About Jesús
Spanish
Native or bilingual
English
Native or bilingual
German
Conversational
Experience
- AyesaLead Backend Engineer | Banking & Financial SystemsBANKING AND INSURANCEJanuary 2025 - Today (1 year and 7 months)Madrid, SpainSystem Architecture & Data Processing: Engineered end-to-end backend solutions for both online and batch environments. Developed robust online applications using Java 11 and Oracle SQL, while architecting high-throughput batch ecosystems using Apache Spark (Java 17), Spring Batch, and DataX to orchestrate large-scale data migrations.Infrastructure Design & Documentation: Spearheaded the technical design of complex job chains and online component structures. Produced comprehensive technical documentation to ensure system maintainability and knowledge continuity across the engineering lifecycle.Quality Engineering & Deployment: Leveraged modern CI/CD workflows (Jenkins and GitHub Actions) to maintain rapid, error-free deployment cycles. Possess official GitHub Actions certification, ensuring deep technical proficiency in optimizing and managing development workflows.Engineering Excellence & Mentoring: Enforced code quality using SonarQube and GitHub Copilot, consistently driving Clean Code principles and OOP best practices. Acted as a technical lead, mentoring junior developers and providing structural guidance to elevate team delivery standards.
- NTT DataBackend Software Engineer | Banking & Financial SystemsBANKING AND INSURANCEOctober 2023 - December 2024 (1 year and 2 months)Madrid, SpainCore Development & Batch Processing: Developed and maintained robust backend applications using Java 8 and Spring Batch, focusing on high-performance data processing within the banking sector. Orchestrated complex data flows between SQL and MongoDB databases to meet strict financial operational requirements.Pipeline Operations: Utilized established Jenkins CI/CD workflows to ensure reliable, error-free deployment cycles and consistent system stability across releases.Quality Assurance & Technical Guidance: Architected comprehensive test suites using JUnit and Mockito to guarantee code reliability. Leveraged SonarQube to enforce rigorous quality standards. Acted as a technical resource for junior team members, providing guidance and code reviews to improve team output and maintain project standards.
- SGSInternational Project Lead & VBA Developer | Textile QACHEMICALOctober 2012 - October 2015 (3 years)Madrid, SpainGlobal Operations & Stakeholder Management: Orchestrated end-to-end quality assurance operations across seven countries (China, India, Pakistan, Bangladesh, Italy, Turkey, and Bulgaria). Acted as the strategic bridge between diverse cross-functional teams, ensuring alignment with international quality standards and operational milestones.Systems Engineering & Automation: Designed and maintained custom analytical tools using VBA, transforming complex, fragmented global datasets into centralized, automated dashboards.Data-Driven Decision Making: Streamlined reporting workflows by replacing manual processes with scalable, analytical management tools. This increased operational visibility and enabled stakeholders to make rapid, metric-based decisions, directly improving the efficiency of global production cycles.
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Education
- Arquitectura APX, Servicios ASO y LRBABBVA2024Arquitectura APX, Servicios ASO y LRBA
- Bootcamp en Java Spring BootLucatic2023Bootcamp en Java Spring Boot