Jacques Domingos Freire De Sá

Jacques Domingos Freire De Sá Email and Phone Number

IT Engineering Specialist | AWS Certified @ Banco Itaú
sao paulo, sao paulo, brazil
Jacques Domingos Freire De Sá's Location
São Paulo, São Paulo, Brazil, Brazil
About Jacques Domingos Freire De Sá

With 14 years of engineering background, I work as an IT Engineering Specialist at Itaú Unibanco, one of the largest banks in Latin America. I have been in touch with a bunch of technologies, languages, and development platforms/frameworks throughout my career, including Java, .Net, Python, NodeJS; Angular5 & TypeScript; NoSQL and relational databases, such as DynamoDB, MySQL, and SQL Server; distributed caching with Redis and a lot of AWS services, including ECS/Fargate, SQS, SNS, Lambda, Glue, Kinesis; microservices, event-driven architectures, development solutions using Apache Kafka, Apache Spark, etc. I've also worked as an AWS-certified instructor and mentor.

Jacques Domingos Freire De Sá's Current Company Details
Banco Itaú

Banco Itaú

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IT Engineering Specialist | AWS Certified
sao paulo, sao paulo, brazil
Website:
itau.com.br
Employees:
65583
Jacques Domingos Freire De Sá Work Experience Details
  • Banco Itaú
    It Engineering Specialist
    Banco Itaú Aug 2023 - Present
    São Paulo, Brazil
    Responsible for assessing and directing the engineering solutions in the community, supporting technical professionals and product managers with the best solutions - most recently involving Data Engineering.Most recently leading (with hands-on) a team to translate some VB6 programs into C# .NET Core using Github Copilot Chats (Generative AI).Additional activities:• mentor of AWS Architect Associate certification, which resulted in 6 certified professionals as of today• workshop on Apache Spark for non-practitioners (with hands-on with PySpark)• workshop on Observability for women (ESG)• support managers in hiring professionals by preparing cases and doing technical assessments of the candidates
  • Banco Itaú
    It Engineering Coordinator
    Banco Itaú Nov 2021 - Aug 2023
    São Paulo, Brazil
    In charge of 25 people, divided into three squads (two of them I created from scratch), responsible for keeping the platform of foreign currency products (like NCE/CCE, Finimp, Res. BACEN 4131, etc.)Day-to-day responsibilities:• support the team in architectural design and decisions• hiring, evaluating, and mentoring professionals in my team• negotiation with outsourcing companies about professionals and technical systems• keeping track of KPIs and meeting OKRs• technical assessment of the team skills and deliveries• removing team obstacles• giving feedbacks• discuss separation of concerns, platform responsibilities, and engineering solutions with architects• negotiating with product managers about product strategies to translate into practical actions• reverse engineering to better direct the teams in initiatives related to the platform modernizationSome accomplishments:• delivery of strategic and regulatory initiatives for the company• reducing about 60 incidents that were open since the two years before
  • Itaú Unibanco
    Sr. Software Engineer | Tech Leader
    Itaú Unibanco May 2019 - Nov 2021
    São Paulo, Brazil
    Principal initiative - BACEN 4.734: I was the "chef" responsible for designing the architectural solution - using AWS services - and directing the team during the construction. With this initiative, we managed to modernize the platform of the product "Anticipation of Credit Card Receivables" (which used to run mainly on Mainframe) besides meeting the regulation.As a technical leader, I supported managers in decision making, enriched the team’s product backlog, made refinements, helped remove the team’s obstacles, and proposed technical solutions aligned with the architecture concerns like cost optimization, availability, scalability, disaster & recovery, monitoring, reusability, etc. During this time I worked actively as a mentor for the team concerning AWS services and software engineering good practices. I also contributed to the DevOps team by fixing some AWS CodePipeline CI/CD pipelines.Some technical resourcesAWS services: ECS, API Gateway, S3, DynamoDB, SQS, SNS, Elasticache for Redis, Lambda, CodePipeline, CloudFormation; Java (Spring + Maven + JUnit); Python; Node.Js; Kafka; MySQL; SQL Server; Docker for local testing/environment; JMeter for load testing.
  • Instituto Da Oportunidade Social
    Aws Re/Start Instructor
    Instituto Da Oportunidade Social Jun 2022 - Dec 2022
    São Paulo, Brazil
    AWS re/Start program part-time instructor, responsible for giving theorical, as well as practical classes about most common used technical resources, like Linux, Python, networking, security, observability, and database, and how those skills fit in AWS Cloud core services: Lambda, EC2, ECS, RDS, S3, CloudWatch (Logs, Metrics, Alarms). About the AWS re/Start program: https://aws.amazon.com/training/restart/
  • Iteris Consultoria E Software
    Programmer Analyst
    Iteris Consultoria E Software May 2015 - May 2019
    São Paulo E Região, Brasil
    Customer Rede – Initiative called “Thundera”: part of the team responsible for migrating the web customer portal to the AWS cloud platform, where all sales, payments, charges (etc.) transactions, which came from Mainframe, started to be stored in AWS DynamoDB tables, after posted on SQS queues and processed in Elastic Beanstalks Java jobs in and NodeJS Lambda functions, instead of being consumed directly through .NET WCF services, how it used to work. Other technical resources: Java/Spring APIs, API Gateway, and Angular5 front-end with a better "look and feel", usability, and accessibility. Besides reducing dramatically the response time (which well pleased the customer), we managed to replace the on-premises infrastructure that accommodated the legacy SharePoint portal, which was difficult to maintain.Customer Rede – Initiative called “Facelift”: interface and service improvements for better usability of the customer portal, to reduce cost concerned with Help Desk calls and also reach users with disabilities; partially migration of some legacy modules built in SharePoint to a microservice oriented architecture (NodeJS) and single-page application (AngularJS), minimizing the legacy interdependency and development environment infrastructure costs; Google GTM/Analytics integration to gather usability metrics.Some technical resources: AWS services (Beanstalk, API Gateway, S3, DynamoDB), Java (Spring + Maven + JUnit), Angular (5 with TypeScript, and JS), NodeJS, ASP.NET MVC, jQuery, MySQL, SQL Server 2012, Docker (for local environment, spinning up services like DynamoDB and Redis), SharePoint 2010/2013, Git and TFS, Jira (for Scrum control).
  • Thomson Reuters
    Programmer
    Thomson Reuters May 2012 - May 2015
    São Paulo E Região, Brasil
    Most relevant activities/customersBNDES: responsible for developing a workflow portal to be used by the entire company as a process and information legal demands orchestrator next to the legal department. A SOAP integration with SAP was also developed for financial data exchange with monetary restatement (i.e. SELIC, INPC, TR).BRF S.A.: responsible for developing the Payment module next to the legal system with “income taxes” (IR) and FGTS calculation, monetary restatement, and monetary provisioning mechanism.Technical stuff: C# with WebForms, classical ASP, TFS as code repository and Oracle 11g e 12c and SQL Server 2008 R2/2012 data bases
  • Marpress Informática
    Programmer
    Marpress Informática Nov 2011 - May 2012
    Mogi Das Cruzes
    Responsible for the development and support of data processing apps for printed mail (i.e. payment slips, and custom letters). In charge of translating the lower app tiers written in Clipper (bar code generation and validation, for example) to C#.Net Windows Forms, becoming the first programmer to do it successfully in the department.
  • Nova Treinamentos
    Instructor
    Nova Treinamentos Mar 2011 - Oct 2011
    Mogi Das Cruzes
    Teacher of basic informatics: Photoshop, Coreldraw, MS Office, Windows. In charge of maintaining the computer infrastructure and the institution's website.

Jacques Domingos Freire De Sá Education Details

Frequently Asked Questions about Jacques Domingos Freire De Sá

What company does Jacques Domingos Freire De Sá work for?

Jacques Domingos Freire De Sá works for Banco Itaú

What is Jacques Domingos Freire De Sá's role at the current company?

Jacques Domingos Freire De Sá's current role is IT Engineering Specialist | AWS Certified.

What schools did Jacques Domingos Freire De Sá attend?

Jacques Domingos Freire De Sá attended Purdue University, Fatec Carapicuiba, Etec - Escola Técnica Estadual De São Paulo.

Who are Jacques Domingos Freire De Sá's colleagues?

Jacques Domingos Freire De Sá's colleagues are Aldair Carvalho Da Silva, Kamilla Almeida, Yasmyn Andrade, William Campagnoli, Marcela Quagliarelli Santos, Amanda Santana, Vitor Ferreira.

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