Senior Software Engineer

February - July 2016CTO Sereema (remote rotor monitoring for wind turbines)

The product is a box attached to the nacelle. It transmits data to the servers where it is aggregated then displayed in a web UI.

• Hired the first developer
• Started the web, embedded and hardware development pipelines
• Introduced the design for manufacturing
• Managed the external consulting firm
• Python, django, numpy, Eagle CAD, Fusion 360, D3, Amazon Web Services

October 2013 to January 2014Independent Developer

Remote contracting for an online laser cutting application (yet to be branded and launched).

• Created a geometry reconstruction algorithm after polygon clipping
• Enhanced the graphical online editor
• Added automated tests and refactoring
• jQuery, Workers, SVG, Raphael.js

Since January 2013Open Source Developer

Developed an open source CNC milling machine controller (http://nraynaud.github.io/webgcode/). After buying a CNC router, I found the existing software lacking in ease of use and functionality, so I started writing my own.

• The entire interface is in the browser, and the USB communication is done with a Chrome Application
• G-code parser and toolpath interpolator (javascript).
• Microcontroller embedded code (STM32F4)
• Control and communication interface with 3D display
• Toolpath computation (contouring, pocket roughing, 3D milling, drilling)
• Ember, jQuery, ACE editor, Workers, Three.js (webgl), SVG, Canvas, HTML5, CSS3, Firebase

January 2010 to December 2012Head of Reseach and Development Web Geo Services (SaaS geographical portals)

I pushed the company from the first prototype to an industrial quality product, tested and deployed in a controlled manner.
During my tenure, the company went from 4 to 15 employees, raised €2M and deployed 50 instances of the product.

• Introduced development, testing and deployment procedures (eXtreme Programming)
• Brought the software editor spirit: innovation management, product versions, UX, user psychology.
• Hired the development team
• Changed the underlying platform (from drupal+mysql to django+postgresql)
• Changed the IT strategy to cloud everywhere: product deployment (Gandi, Amazon Web Services), and for internal tools (Github, PagerDuty, New Relic, Salesforce, Google Applications).

December 2008 to January 2010Independent Developer

Developed a document generator for a German insurance broker (VFS Heinz Grümmer GmbH).

• Java, Swing, annotations, reflection, generics, xstream, jgoodies binding, OpenOffice

October 2007 to December 2008Founder Trainoo (sports community)

Developed and deployed the site with outside help for the design.

• J2EE, Struts2, Mysql, Spring, Hibernate

December 2005 to December 2007eXtreme Programming Product Owner Smartesting (Automated test generator)

Responsible for tactical decisions about the product, prioritizing tasks and answering developer questions. Successfully re-oriented the product from smart card to banking and general IT.

• Reinvented the user interface
• Removed a priori analysis in favor of prototyping and refining
• Prioritized bug correction before new features
• The bug stock decreased from about one hundred to six under my tenure

before December 2005Previous Experiences

• Junior C#.net developer at a web agency (for nestle.fr, International Olympic Committee)
• Application engineer at PSA Peugeot Citroën for electronics applications (Saber, Orcad, Modelsim ...)
• About 10 software and electronics engineering experiences before graduating (summer jobs, internships or student enterprises)