Juarez Barbosa Junior, MSc

Software Engineering, Solutions Architecture, Developer Relations

About Me

My name is Juarez Barbosa Junior, and I have over 20 years of professional experience in Software Engineering and Developer Relations. I have held senior leadership roles in developer relations, developer ecosystem outreach, developer community management, business development and strategy, software and solutions engineering, collaboration with developer communities, startup founders, accelerators, incubators, mentors, venture capitalists, subject matter experts, and business partners.

I am a Sr. Principal Java Developer Evangelist and Director of Developer Evangelism at Oracle. Previously, I was an Azure Developer Relations Lead – Director of Developer Relations at Microsoft. In addition to that, I was a Principal Developer Advocate, Developer Advocacy Director at Oracle EMEA, and a Thought Leader and Technical Evangelist at IBM.

I have experience engaging the C-Level in technology and business transformation journeys, aiming at explaining complex business and technology-related scenarios to technical and non-technical audiences. From a technical standpoint, I am an expert in Java language, JDK, and JVMs (Java Virtual Machines).

I have extensive experience and knowledge in Cloud Computing (Oracle OCI, Azure, GCP, IBM Cloud, and AWS), DevOps, Infrastructure as Code (IaC), Continuous Integration / Delivery (CI/CD), and Cloud Native. Also, I am a polyglot Software Engineer with experience in Java, Kotlin, Golang, Python, C, C++, and Javascript, and lately, I have been learning Rust.

I’ve also acted as a Mentor for Microsoft for Startups. IBM has nominated me as an IBM Technical Rock Star for Cloud, IBM Redbooks Thought Leader, Technical Evangelist for IBM Mobile, and Nokia Developer Champion.

I have received awards - IBM Manager Choice Award, Superior Community Service Contributions - Forum Nokia Wiki, IBM Hall of Fame Awards, IBM Common Development, Test Outstanding Contribution Awards, and IBM Mobile Enterprise Social Media Residency - Outstanding Contributor.

Feel free to invite me to speak about Java, Microservices, Software Architecture, Solutions Architecture, DevOps, Cloud Computing (Oracle Cloud, Azure, AWS, GCP, IBM Cloud), Emerging Technologies (IoT, AI, Blockchain, XR), and Cybersecurity.

Talks

Developer Relations - Presentations and Customer Engagements

Content - blog posts, slide decks, articles

Java, Python, Golang, Javascript, Android

AI, DevOps, Cloud Native, Databases, Others

Blockchain, Hyperledger, Quorum, CORDA, Ethereum, Solidity

IoT - Internet of Things

Certs

Certifications, Certificates, Diplomas, Courses

Experience

Oracle

Sr. Principal Java Developer Evangelist, Director of Developer Evangelism

August 2022 - Present

developer.oracle.com

https://www.oracle.com/

I am playing a leadership role responsible for developer evangelism execution at a global level. I’m responsible for strategy and developer outreach activities comprising developers (communities, meetups, JUGs - Java User Groups, 3rd-party conferences), social media strategy related to technical content and technology conferences, and customer-focused engagements from a technical standpoint. Besides, the developer evangelism motions also comprise developing new code samples, hands-on labs (Oracle LiveLabs - tech workshops), customer-facing demos, content creation (blog posts, videos) highlighting developer tooling and various Java-related and Open-Source projects.

Microsoft

Azure Developer Relations Lead – Director of Developer Relations

July 2019 - August 2022

developer.microsoft.com

https://microsoft.com/en-ie/

I’ve played a role as an Azure Developer Engagement Lead for Microsoft in Western Europe (WE HQ) and Ireland. I was responsible for all the activities involving developers (communities, meetups, 3rd-party conferences), customer-focused engagements (in collaboration with ATU, CSU, and STU), partner management (with GPS), and Microsoft for Startups (acted as a Mentor in EMEA). I have delivered results above and beyond all the KPIs and ambitions for the Azure Developer Engagement programs I managed (12 DevRel programs total).

Oracle

Principal Developer Advocate, Developer Advocacy Director - Oracle EMEA

May 2019 - July 2019

www.oracle.com

https://developer.oracle.com/

I acted as Director responsible for their strategy and developer advocacy programs and activities in EMEA, with a focus on Blockchain and Java technologies. Acted as a leader concerning all the business development activities, customer and C-Level engagements, and presentations at technical conferences, webinars and hackathons.

Oracle

Principal Developer Advocate, Product Strategy & Developer Advocacy Manager - Oracle EMEA

December 2018 - May 2019

www.oracle.com

https://developer.oracle.com/

I acted as Manager responsible for their strategy and developer advocacy programs and activities in EMEA, with a focus on Blockchain and Java technologies. Acted as a leader concerning all the business development activities, customer and C-Level engagements, and presentations at technical conferences, webinars and hackathons.

Oracle

Principal Developer Advocate, Blockchain Evangelist - Oracle EMEA

February 2018 - December 2018

www.oracle.com

https://developer.oracle.com/

I acted as the leader for Oracle Blockchain Evangelist in EMEA. I led the DevRel programs, business development, and strategy for the main Blockchain-related opportunities in EMEA and, I participated in 80+ Blockchain opportunities and projects in EMEA. I helped customers in refining the vision for their solutions to architect (or rearchitect) their solutions. I worked on more than 80 Blockchain-related PoCs and MVPs in total, ending up with more than 20 Blockchain networks in production for customers in the EMEA region. Customers and SCM-related business processes included Circular, Retraced/CANO, Chaincubed, Everledger, GLC, Gov of Georgia (MOF), iPoint, Gov. of Belarus - NCA, SDK.finance, Unchain.io, and Terex, to name a few of them. I have five years of experience with Hyperledger and Blockchain (trained by IBM back in 2016) and two years with Ethereum and Solidity, with advanced knowledge and experience with Azure Blockchain, Oracle Blockchain Platform, and Hyperledger.

IBM

Senior Software Architect, Technology Evangelist - IBM Watson

September 2015 - February 2018

www.ibm.com

https://www.ibm.com/watson

I acted as a Senior Software Architect and Evangelist for IBM Watson in Ireland, focusing on Java software engineering and architecture. At that time, I was awarded four (4) times in a row as an IBM Technical Rock Star for Cloud in Europe due to solid contributions to IBM Cloud, eminence, and technical expertise. Excellent social media actions related to technical evangelism in the scope of IBM’s social media advocacy.

Maxtrack

Senior Software & DevOps Architect

April 2015 - August 2015

www.maxtrack.com.br

https://maxtrack.com.br/#sobre

I acted as a Software and Solutions Architect (IoT and DevOps) for their MaxCloud systems. We migrated several on-premise systems to the cloud (AWS). The systems were composed of several Java Enterprise applications, Android clients, C and C++ clients and C++ server components. We applied a cloud-native approach and used Docker as part of their IT transformation and modernization project.

Sodep Systems

Senior Android & IoT Developer / Architect

January 2015 - March 2015

www.sodep.com.br/en

http://sodep.com.br/en/solucoes/

I acted as a Software Architect and Developer for their Minetrack solution, a fleet management software aimed at the mining industry. I developed several Java, Android and IoT component as well as helped to optimized their existing environments and JVM (Java Virtual Machine) based systems. The systems comprised Java EE server side components, Android clients, ZigBee and Xbee clients, C and Arduino based clients (IoT) and LBS hardware modules.

Basis

Senior Software & DevOps Architect

May 2014 - December 2014

www.basis.com.br

https://www.basis.com.br/cases/

I acted as a Software and DevOps Architect for their Java-related projects, the vast majority of them related to the public sector and solutions to top governmental institutions. The solutions comprised Java and its platforms, Jenkins, Chef, Docker, AWS, Maven, Vagrant, Linux, and other technologies.

IBM

Redbooks Thought Leader and Evangelist for IBM Mobile

January 2013 - February 2014

www.ibm.com

https://developer.ibm.com/components/ibm-mobile-foundation/

I acted as an IBM Redbooks Thought Leader and Global Evangelist for IBM, focusing on IBM Mobile, IBM Mobile Foundation Services (Worklight/Cordova), and IBM Mobile Security. I helped IBM to write their very first Redbook about mobile security for their IBM Mobile Foundation Services (formerly Worklight). Besides, I acted as an advocate for the platform on social media with solid contributions to IBM’s social media actions related to technical evangelism in the scope of IBM’s social media advocacy.

IBM

Global Tech Lead for Java, DevOps, and Cloud - IBM Common Development and Test

October 2009 - December 2012

www.ibm.com

https://developer.ibm.com/depmodels/cloud/

I acted as the Global Tech Lead for Java, DevOps, and Cloud for IBM’s Common Development and Test, and Development and Support Teams (DST) focusing on Java, WebSphere, and Liberty software engineering and architecture. I led a team with more than 60 people at that time, and I was responsible for the entire IBM’s internal development and operations environments, including development, test, and production environments and systems. This role involved leadership and management of teams responsible for several mission-critical on-premises and cloud-based data centers and all the systems running on those environments (more than 600 applications). IBM awarded me the IBM Hall of Fame Award (3 times), IBM Common Development and Test Outstanding Contribution Award (2 times) due to my solid contributions during my tenure in the role, including the deployment of IBM’s first Java/WebSphere datacenter in Beijing, China.

Powerlogic (acquired by Cast Group)

Senior Software Architect (Java Technology Mentor)

December 2008 - September 2009

https://lps.castgroup.com.br/geral

https://lps.castgroup.com.br/geral

I acted as a Senior Java Software Architect and Technology Evangelist and Mentor for Powerlogic’s Open-Source jCompany framework. I engaged with customers, universities, partners and also delivered talks in the scope of several technical conferences as well.

Nokia Technology Institute

Senior Mobile Software Architect (Contractor)

May 2007 - November 2008

www.indt.org.br

https://www.indt.org.br/about-us

I acted as a Senior Mobile Software Architect and Consultant in the scope of several projects, comprising technologies like Java Micro Edition, Symbian C++, Python for S60 (PyS60), and Nokia Maemo/MeeGo (Mobile Linux), among others.

Unisys

Lead Software Architect, Java Platforms

June 2003 - May 2007

www.unisys.com

https://www.unisys.com/offerings/application-services

I acted as the Lead Software Architect for Unisys Java Platforms in the scope of their Java projects. I played a role as the Architect, creator, and maintainer of their main Java development framework in LatAm called UGOFramework (Unisys Global Outsourcing framework). I architected and helped Unisys in its IT transformation and modernization project for almost 20 systems from their COBOL mainframe-based systems to Java Enterprise Edition. This project comprised a real estate solution for CAIXA bank. At last, I supported Unisys with the validation of the JBoss Application Server (part of JBoss Group at that time, before its acquisition by Red Hat) as the Java Application Server for Unisys’ line of enterprise servers (Intel-based ES7000 servers).

Powerlogic (acquired by Cast Group)

Java Architect

October 2002 - May 2003

https://lps.castgroup.com.br/geral

https://lps.castgroup.com.br/geral

I acted as a Java Architect as part of Powerlogic’s first software engineering team in a project to create their jCompany Java EE framework, which became quite successful. I helped them with several modules and led the creation of a couple of component modules called jMonitor and jDocs respectively.

Unisys

Java Security Architect (Contractor)

November 2001 - September 2002

www.unisys.com

https://www.unisys.com/offerings/application-services

I acted as a Java Security Architect for Unisys to architect and code several security-related components to support their SSO (Single Sign-On) modules. The modules supported all the security and non-functional requirements of an integration project comprising six (6) legacy systems, a workflow solution, an LDAP cluster, a cluster of Java EE servers, and two mainframe systems.

Accenture (Atan Automation Systems)

Software Developer

February 1997 - October 2001

www.accenture.com

https://www.accenture.com/ie-en/industries/industrial-equipment-index

I acted as a Software and Hardware Developer to support the design and implementation of an industrial automation specialist system called SCORE, comprising both the hardware and software designs. The solution used the QNX RTOS (Real-Time Operating System), Echelon’s LonWorks networking protocol, and the C and C++ language. My contributions were more towards the implementation of the hardware and firmware components.

Accenture (Atan Automation Systems)

Associate Software Developer

January 1996 - January 1997

www.accenture.com

https://www.accenture.com/ie-en/industries/industrial-equipment-index

I acted as a Software and Automation Systems Developer to support the implementation of several industrial automation systems. The solutions comprised some SCADA (Supervisory Control and Data Acquisition) systems, PLCs (Programmable Logic Controllers), the C and C++ programming languages, and Microsoft Visual C++.

Education - Academic Qualifications

Atlantic Technological University

MSc Computing in DevOps (Award Classification - First Class Honours)

2021

atu.ie

National College of Ireland

HD in Science in Computing - Cybersecurity (Award Classification - First Class Honours)

2021

ncirl.ie

Universidade do Sul de Santa Catarina

AA. Information Technology Management

2014

www.unisul.br

Centro Universitario UNA

BA. Sc. Information Systems

2003

www.una.br

SENAI CETEL

A. Sc. Computing, Electronics and Automation Systems

1995

www.portaldaindustria.com.br/senai