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Stefano LeoneSL
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Stefano Leone

@stefanoleone

Software Engineer & Tech Lead at BizAway S.r.l. who built an AI coding harness that sped delivery with zero production rollbacks.

Italy
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At BizAway S.r.l., I built an AI coding harness for a large legacy JavaScript codebase that handled development end to end and sped up delivery with zero production rollbacks. I also analyzed and built a solution that recovered up to €500K per year in previously lost revenue.

As Software Engineer & Tech Lead, I was promoted to lead a team of two developers and take on project management. I gathered business requirements, planned sprints, developed features with the team, and built internal tools for service desk and support teams.

Earlier at BizAway S.r.l., I owned the backend for the Flights vertical and designed services for complex business logic and platform integrations. At Skillvue S.r.l., I owned full-stack development of the core product and built the company's admin platform from architecture through deployment.

At Skillvue S.r.l., I also designed an internal AI pipeline using OpenAI models and managed its AWS infrastructure. I built a video processing and conversion system, and at 4GoodCause S.r.l. I developed backend microservices and contributed to product architecture during a university internship.

Experience

Work history, roles, and key accomplishments

BS

Software Engineer

BizAway S.r.l.

Jul 2025 - Apr 2026 (9 months)

Owned the backend for the Flights vertical, keeping core travel services stable and fast. Designed and built backend services handling complex business logic and integrations with the main platform.

SS

Software Engineer

Skillvue S.r.l.

May 2022 - Jul 2025 (3 years 2 months)

Owned fullstack development of the company's core product, including new features, bug fixing on frontend and backend, and database maintenance. Built the company's admin platform from scratch, from architecture to deployment, and designed the internal AI pipeline integrating OpenAI models and managing AWS infrastructure.

GS

Junior Full-stack Engineer

4GoodCause S.r.l.

Feb 2021 - Apr 2021 (2 months)

Engaged in the development of the company's product during a university internship program. Developed backend microservices and contributed to the product architecture, as well as frontend development.

Education

Degrees, certifications, and relevant coursework

University of Catania logoUC

University of Catania

Bachelor of Science, Computer Science

2018 - 2022

Bachelor of Science in Computer Science from the University of Catania, completed in 2022.

Cambridge Assessment English logoCE

Cambridge Assessment English

CAE Advanced (C1), English Language

Grade: C1

CAE Advanced (C1) certification from Cambridge, demonstrating advanced English proficiency.

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