+++ title = "About Lorenzo" +++

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I'm a backend software engineer with over a decade of experience in both product companies and consulting.

Currently Senior Staff Engineer and Tech Lead at ProntoPro & Armut, a fast-growing product company with a large user base and global reach.

Skilled in a range of technologies including Go, Php, MySQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, Helm, Grafana, Sentry, git, Drone, and Asana. Experienced in distributed and large-scale systems design and proficient in various architectures, patterns, and best practices.

I have a solid theoretical foundation from my master's degree in computer science.

GitHub | LinkedIn

• Led the development of new features and managed two teams of software engineers responsible for product development.
• Designed and implemented microservices and event-driven architectures, resulting in a scalable, maintainable, and reliable platform.
• Worked with stakeholders to define requirements and implemented solutions that met business needs.
• Developed and implemented automated testing strategies and CI/CD automation, resulting in improved code quality and faster release cycles.
• Contributed to defining the vision and strategy of the engineering department.
• Mentored colleagues and conducted technical-themed talks.
• Ensured the best development experience by gathering feedback from colleagues with biweekly 1:1s.

Accomplishments:

• Conceptualized, designed and implemented a new matching algorithm focused on user reactivation, which increased the number of quotes by ~2% and reactivated hundreds of users per month.
• Contributed to building a new Matching Algorithm to join customers and professionals based on past behaviors using machine learning, bringing a significant impact on the company's revenues.
• Built the first feature in the company that reliably implements an Event-driven architecture based on Kafka and the outbox pattern.
• Improved the developer experience by decentralizing a docker-compose-based dev environment.
• Built the first microservice to use CQRS, domain modeling (DDD), and event-driven architecture based on RabbitMQ.
• Developed a SERP microservice using Go and Elasticsearch, enabling search and filtering of 1M professionals from 1k different job types.
• Implemented an authentication system based on OAuth 2.0 and OpenID standards, utilizing a custom Go microservice for Identity Provider and ory/hydra for OAuth 2.0, OpenID flow orchestration.

I worked as a consultant for the Italian traffic police. I managed the technological modernization of a complex legacy system for the management of manual and automatic fines. Java with Swing framework and Oracle database were the technology used.

As a Data Engineer, I managed the transformation of relational and textual data in Linked Open Data. This includes the design of ETL processes, the choice of appropriate RDF ontologies, and the build of a SPARQL database.

As a Software Engineer, I developed web applications in Java and Php for the management of public calls and funds of the Umbria region.

Engineering of web and mobile applications. Technologies: Magento 2, Joomla, PHP 7, Java 7, Android, MySQL, HTML, JavaScript, CSS.

Grade: 110/110 cum laude

Thesis: "Linked Data knowledge base enrichment with Machine Learning"

• Programming languages: Go, Php, Java, Python
• Databases: MySQL, Elasticsearch, Cassandra, Redis
• Message Brokers: RabbitMQ, Kafka
• Containerization: Docker, Kubernetes, Helm
• Monitoring and Logging: Grafana, Sentry
• Version Control: git
• Project Management: Asana
• Testing: unit, integration, functional, TDD
• Architectures: event-driven, microservices, layered, hexagonal, event-sourcing, domain modeling
• Data Modeling: CQRS, denormalization, caching
• Communication: message brokers, REST, GraphQL, Pub/Sub
• Requirements Specification: example mapping, acceptance criteria, BDD

• Email: lorenzofranco.ranucci@gmail.com
• Phone: +393494191878
• Address: Via Carlo Alberto 53, Roma (RM), 00185
• Date of birth: 11-08-1991