Mario Dantas
Senior DevOps / SRE – CI/CD · Embedded Engineer · Full-Stack Developer
mariodantas.com mariodantas mariodantas1975 mario.dantas.1975@gmail.com
25+ years of hands-on experience bridging hardware and software – available for freelance & contract engagements. Download PDF / DOCX

Professional Experience

Production Engineer Current
BNP Paribas CIB – Paris
November 2023 – Present
  • CI/CD pipeline management and optimization (Jenkins, Artifactory, Autosys)
  • Application monitoring and incident management (Dynatrace, Geneos)
  • Automation of operational tasks via Shell scripting and Python
  • AIX and Linux system administration (patching, capacity, tuning)
  • Database administration support (Oracle, Sybase)
📈 Reduced deployment lead time by 40% through CI/CD optimization; automated 15+ manual tasks saving ~10h/week.
JenkinsArtifactory AutosysDynatrace GeneosAIX LinuxOracle SybasePythonShell
Head of IT Infrastructure
Alizé Trading – Paris
January 2018 – August 2023
  • Designed and deployed high-availability clusters (DRBD, OCFS2, Keepalived)
  • Managed full network infrastructure: DHCP/DNS, VPN, VLAN, load balancing
  • Migrated legacy systems to full-stack automation with CI/CD pipelines
  • Full-stack PHP/MySQL application development and database administration
  • ELK Stack, Grafana, PRTG monitoring setup and maintenance
  • Sole IT contact – managed 100% of technical operations for the company
📈 Achieved 99.99% uptime on trading infrastructure; reduced infrastructure costs by 25%.
DRBDOCFS2 KeepalivedELK GrafanaPRTG PHPMySQL LinuxVPNVLAN
Systems Administrator
Havas Media – Puteaux
October 2017 – January 2018
  • GitLab CI/CD implementation for automated deployment across dev/qualif/prod
  • Linux server administration and environment standardization
  • Cross-team technical support and infrastructure documentation
📈 Accelerated environment provisioning by 50% via GitLab CI/CD automation.
GitLab CI/CDLinuxBash
Web / Frontend Developer
Intrapole – Champcueil
July 2017 – August 2017
  • Responsive UI/UX redesign using HTML5, CSS3, jQuery
  • WordPress performance optimization and plugin integration
📈 UI revamp led to a 30% increase in user engagement.
HTML5CSS3 jQueryWordPress
PHP / MySQL Developer & Sysadmin
SAS ASSERCAR – Asnières-sur-Seine
May 2011 – December 2016
  • Full PHP OOP application development and MySQL database administration
  • Debian Linux server management with 24/7 availability targets
  • Database schema migration, query optimization, stored procedures
📈 MySQL query response time improved by 60% after optimization; zero critical downtime over 5 years.
PHP OOPMySQL DebianApacheBash
Early Career – Developer & Sysadmin
Zabaion · ClickGraph · Clover Technologies · Tecnohipica · Datamatic
Before 2011
  • Built 5+ e-commerce websites from scratch (Magento, PrestaShop)
  • Implemented and managed Windows Server networks (up to 200 users)
  • PHP/MySQL development, VB.NET applications, technical support
MagentoPrestaShop Windows ServerVB.NETPHP

Personal & Freelance Projects

Ethanol Fuel Measurement Device Hardware + Firmware
esi.mariodantas.com
Full end-to-end project: mechanics, custom PCB design (DesignSpark), Arduino C++ firmware, and a PC data logging interface. Achieved ±0.5% measurement accuracy.
Arduino C++PCB DesignDesignSparkElectronics
C++ Flight Simulator Instruments – Boeing 737 Cockpit C++ / OpenGL
Pixel-perfect cockpit instrument panels in C++ with OpenGL and GDI+. Real-time 60 FPS rendering with simulator data bus integration. Used by a dedicated flight simulation community.
C++OpenGLGDI+.NETFlight Simulator
FYT Factory – Custom Android Firmware (MD-EDITION) Android / Embedded
fytfactory.mariodantas.com
Custom kernel for Android car head units with GPU rendering optimizations, memory tuning, and a companion FMC management app (backup/restore). Featured on XDA Forums; trusted by thousands of users worldwide.
AndroidJavaKernelGroovyGradle

Technical Skills

CI/CD & Monitoring

Jenkins, Artifactory, Autosys, GitLab CI, Dynatrace, Geneos, ELK Stack, Grafana, PRTG

Systems & Networks

Linux (Debian/RHEL), AIX, Windows Server, DRBD, OCFS2, Keepalived, DHCP/DNS, VPN, VLAN, Load Balancing

Languages

Shell/Bash, Python, PHP (OOP), C++ (Arduino), Java, C#, VB.NET, JavaScript, Groovy

Databases

MySQL (admin + PDO), Oracle, Sybase — advanced queries, stored procedures, schema migration

Frontend

HTML5, CSS3, JavaScript, jQuery, Ajax, Bootstrap, responsive design

Embedded & Hardware

Arduino / ESP32 (C++), PCB design (DesignSpark), sensor integration, custom electronics prototyping

Mobile

Android development (Java, Groovy, Gradle), custom kernel / firmware engineering

Tools & IDEs

Git, NetBeans, PyCharm, VS Code, PHPStorm, Android Studio, Docker (basic)

Languages

🇫🇷 FrenchProfessional
🇬🇧 EnglishProfessional
🇵🇹 PortugueseNative
🇪🇸 SpanishIntermediate

Interests

Performance Cars Motorbikes PCB Design Flight Simulation Android Modding IoT / Embedded

Available for freelance contracts, prototype development, or technical consulting.

Let's talk