Dieison Calazans

Experience

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  CNI Informática

  Jan 2004 - Dec 2006

  Computer Instructor

  - Basic and Advanced Computer Instructor

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  Midia Proativa

  Jan 2007 - Dec 2007

  Junior Web Developer

  - PHP- MySQL- JavaScript (Jquery, AJAX, etc)- WebStandards- Tableless- Design Encoder- CSS, XHTML, HTML, HTTPS, SSL

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  AQUA interativa

  Jan 2008 - Dec 2009

  Junior Analyst Developer

  Experience:- Application development in PHP 5.2- MySQL database management and development- Creation with Joomla and Wordpress CMS- Application of Tableless and WebStandards- Accessibility for WebSites- AJAX Master (AJAX Navigation)- JavaScript (JQuery)- Action Script 3.0 (Adobe)- Photoshop Basic- XHTML and HTML- SSL and HTTPS

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  Força Aérea Brasileira - FAB

  Jan 2010 - Aug 2010

  Aviation Electronics Specialist

  Military Specialist in Electronics for Aviation and Air Traffic.

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  DECEA - Departamento de Controle do Espaço Aéreo

  Aug 2010 - Apr 2021

  Technical Lead of the Information Technology and Telecommunications team, also acting as a software developer in Python.Responsibilities:Python/Django software developer.Information technology team management.Aeronautical Telecommunications Technical Leader.CISCO Network Infrastructure Technical Lead.Technical lead on XEN, Hyper-V and Debian server infrastructures. Python/Django software developer and technical support in networks, servers and critical applications focused on Brazilian air traffic control.Technology used:Python | Django | PHP | Laravel | HTML | CSS | Debian | MySql | Postgress | GitHub | Bootstrap | Shellscript Technical Lead of the Information Technology and Telecommunications team, also acting as a software developer in PHP.Responsibilities:PHP software developer.Information technology team management.Aeronautical Telecommunications Technical Leader.CISCO Network Infrastructure Technical Lead.Technology used:PHP | HTML | CSS | Debian | MySql | Postgress | GitHub | Bootstrap | Shellscript | MySql PHP software developer and technical support in networks, servers and critical applications focused on Brazilian air traffic control.Technology used:PHP | HTML | CSS | MySQL | Server Virtualization | Xen Server | Debian | Ubuntu | Shell Script | Unix | Solaris

  • Information Technology Team Lead

    Jun 2020 - Apr 2021

  • DevOps (On premise)

    Jan 2016 - Jun 2020

  • Information Technology Team Lead

    Jul 2012 - Dec 2015

  • DevOps (On Premise)

    Aug 2010 - Jul 2012
• 

  Globo

  Jan 2021 - Jan 2022

  Software Engineer

  Software Developer at TV Globo, fourth largest broadcast company in the world. Working on developing solutions using Python, FastAPI and Vue.JSOutsourced allocation by METATechnology used:Python | FastAPI | Node | Angular | VUE.JS | Linux | Docker | Git | CI/CD Gitlab | AWS | SQS | RDS | S3 | Kanban | Jira | SCRUM

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  Azion

  Jan 2022 - Jul 2022

  Software Engineer

  Senior software developer for security solutions using Python, Django, Django Rest Framework and Vue.JS as main tools.Working remotely from Brazil.Technology used:CI/CD | GitHub Actions | Unit Tests | Automated Testing | End-to-end Testing Using Selenium | Agile Framework | SCRUM | Kanban | JIRA | Python | Django | Django REST Framework | DRF | CentOS | Vue.JS | HTML | CSS

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  Solfácil

  Jul 2022 - Jan 2024

  Technical Manager

  Technical team leader;Technology Tools for Pricing Strategies;Team focal point for the Product Manager;Track, provide and measure team metrics;Perform the people management of its structure;Perform 1:1 with team members and provide feedbacks;Create, track and facilitate people's IDPs;Facilitate iterations to reduce the backlog of technical debits;Guardian of the good practices and quality of software development;Ensures agile principles, acting as facilitator in team ceremonies;In conjunction with the Tech Manager, monitor the progress and implementation of initiatives.Technology used:Elixir | Phoenix | Python | Flask | DRF | Git | Rest | Docker | Jenkins | Vue.JS | AWS | RDS | SQS | EC2 | S3 | HTML | CSS | Javascript | Postgress | Figma | Kanban | Jira | Miro | Mural Show less

• 

  HSystem

  Jan 2024 - now

  Engineering Leader

  At HSYSTEM, my primary focus is on leveraging AI to drive cutting-edge solutions. I specialize in advanced AI competencies, including LLMs, prompt engineering, fine-tuning, RAG, embeddings, vector database management, vector search and indexing, NLP and N8N. These skills empower me to architect innovative, data-driven strategies that transform our business operations.While AI is my core strength, I also maintain a solid technical foundation. I lead the entire engineering team, collaborating closely with DevOps (Cloud) and Data teams, and managing Tech Managers responsible for our software engineering initiatives. Additionally, I provide direct advisory support to both the CEO and the board of directors in making strategic technical decisions.My background includes expertise in Python, Golang, Django, MongoDB, PostgreSQL, MySQL, Kafka, RabbitMQ, and AWS cloud solutions. This robust skill set ensures seamless integration between our advanced AI projects and scalable, cost-effective systems.Combining a data-driven mindset with refined cost management, I utilize DORA metrics to enhance delivery efficiency and implement OKRs and Kanban to align teams and processes. I integrate technology, strategy, and innovation to deliver robust, scalable, and sustainable solutions that keep us at the forefront of the industry. Show less