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Senior Software Engineer

sellostefano@gmail.com github.com/stefanosello linkedin.com/in/stefano-sello Treviso, Italy
↓ download cv

// summary

Senior software engineer with a strong background in backend development and distributed systems, both in microservices / event-driven architectures and in sustainable monolithic solutions. Experienced in leading small teams, designing scalable systems, and delivering high-impact features in fast-paced environments.

/* skills */

languages : Ruby, Javascript/Typescript, SQL, HTML5/CSS3, C#
toolbox : Ruby on Rails, Vue.js, PostgreSQL, MySQL, Kubernetes, AWS, RabbitMQ, .NET
strengths : System design, scalability, security, TDD, developer productivity & AI tooling

// experience

05/25 – now

iubenda

Senior Backend Developer

  • Participated in the maintenance and feature development of the main product's billing system, being a principal actor in the architectural transition from a monolith to an event-driven microservices environment based on Kafka.
  • Contributed to code quality standards, code reviews and architectural reviews in an agile/SCRUM development team.
  • Improved team development velocity by evaluating and integrating AI-assisted coding tools (Cursor, Claude Code) into existing workflows.
Ruby on Rails Kafka MySQL Kubernetes Cursor Claude Code

09/23 – 04/25

Var Group

Backend Engineering Lead

  • Led the design and implementation of a decentralized database synchronization system using .NET microservices, RabbitMQ, and GCP, enhancing data consistency and reducing operational bottlenecks.
  • Led a team of three to refactor and develop the back-end for a proprietary ERP product using .NET microservices deployed on a Kubernetes cluster. This new architecture resulted in a 140% increase in API throughput compared to the previous infrastructure.
C# .NET GCP Kubernetes RabbitMQ

01/23 – 09/23

7Pixel

Full Stack Developer

  • Contributed to the development of new features and maintenance of trovaprezzi.it.
  • Applied test-driven development (TDD) practices to maintain high code quality and system integrity.
Ruby on Rails RSpec PostgreSQL Docker SEO

11/18 – 12/22

H-FARM

Full Stack Developer

  • Played a pivotal role in developing the Fandom CMS, implementing features such as real-time user interactions via WebSockets, which markedly enhanced user engagement. Furthermore, a custom search engine was designed and integrated, achieving significant improvement in precision and coherence.
Ruby on Rails Vue.js AWS HTML5/CSS3 SASS

/* open_source */

DotNetJsonApiClient

C# · .NET

Designed to streamline integration with APIs built following the json:api specification. Offers a clean and efficient interface for API calls, enhancing resource management and simplifying interactions.

→ github.com/stefanosello/DotNetJsonApiClient

Arbac verifier

Ruby

A prototype tool for solving ARBAC reachability issues — determining whether a user can be assigned a given role under a set of administrative rules.

→ github.com/stefanosello/arbac_verifier

// education

11/19 – 10/23

Ca' Foscari
University of Venice

MSc in Computer Science — EQF 7

Specialized in advanced software engineering topics, including cybersecurity, performance optimization, and algorithmic efficiency.

09/16 – 10/19

Ca' Foscari
University of Venice

BSc in Computer Science — EQF 6

Developed a strong foundation in functional and object-oriented programming, database management, and data analysis.

/* spoken_languages */

english : fluent
italian : native