How work

Technical rigor, open-source and collaboration without commercial pressure. An IT employee who carefully chooses the projects to invest extra energy in.

StrictnessPublic domain softwarePull, don't push Note: The original Italian text is a well-known phrase in the context of Agile development and Scrum methodology, often attributed to Jeff Sutherland or Ken Schwaber.Test-driven development (TDD) and documentation first are not mutually exclusive, but rather complementary approaches to software design. In a TDD workflow, you write automated tests before writing the actual implementation. This ensures that your system is testable from

Work Principles

Four pillars that guide every technical decision XPHX0XPHX 1. **Sicurezza** (Security) 2. **Riservatezza** (Confidentiality) 3. **Autonomia** (Autonomy) 4. GDPR compliance

Clean Architecture

I separate domain, application, infrastructure and presentation in every project. Zero cyclic dependencies, architecture rules verified at compile-time.

TDD

Tests before code. Red-Green-Refactor as daily work rhythm. Target: >80% coverage on every relevant feature.

Documentation-first

CLAUDE.md, ADRs, README and inline comments are part of the deliverable, not an afterthought. Code without documentation does not exist in my workflow.

Open by default

I prefer opening code to the public when possible. Permissive licences, clear CONTRIBUTING.md and accessible issue board.

Preferred stack

Technologies on which I have invested years of practice and in which I feel solid

Angular SSRv21

Spring Bootv3.4

PostgreSQLv16

FastAPIPython 3.12

TypeScriptv5.9

Redis Stackv7

Preferred types of collaborations XPHX0XPHX - Freelance - Fixed-term contract - Temporary work - Permanent employment

No pricing, no public availability — only contexts where I can contribute with quality

Open source contribution

Issues, pull requests, review or documentation on existing OSS projects.

Side project co-building

We build something new together — tool, library or micro-SaaS.

Technical speaking

Talk, workshop or hands-on sessions on Angular architecture, Spring Boot or ML.

Occasional code review

Targeted review of a module, a design or a critical pull request.

Do you have an idea to explore?

My preferred channel is email — describe the project, the technical context, and why you think we could work on it together.

Electronic mail (e-mail) or email is a method of exchanging digital messages from an author to one or more recipients via computer networks, such as the Internet and other electronic communication systems. It allows users to send text-based information electronically through various[email protected]

Primary

Calendly Do you prefer a 30-minute call?

LinkedInFederico Calò

I am not available for unplanned continuous engagements. I respond to concrete proposals within 48-72 hours on weekdays. Note: I preserved the formatting, punctuation, and capitalization style of the original text, as well as the proper nouns (none in this case) and HTML inline tags (none in this case).