David Delassus

CEO & Co-Founder at Link Society

david.jose.delassus@gmail.com

December 16th, 1993

Lille, France

5 days / week

600€ / day

📝 Bio

I’m an autodidact software developer since 2005, with a high interest in Cloud Computing, Automation, and building softwares that are easy to setup and easy to use.

I believe in Open Source, stigmergy and people’s potential for the best.

I am currently working on:

Github Contributions
Github contributions chart

📰 Articles

Read more on: LinuxFR Medium

🤹 Skills

Operating SystemWindows Linux BSD
Programming LanguagesC C++ Python (2.7+, 3.4+) Go Rust Javascript (ES5, ES6) Erlang Elixir PHP (5, 7) Shell Scripting Perl Lua Java Assembly x86
System AdministrationAnsible Kubernetes Rancher Docker
Cloud PlatformsGCP AWS Azure DigitalOcean OVH
Continuous Integration & DeploymentJenkins Rundeck ArgoCD TektonCD Github Actions Gitlab CI Terraform
Supervision & MonitoringNagios Shinken Centreon Icinga Zabbix Prometheus FlowG Splunk Datadog
IPAM & DCIMNetBox
Web ServersApache2 Nginx (& Nginx Plus) Caddy
High AvailabilityHAProxy Traefik Keepalived MetalLB
VirtualizationVirtualBox libvirt Xen VMWare QEMU
DatabasesPostgreSQL MySQL MariaDB MongoDB Riak Redis
Big Data & Machine LearningElasticSearch SolR Tensorflow scikit-learn IPython (Jupyter) Talend
Frontend LibrariesVueJS React EmberJS jQuery ExtJS
Backend LibrariesDjango Flask ExpressJS Socket.IO Phoenix
OtherOpenLDAP RabbitMQ Kafka Arduino Raspberry Pi

📢 Languages

EnglishFluent
FrenchNative

📄 Projects

FlowGOpenSource Log Processing softwareGo, Rust
krouterFully compliant Kubernetes Gateway API implementationKubernetes, Go
KubirdsDockerized Supervision engineKubernetes, Elixir, Go
TricorderAutomation the KISS way, no YAML involvedRust
TrollworksC++ 3D Game Engine with EditorC++, OpenGL
SlightXHobby Operating SystemC, Assembly x86_64
gotemplGeneric templating toolGo
procfusionProcess manager for Docker imagesRust
DatapioContinuous Integration and Deployment platformKubernetes, Elixir, Go
LetlangCompiler for a homemade functional programming languageRust

📅 Experience

July 2017Link Society
On goingCEO & Co-Founder

Context: Software Editor

Missions:

Development of a Patient Follow-Up software for Radiology departments: SPRadio

Environment: Python, Django, Typescript, VueJS

Development of a mobile application for the organization 3-6-9-12

Environment: Typescript, VueJS

Development of a Continuous Integration and Deployment platform: Datapio

Environment: Linux, Kubernetes, TektonCD, Elixir, RabbitMQ

Development of a Dockerized Supervision engine: Kubirds

Environment: Linux, Kubernetes, TektonCD, Elixir, Go

Teaching courses (with ESTIAM and/or SUPINFO)

Environment: Windows, Linux, Python, C, Go

Marketing strategy & Business Development

Environment:

Development of a Kubernetes as a Service platform based on k0s

Environment: Linux, Kubernetes, k0s, Netbox, Python

Development of an OpenSource Log Processing software: FlowG

Environment: Linux, Kubernetes, Go, Rust, MCP

Development of a SaaS offering for FlowG based on Netbox and the Netbox Docker Plugin

Environment: Linux, Kubernetes, Go, Rust, MCP, Netbox, Docker

Development of an LLM-based document indexing software: LLamapedia

Environment: Linux, Python, LLMs, MCP

April 2023European Commission
August 2026Freelance DevSecOps engineer

Context: System administrator

Missions:

Development of features on Netbox plugins for Reverse Proxies and Docker orchestration

Environment: Python, Netbox

Development of a Netbox Webhook handler to automate live configuration updates on Reverse Proxies

Environment: Python, Netbox, Traefik, Apache2, ModSecurity Web Application Firewall, NGINX

Development of Ansible roles and playbooks to orchestrate Docker-based services via Netbox and AWX

Environment: Python, Ansible, AWX, Netbox, Docker

Development of Gitlab CI/CD pipelines to build, test and release Python projects, Docker images, and Ansible collections

Environment: Gitlab CI, Python, Docker, Ansible

Design of Reverse Proxy and Web Application Firewall configuration to match business requirements and security best practices

Environment: Traefik, Apache2, ModSecurity Web Application Firewall, NGINX

Design of Reverse Proxy architecture (with WAF, custom middlewares, automated TLS certificate management, rate limiting, caching, …) based on Netbox

Environment: Netbox, Traefik, Apache2, ModSecurity Web Application Firewall, NGINX

Implementation of Prometheus Exporter and Healthcheck endpoints to match monitoring requirements

Environment: Python, Prometheus, Grafana, AlertManager, SNMP, Blackbox

Writing Technical Documentation for code and architecture

Environment: Ansible, AWX, AWS (EC2, VPC, ...), Docker, Gitlab, Netbox

Writing User Guides and Troubleshooting guides for knowledge transfer within the team

Environment: Kubernetes, Ansible, AWX, Netbox

Writing Standard Operating Procedures for system administration tasks and incident response

Environment: Ansible, AWX, Netbox

December 2021Goveni
March 2023Freelance Backend engineer

Context: Financica accounting application

Missions:

Python Backend development

Environment: Python, Django, PostgreSQL

Frontend development

Environment: TypeScript, React

AWS infrastructure management with Terraform

Environment: AWS (EC2, RDS, VPC, S3), Terraform, Docker

July 2018PROXIAD
September 2020Freelance DevOps Engineer

Context: DevOps engineer for the Retail teams at Decathlon

Missions:

Weekly delivery of internal applications in Pre-Production environments

Environment: Linux, Kubernetes, Rancher, Jenkins

Automation of Integration and Deployment workflows

Environment: Linux, Kubernetes, Jenkins, Java/Groovy, Rundeck, ArgoCD, TektonCD

Coaching of developers on Production Deployment workflows

Environment: Windows, Linux, Java/Groovy, SpringBoot

Development/Pre-Production/Production infrastructure management

Environment: Kubernetes, ELK, TICK, SpringBoot, PostgreSQL

Micro Service infrastructure management (secret management, CI/CD, …)

Environment: Linux, Kubernetes, Jenkins, Ansible, ELK, TICK

April 2018PROXIAD
June 2018Freelance Python Developer / System Administrator

Context: Feature Development for Big Data projects at IT-CE

Missions:

Implementation of an automated deployment solution of Python/R environments on an Hadoop/Spark based infrastructure

Environment: Windows, Python, Anaconda, Ansible, Hadoop, Spark, Git

Tooling Documentation

Environment:

March 2017Scille
March 2018Freelance Python Developer

Context: Feature development for the projects of the software editor Scille with the Ministère de l’intérieur and the Ministère de la défense

Missions:

Implementation of replication between MongoDB and PostgreSQL for the Analytics team of the SIAEF project at the DGEF

Environment: Linux, Python, MongoDB, PostgreSQL, SolR, SuperSet

Improvements on the test suite of the SIAEF project

Environment: Python, pytest, Hypothesis

Implementation of a PostgreSQL backend for the Open Source secure cloud software Parsec

Environment: Python, PostgreSQL, Flask

Implementation of folder synchronization for Parsec

Environment: Python, PostgreSQL, Flask

2017ESTIAM
2019Freelance Teacher

Context: 4th and 5th year university courses

Missions:

C Development for Arduino

Environment: C, Arduino

Advanced Javascript Development

Environment: Javascript

Web Development with Symfony

Environment: PHP, Symfony

Prestashop plugin development

Environment: PHP, Prestashop

Linux System Administration

Environment: Linux

Advanced Network Architecture

Environment: Linux, Cisco IOS

Data Transformation and integration with Talend

Environment: Talend

Data Visualization

Environment: IPython (Jupyter), Tensorflow

November 2016ELONET
February 2017Freelance PHP / Python Developer

Context: Feature Development for the projects of the software editor ELONET

Missions:

Development of plugins for Dolibarr

Environment: Linux, PHP, Dolibarr

Development of a monitoring solution to observe access to mails attached files

Environment: PHP

Development of an alerting system for the decentralized supervision software: Decmon

Environment: Linux, Python, ElasticSearch

2013SUPINFO
2015Freelance Teacher

Context: First-year university courses

Missions:

C & Python training with classrooms of 30 students on average

Environment: Python, C, Windows, Linux

July 2013Capensis
November 2016Python Software Developer / System Administrator / Trainer

Context: Development of an Open Source hypervisor: Canopsis

Missions:

Development of data collectors for Canopsis

Environment: Python

Development of processing engines for Canopsis

Environment: Python, RabbitMQ, MongoDB

Development of widgets for the Web UI of Canopsis

Environment: Javascript, EmberJS

Implementation of installation procedure of Canopsis (shell based, then Ansible)

Environment: Linux, Shell, Ansible

Installation on end-user’s infrastructure (RATP) and application management

Environment: Linux, Shell, Ansible, VMWare

Documentation of the installation and exploitation procedure of Canopsis for RATP

Environment:

End-user training for Canopsis at RATP

Environment:

Quality Assurance procedure with end-users at RATP

Environment:

Development of a Graph Database for a universal CMDB

Environment: Python, Riak

Python training with Pôle Emploi during many POE

Environment: Linux, Shell, Python

Implementation of High Availability for Canopsis

Environment: Linux, HAProxy, Keepalived

November 20119h37 SAS
June 2013Python Software Developer

Context: Internship at the software development division

Missions:

Development of internal tooling for sales and IT teams

Environment: Python, Django

Implementation of CPS (Carte de professionnel Santé) based authentication in Ubinect

Environment: Linux, Apache2, LemonLDAP::NG

Development of statistical views in Ubinect

Environment: Python, Django

From: July 2017CEO & Co-Founder at Link Society
To: On goingContext: Software Editor
Missions:
  • Development of a Patient Follow-Up software for Radiology departments: SPRadio
    Environment: Python, Django, Typescript, VueJS
  • Development of a mobile application for the organization 3-6-9-12
    Environment: Typescript, VueJS
  • Development of a Continuous Integration and Deployment platform: Datapio
    Environment: Linux, Kubernetes, TektonCD, Elixir, RabbitMQ
  • Development of a Dockerized Supervision engine: Kubirds
    Environment: Linux, Kubernetes, TektonCD, Elixir, Go
  • Teaching courses (with ESTIAM and/or SUPINFO)
    Environment: Windows, Linux, Python, C, Go
  • Marketing strategy & Business Development
  • Development of a Kubernetes as a Service platform based on k0s
    Environment: Linux, Kubernetes, k0s, Netbox, Python
  • Development of an OpenSource Log Processing software: FlowG
    Environment: Linux, Kubernetes, Go, Rust, MCP
  • Development of a SaaS offering for FlowG based on Netbox and the Netbox Docker Plugin
    Environment: Linux, Kubernetes, Go, Rust, MCP, Netbox, Docker
  • Development of an LLM-based document indexing software: LLamapedia
    Environment: Linux, Python, LLMs, MCP
From: April 2023Freelance DevSecOps engineer at European Commission
To: August 2026Context: System administrator
Missions:
  • Development of features on Netbox plugins for Reverse Proxies and Docker orchestration
    Environment: Python, Netbox
  • Development of a Netbox Webhook handler to automate live configuration updates on Reverse Proxies
    Environment: Python, Netbox, Traefik, Apache2, ModSecurity Web Application Firewall, NGINX
  • Development of Ansible roles and playbooks to orchestrate Docker-based services via Netbox and AWX
    Environment: Python, Ansible, AWX, Netbox, Docker
  • Development of Gitlab CI/CD pipelines to build, test and release Python projects, Docker images, and Ansible collections
    Environment: Gitlab CI, Python, Docker, Ansible
  • Design of Reverse Proxy and Web Application Firewall configuration to match business requirements and security best practices
    Environment: Traefik, Apache2, ModSecurity Web Application Firewall, NGINX
  • Design of Reverse Proxy architecture (with WAF, custom middlewares, automated TLS certificate management, rate limiting, caching, …) based on Netbox
    Environment: Netbox, Traefik, Apache2, ModSecurity Web Application Firewall, NGINX
  • Implementation of Prometheus Exporter and Healthcheck endpoints to match monitoring requirements
    Environment: Python, Prometheus, Grafana, AlertManager, SNMP, Blackbox
  • Writing Technical Documentation for code and architecture
    Environment: Ansible, AWX, AWS (EC2, VPC, ...), Docker, Gitlab, Netbox
  • Writing User Guides and Troubleshooting guides for knowledge transfer within the team
    Environment: Kubernetes, Ansible, AWX, Netbox
  • Writing Standard Operating Procedures for system administration tasks and incident response
    Environment: Ansible, AWX, Netbox
From: December 2021Freelance Backend engineer at Goveni
To: March 2023Context: Financica accounting application
Missions:
  • Python Backend development
    Environment: Python, Django, PostgreSQL
  • Frontend development
    Environment: TypeScript, React
  • AWS infrastructure management with Terraform
    Environment: AWS (EC2, RDS, VPC, S3), Terraform, Docker
From: July 2018Freelance DevOps Engineer at PROXIAD
To: September 2020Context: DevOps engineer for the Retail teams at Decathlon
Missions:
  • Weekly delivery of internal applications in Pre-Production environments
    Environment: Linux, Kubernetes, Rancher, Jenkins
  • Automation of Integration and Deployment workflows
    Environment: Linux, Kubernetes, Jenkins, Java/Groovy, Rundeck, ArgoCD, TektonCD
  • Coaching of developers on Production Deployment workflows
    Environment: Windows, Linux, Java/Groovy, SpringBoot
  • Development/Pre-Production/Production infrastructure management
    Environment: Kubernetes, ELK, TICK, SpringBoot, PostgreSQL
  • Micro Service infrastructure management (secret management, CI/CD, …)
    Environment: Linux, Kubernetes, Jenkins, Ansible, ELK, TICK
From: April 2018Freelance Python Developer / System Administrator at PROXIAD
To: June 2018Context: Feature Development for Big Data projects at IT-CE
Missions:
  • Implementation of an automated deployment solution of Python/R environments on an Hadoop/Spark based infrastructure
    Environment: Windows, Python, Anaconda, Ansible, Hadoop, Spark, Git
  • Tooling Documentation
From: March 2017Freelance Python Developer at Scille
To: March 2018Context: Feature development for the projects of the software editor Scille with the Ministère de l’intérieur and the Ministère de la défense
Missions:
  • Implementation of replication between MongoDB and PostgreSQL for the Analytics team of the SIAEF project at the DGEF
    Environment: Linux, Python, MongoDB, PostgreSQL, SolR, SuperSet
  • Improvements on the test suite of the SIAEF project
    Environment: Python, pytest, Hypothesis
  • Implementation of a PostgreSQL backend for the Open Source secure cloud software Parsec
    Environment: Python, PostgreSQL, Flask
  • Implementation of folder synchronization for Parsec
    Environment: Python, PostgreSQL, Flask
From: 2017Freelance Teacher at ESTIAM
To: 2019Context: 4th and 5th year university courses
Missions:
  • C Development for Arduino
    Environment: C, Arduino
  • Advanced Javascript Development
    Environment: Javascript
  • Web Development with Symfony
    Environment: PHP, Symfony
  • Prestashop plugin development
    Environment: PHP, Prestashop
  • Linux System Administration
    Environment: Linux
  • Advanced Network Architecture
    Environment: Linux, Cisco IOS
  • Data Transformation and integration with Talend
    Environment: Talend
  • Data Visualization
    Environment: IPython (Jupyter), Tensorflow
From: November 2016Freelance PHP / Python Developer at ELONET
To: February 2017Context: Feature Development for the projects of the software editor ELONET
Missions:
  • Development of plugins for Dolibarr
    Environment: Linux, PHP, Dolibarr
  • Development of a monitoring solution to observe access to mails attached files
    Environment: PHP
  • Development of an alerting system for the decentralized supervision software: Decmon
    Environment: Linux, Python, ElasticSearch
From: 2013Freelance Teacher at SUPINFO
To: 2015Context: First-year university courses
Missions:
  • C & Python training with classrooms of 30 students on average
    Environment: Python, C, Windows, Linux
From: July 2013Python Software Developer / System Administrator / Trainer at Capensis
To: November 2016Context: Development of an Open Source hypervisor: Canopsis
Missions:
  • Development of data collectors for Canopsis
    Environment: Python
  • Development of processing engines for Canopsis
    Environment: Python, RabbitMQ, MongoDB
  • Development of widgets for the Web UI of Canopsis
    Environment: Javascript, EmberJS
  • Implementation of installation procedure of Canopsis (shell based, then Ansible)
    Environment: Linux, Shell, Ansible
  • Installation on end-user’s infrastructure (RATP) and application management
    Environment: Linux, Shell, Ansible, VMWare
  • Documentation of the installation and exploitation procedure of Canopsis for RATP
  • End-user training for Canopsis at RATP
  • Quality Assurance procedure with end-users at RATP
  • Development of a Graph Database for a universal CMDB
    Environment: Python, Riak
  • Python training with Pôle Emploi during many POE
    Environment: Linux, Shell, Python
  • Implementation of High Availability for Canopsis
    Environment: Linux, HAProxy, Keepalived
From: November 2011Python Software Developer at 9h37 SAS
To: June 2013Context: Internship at the software development division
Missions:
  • Development of internal tooling for sales and IT teams
    Environment: Python, Django
  • Implementation of CPS (Carte de professionnel Santé) based authentication in Ubinect
    Environment: Linux, Apache2, LemonLDAP::NG
  • Development of statistical views in Ubinect
    Environment: Python, Django