Available to hire
Hello! I’m Alexandra Valenza, a Backend Developer focused on designing, building, and deploying scalable applications. I specialize in Java, Spring Boot, WebFlux, and microservices, and I enjoy tackling cloud migrations and performance challenges.
I’m passionate about clean code, SOLID principles, and delivering reliable REST/GraphQL APIs backed by solid data models in both relational and NoSQL databases. I thrive in collaborative teams and enjoy turning complex requirements into robust software.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
Spanish; Castilian
Fluent
English
Advanced
French
Intermediate
Work Experience
Backend Developer at VASS
July 1, 2025 - PresentParticipation in a cloud migration project from AWS to Azure, deployment and replication of microservices and microfrontends. Managed environments in Azure using ACR, created reusable components with Gluon, automated tasks with Python (bulk uploads, secret injection in GitHub), and built APIs in Azure API Management. Monitored deployment pipelines via GitHub Actions and Azure console. Collaborated in Scrum ceremonies and continuous process improvement.
Backend Developer at CLEVER IT
June 1, 2023 - August 31, 2024Migration and modernization of a legacy textile production system, developing services with Java 17/21, Spring Boot, and WebFlux within a hexagonal architecture. Implemented a distributed Saga-based workflow; orchestrated multiple GraphQL services via Apollo Gateway (Node.js/Express). Integrated Firestore with flow-control logic and persistent state validations; developed Cloud Functions in Node.js; automated file exchanges via FTP and CSV generation. Active participation in meetings with the Product Owner.
Backend Developer at EXPERIS
August 1, 2022 - March 31, 2023Led the development of a mission-based reward system composed of several microservices connected through Pub/Sub in GCP. Implemented REST endpoints, created and integrated MongoDB, supported and fixed issues in the core monolith, and contributed to a shipping management project with hexagonal architecture. Monitored deployments with New Relic for real-time metrics.
Java Developer at INDRA
June 1, 2020 - August 31, 2022Developed a system of six REST microservices to migrate from a legacy SOAP-based system. Performed TDD with mocked data, implemented efficient queries with Spring Data JPA and JDBC, used Ehcache for hot data, and deployed on OpenShift. Followed a contract-first API approach with Swagger; validated endpoints with Postman; code reviews with SonarLint.
Full Stack Developer at EVOL
February 1, 2020 - May 31, 2020Developed PoC projects in NestJS for biometric attendance, including central and integration services with RENIEC. Implemented tests with Jest; persisted data in MongoDB. Contributed to the Ubigeo project using SQL Server stored procedures exposed as REST services in Java 8 (Spring Boot). Built the frontend with Angular 7 and Chart.js dashboards.
Backend Developer at FIRBID
November 1, 2019 - February 29, 2020Developed a NestJS-based backend platform connected to PostgreSQL (TypeORM) in a microservices setup. Built the customer microservice with CRUD, Swagger documentation, and Postman tests; designed new tables/relations and optimized queries; participated in Scrum ceremonies.
Education
Degree in Business & Systems Engineering at Universidad San Ignacio de Loyola
January 1, 2019 - December 31, 2021Official International Scrum Certification at CGI -Management and Innovation
January 1, 2019 - April 7, 2026Qualifications
Official International Scrum Certification
January 1, 2019 - April 7, 2026Industry Experience
Software & Internet, Retail, Financial Services, Telecommunications
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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