM: 10/10Master's thesis on mobile software architecture. Developed a cross-platform mobile application using Flutter, integrating it with a Java Backend.
Bachelor's Degree in Computer Engineering
Universidad de Salamanca
2016 – 2022
Specialization in Software Engineering.
Featured Projects
DrFitness
Full-stack fitness platform with member management, class scheduling, and subscription billing. Master's thesis project integrating Flutter mobile app with Java backend.
LaLigaApp
Hybrid web/mobile app showing LaLiga teams and matches. Demonstrates multi-platform architecture.
LaLigaAppAndroid
Native Android implementation of the LaLiga application, showcasing mobile development expertise.
Languages
Spanish
Native
English
Upper Intermediate
Get in Touch
Open to new opportunities
Feel free to reach out for opportunities and collaborations
Located in Salamanca, Spain