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Portrait of Guillaume Gustin

Guillaume Gustin

Functional Analyst & Software Engineer

Brussels, BE · FR native · EN C1 · NL A2+

Functional Analysis & Software Engineering — for Sustainable IT.

Biomedical engineer by training (UCLouvain). Ten years of experience building software solutions for the health, non-profit, and public sectors.

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Guillaume Gustin

Guillaume Gustin — CV

Functional Analyst & Software Engineer · Sustainable IT
Brussels, BE FR native · EN C1 · NL A2+
guillaume@pwablo.be
+32 494 87 89 36
pwablo.be — founder

Functional Analysis & Software Engineering — for Sustainable IT.

Biomedical engineer by training (UCLouvain). Ten years of experience building software solutions for the health, non-profit, and public sectors.

01 Areas of Expertise

Functional Analysis

  • Business ↔ dev bridge — requirements, specs (BPMN), backlog
  • SQL extracts & BI reporting
  • Digital maturity audits & roadmaps (TPE/PME, NPO)

Software Engineering

  • Web: React · Vue · Astro · PWA
  • Backend & DevOps: FastAPI · Supabase/Postgres · Docker, GitLab CI/CD
  • GIS (Leaflet, GeoServer WFS) · AI RAG engineering (Pydantic AI, pgvector)

Eco-design & Performance

  • Hands-on workshops & awareness training (Fresque du Numérique…)
  • Eco-design of web & mobile services (GR491)
  • Performance & SEO audits — Lighthouse, Ecoindex, WebsiteCarbon

02 Career Timeline

2017 — 19
Software Engineer
& Research
@ UCLouvain
2019 — 21
Co-founder
& Software Engineer
@ MedC2 → Comunicare
2021 ›
Founder
& Consultant
@ Pwablo
2022 — 24
Functional Analyst
& Digital Advisor
@ BRUXEO
2025
Software Engineer
& Research
@ VUB · Ghostly+
2025 ›
Functional Analyst
& Software Engineer
@ Gate-16 · Bxl-Mobilité

03 Key Consulting Engagements

Gate-16Bruxelles Mobilité
Oct 2025 — now · full-time

Functional Analyst & Software Engineer — Gate-16 × Bruxelles-Mobilité

OSIRIS Competence Center (CdCO) — regional platform for road-occupation & mobility coordination in Brussels
  • Functional analysis on OSIRIS — requirements gathering, functional & technical specs, SQL extracts, BI reporting, developer liaison and ongoing maintenance across scoping, testing and deployment.
  • Developed OsiView [poster] — a modern internal interface layer on top of OSIRIS (Vue · Leaflet · GeoServer WFS). Modules: CCC sessions (dual-screen for the Commission de Coordination des Chantiers), worksite lookup, tablet field control (GPS), spatial conflict analysis. Maintained my.osiris.brussels — citizen-facing React portal.
  • R & D — AI integration in GIS and mobility applications; pursuing the IBM RAG & Agentic AI professional certificate.
Stack Vue 3LeafletGeoServer WFSOracle SQLSupabaseDockerAzure
BRUXEO
2022 — 2024

Functional Analyst & Digital Advisor — BRUXEO

Confederation of Brussels social-profit employers (healthcare, social action, education, culture…)
  • Designed and ran DigiBrux — a responsible-digitalisation service for Brussels non-profits: digital maturity audits (15+ organisations), thematic working groups & workshops (50+ organisations), collective CRM pathway and technical assistance.
  • Participated in the launch of Décarbonaction — an environmental support service helping non-profits with their sustainability transition (mobility, energy, waste, digital) (2024).
Scope Digital maturity auditsCRMOpen-source toolingWorkshop designStakeholder management
pwablo
2022 — now · complementary

Founder & Consultant — Pwablo

Digital studio for positive impact · INR signatory (Charte Numérique Responsable) · pwablo.be
  • Support mission-driven orgs (Out of the Books, Climate Voices, BeEducation…) with eco-designed web engineering, workflow automations and responsible-digitalisation advisory — 2% revenue to Team for the Planet.
  • Speaker/trainer on AI & sustainability — authored the open « Charte IA Responsable pour ASBL » Read (CC BY 4.0, Jan 2026); co-led a session with Be Education & Les Jeunes Entreprises ASBL.
Focus Sustainable WebWorkshopsResponsible AIOpen-source toolingAstro
Guillaume Gustin · CV · April 2026
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04 Prior Experience

VUB
2025 — 2026

Software Engineer & Research — Ghostly+

Vrije Universiteit Brussel · rehabilitation platform prepared for clinical trials
  • Lead dev on the clinical-trial dashboard: patient data management, EMG signal processing from C3D motion-capture files, visualisation of therapeutic progress.
  • End-to-end delivery: architecture, DB, containerisation, production deployment; liaison with rehab therapists & the Ghostly mobile team.
Stack FastAPIReact/TSSupabaseDocker
Comunicare
2019 — 2021

Co-founder & Software Engineer — MedC2 · Comunicare

Medtech startup · acquired by Comunicare in 2021
  • Designed and built an ePRO platform for the ImmunoSABR EU clinical trial and a patient-centred Decision Aid for cancer treatment.
  • COVID pivot to MyPatientCheck (patient triage tool); co-authored the DRAGON EU grant — €860k secured for the company within a European consortium.
Stack AngularIonicGCP / FirebaseNode.jsPWA
UCLouvain
2017 — 2019

Software Engineer & Research — UCLouvain

ICTEAM — UCLouvain · eHealth · Cliniques Saint-Luc · FEDER-funded
  • Contributed to developing a pilot Diabetes remote monitoring & management system (mHealth) — poster @ Euromedlab, talk @ SIPAIM, industrial partner Menarini.
  • Teaching assistant for Informatique 1 (Python / OOP) and Medical Imaging (Matlab).
Stack MEANAngularIonicMongoDBFitbit / Menarini APIs
Sopra Banking Software
2016

Junior IT Consultant — Sopra Banking Software

R&D - Maintenance - Sopra Banking Platform (COBOL / Java) ·

05 Education

Master in Biomedical Engineering — Bioinformatics
UCLouvain · 2014—2016 · Cum Laude
Thesis: « Diabetes management through AI & gamification — blood-glucose prediction models and mHealth design » — NARX predictive model (Matlab) + self-management app concept. Supervisor: Pr. Benoît Macq. DIAL

06 Certifications & Learning

IBM RAG & Agentic AI professional certificate
in progress
Ecological & transition workshops (participant) — Fresque du Numérique · Atelier 2 Tonnes · Mobilité · Biodiversité · Alimentation · Nouveaux Récits · Notre Tour (Musch)
2022—25
Certificat Numérique Responsable — INR
2024
MIT Global Startup Labs — 6-week program · MIT
2018
University Certificate — Innovation & Transmedia · UCLouvain & UMons (15 ECTS)
2017—18

07 Languages

Français · nativeEnglish · C1Nederlands · A2/B1

08 Publication

« Empowerment of diabetic patients through mHealth technologies and education: Development of a pilot self-management application » Scholar
G. Gustin, B. Macq, D. Gruson, S. Kieffer — SPIE / SIPAIM · 2017

09 Off the clock

Mountain trekkingImprov theatreMarathon training 2026Open-source
Guillaume Gustin · pwablo.be
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