● Open to new opportunities

Franco Grion
Backend Engineer.

8+ years building reliable, scalable systems across fintech, travel and banking. Specialist in Java microservices and cloud-native architectures — currently expanding into Rust.

View Experience Get in touch

📍 Barcelona, Spain

Career

Work Experience

Years experience

35%

Async processing speedup @ Amadeus

Industries served

Senior Java Engineer

Amadeus

May 2022 - Sep 2025 · Remote

Expense Management Platform

Built and maintained microservices powering high-volume financial workflows.
Upgraded core services from Java 17 to 21, improving performance and memory efficiency.
Implemented async processing with RabbitMQ, cutting processing time by 35%.
Improved observability with Grafana dashboards and custom metrics.
Contributed to CI/CD pipelines and Kubernetes deployments.

Java 17-21Spring BootOracle DBRabbitMQKubernetesGrafanaJenkins

Java Developer

AlAhli NCB (via Crealogix)

Dec 2020 - May 2022 · Remote

Maintained and modernized the main banking portal for Saudi Arabia's largest bank.
Developed new microservices to replace legacy monolithic components.

Java 7SpringOracle DBSOAPGitLabJira

Java Developer

Alpha Fintech (via Qubits SRL)

Dec 2016 - Jun 2018 · Remote

Payment Processor Integration Hub

Built two REST APIs from scratch for secure payment processor integrations.
Refactored legacy systems to improve stability and performance.
Developed microservices using Java 8, Spring Boot and PostgreSQL.

Java 8Spring BootPostgreSQLRESTSOAPMavenJenkins

Full-Stack Developer

Southwest Airlines (via Globant)

Oct 2015 - Nov 2016 · Argentina

Enhanced the Southwest.com portal using jQuery and Backbone.
Contributed to migration toward microservices architecture.
Built automated test suites with JBehave.

jQueryBackboneRESTJBehaveJava

Working Holiday

New Zealand

Jul 2018 - Nov 2020

Adaptability, communication and multicultural teamwork across an international environment.

Beyond Code

More about me

🦀

Learning Rust

Building CLI tools and small backend services as personal projects. Comfortable with ownership, lifetimes, traits, async/await and Cargo. Working through Rustlings, Exercism and OSS contributions.

🏆

Argentine Mathematical Olympiad

Reached national level four times — a formative challenge that shaped my problem-solving mindset and love for rigorous, precise thinking.

📢

Leadership

Former Press Commission President at AVEIT, leading communications and team coordination. Strong background in public speaking and community engagement.

🌍

Languages

Spanish — Native
English — Fluent
Italian — Intermediate

Franco GrionBackend Engineer.

Franco Grion
Backend Engineer.