Marvin Roger - Software Engineer at Orus

Marvin Roger

Software Engineer at Orus

Paris, Ile-de-France

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Summary

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Rockstar

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Top School

Marvin Roger is a versatile software engineer with 13 years of experience, specialized in JavaScript/TypeScript, Node.js and React while maintaining deep expertise in embedded IoT development. Self-taught early on and later formally trained, he has shipped production systems in startups and led engineering teams, currently working at Orus after a lead role at iziwork. His open-source work on Homie (homie-esp8266) and async-mqtt-client demonstrates practical mastery of ESP8266/ESP32 constraints and MQTT internals, including features like non-clean sessions, dup/retain handling and event-based WiFi reconnection. Passionate about product quality, he cares as much about intuitive, attractive UX as robust back-end architecture and values transparent, tight-knit teams. Based in Paris, he brings curiosity-driven, hands-on problem solving and a preference for fast-moving startups that let engineers influence product across tech and design. Outside code, he credits sport and music for resilience and creativity, which often shapes his collaborative leadership style.

13 years of coding experience

5 years of employment as a software developer

Baccalauréat, Scientifique, spécialité Sciences de l'Ingénieur, option Cinéma audiovisuel, Mention Assez Bien, Baccalauréat, Scientifique, spécialité Sciences de l'Ingénieur, option Cinéma audiovisuel, Mention Assez Bien at Lycée Guillaume Budé

Expert en ingénierie du logiciel (RNCP niveau 7), Informatique, Expert en ingénierie du logiciel (RNCP niveau 7), Informatique at IN'TECH

English, French

Github Skills (16)

asynchronous10

mqtt10

esp3210

iot10

c-language10

cprogramming-language10

arduino10

async10

esp826610

mqttnet10

clientside9

web-framework9

home-automation9

webclient9

application-framework9

Programming languages (20)

JavaC++CSSCRustPLpgSQLVueGo

Github contributions (5)

marvinroger/async-mqtt-client

May 2016 - Dec 2017

📶 An Arduino for ESP8266 asynchronous MQTT client implementation

Role in this project:

Embedded Systems Engineer / IoT Developer

Contributions:6 releases, 41 commits, 23 PRs in 1 year 6 months

Contributions summary:Marvin primarily focused on enhancing the asynchronous MQTT client implementation for ESP8266 and ESP32 platforms. Their contributions involved modifying the message handling logic to include features like `dup` and `retain` flags, essential for MQTT communication. They also introduced support for non-clean sessions, improved code safety, added event-based WiFi connection handling, and implemented methods for setting maximum topic length. The user's work demonstrates a deep understanding of the MQTT protocol and its implementation on resource-constrained devices.

asynchronousmqttesp8266arduinomqtt-client

homieiot/homie-esp8266

Dec 2015 - Jan 2019

💡 ESP8266 framework for Homie, a lightweight MQTT convention for the IoT

Role in this project:

Back-end Developer

Contributions:11 releases, 366 commits, 85 PRs in 3 years 1 month

Contributions summary:Marvin primarily focused on modifying and enhancing the Homie-ESP8266 framework. Their contributions involved changing ports, adding configurations for CORS to PROGMEM, reorganizing files, and simplifying topic generation within the framework. They also worked on bug fixes for examples within the framework. The changes implemented and suggest a developer proficient in embedded systems and IoT development.

esp8266frameworkhome-automationarduinomqtt

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