About Me

Computer scientist — MSc from UMons — building Acteble.

Working at the crossroads of AI-era software engineering — Claude Code workflows, autonomous agents, RAG pipelines, mobile development — anchored by Software Craftsmanship: clean code, clean architecture, hexagonal architecture, DDD, TDD.

Timeline

Work Experience

Founder | Acteble

–

Brussels, Belgium

Sole founder, architect and developer. Rust backend + Flutter mobile. The R&D layer also served as the dissertation for my MSc in Computer Science at UMons.

Projects:

  • Acteble — Development of a mobile application that connects travelers during their journeys. Working with Flutter for the mobile app and Rust for the backend. Flutter Rust Mobile Travel Tokio PostgreSQL Docker Dart DDD CleanArchitecture MiniZinc ConstraintProgramming CombinatorialOptimization Pareto

AI Research Scientist | Belgian Senate

–

Brussels, Belgium

AI research and engineering for the Belgian Federal Parliament. Designed an internal platform that lets staff search, explore and converse with the parliamentary archives. Authored an open evaluation protocol that compares retrieval strategies on the Senate corpus, with a focus on bilingual FR/NL robustness.

Projects:

  • Synergy — Internal platform that lets parliamentary staff search, explore and converse with the archives of the Belgian Federal Parliament, powered by a retrieval-augmented pipeline with bilingual FR/NL support. Python Java .NET RAG AI
  • fedrag-be — Open, reproducible protocol that benchmarks retrieval strategies on the bilingual Senate corpus, measuring FR/NL robustness across the retrieval pipeline. RAG Python Evaluation Benchmark OCR SentenceTransformers Pandas

AI Software Crafter Lead | Emvi.ai

–

Brugge, Belgium

Led the crafting from technical design through delivery: OCR pipeline, code scanning, and a Valhalla routing system adapted for the visually impaired.

• Dart / Flutter / Firebase / Firestore / OpenAI / Valhalla

Projects:

  • Emvi App — AI powered visual assistant for visually impaired people providing them with a description of their environment, OCR, code scans (QR codes & barcodes), and an adapted Valhalla routing system for the visually impaired. Flutter Firebase OpenAI Valhalla AI Dart

AI Software Crafter | Emvi.ai

–

Brugge, Belgium

Built the facial recognition pipeline (DeepFace / Serengil — detection + recognition) and the sentiment-analysis stack for the LLM-generated photo descriptions.

• Python / FastAPI / OpenAI / Whisper / DeepFace by Serengil

Projects:

  • Remi — Reminiscence application allowing people with cognitive issues to recover their memories through descriptions of their photos powered by facial recognition and LLMs. DeepFace by Serengil was used for the facial recognition pipeline. Python FastAPI OpenAI Whisper DeepFace PostgreSQL SQLAlchemy

Data Scientist | Xtrada

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Antwerp, Flanders, Belgium

Used Python libraries (SpaCy, ...) to extract named entities from text via NER model training and implementation in .NET. Model recall score: 87%.

Projects:

  • VhAuctions NER Inventory Model — Named Entity Recognition machine learning model to extract inventory items from an audio transcription. Python SpaCy Pandas NumPy .NET NER

Software Crafter | Xtrada

–

Antwerp, Flanders, Belgium

Software modernization within the .NET stack following domain-driven design and clean code principles. Implementation of Azure AI services in a .NET solution.

.NET DDD CleanCode CleanArchitecture

.NET/Blazor Software Crafter · aXinco | Xtrada

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Anvers, Région flamande, Belgique

Crafted the webapp in .NET / Blazor following DDD and clean code principles.

Projects:

  • Kwalitijd — Survey manager for sports clubs and federations. .NET C# Blazor EntityFramework xUnit SQL Server DDD

Education

Master of Science - MS in Computer Science (work-study program) — specialised professional focus (120 ECTS)

UMons

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13.04/20 — obtained with satisfaction

MSc dissertation: « Un cadre computationnel multicritère pour l'exploration de projections spatio-temporelles dans des systèmes sociaux complexes » — carried out at the UMONS Service d'Algorithmique. Student representative & buddy TandeMons. Core coursework: software engineering & project management, artificial intelligence, databases, data structures, operational research, cryptography & IT security, and ethics & computer law, with two paid company internships.

Python LaTeX DDD CleanArchitecture

Projects:

  • Acteble — Development of a mobile application that connects travelers during their journeys. Working with Flutter for the mobile app and Rust for the backend. Flutter Rust Mobile Travel Tokio PostgreSQL Docker Dart DDD CleanArchitecture MiniZinc ConstraintProgramming CombinatorialOptimization Pareto
  • Synergy — Internal platform that lets parliamentary staff search, explore and converse with the archives of the Belgian Federal Parliament, powered by a retrieval-augmented pipeline with bilingual FR/NL support. Python Java .NET RAG AI
  • fedrag-be — Open, reproducible protocol that benchmarks retrieval strategies on the bilingual Senate corpus, measuring FR/NL robustness across the retrieval pipeline. RAG Python Evaluation Benchmark OCR SentenceTransformers Pandas
  • Emvi App — AI powered visual assistant for visually impaired people providing them with a description of their environment, OCR, code scans (QR codes & barcodes), and an adapted Valhalla routing system for the visually impaired. Flutter Firebase OpenAI Valhalla AI Dart
  • Remi — Reminiscence application allowing people with cognitive issues to recover their memories through descriptions of their photos powered by facial recognition and LLMs. DeepFace by Serengil was used for the facial recognition pipeline. Python FastAPI OpenAI Whisper DeepFace PostgreSQL SQLAlchemy

Course units:

2022-2023 · Bridging block

  • Algorithmique — Algorithmics Algorithms DataStructures Complexity Trees
  • Bases de données I — Databases I SQL RelationalAlgebra Normalization Indexing NoSQL BigData
  • Mathématique — Mathematics GraphTheory Combinatorics Complexity PropositionalLogic PredicateLogic
  • Modélisation logicielle — Software modelling Java UML DesignPatterns UnitTesting MockTesting BDD

2023-2024 · Bridging block

2024-2025 · Master 1

2025-2026 · Master 2

Volunteer:

  • Student Representative — UMons, –
  • Buddy TandeMons — UMons, –

Professional Bachelor's degree in Information Systems Management

Ecole Pratique Hautes Etudes Commerciales (EPHEC-EPS)

–

62.8%, Satis Bene

Student representative and tutor.

TFE: WebMenu 2.0

Programme: analysis & design, programming in .NET, Java and web, relational databases, e-business and integrated management software (ERP), networking and IT project management.

SQL C# .NET Java Python JS HTML CSS

Projects:

  • WebMenu — QR code based cash register for HoReCa establishments. .NET Flutter SQL Server QRCode

Course units:

2018-2019

2019-2020

2020-2021

2021-2022

Volunteer:

  • Student Representative — EPHEC École Supérieure de Promotion Sociale, –
  • Tutor — EPHEC École Supérieure de Promotion Sociale, –

Attestation in 7e Spéciale Mathématiques

Institut Saint-Louis Bruxelles

–

Attestation

Bachelor in Political Sciences in General orientation

Université Saint-Louis - Bruxelles

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29 credits earned in 2016-2017, contact me for more information.

Course units:

2016-2017

  • Économie I — Economics I Microeconomics CompetitiveMarkets FirmBehaviour MarketFailure
  • Économie II — Economics II ImperfectCompetition Macroeconomics NationalIncome MonetaryMarket
  • Science politique — Political science PoliticalScience Power State Democracy
  • Séminaire : penser le social — Seminar: thinking the social Epistemology Durkheim Weber Marx
  • Séminaire : principes et méthodes en sciences sociales — Seminar: principles and methods in the social sciences AcademicWriting Citation Epistemology
  • Socio-économie des médias — Socio-economics of the media MediaEconomics Advertising MediaRegulation WebEconomy
  • Anglais I (Saint-Louis) — English I English
  • Néerlandais I — Dutch I Dutch

Cours préparatoires in Médecine et dentisterie

UCLouvain - Université catholique de Louvain

–

Attestation

C.E.S.S. in General Studies Maths & Modern languages

Centre Scolaire Saint-Adrien - Val Duchesse

–

Satis bene

in General studies Latin & Greek

Lycée Mater Dei

–

References

Waseem Virk, Flutter Dev Emvi.ai

Working alongside Baptiste Grosjean on the EMVI project has been an incredibly rewarding experience—both professionally and personally. Not only is Baptiste a highly skilled developer with a sharp eye for design and functionality, but he’s also been a mentor and an inspiration throughout our collaboration.

I’ve learned so much from him—from best practices in Flutter development to the importance of thoughtful UI/UX and clean architecture. He’s always willing to share his knowledge, explain complex ideas with clarity, and support the team in any way he can.

What stands out the most is Baptiste’s ability to turn challenges into opportunities. His calm, focused approach and problem-solving mindset helped us overcome technical hurdles and build features that truly improve user experience. On top of that, his collaborative nature made working as a team feel seamless and motivating.

If you're looking for someone who not only delivers exceptional results but also uplifts everyone around him, I can't recommend Baptiste enough. He’s a fantastic developer, a great teammate, and someone I’ve been lucky to learn from.

Tino Schuerewegen, Software developer at Xtrada

I had the pleasure of working with Baptiste for a year, with the added joy of mentoring him on a project for three months. If there's one thing that stands out about Baptiste, it's his boundless energy. Whether it's 9 AM or 9 PM, he's always the most enthusiastic person in the room—sometimes even more enthusiastic than the coffee machine.

Baptiste brings a contagious energy to any project he's part of. He’s outgoing, smart, and has an eagerness to learn that is truly admirable. Whether he's diving into a complex task or asking insightful questions, he's always in search of knowledge. His enthusiasm for learning, especially when it comes to leveraging tools like ChatGPT, is both impressive and a little intimidating. Seriously, if ChatGPT had a best friend, it would be Baptiste!

He’s also incredibly hands-on, never shying away from rolling up his sleeves and getting deep into the work. His approach isn't just theoretical; he's all about practical, tangible results.

In summary, if you're looking for someone who brings enthusiasm, intelligence, and a touch of humor to every task, Baptiste is your person. Working with him was not just productive, but genuinely enjoyable.

Emiel Van Gysegem, Marketing and operations at Xtra Groep

Hoewel we niet direct samenwerkten, had ik altijd een heel fijne connectie met Baptiste. In een mengelmoes van Engels, Nederlands en Frans deelden we vaak leuke gesprekken. Zijn enthousiasme en energie zijn echt aanstekelijk, en hij weet een prettige, informele sfeer te creëren in elke interactie. Baptiste is iemand die een positieve dynamiek met zich meebrengt.

Steven Claus, CFO at Xtra Groep

Baptiste is a full-stack software developer and is driven by an unwavering determination. This mindset permeates every aspect of his career. He has worked in various fields, allowing him to quickly adapt to any situation. These roles have honed both his technical and interpersonal skills, making him a versatile collaborator who significantly impacts every project he joins. Fueled by a constant desire to learn, he continually updates his knowledge through a master’s degree in computer science. This ongoing learning journey makes him a well-rounded IT professional in the field of computer science.

Tjörven Janssens, software developer at Xtrada

Baptiste is naast een software ontwikkelaar, graag bezig met data-analyse en is een expert in het gebruik van ChatGPT. Hij leert graag nieuwe dingen en doet dit ook snel. Hij is erg enthousiast in omgang en staat steeds klaar voor een vriendelijk woord of wat advies.

Michael Culot, Sales manager at Xtrada

Baptiste is a great and devoted developer who’s eager to keep learning new technologies and elevate his skill set. You would be amazed about not only his knowledge but also his warm open enthusiasm. Baptiste, you’re going to be doing great things in your life, just keep your vibrant spirit ✊