API Development | Java | Go | Python | Industrial IOT

As Backend Developer I was responsible for:

• Software implementation of secure, scalable components using Java, Groovy and Micronaut.
• Multicloud environment (AWS, GCP, MS Azure)
• Data persistence
• Implementing OpenId client and provider (KeyCloack)
• Software lifecycle management
• TDD best practices
• Implementation of M2M horizontally scalable components. Multithread programming

Key Technology used:
Java, Groovy , Amazon WebServices, Spring framework, Docker, Linux, Vagrant, gerrit, git, Maven, Gradle, InfluxDb, Git, KeyCloack, Micronaut.

As Senior Developer on the Vehicle communication I am responsible for:

• Software implementation of secure, scalable components. Communication over Udp, JMS, TCP protocols.
• Development in AWS ‘cloud’ environment (EC2, S3, etc.)
• Peer reviews
• Data persistence with Oracle, Postgres
• Software lifecycle management
• TDD best practices
• Implementation of M2M horizontally scalable components. Multithread programming

Key Technology used:
Java, JEE , Amazon WebServices, Spring framework, Docker, Linux, Vagrant, gerrit, git, Maven, Oracle, ActiveMQ, Graphana, ELK stack, Git.

As Senior Developer I was responsible for:

• Software analysis and implementation
• Code reviews
• Software lifecycle management
• Debugging and Problem solving

Key Technology used:
Java, JEE , OSGI stack, gerrit, git, Maven, Apache Cassandra, ZooKeper

Consultant for Axed Technology , the company is making Business Intelligence solutions for the automotive industry. My role is the one of developing ETL solutions, via core Java / JDBC technology to access several different database technologies. MySQL, Oracle, JDBC, various framework (Hibernate, Spring Boot, Spring Data, Spring MVC, etc.) and various languages: Java, Go, Python, PHP
Key Projects:

• ETLQueryEngine: a programmable remote query extraction engine.
• Android development
• Exposing data over webservices to PHP frontend and dashboards
• Adjust legacy code to keep compliance with Ford guidelines, reversing engineering of legacy code, quality improvement and adding new features.
• Oracle, MySQL Db install, config, administration. Db development.
• Porting MySQL code to Oracle
• Mailserver configuration and administration (postfix)
• Concurrency management .

As Senior J2EE Software Analyst I am responsible for:

• Overview of operations deployments to production servers
• Code reviews for junior developers
• Debugging and Problem solving

Key Technology used:
Go, Java Enterprise, Spring, Spring Boot, Spring MVC, Spring Data, Hibernate, JMS, Web services (JAX-RPC, Axis, SOAP), Apache Tomcat, Oracle, MySQL, GO

Activities:
● Implementation of a Android application reading data either locally over wifi or remotely from cloud, downloading profiles, connecting over BT to RFID reader.
● Orchestrate RFID tagging of assets, personnel
● Designed and Developed a Postgres and Cassandra DB (UUID) from scratch. Cassandra was designed to deal with scalability of the product, with UUID and software controlled schemas.
● Schema of authentication & authorization for the data with a custom RBAC schema, multi-organization, multiple roles per user.
● Application synchronization data between central "cloud" node and peripheral nodes (E.G. cheap RaspberryPi nodes) .
● VPN implementation between "cloud" node and a finite number of local low power boards.
● Implementation of a remote logging system between peripheral nodes and cloud.
● Remote terminal Arduino programming of PLC locally attached to low power computer, sensor reading
●Data stored locally in Android on sqlite tables, and synced remotely over wifi.
●The cloud databased is shaped in a portable way. MVP was designed with Postgres, beside an implementation on Cassandra, provided for scaling-up of the solution.
●Defined different combinations of local subscriptions with ZMQ or MQTT
Key Technology used:
Go, Android, Java, embedded software development, C, Atmel AVR , Arduino, MQTT, Python, OpenVPN, RFID, Security,
Project to monitor and enhance worker's integrity within the work environment. RFID data retrieval, processing and metadata tagging.

Key Technology used:
Go, Android, Java, embedded software development, C, Atmel AVR , Arduino, MQTT, Python, OpenVPN, RFID, Security,
Project to monitor and enhance worker's integrity within the work environment. RFID data retrieval, processing and metadata tagging.

Software development for an internet provider / DNS registrar
As Senior Developer I was responsible for:

• implementing new features
• implementing standards to comply with new DNS registrars guidelines
• mentoring transition to web 2.0 for legacy code

Key Technology used:
Perl, Unix, Java, PHP, Javascript. SOAP webservices. Unix System Administration

As Senior Developer I was responsible for:

• implementing new features on Compiere OpenERP
• co-ordinating migration strategies between different areas of the company
• Oracle backup strategies
• adoption of an open ERP solution, feature enhancement and implementation

Key Technology used:
Java J2EE, Spring, Tomcat, Maven, ANT, WebSphere, WebLogic, Oracle , SOAP, SAP, JAXP, XMLBeans, Struts, etc.
J2EE Developer (Permanent role c/o Energee3) -August 2004- November 2006
Senior Java consultant over various projects and different customers.

• BNL Multiservizi : Enterprise Java development for BNL with code versioning. IBM WSAD. Use of Java-JDBC to interface Oracle databases.
• I.T.Telecom/Santa Palomba: Software development in JAVA/J2EE. Solaris platform and BEA. Weblogic; shell scripting and configuration management. (Tim/MSC project). Mentoring new developers for plug-in addons.
• Pride s.p.a. : MSC Project installs on a Bea/Solaris clustered environment. Support to testers.

As Senior Developer I was responsible for:

• Implementing new features
• Code analysis, bug solving
• Solaris and Oracle administration

The job consisted in consulting for TIM SpA for prepaid and Value Added Services. PERL implementation of plugins for HP OpenView.
Key Technology used: HP OpenView, Perl , HP-UX, Linux, Oracle,Solaris OS.