Wladimir Blaise
Blockchain & Software Engineer
Salaire / Taux journalier
Paris, France
Mobilité : Montpellier, Perpignan
Freelance, ouvert au CDI
Peut venir sur site
Expertises
À propos
Introduction
What I work with: • Solidity, EVM, OpenZeppelin, smart-contract security, gas optimisation, ERC-20 / ERC-721 • Testing: Hardhat 3, Foundry (forge-std), fuzzing, invariant campaigns, cheatcodes, attack scripts, CI • Front and tooling: TypeScript, Node.js, viem, wagmi, ethers.js, Reown (WalletConnect), React / Next.js, Git • AI: multi-agent and multi-model orchestration, AI-assisted security review, RAG, function calling, OpenAI API • Also: Ruby on Rails, Python, SQL, Scrum
Expérience de travail
Wladimir BlaiseFreelance
sept. 2013 - Présent
13 ans 2 mois
Paris, France
Blockchain and Software Developer
mars 2026 - Présent
8 mois
Paris, France
Blockchain and software developer, building and shipping smart-contract projects end to end, from product design to implementation and front-end • Merion: an oracle-free StableSwap DEX for wrapped Bitcoin, including yield-bearing LBTC. It runs reserve bands and a directional surcharge on a constant-product core, plus an am-AMM auction (Bunni v2 lineage) for the right to set and collect swap fees over an epoch. Security: share-inflation guard, internal accounting, nonReentrant, checks-effects-interactions, overflow guards, pull payments, targeted pause. Tested with Foundry (fuzzing, invariants) and viem, with CI on GitHub Actions. First version deployed to Base Sepolia, built solo. • the-voting-dapp: an ownerless EIP-1167 clone factory for voting contracts. Atomic clone and initialize, closed front-running window, front-end anti-phishing guard. Animated React and Next.js front-end that visualises live vote activity from on-chain events. Deployed to Sepolia, built solo. • Conversights and InsightsBot: an AI dashboard and an AI chatbot for YouTube user-feedback analysis, with RAG and function calling. Built as lead developer in a team of 4. Stack: Ruby on Rails, PostgreSQL, OpenAI API.
Private math and physics tutor
sept. 2013 - Présent
13 ans 2 mois
Paris, France
Same analytical approach I bring to code and protocol design: breaking down complex, abstract problems into clear, simple steps. Tutoring struggling high school students, fully remote since 2022 • Broke down math/physics concepts into simple, step-by-step explanations tailored to individual learning styles • Helped ~20 students raise grades by at least 3 points through patient, empathetic approach • Adapted teaching methods to diverse needs, boosting student motivation and consistently satisfying parents
Florist
Agapanthe
sept. 2022 - juil. 2026
3 ans 11 mois
Perpignan, France
Same end-to-end ownership I bring to shipping a product: client brief, design, sourcing, delivery, under deadline. Renowned Perpignan boutique florist • Deliver premium personalized service to clients, with 4.9/5 average ratings • Craft fresh and fast floral arrangements from a client brief and a defined budget • Develop creative solutions and self-teach expertise in 50+ plant varieties to enhance customer advice • Design daily merchandising and seasonal window display in a prime tourist location
Nursery worker
JAVOY PLANTES PEPINIERES
juin 2021 - mars 2022
10 mois
Orléans, France
Leader in climbing plants, France's top clematis producer • Maintained quality in daily care of 400+ plant varieties despite harsh outdoor conditions • Prepared and organized daily customer orders following strict company procedures and standards
Florist
Maison Beaufrere
sept. 2019 - oct. 2020
1 an 2 mois
Paris, France
Prestigious MOF florist, Saint-Germain-des-Prés • Crafted high-end custom bouquets daily under tight deadlines, delivering premium service • Self-taught over 50 rare/exotic plant varieties to provide informed advice and enhance customer experience
Recruitment assistant
IFCV - Formations en Alternance
févr. 2019 - août 2019
7 mois
92300 Levallois-Perret, France
Apprenticeship-focused training institute • Managed student database in CRM, maintaining accurate records for hundreds of candidates • Guided students via phone/email to match profiles with suitable apprenticeship programs • Took initiative to build an Excel dashboard summarizing company social media performance with intuitive visualizations • Hosted weekly admission test sessions: welcomed student groups, delivered oral presentations on the school, and supervised exams
Executive assistant
MAISON DE LA SPIRULINE
janv. 2018 - oct. 2018
10 mois
Paris, France
Spirulina e-commerce specialist • Conducted in-depth analysis of e-commerce challenges and delivered strategic recommendations, resulting in +20% monthly online sales growth • Independently reorganized administrative documents and implemented efficient new filing processes • Fully re-wrote all Prestashop website texts to improve clarity, SEO, and user engagement • Quickly mastered company history and operations to support its digital adaptation
Formation
Alyra, l'école blockchain & IA
RS 6515 Développer une application décentralisée avec les technologies blockchain, Blockchain/Smart contracts development
2026 - 2026
6 mois
• Solidity & smart-contract development • Automated testing, Hardhat3, Foundry, CI/CD • Smart-contract security • Full-stack dApps with Typescript, React, viem/wagmi • DeFi & NFTs Final certification, Downtown BTC: a StableSwap DEX for wrapped Bitcoin with an oracle-free on-chain auction that returns arbitrage to liquidity providers. Built as sole smart-contract developer, deployed to a testnet, defended in an oral soutenance.
Le Wagon
Full-Stack AI & Software Development Bootcamp (RNCP level 6, Bachelor), AI & Software Development
2025 - 2026
7 mois
• AI integration: OpenAI API, retrieval-augmented generation (RAG) • Full-stack web development: Ruby on Rails, PostgreSQL • Front-end: JavaScript, HTML, CSS • Software engineering: Git, testing, deployment • Agile teamwork and product thinking Final project: Conversights, an AI consumer-insights platform that turns YouTube comments into dashboard SaaS for product teams (themes, pain points and sentiment). Built and shipped as lead developer in a team of 4.
CFA Rivesaltes
Brevet professionnel (BP), Floristry
2022 - 2024
2 ans 2 mois
Advanced vocational diploma - Practiced modern floral techniques, gained skills in shop management and event organization
École Nationale des Fleuristes
CAP - Floristry, Floristry
2019 - 2020
1 an 2 mois
Entry-level vocational diploma - Trained in rapid, customer-centered creations, aesthetic precision, and shop operations
Mines Paris - PSL
Engineering Cycle, Engineering Sciences
2013 - 2014
1 an 2 mois
Top-tier generalist engineering program - Strengthened rigorous applied mathematics, physics, and multidisciplinary engineering foundations - Developed structured problem-solving through integrated project-based learning
Lycée Louis-le-Grand
Classes préparatoires aux grandes écoles (CPGE), Mathematics and physics
2011 - 2013
2 ans 2 mois
Intensive preparation for top engineering schools with advanced mathematics and physics - Honed abstract reasoning, fast learning, and complex problem-solving skills
Licences et certifications
RS6515 - Développer une application décentralisée avec les technologies blockchain
Délivré le : sept. 2026
Portfolio
polymarket-book-mcp
Merion
