Charbel Szymanski

Charbel Szymanski

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Principal engineer | Tech lead | Cloud architect
Santa Catarina, Brazil
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Résumé

Jobs verified_user 0% verified
  • v
    Senior Back-end Engineer
    visio
    Jan 2026 - Current (10 months)
    - Design and implementation of a scalable ecosystem of applications for a video surveillance SaaS with AI, in the context of Smart Cities. - Contribute with critical technical decisions about the architecture. - Design and implementation of REST APIs with Node.js/TypeScript. - Design and implementation of microservices with Temporal/TypeScript. Main stack: Node.js, TypeScript, Azure, Kubernetes, PostgreSQL, Temporal, Docker, Git, CI/CD, Terraform, ClickUp, Claude Code.
  • RHEI
    Principal Engineer
    RHEI
    Jul 2025 - Nov 2025 (5 months)
    - Design scalable, complex software architectures and lead critical technical decisions, especially for the Made product (SaaS). - Reviewed and approved system-level design decisions. - Participate in technical refinements to support architectural discussions across teams. - Acted as technical escalation point for complex system issues. - Define and promote high standards in code quality, testing, security, and observability. - Collaborate with managers to ensure adherence to best engineering practices. - Partnered with product, DevOps, and data teams on platform evolution. - Act as a Staff Engineer, helping to implement new features and monitoring the applications to ensure scalability and smooth operation.
  • RHEI
    Tech Lead / Cloud Architect / Senior Back-end Developer
    RHEI
    Dec 2022 - Jul 2025 (2 years 8 months)
    - Technical leadership of a development team with back-end developers, front-end developers, AI engineers, data scientist, data engineer, QA, designer. My main focus is translating business requirements into a cloud architecture and technical specifications, utilizing agile methodology. - Designed and led the implementation of a cloud-native architecture on AWS supporting AI-driven SaaS workloads, enabling horizontal scalability, improved reliability, and faster feature delivery across multiple teams. - Defined architecture standards and best practices across teams, especially for SaaS products. - Design of an architecture for AI agents to communicate with other layers: back-end, BFF, and front-end. - Development of REST APIs and microservi
  • Olist
    Senior Back-end Developer
    Olist
    Jan 2022 - Nov 2022 (11 months)
    - Development of REST APIs and microservices for an e-commerce SaaS platform using agile methodologies. - Creation and analysis of Grafana dashboards for troubleshooting and enhancing APIs performance. Main stack: Python, Django, PostgreSQL, Docker, AWS (RDS, SNS, SQS, Lambda), Git, CI/CD, Redis, Jira, Grafana.
  • GLOBAL DRONES
    Senior Software Engineer
    GLOBAL DRONES
    Sep 2021 - Dec 2021 (4 months)
    - Project of a web application (full stack) for supporting aerial inspections using unmanned aircraft systems and concepts of agile methodologies. Software requirements specification with UML modeling and UI prototyping. Main stack: Python, React, XHTML, Git.
  • IEGI - IEGI - Instituto de Estudos, Gestão e Inovação
    Researcher / Full stack developer
    IEGI - IEGI - Instituto de Estudos, Gestão e Inovação
    Aug 2016 - Dec 2020 (4 years 5 months)
    - Researcher and developer in the area of Information and Communication Technology. - Architected and led development of distributed systems for autonomous power line inspections, leveraging Unmanned Aircraft Systems (UAS) and scalable data synchronization and processing pipelines. - Technical modeling using UML and UI prototyping. Main stack: Java/Sockets/Multithread/JPA/RMI, PHP/Codeigniter, XHTML/Bootstrap/jQuery, PostgreSQL, Oracle XE, Apache Webserver, SVN
  • Unisul
    Professor
    Unisul
    Feb 2016 - Jan 2020 (4 years)
    Professor of disciplines in the following areas: Compilers, Algorithms and Digital Games Development. I also worked as a programmer and game designer in a small research project in which we developed an EDU game called “River Hero”. Link to news about the game (in Portuguese): https://pedrasgrandes.sc.gov.br/noticia-525501/.
  • RWTH Aachen University
    Student Researcher
    RWTH Aachen University
    Mar 2013 - Aug 2013 (6 months)
    Researcher for five months as a Master's student, studying and repairing a machine vision system for headlight inspection. Main stack: Java/JADE, LabView
  • Universidade Federal de Santa Catarina
    Student Researcher
    Universidade Federal de Santa Catarina
    Jan 2011 - Jan 2014 (3 years 1 month)
    Main stack: Java, C++, OpenCV, SIFT algorithm, Haralick Features, Hough Transform
  • E
    Co-Founder / Tech Lead / Full Stack Developer / Automation Engineer
    Evoluma
    Jan 2009 - Aug 2021 (12 years 8 months)
    - Co-founded and led development of large-scale SCADA systems used in municipal water and wastewater treatments, serving around 2 million people. - Designed and implemented mission-critical control and monitoring software with high availability and real-world safety constraints. - Coordination of a software development team with around three people, using Kanban to manage the tasks. I conducted meetings with customers; and did requirement specifications architecture design, code-reviews, and performance analysis; - Programming of SaaS products (full stack) and desktop systems for industrial automation and vehicle tracking; - Automation and control engineering for basic sanitation and other areas. I designed and implemented digital controlle
  • N
    Lead Programmer
    Nuntec Gestão de Abastecimento de Frotas
    Jan 2007 - Jan 2009 (2 years 1 month)
    Management of a software development team for creating automated systems to processes related to fuel supply for vehicles and ships. Main stack: Java/Sockets/Multithread, Delphi, PostgreSQL, SVN
  • Unisul
    Professor
    Unisul
    Jan 2006 - Jan 2008 (2 years 1 month)
    Professor of disciplines: Formal languages and automata, Programing, Data structures, and Software Engineering.
  • Unisul
    Software Developer
    Unisul
    Dec 2005 - Jun 2007 (1 year 7 months)
    We developed a software for workflow and electronic document management in a research project. Main stack: Java (Servlets and Desktop)/JSTL, XHTML, Oracle.
  • Unisul
    Software Developer
    Unisul
    Jun 2004 - Dec 2005 (1 year 7 months)
    Programmer in a research project for implementation of an automated weather station. Main stack: Java (Servlets and Applet), XHTML, Firebird (database), PIC (microcontroller).
  • Self-employed
    Application Developer
    Self-employed
    Jan 2000 - Jan 2005 (5 years 1 month)
    Development of commercial applications on demand. Main stack: Delphi, Java, Interbase/Firebird (database), Paradox (database), thermal printers, matrix printers, barcode scanners.
Education verified_user 0% verified
  • RWTH Aachen University
    master, Research as a master's student, Computer Vision
    RWTH Aachen University
    Jan 2013
  • Universidade Federal de Santa Catarina
    master, Master's in Automation and Systems Engineering, Computer Vision
    Universidade Federal de Santa Catarina
    Jan 2011 - Jan 2014 (3 years 1 month)
  • Universidade do Sul de Santa Catarina
    bachelor, Bachelor in Computer Science, Formal Languages and Automata
    Universidade do Sul de Santa Catarina
    Jan 2001 - Jan 2005 (4 years 1 month)
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