Available to hire
I am Francesco Calderoni, a Senior Software Engineer with a passion for blockchain and distributed systems. I specialize in Ethereum, Solidity, JavaScript, Node.js, and scalable multi-platform architectures, with a focus on security, performance, and maintainability.
Over the past nine years I have contributed to blockchain projects and IT solutions across finance and public sector domains, always seeking practical patterns like upgradable contracts, DID, and robust testing. I enjoy collaborating with clients, documenting architectures, and translating complex requirements into solid technical designs.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Italian
Fluent
English
Intermediate
Work Experience
Blockchain Engineer / Architect at IntellectEU
September 30, 2024 - September 30, 2024Senior IT Engineer – Blockchain Project: Guardian on Hedera; Deutsche Bank Smart Contracts on Polygon; PoC Chainlink CCIP; responsibilities include client meetings, technical documentation, architecture guidance, and front-end integration with DApps. Implemented Solidity contracts and DApp components; performed contract white-box testing and advised on best practices and blockchain patterns.
Blockchain Engineer / Architect at Smartlabs srl
November 30, 2022 - November 30, 2022Led blockchain projects including DadaCube NFT MarketPlace (ERC721/ERC1155) with revenue sharing among multiple stakeholders; POC blockchain integration for IBM/NUGO (urban mobility and museums) focusing on privacy with Hyperledger Fabric; OPUS internal project for artwork identification and distributed self-sovereign identity; Notarization and confidential flows for IBM SI at AGID.
Senior IT Engineer / DevOps at General Engineering S.p.A.
December 31, 2017 - December 31, 2017Continuous Integration and Deployment Automation for Poste Italiane IT systems. Led requirements gathering, release workflow mapping, and automation design across a three-tier Unix/Oracle environment; authored deployment workflows, test planning, and performance considerations.
Business Analyst / Project Manager at SESA S.p.A.
September 30, 2015 - September 30, 2015BNLP BPR and Automation: feasibility studies, business process reengineering, data lifecycle design, and web automation to unify multiple contracts and billing information systems.
Functional Analyst / Project Manager / Test Manager at Aletea S.p.A. (Poste Italiane QA Project)
October 29, 2014 - October 29, 2014Quality assurance program for Poste Italiane software releases. Defined SLAs, tested performance, and oversaw test planning, execution, and documentation; contributed to performance testing platforms and workload modeling.
Business Analyst / Project Manager at Tieto Italy S.p.A.
May 31, 2010 - May 31, 2010Configuration service for telecom prepaid billing. Led team planning, customer progress meetings, and database management for mass operations; contributed to billing integrity and configuration.
Functional Analyst / Business Data Analyst / Technical Architect at Telecom Italia
August 31, 2009 - August 31, 2009Billing Integrity: revenue assurance and validation of prepaid billing calculations; reverse-engineered offers, redesigned data models, and documented business objects with diagrams and ER models.
Business Data Analyst / Functional Analyst at RAP Evolution – Tieto Italy S.p.A.
August 31, 2007 - August 31, 2007Managed MITA RAP data flows, ETL/ETL-related data warehousing tasks, and data mining for telecom revenue assurance; designed data lifecycles and documented workflows with UML diagrams.
Business Data Analyst / Functional Analyst at Revenue Assurance Project – Comnet S.p.A.
May 31, 2006 - May 31, 2006Ported data flows from MITA to RAP; SQL development for porting, data reconciliation between legacy MITA and RAP, and data warehousing activities.
Analyst / ETL Developer at MITA for RAP – Comnet S.p.A.
November 30, 2005 - November 30, 2005Data extraction/ETL workflows for telecom traffic validation; described workflows with UML, implemented ETL tasks.
Education
Science High School Diploma at Istituto “Pio IX Aventino”, Roma
October 1, 2010 - December 31, 2011Master Degree in Information Technology Engineering: Ingegneria Informatica v.o. at La Sapienza University, Rome
January 11, 2030 - December 1, 2004Executive Master Data Intelligence and Strategic Decision at La Sapienza University, Rome
April 1, 2010 - April 30, 2011Qualifications
SCJP - Sun Certified Programmer for Java Platform, Standard Edition 5.0
October 1, 2008 - October 1, 2008BEA WebLogic Server 8.1: Developing Web Applications
June 1, 2009 - June 1, 2009BEA WebLogic Server 8.1: Developing Enterprise Portals
June 1, 2009 - June 1, 2009Silk Performer Training
September 1, 2011 - September 1, 2011Silk Performer Results Analysis and Correlation
September 1, 2011 - September 1, 2011Vantage Analyzer for Java/.Net
September 1, 2011 - September 1, 2011Master Data Intelligence and Strategic Decision
April 1, 2010 - April 30, 2011Eolic Energy Training
September 1, 2010 - September 1, 2010Industry Experience
Software & Internet, Professional Services, Telecommunications
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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