About

Hello, I’m Massimo Caliman. I’m a software architect & developer with a consolidated experience on Java. I’m working as IT specialist since 1995 and since 1998 almost exclusively of Enterprise Java applications. I’m Java Italian Association member since 1999 and co-founder of Java User Group Genova. I also have experience in Python and R and others many languages such as C,C++,C#.

My interests include coding, Computer Science (especially algorithms and software design) and Data Science.
I made my passion my work.

How to contact me?

Here are a few places to touch base:

You can reach me by email at mcaliman@gmail.com

Skills

Java Java Enterprise Edition MySQL Software tuning Docker Transportation Management System (TMS) Human Resources Information System (HRIS) Gestione logistica Learning Management Systems Strumenti di Intelligenza Artificiale Generativa Oracle database Test unitari Tomcat Microsoft Access DevOps Domain Driven Development Web Services Functional Programming Clojure Office Automation Linux XML Apache VBScript iText PHP UML Hibernate Cryptocurrencies C# C Ubuntu Drupal Blockchain TCP/IP Websphere Spring Python Software Project Management Gestione progetti software C++ CMS HTML Microsoft Excel Visual Basic ERP Servizi Web jQuery JPA DB2 IBM iSeries SharePoint Big data Programmazione parallela Programmazione Pascal (linguaggio di programmazione) Elettronica digitale General Insurance Moodle Automation Lingua inglese Payment Systems Access Control Automotive Elettronica Java Server Faces R Jasper Reports Glassfish Alfresco Google App Engine QlikView Development WebSphere Portal Data Science Software Architecture

Professional assets

  • Pragmatic problem solving skills
  • Strong ambition for meeting deadlines
  • Proactive thinking
  • Highly self motivated
  • Lateral Thinking
  • Ability to adapt to changing trends, technology and general working environments
  • Excellent communication / Interpersonal / Social skills
  • Strong will to learn and adapt
  • Persistent
  • Able to work and make decisions under pressure

Languages

  • Inglese: Professional working proficiency

  • Italiano: Native or bilingual proficiency

Education

  • Istituto tecnico Don Bosco di Genova Diploma di Perito Industriale Capotecnico per l’Elettronica (1988 – 1991)

Experience

  • Aon Italia Software Architect | Dec 2025 - present

  • Methis Lab S.p.A. (Gruppo AON) Chief Technology Officer & Software Architect | Jan 2018 - Nov 2025

  • BDA Euro Brokers s.r.l Software Development Manager | Jun 2017 - Dec 2017

    Software Development Manager for an Insurance Broker, designing, projecting and implementing B2B Portals dedicated to Insurance market. Principal technologies used: Java 8 Enterprise Edition, Java Server Faces 2.0, EJB, Oracle MySQL, Oracle Glassfish 4.1.

  • Sentosa s.r.l. *Chief Technical Officer & Software Architect * | Feb 2012 - May 2017

    Chief Technology Officer & Software Architect for a Company which leads in IT and Financials Consultancy Services, mainly experienced on Employee Loan Programs (“Cessione del quinto”) and Java Enterprise (Insurance and others) Application Development Principal technologies used: Java Enterprise Edition, Java Server Faces, EJB, Oracle MySQL, Oracle Glassfish 4.1.

  • Arax s.r.l Software Architect & Developer | Jan 2011 - Jan 2012

    Software Architect & Developer for a Service Company, experiencing on problem solving in Insurance and Finance matters, through Application Development using C#, Java, PHP. Principal technologies used: C#,Java SE, PHP 5, Apache WebServer, MySQL.

  • Stachus s.r.l. Java Software Developer | Jul 2010 - Sep 2010

    Software Developer for a Service Company, working on datawarehouse, and data web presentation. Principal technologies used: MySQL, PHP, Java, Jasper Reports, Apache WebServer, Tomcat.

  • Britto Servizi s.r.l *Project Manager & Software Developer * | Jan 2010 - May 2010

    Project Manager and Software Developer for an Insurance Broker, working on Content Management and paperless digitalization, mainly on Microsoft SharePoint 2007. Principal technologies used: Microsoft SharePoint 2007, Java SE.

  • Eterbit S.r.l *Chief Technical Officer & Senior Java Developer * | Mar 2006 - Dec 2009

    Chief Technical Officer & Senior Java Developer, CMS and ERP development. Principal technologies used: Java SE,Java EE, JSP, Servlet, IBM WebSphere Portal, Struts, Tomcat.

  • Macbit S.r.l Senior Java Developer | Oct 2005 - Feb 2006

    Senior Java Developer, CMS and ERP development. Principal technologies used: Java SE,Java EE, JSP, Servlet, Tomcat, MySQL.

  • Text-e S.r.l *Team Leader & Senior Java Developer * | Apr 2003 - Jul 2005

    Team Leader & Senior Java Developer for Text-e S.r.l. Java Development of Web Content Management Systems and Workflow Management Systems. Team Leadership in server side development. Principal technologies used: Java SE,Java EE, JSP, Servlet, Tomcat, MySQL, MS SQLServer.

  • Datasys Network Project Manager & Senior Software Developer | Apr 2001 - Apr 2003

    Project Manager & Senior Java Developer for Datasys Informatia S.p.A., an IBM e-Business Partner, leading B2B and B2C Projects, Java developed, using JSP and Servlet Technologies on IBM Websphere, on IBM Lotus Domino, and on Legacies. Principal technologies used: Java, AS/400 Toolbox for Java, JSP, Servlet, IBM WebSphere Application Server (WAS), IBM DB2 UDB, IBM DB2/400, Lotus Domino, Visual Basic 6, ASP.

  • Studio Balbi S.u.r.l (Zucchetti PAC s.r.l) *Java Developer * | Feb 1999 - Apr 2001

    Java Developer for Studio Balbi S.u.r.l., Software House and IBM Business Partner in Genoa, projecting and developing Java Applications for HR, mainly attendance and wage packet, focusing on interface to Zucchetti Packages. Principal technologies used: Java, AS/400 Toolbox for Java, Servlet, Tomcat, IBM DB2/400, Microsoft Access, Oracle 8i Database.

  • Freelance Software Developer *C/C++,Pascal Software Developer * | May 1997 - Aug 1998

    Software Consultancy and Advisory for many websites sited in Genoa. Script Development (JavaScript, VBScript, Java) and HTML page development for many internet sites. Principal technologies used: Java Applet, JavaScript, VBScript, HTML, Borland Turbo C++, Paradox database, Microsoft Access, Turbo Pascal.

  • Comune Di Mignanego IT Specialist & Education | May 1995 - May 1996

    Civil service at Social Service Office, Municipality of Mignanego. Not Only did I take care of Social and Minors Problems, but I solved administrative and operating matters, improving and adapting IT services to Administration needs. Principal technologies used: Microsoft Office Automation

Courses

  • Programmazione per Calcolatori Elettronici (Computer Programming) - Basic Level - 1986/1987

  • Programmazione per Calcolatori Elettronici (Computer Programming) - Intermediate Level - 1987/1988

  • Programmazione per Calcolatori Elettronici (Computer Programming) - Advanced Level - 1988/1989

  • IBM PL971 WebSphere

  • IBM ACG For Lotus Notes

  • QlikView - Level Analyzer/Professional,Level Developer - maggio 2009

Certifications

  • SOLID principles & Design Patterns for Java programmers, Udemy (Jan 2023) License: UC-a6d7daf8-dc31-4937-a4b7-f97b3e00b61d Credential Link

  • Domain Driven Design & Microservices for Architects, Udemy (Feb 2023) License: UC-72ed5835-8f1e-4695-9a6e-f677f8c02c16 Credential Link

  • Becoming a Production MySQL DBA, Udemy (Jun 2023) License: UC-719df110-a354-4e3d-b1aa-5716f6ee8e23 Credential Link

  • The English of Insurance, Udemy (Aug 2023) License: UC-70647f3e-d9c9-48d6-bdc1-784cc539b593/ Credential Link

  • A Comprehensive Guide to JVM Languages: 2 in 1, Udemy (Apr 2024) License: UC-af787ef4-be8a-4dae-b78d-7934a801960e Credential Link

  • AI Prompt Engineering, Udemy (May 2024) License: UC-bda1f0a1-3891-4ca3-8d1c-b89794ecbeef Credential Link

  • Introduction to Big Data (2015), UC San Diego (Jan 2016) License: 3AJE4934J3WE Credential Link

  • The Data Scientist’s Toolbox, The Johns Hopkins University (Feb 2016) License: NG3B75Q3F7YE Credential Link

  • R Programming, The Johns Hopkins University (Mar 2016) License: ABDF8QZGRQWE Credential Link

  • Python Programming: A Concise Introduction, Wesleyan University (Oct 2016) License: HYMKLALFGZML Credential Link

  • Introduction to TCP/IP, Yonsei University (Jan 2018) License: 8RY35AGNBBWA Credential Link

  • Data Science Math Skills, Duke University | Coursera (Apr 2018) License: 68TRS6HHU3QR Credential Link

  • Continuous Delivery & DevOps , University of Virginia (Apr 2019) License: MHMXL5RUUVGA Credential Link

  • Cybersecurity and Its Ten Domains, University System of Georgia (Dec 2019) License: L5QCLCRFZGWN Credential Link

  • Docker e Kubernetes da zero a cento, Udemy (May 2024) License: UC-4878377e-f902-45f4-b710-ffb6392070f3 Credential Link

  • Software Architecture & Technology of Large-Scale Systems, Udemy (Nov 2022) License: UC-3146014f Credential Link

  • Software Architecture Case Studies, Udemy (Nov 2022) License: UC-d9a8ac4c Credential Link)

  • Java Application Performance Tuning and Memory Management , Udemy (Jan 2023) License: UC-f7b1f3dd-65d9-4343-8c76-bef6f1b7876d Credential Link

  • Software Testing By Innovation Techniques, Udemy (Jan 2018) License: UC-WTK0FFJN Credential Link

  • Java Multithreading, Udemy (Dec 2017) License: UC-TE4ZQFOZ Credential Link

  • Java 8 Functional Programming: Lambda Expressions Quickly , Udemy (Dec 2017) License: UC-XFKPD44Z Credential Link

  • Java Microservices con Spring Boot, Spring Cloud e AWS , Udemy (Dec 2020) License: UC-ae21ff2b-229f-4ec3-90c2-a06d41e41a63 Credential Link

  • Blockchain Theory 101, Udemy (Dec 2017) License: UC-X9D1OE3A Credential Link

  • Introduction to Cryptocurrencies and Blockchain , Udemy (Dec 2017) License: UC-PRVBKWEP Credential Link

  • LANGUAGECERT Entry Level Certificate in ESOL International (Entry 3) (Listening, Reading, Writing, Speaking) (Achiever B1), LANGUAGECERT (Sep 2025) License: Certificate Number: GR525021896MC , Candidate Number: 9980030074719228 Credential Link

Projects

  • Genova DevMeetup 2013 (Oct 2013) Project Link

    Dev Meetup 2013 Genova convenes software developers,technologists, entrepreneurs, investors and the broader innovation community regularly to learn and share. Powered by Google Developers Groups Genova (GDG Genova) http://genova.gdg.io/

  • Seminar presented about Java PDF generation with iText (Jan 2009) Project Link

    Seminar presented about Java PDF generation with iText at Department of Computer and Information Science of Genoa organized by the Java User Group Genova.

  • Seminar Java Base – package I/O e NET (May 2003) Project Link

    “Java Base - package I/O e NET” seminar presented at Webbit Conference in Padova (Italy), organized by the Java Italian Association.

  • A Comprehensive Review of E-R Models Across Industries: Unveiling the Value of Len Silverston’s “The Data Model Resource Book” Volumes 1, 2, and 3 (Jan 2024)

    My talk at the Java User Group Genoa on January 26, 2024

  • Converting Excel Applications to Pseudocode and Clojure: Reverse Engineering, Manual Techniques, Automation (Jan 2024) Project Link

    My talk at the Java User Group Genoa on January 26, 2024

  • Google App Engine Overview (Oct 2013) Project Link

    My talk at the Google Developer Group Genova · 04 October,2013 http://www.slideshare.net/slideshow/embed_code/26897174

Publications and articles

  • Un package per il debugging in Java, Mokabyte (Dec 1999) View Publication

    CoAuthor of “Un package per il debugging in Java” (DECEMBER 1999) published by Mokabyte (www.mokabyte.it) Java Advanced category .

  • Java e il protocollo UDP, Mokabyte (Mar 2000) View Publication

    CoAuthor of “Java e il protocollo UDP” (MARCH 2000) published by Mokabyte (www.mokabyte.it) Java Advanced category.

Organizations

  • Associazione Italiana per l’Informatica ed il Calcolo Automatico (A.I.C.A) - Member - 2012

  • Google Developers Group (GDG) Genova - Member - 2013

  • Java User Group Genova - CoFounder - 2005