# Julien Apoena Calixte (@apoena.dev)

Profile: https://sifa.id/p/apoena.dev
Headline: Head of Engineering
Location: Paris, Île-de-France

## About

Head of Engineering @Theodo Apps

## Experience

- **architecte / team leader at Theodo Apps (ex-BAM)** (2019 – 2022)
- **Responsable de l’ingénierie at Theodo Apps (ex-BAM)** (2024 – present)
- **Apprenti ingénieur at Sopra Steria** (2013 – 2015)
- **Ingénieur logiciel at Sopra Steria** (2015 – 2018)
- **Responsable technique at Sopra Steria** (2018 – 2019)
- **Engineering manager at Theodo Apps (ex-BAM)** (2022 – 2024)

## Education

- **Institut supérieur d'Electronique de Paris** — Master's degree (2010 – 2015)

## Skills

- TypeScript
- CSS
- Vuejs
- PHP
- ASP.NET Core
- CouchDb
- AJAX
- Développement front-end
- CSS3
- VueJS
- HTML5
- JavaScript
- Progressive Web App

## Projects

- **Walice**
  Développement d'une application web de gestion de garanties pour moteurs d'avions (CFM & LEAP) pour Snecma

## Publications

- 📘 Gemba Kaizen — apoena.dev (https://apoena.dev/pub/3moswycb74i2c/gemba-kaizen)
- The Tragedy of the Commons — apoena.dev (https://apoena.dev/pub/3mnzigw6lks22/the-tragedy-of-the-commons)
- Henkaten - when our solution becomes others' problem — apoena.dev (https://apoena.dev/pub/3mnzhyfoetu22/henkaten-when-our-solution-becomes-others-problem)
- Reifying must go through communication with people — apoena.dev (https://apoena.dev/pub/3mnzgf65q7l2e/reifying-must-go-through-communication-with-people)
- Material and Information Flow Analysis - MIFA — apoena.dev (https://apoena.dev/pub/3mnyyml7xuo22/mifa)
- Ishikawa Diagram — apoena.dev (https://apoena.dev/pub/3mnyyblgimc22/ishikawa-diagram)
- Le gemba — apoena.dev (https://apoena.dev/pub/3mfs57jvjr62i/gemba)
- Just-in-time — apoena.dev (https://apoena.dev/pub/3mehjgf6wyz2t/just-in-time)
- Jidoka 自働化 — apoena.dev (https://apoena.dev/pub/3mehipoqdtg2h/jidoka)
- Nous avons tous du Brás en nous — apoena.dev (https://apoena.dev/pub/3mnowdwub6e26/nous-avons-tous-un-bras-en-nous)
- Anarchist calisthenics — apoena.dev (https://apoena.dev/pub/3ml3o2lfd5i2k/anarchist-calisthenics)
- The atrophy of thinking with Large Langage Models — apoena.dev (https://apoena.dev/pub/3mfzenvpu2e2y/the-atrophy-of-thinking)
- Can Buddhist economy help us better grasp Large Language Models? _(and capitalism in general)_ — apoena.dev (https://apoena.dev/pub/3mevg5dhx5i25/can-buddhist-economy-help-better-grasp-llm)
- Success to the Successful — apoena.dev (https://apoena.dev/pub/3mmjy7da4kc2q/success-to-the-successful)
- Seeking the wrong goal — apoena.dev (https://apoena.dev/pub/3mmjxs6egdy2f/seeking-the-wrong-goal)
- Systemic trap - Shifting the burden to the intervenor — apoena.dev (https://apoena.dev/pub/3mmjxgtyhob2c/shifting-the-burden-to-the-intervenor)
- Les cartes CRC pour former — apoena.dev (https://apoena.dev/pub/3mmjfevdc3s2q/les-cartes-crc-pour-former)
- Single Responsability Principe — apoena.dev (https://apoena.dev/pub/3mmjfev4k2425/single-responsability-principle)
- Inspirational microblogs — apoena.dev (https://apoena.dev/pub/3mmjfd5oqqn2c/inspirational-microblogs)
- We need code calisthenics — apoena.dev (https://apoena.dev/pub/3ml3o2n3qa42g/we-need-code-calisthenics)
- Still funny conversation with Claude - Durability before delivery — apoena.dev (https://apoena.dev/pub/3mm27oglx4g2g/still-funny-conversation-with-claude)
- Comment le néolibéralisme accentue les propos ethnoracistes de l'extrême droite — apoena.dev (https://apoena.dev/pub/3ml44oq5gsm2y/neoliberalisme-et-ethnoracisme)
- Faire un bon gemba walk — apoena.dev (https://apoena.dev/pub/3ml44k6zxmz2k/faire-un-bon-gemba)
- Estimating is an endless debate — apoena.dev (https://apoena.dev/pub/3mjkdmpikos2t/estimating-endless-debate)
- 📘 Thinking in systems — apoena.dev (https://apoena.dev/pub/3mh7imf6ztv22/thinking-in-systems)
- A Summary of Systemic Traps — apoena.dev (https://apoena.dev/pub/3mgzazmk6ou2z/a-summary-of-systemic-traps)
- A journey into solving a problem — apoena.dev (https://apoena.dev/pub/3mgljmfjujw22/2026-a-journey-into-solving-a-problem)
- 📘 The field guide of understanding 'human errors' — apoena.dev (https://apoena.dev/pub/3mgliztagw222/the-field-guide-of-understanding-human-errors)
- Make microcommits to do only one thing at a time — apoena.dev (https://apoena.dev/pub/3mgfs47dgkv2l/microcommit)
- Technology with a human face — apoena.dev (https://apoena.dev/pub/3mfyyqntfxu2l/technologie-with-a-human-face)
- Takt time — apoena.dev (https://apoena.dev/pub/3mfvwmqza3c2d/takt-time)
- L'impérialisme ne paye pas ses dettes — apoena.dev (https://apoena.dev/pub/3mfs4zi6xtl2w/l-imperialisme-ne-paye-pas-ses-dettes)
- La méritocratie maintient le système de classe — apoena.dev (https://apoena.dev/pub/3mfqxykwzk32q/la-meritocratie-maintient-le-systeme-de-classe)
- Being a Good Team Leader — apoena.dev (https://apoena.dev/pub/3mfeabimu6x2q/2026-team-leader)
- 🗺️ The power of a map — apoena.dev (https://apoena.dev/pub/3mf2ta4y5wq25/the-power-of-a-map)
- Le capitalisme est l'accomodation de 3 ressources pour servir l'exclusive recherche de profit — apoena.dev (https://apoena.dev/pub/3mez2zqmj3j2i/le-capitalisme-cherche-l-accomodation-pour-le-profit)
- Échelle RWA — apoena.dev (https://apoena.dev/pub/3mevh6k3hqn2o/echelle-rwa)
- Les trois violences — apoena.dev (https://apoena.dev/pub/3mera26wi5l25/les-3-violences)
- Convergent vs divergent problems: solvable questions vs the ones that make us human — apoena.dev (https://apoena.dev/pub/3meqzxe5nbm2t/convergent-vs-divergent-problems)
- Apps killed the links — apoena.dev (https://apoena.dev/pub/3meeya3nm5l2m/apps-killed-the-links)
- Sakura 桜 — apoena.dev (https://apoena.dev/pub/3meejt2aojr25/sakura)
- Le Gini index — apoena.dev (https://apoena.dev/pub/3mef32jsyav2h/gini-index)
- Look how close cash, information and material flows are with each other — apoena.dev (https://apoena.dev/pub/3mjjjuurrkz2t/look-how-close-cash-information-and-material-flows-are-with-each-other)
- Socialized Zettelkasten — apoena.dev (https://apoena.dev/pub/3mfzscgwiz52l/socialized-zettelkasten)
- Quantity (practice) brings quality — apoena.dev (https://apoena.dev/pub/3mfzq2sfntg24/quantity-brings-quality)
- My journey in the AT Proto world — apoena.dev (https://apoena.dev/pub/3mf2lk47ys72a/my-journey-in-the-at-proto-world)
- How Boeing Failed by Competing with the Airbus A320 Neo — apoena.dev (https://apoena.dev/pub/3meze276yib2l/737-vs-a320)
- Takumi 匠 — apoena.dev (https://apoena.dev/pub/3metymnqboj2k/takumi)
- Remanso and the journey of learning and sharing — apoena.offprint.app (https://apoena.offprint.app/a/3mi2dsmzdse23-remanso-and-the-journey-of-learning-and-sharing)
- Poka Yoke — apoena.dev (https://apoena.dev/pub/3mhbkhus3kf2i/poka-yoke)
- Ma 間 — apoena.dev (https://apoena.dev/pub/3mecnvcscfy2i/ma)
- L'ironie est le dérivé de la haine — apoena.dev (https://apoena.dev/pub/3mdtfeiluh72i/l-ironie-est-le-derive-de-la-haine)

## Languages

- Portugais
- Anglais
- Espagnol
- Français (native)

## Other profiles

- tangled: https://tangled.org/did:plc:4m3kouplb7s7xozjd3whinvl
- bsky: https://bsky.app/profile/apoena.dev
- github: https://github.com/jcalixte
- dns: https://apoena.dev
