Pedro Sobota - Software Engineer, sobo.cx

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Work Background

Sobota Tecnologia MESoftware Developer

May. 2023São Paulo, Brazil• Work on personal projects and research in programming languages

KIS SolutionsSoftware Engineer

Mar. 2022 - Apr. 2023Florianópolis, Santa Catarina, Brazil• Developed Big Data solutions in Azure Databricks using C#, Spark, and Scala • Delivered hundreds-of-millions size integrations using Kafka in a cloud environment • Developed Spark SQL, RDD and DataFrame algorithms • Reduced technical debt, migrating build system and achieving 5x deployment speed gain • Maintained daily communication in a globally distributed team

KantarSoftware Engineer

Jan. 2021 - Jan. 2022São Paulo, São Paulo, Brazil• Delivered new version of TGI seasonal polling backend, encompassing millions of data points • Modernized and refactored data processing application with extensive XML use and 10.000's of lines of code • Recovered and updated OCR application of polling forms in Java • Recovered and maintained seasonal polling admin portal in ASP.NET • Dockerized multiple applications

3CON Consultoria e SistemasSoftware Engineer

Sep. 2020 - Nov. 2020São Paulo, São Paulo, Brazil• Integrated backend systems with a financial exchange through a REST API • Ported .NET Framework solution to .NET Core using onion architecture • Implemented Dapper and Entity Framework for efficient data access and manipulation • Ensured system reliability and performance through effective dependencies management • Reduced technical debt and improved development processes

ESSSSoftware Engineer

Feb. 2020 - Jul. 2020Florianópolis, Santa Catarina, Brazil• Delivered improvements to integration between scientific desktop application and ANSYS external application in .NET • Developed a versioning policy for the integration • Delivered bug fixes and new tests in application and continuous integration • Effectively dealt with custom object model in .NET

Condor InstrumentsC++ QT Developer and Team Lead

Jun. 2018 - Feb. 2020São Paulo, São Paulo, Brazil• Led a team of developers developing scientific desktop software and hardware integration in the area of chronobiology (sleep cycle wrist watch) • Delivered parallelization of data consumption from hardware device • Found and fixed a long-standing buffer bug in hardware communication in C language • Ported tests platform to QTest, wrote new tests • Identified possible sources of a bug in scientific algorithm (Cosinor) using GNU Octave • Managed a team of developers, designing sprints, defining tasks and conducting period reviews • Implemented best practices such as code reviews, unit testing, automation, and centralized documentation

ReampJava Developer

Apr. 2016 - Jan. 2018São Paulo, São Paulo, Brazil• Developed a backend for API consumption of internet audience analytics from multiple sources • Refactored and modernized existing backend services in Java • Implemented Scala backend component integrated to Postgresql • Wrote unit tests using TDD • Migrated Ruby on Rails application to Docker

SeePix Comunicação e TecnologiaBackend Developer

Dec. 2014 - Mar. 2016São Paulo, São Paulo, Brazil• Implemented asynchronous backend system in Python integrated to AWS S3, PHP and tools like ffmpeg. • Implemented SOAP webservice in PHP for display synchronization (20 requests/second). • Optimized media programming algorithms, restructuring duplication criteria to eliminate redundancies and reduce media transfer to the field.

AkayouC# Web Developer and Team Lead

May. 2013 - Dec. 2013São Paulo, São Paulo, Brazil• Led a development team for website creation tool. • Oversaw project development management and technical leadership. • Handled backend development using .NET/C# and MySql/SQL Server. • Managed AWS infrastructure • Coordinated front-end developers and backend developers.

Tônica.ag.NET Developer

Apr. 2011 - Apr. 2013São Paulo, São Paulo, Brazil• Developed 10+ ASP.NET MVC websites for brands • Created a data import/export routine for Iguatemi One (CRMALL) in SQL and C#. • Designed a totem game for the Cocinero brand using JavaScript and HTML5 Canvas.

Tech4BC# Developer

Mar. 2010 - Mar. 2011São Paulo, São Paulo, Brazil• Delivered a new static code analysis integration system, processing and delivering statistics from source code analysis tools • Designed a fault-tolerant backend service for job processing • Wrote a concurrent web interface using AJAX and ASP.NET

LabOne TecnologiaC# Developer

Mar. 2008 - Feb. 2010São Paulo, São Paulo, Brazil• Integrated MediaIBox framework in .NET for media ingestion, transformation, and distribution tasks in web applications. • Developed playlist editing functionality for video player software • Improved query performance by implementing horizontal data partitioning • Programmed the video portal Festival do Minuto and its administration website • Developed a royalties system for UBC and created performant end-user reports

SBS ConsultoresC# Developer

Sep. 2005 - Feb. 2008São Paulo, São Paulo, Brazil• Designed and wrote a hospitalar pharmacy application in three layers (UI, Model and Database), porting from Delphi, connecting to SQL Server • Utilized XML for modeling parameters, and XSLT/HTML for report rendering • Developed a NUnit test suite with over 100 tests • Implemented a SQL Server Integration Services (SSIS) data transformation project. • Improved a PHP support portal

Versifico Tecnologia Em SistemasASP/.NET Developer

Jan. 2003 - Jun. 2004São Paulo, Brazil• Developed an ASP CRM web application for a governmental organization. • Implemented back-end functionality for sectors like warehousing, accounting, and equipment procurement. • Created front-end (HTML and JavaScript) for forms validation and rendering of official documents. • Designed a prototype mobile Windows CE CRM application using Visual Basic .NET.

Tesla Tecnologia e ComunicaçãoWeb Developer

Jan. 2002 - Dec. 2002São Paulo, São Paulo, Brazil• Designed HTML frontends for brands' ecommerce websites • Implemented JavaScript forms for user input validation • Integrated ASP code with Access and SQL Server • Wrote CSS for customizing website appearance and layout • Wrote SQL code for managing and transforming data