Personal Information

• Sébastien Denooz
• Nationality: Belgian
• Date of birth: 17/09/1982
• Based in Tournai, Belgium
• Email: sebastien.denooz@gmail.com
• Website: https://sebastien.denooz.me
• Phone: +32 499 24 94 61
• Driving licence: B
• Languages:
  • French (native)
  • English (C1/C2)
  • Dutch (A1/B1)

Technical Skills

• Senior back-end engineer in PHP and Python with deep expertise in Laravel, Django/DRF, FastAPI and Flask.
• Senior front-end engineer in TypeScript with strong command of Vue.js, React and Angular.
• Recent hands-on experience with Flutter for cross-platform mobile apps.
• End-to-end API engineering (REST/GraphQL) and seamless integration of third-party services.
• Design and automation of unit, functional and end-to-end tests with Pest, Pytest and Cypress; builds consistent synthetic datasets.
• Daily practice of TDD and BDD workflows.
• Advanced large language model integration: RAG, Tree of Thoughts, MCP, prompt optimisation, specialised agents, fine-tuning dataset.
• Git expert designing collaborative workflows and peer-review practices.
• Mastery of Docker and senior-level Kubernetes cluster administration.
• In-depth knowledge of the S3 protocol, AWS S3 and object storage platforms.
• Advanced GNU/Linux system administration.
• Senior DevOps engineer: GitLab CI/CD, GitHub Actions, observability, monitoring and security by design.
• Development environment and processes fully aligned with GDPR requirements.

Interpersonal Skills

• Clear communicator with proven teaching abilities.
• Deep knowledge of Agile frameworks (Kanban, Scrum, etc.) and supporting tooling.
• Advanced project leadership: technical lead, effort estimation, work breakdown, mentoring.
• Management of distributed and international teams.
• Strong customer focus and active listening.
• High adaptability across industries and technologies.
• Continuous technology watch (AI, blockchain, cloud-native ecosystem).

Tools & Frameworks

Git, GitHub, GitLab, GitLab CI/CD, GitHub Actions, Jira, JetBrains suite (IntelliJ IDEA, PhpStorm, PyCharm), VS Code, Junie, Claude Code, Gemini, Codex, ChatGPT, LeChat, Magistral, Node.js, Vue.js, React, Angular, Nuxt/Next, Vuetify, Pinia, Redux Toolkit, Flutter, Ionic, HTML/Pug, TypeScript/JavaScript, PHP, Python, CSS, Laravel, Django & Django REST Framework, FastAPI, Flask, Odoo, Progressive Web Apps, REST & GraphQL APIs, Docker, Kubernetes, Scaleway, Fireblocks, AWS S3, IBM AS/400, IBM DB2, Pest, Pytest, Cypress, GNU/Linux administration, CI/CD pipelines.

Professional Experience

Founder – Alchemic.studio SRL

• April 2021 – Present
• Clients: Partena, Nubeo, Wexit, Experts&Co, Proprietary Software, in-house SaaS products

Key projects

GaltonX – Technical Chief Officer

• Built an innovative on-chain marketplace.
• Delivered a PWA proof of concept ready for production.
• Designed smart contracts in partnership with Fireblocks.
• Managed a project budget exceeding €2M.

Multi-tenant Kubernetes cluster for Odoo

• Engineered a resilient, multi-zone cluster on Scaleway.
• Automated deployment of client Odoo instances on the platform.
• Rolled out dedicated testing and DevOps clusters for CI/CD on in-house Odoo modules.

Clic4Kids application (https://c4k.be)

• Developed the backend with Django and Django REST Framework.
• Built the Ionic mobile application.
• Configured store listings, build pipelines and publication.
• Coached engineering teams on the tech stack.

Brainstorm Processor

• Internal platform generating full applications from brainstorming sessions.
• Laravel backend and Nuxt + Vuetify frontend orchestrated through job queues.
• Designed AI agents for each stage of the generation pipeline.

Additional responsibilities

• Delivered multiple SaaS products: APIs with Laravel, Django, FastAPI.
• Built PWA front-ends and store-ready mobile apps.
• Structured and led project teams.
• Trained and mentored developers.

Fullstack Developer – HighCo Data (Asse, Belgium)

• January 2016 – September 2021

Highlights

• Acted as technical lead and coordinated delivery.
• Deployed a DevOps culture: GitLab, CI/CD pipelines, Docker.
• Git champion and internal trainer.
• Conducted Laravel and Vue.js training for engineering teams.
• Created a bridge server to interface core applications with AS/400 and DB2 via REST services.
• Built a web platform for dynamic voucher/coupon form generation.
• Delivered back-end features in Laravel and internal tooling.
• Produced custom front-end implementations with Vue.js and JavaScript/HTML/CSS.

Full Stack Developer – Clicandwalk (Roubaix, France)

• November 2013 – December 2015

Highlights

• Developed a mobile application based on Laravel and Ionic.
• Led technical direction and Agile ceremonies.
• Served as Git point of contact and trainer.

Python Analyst Developer – Vox Teneo (Brussels, Belgium)

• April 2012 – September 2013

Highlights

• Built customised Odoo modules.
• Delivered a browser-based JavaScript game.

Web Analyst & Developer – Systems Administrator – Media Animation ABL (Woluwe-Saint-Lambert, Belgium)

• January 2005 – March 2012

Highlights

• Crafted bespoke PHP applications.
• Developed CMS modules.
• Delivered HTML/CSS integration work.
• Rolled out digital projects for Médecins du Monde, the European Commission, local medical associations, etc.

Education

TECHNICAL QUALIFICATION IN I.C.T. – Don Bosco Institute, Tournai

• 31/08/2000 – 29/06/2002 Tournai, Belgium
• Thesis: Implementation of a multi-OS Linux-Windows network

Personal Achievements

• Creator of the festival http://laforgefestival.be, welcoming nearly 1200 visitors every year.
• 20 years in youth movements including 6 years as a youth leader and 4 years as president.
• Holiday Center Leader Certificate (BACV) through F.N.P. training programs.