Hi, I'm Guillaume
Software Engineer
About Me
Passionate about technology and innovation
Software engineer
With several years of experience in software development and a sharp eye for identifying business opportunities, I've successfully launched multiple SaaS products. I specialize in full stack web development, cloud automation, and leveraging web scraping and AI for data collection and aggregation. Passionate about innovation, I'm always excited to tackle new challenges in the ever-evolving tech landscape.
Resume
Skills
Languages & Frameworks
JavaScript
TypeScript
Next.js
Node.js
Python
TailwindCSS
Zustand
Chakra UI
Shadcn UI
Radix UI
Infrastructure
AWS
Docker
Turborepo
Cloudflare
Vercel
Railway
Data & APIs
GraphQL
SQL
Zod
PostgreSQL
Neon
Supabase
Prisma
Meilisearch
PostGIS
Pinecone
pgvector
Automation & AI
Puppeteer
Playwright
Openai
Claude Code
Cursor
Open Code
OpenRouter
ScrapingBee
Bright Data
LangChain
Product
Product Management
UX/UI Design
Stripe
Polar.sh
Clerk
PostHog
Google Stitch
Semrush
Ahrefs
Experience
Founder
Almazlabs
Early 2024
- Self-directed retraining as a software engineer.
- Explored product ideas around data, automation, and SaaS.
- Chose to build a product in the hiring and recruitment industry.
Mid 2024 – Mid 2025
- Built Softwarehiring.com, a niche vertical hiring platform for American companies willing to hire EU-based software engineers.
- Pivoted to a narrower product scope to match available resources.
Mid 2025 – Mid 2026
- Launched builderbrew.com, a job aggregator for the US market.
- Narrowed the niche further, pivoting toward a media-oriented product beyond hiring alone.
- Evaluated side ideas as they emerged and prioritized the most promising ones to build.
Outcomes:
- Succeed in retraining as a software engineer.
- Built a small, focused set of side projects, including lecarburant.fr.
- Launched builderbrew.com, a niche job aggregator and media about Series A/B/C startups in the US.
Co-Investor
Hospitality / Real Estate
- Explored a co-investment ($500k–$1M) with a partner for a small hotel, B&B, or farm in Portugal, Montenegro, and Poland.
- Searched land plots across local markets, handled paperwork for local regulations, contacted real estate agents and local officials.
- Explored monetization options including homemade products, hospitality, and outdoor activities.
Outcome:
- Did not proceed with investment due to high local regulation.
Co-Founder
Grabbit
- Built an MVP of an online shopping app with React Native, integrating the Unit.co virtual cards SDK.
Community Manager & Investor
Cryptocurrency
- Left banking at the beginning of the 2021 bull run, anticipating a sharp rise in crypto valuations and stronger opportunities in niche DeFi and token markets.
- Focused on market-neutral strategies and mispriced tokenomics in early-stage projects.
Lendflare — Community Manager
- Community manager for Lendflare, a DeFi lending protocol for Curve/Convex tokens.
- Wrote documentation and conducted smart contract reviews.
Kaspa (KAS) — Early Community Member & Investor
- Early community member and investor in Kaspa (KAS), a fair-launch proof-of-work coin on a high-performance blockchain with innovative blockDAG architecture.
Outcomes:
- 25x net total realized return without insider information or reserved token allocation.
Credit Analyst
Société Générale CIB, Warsaw, Poland
- Analysis of clients' financial situations and assessment of credit requests.
- Provided recommendations tied to analysis and assessment of credit risk.
- Second rotation of the graduate program.
Data Analyst / Internal Auditor
Société Générale CIB, Hamburg, Germany
- Internal audit of retail, corporate and investment banking activities in DACH and the Netherlands.
- Data analysis for regulatory matters (EU, German and French banking regulation).
- Self-training in corporate finance, banking regulation, financial products, and data analysis.
- First rotation of the graduate program.
Software Engineering Intern
French Ministry of Defense, Paris, France
- Research intern on a cybersecurity/telecommunication project; tools: HTML, CSS, Python, YAML, Docker, Kafka, RabbitMQ, Git.
Solutions Architect Intern
SNEF Connect, Lyon, France
- Analyzed client requirements and drafted responses to RFPs.
- Sized technical solutions in industrial environments.
Data Science Intern
Mines-Telecom Institute, Paris, France
- Implemented statistical techniques to optimize real estate prices.
Education
Master's Degree
National Institute of Telecommunications (Telecom SudParis), France
- Major in applied mathematics and statistics; coursework included stochastic finance, machine learning, and signal processing.
- Master's exchange at the Technical University of Munich, Germany (Apr 2018 – Sep 2018).
- Introduction to Russian language and culture at Moscow State University, Russia (Feb 2019 – Mar 2019).
Advanced Preparatory Course for French Graduate Schools
Lyon, France
Personal projects
Libor Finance
August 2022Fork of Compound Finance — DeFi lending for cryptocurrencies on Fantom Blockchain.
Get in Touch
Contact Me
Connect with me on LinkedIn or GitHub to start a conversation.