Joaquim Mattos - AI Architect & Data scientist, Multix Tecnologia Ltda

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Work Background

NTConsultSenior AI Architect

Jun. 2023San Diego, California, United StatesAt NTConsult Data & AI department, I am the technical head responsible for identifying new opportunities and propose innovative solutions using the latest AI tools and Technologies available. I also guide and direct our Data & AI teams and help the sales team by proposing solid architectures for existing and new clients. A few highlights: - Development and implementation of an agentic solution with specialized agents for sales, credit and accounting. - Creation of a custom meeting transcription integrated with AI capabilities to get insights, action items and key points from recorded meetings. By selecting more than one transcript, the user can recap multiple threads of discussion with clients (for sales people and high management). - Implementation of a custom AI based OCR system to capture knowledge from documents such as PDF, DOC, Images, then populating a vector database to allow for querying the data in natural language. - Development of a RAG application to scan documents and generate User Stories as well as Test Cases, so the Dev team can focus on actual development, improving time to market. - Design and implementation of a smart chatbot using RAG and dynamic context, integrated with custom API, with ability to serve multiple departments and external clients as well. Users interact with chatbot in natural language. - Extensive use of OpenAI GPT models and open source Llama. - Design of an architecture to convert legacy scanned PDFs from a Telecom to a new datalake, creating a knowledge base where users can interact with contracts - Data migration project of over 99 TB (1k+ tables) data from GCP to Azure Skills: Artificial Intelligence (AI), Python (Programming Language), Machine Learning, Data Science, Large Language Models (LLM), Microsoft Azure, Systems Engineering, Management

Bees BrasilSystem Architect

Jun. 2022 - May. 2023Campinas, São Paulo, BrazilAmbev, the beer company, launched its own technology start-up in 2018 , to accelerate the digital transformation of the whole company, whilst bringing partners onboard in its e-commerce platform called BEES. In this suite of systems, so far deployed on 14 countries, I am responsible for: • $4.1MI project, team size 36 people, 6 squads; • Overall technical responsibility; • GPT3/Python based chatbot; • 200+ microservices • Agile methodology using JIRA / Confluence; • Micro frontend in ReactJS, backend in Java with MongoDB • Microservices architecture, deployed in Kubernetes • Cloud Infrastructure is Microsoft Azure • Code quality above 90% via Sonar enforcement • Observability done via New Relic; • Data lake with Snowflake and data bricks; • Team guidance & directions.

NTConsultSenior Solutions Architect

May. 2021 - Jun. 2022San Diego Metropolitan AreaAs a senior IT Architect / BPM lead, I help clients to solve their business challenges, transform, improve and automate their process, using best fit technologies according to client's culture and expertise. May/21 to current - Media content management and sub-domains - Working for a Media Company from USA to architect and implement a worldwide media and aggregated services. Among all responsibilities, some highlights: • Overall technical responsibility; • Project management of lots of sub-domains (Social media, Advertising, Dispute management, BPM Camunda, File management, Content protection, Smart contract, Media encoding / streaming / management, P2P communication, IPFS, webRTC, Mobile AR/3D, Big data, AI/ML, VR/AR. Etc.) • Directions for architects and other professionals in terms of goals, environments and technologies; • Multi cloud Kubernetes clusters geographically distributed around the globe • Multiple databases and sharding / replication strategies; • Team members interviews and recommendations;

MultiX IT SolutionsPrincipal Architect

Jan. 2019 - Jan. 2025Campinas Area, Brazil202001 to present Working for Multix, and allocated to a client, Ti9 Sistemas to revamp their ERP and bring modern services to their client base. My main roles are: - Manage $1MI project, team size 26 people. - Responsible for the whole architecture, - Work close to business for better IT alignment, - Define IT policies, goals and roadmaps, - Provide directions to technical team, - Revamp the legacy ERP to be consumed as services, - Create a solid modern architecture around the ERP, - Provide the means and tools so the company can progressively move all services to cloud, - Serve different clouds (IBM, GCP, CFP, Azure), - Implement micro services in a event-driven architecture to expose (and consume) ERP services - Implemented containerized micro services orchestration with Kubernetes. The same with Eureka - Implemented business rules engine with Camunda BPM plus Apache Kafka (lots of microservices) - Implemented cube SQL engine based on Apache Kylin - Management of legacy to modern progress PKIs - Accountable for the whole transformation. 201902 - Project Retail This project goal was to get a high volume of data, including brands, suppliers, quantity, packaging, price, etc, from a group of hypermarkets. Data was then validated, massaged, stored and made available for the same group of registered hypermarkets. The main use is to promote sales campaign, monitor new products and prices. Solution used Google Cloud, Bigquery, Pub/Sub, local MongoDB and StackDriver, with Web + Java. ----------------------------------- 201901 - Project Media I implemented a Python solution for a Media Company. They handle over a Million transactions per day, with big data coming from different channels. The solution was designed to extract, transform and deliver data to selected channels as well as be viewed by stakeholders in Jupyter shared notebooks. Solution used EC2, S3, AWS, Hadoop, Spark, MongoDB and ActiveMQ with Python, generating shared Jupyter notebooks.

StefaniniSenior Software Engineer

Apr. 2018 - Apr. 2019Porto Alegre Area, Brazil201811 - Project Vale Co-authored a Web / Mobile application to register, lock, maintain and unlock electrical equipments in the corporate maintenance software, assuring that 100% zero energy is present, before any work order is issued for approval. The main goal of this software is to guarantee safe industrial maintenance on any electrical equipment. The solution is used in 12 plants in Brazil and Moçambique and Oman. Technologies used include: Agile, Java EE, Spring-Boot, HTML5, CSS3, AngularJS, NodeJS, LDAP and SQL Server. 201804 - Project Dell Co-authored / supported a .NET cloud based financial application for Dell Financials, a finance arm of Dell in support of its global sales. This app is used both as internal App as well as a service for merchants to capture payments, slice invoice ammounts and manage payments. Technologies used include: .NET Core, MVC, C#, Visual Studio, Team Foundation Server, SCRUM, PCF (Pivotal Cloud Foundry), MSSQL, Active Directory, Java, Oracle, transaction encryption, and continuous integration with Jenkins.

MultimakePartner and Technical Director

Jan. 2016 - Feb. 2018Great Campinas AreaIn this period, I setup two new business areas for Multimake, to deal with customers equipments support and maintenance, and presential IT professional courses. Facing a strong economic recession in Brazil, the results were not as expected, ending up with the company being closed to save money. IT Infrastructure: PCs, LAN, Internet, Windows, Software development, Java, Python, C, Oracle, MySQL, MS Office, PC & Notebook maintenance and Technical courses (IoT with Arduino and Raspberry, Notebook and PC maintenance). Multimake ceased its operations in 2019.

IBMEnterprise Solutions Architect

Apr. 2007 - Nov. 2015Campinas Area, BrazilIn 2007, I shift from contractor to IBM regular employee, which allowed me to get involved with large projects and clients, which led me to a substantial growth in my career. A few highlights: 2014 - Project CROSS 2012 - Project TEM / DCCT 2012 - Project Smart grid CPFL 2011 - Project Liquid Portal 2910 - Project Procurement Contributions Tool (PCT) in IBM India Work experience 2009 - Project Savings Tracker Tool (STT) 2008 - Project Banorte in Peru Project details available under request. IT Infrastructure: SAP, W3 (huge internal internet), Web applications, Windows, Unix, Linux, zOS, Rational Tools, Java, Lotus LSX, C, PERL, REXX, Shell Scripts, DB2, Oracle, Lotus Smartsuite, MS Office, Lotus Notes/Domino, Websphere Tools, IBM BPM, Zachman, Web Method, TeamSD and SCRUM.

Brq Solucoes Em InformaticaIT Architect

Sep. 2004 - Mar. 2007Campinas Area, BrazilHired by BRQ Solucoes em Informatica and allocated at IBM IGA to support Procurement services, as senior software developer. After a few months I was promoted to Team Lead for a suite of applications called Electronic Supply-chain Interlock (ESI), used internally by IBM in support to its suppliers and partners, worldwide. In mid 2005 I moved to IT Architect role. Some achievements include: Migrated ESI from Lotus/Domino forms to a Web based application (internet only) As part of IBM global policies, a new W3 version was created for internal use Various new services implemented for Product/Supplier homologation IT Infrastructure: SAP, W3 (huge internal internet), Windows, Web applications, Unix, Linux, zOS, Rational Tools, Java, Lotus LSX, C, PERL, REXX, Shell Scripts, DB2, Oracle, Lotus Smartsuite, MS Office, Websphere Tools, BMPN, Lotus Notes/Domino, Architectural blueprints, Roadmaps and Board reviews.

Multimake Tecnologia LtdaPartner an Technical Director

Jun. 2000 - Sep. 2004Campinas Area, BrazilMultimake was created to fulfill a gap in the market for small business solutions, when I returned from Europe. At the time, internet was still new and the first data centers were launched but only a few IT companies were able to design and deliver real solutions using the new technologies. I then created the ERP package SM/2, a client-server industrial focused management solution for small to mid-size business, with C / Delphi and Oracle DB. SM/2 was not a complete solution but had features to manage Customers, Sales, Invoicing, Accounts Receivables, Banking, Production order and lot control. Among other activities, I: - Created secure LAN projects with Linux - Architected the SM/2 ERP solution - Directed the team to develop / enhance SM/2 - Created interface for MS Excel - Launched a CD browser based catalog for Nortel energy with search capabilities. - Managed a team of 10 people IT Infrastructure: PCs, LAN, dial up Internet, DOS, Windows, C, Clipper, Delphi, Oracle and MS Office.

Chem-Trend Deutschland GmbHEuropean IT Manager

Jan. 1997 - Mar. 2000European UnionAs people move every year in global corporations, a vacant position was available in Chem-Trend Europe, based in Harburg / Germany. I was nominated potential candidate and joined the team and European IT Manager. My role was to drive all IT operations in Germany and also in all European locations such as UK, Denmark, Italy and France. Main achievements: Completed the transition for IT from Denmark to Germany Managed the ERP contractor which was based in Swindon / UK to complete deployment Managed IT budget of ~700K Euros Manage IT portfolio and support IT iniciatives throughout Europe Designed and Delivered a Lotus Notes based tool to support 120 people in Sales Designed and Delivered a Lotus Notes based tool for product Lot and Label control in support to the European chemical regulations (EU specs) Migrated the ATM lines for all our plants Managed the infamous Y2K initiative to prevent and mitigate the "millennium bug" Managed a team of 22 people IT Infrastructure: PCs, LAN, ATM and Internet, DOS, Windows, Linix, dial-in intranet, C, Java, SQL server, MS Office and Lotus Notes/Domino