walidelh22
Full Stack Engineer
Full-stack engineer and founder based in Geneva. I built Sendify, a multi-chain token distribution platform live on 9 blockchains (EVM + Solana), with smart contracts in Solidity, React/TypeScript frontend, Node.js/PostgreSQL backend, and privacy integrations. I also build Python automation tools: Telegram bots, trading agents, and AI pipelines using Claude API and local LLM inference.Looking for frontend, full-stack, or Web3 engineering roles where I can own features end-to-end and work on products that actually matter. Open to onsite Geneva, remote CET, or Web3-native teams globally.
Yearly salary: $110,000
Hourly rate: $50
Nationality: 馃嚝馃嚪 France
Residency: 馃嚚馃嚟 Switzerland
Experience
Founder & Full Stack Developer
Sendify 2023 - 2026
Designed and built a production SaaS web app end-to-end: frontend in React 18 路 TypeScript 路 Vite, backend Node.js 路 Express 路 Prisma 路 PostgreSQL, deployed on Vercel + Railway. Complex product-oriented UI: advanced state management, analytics dashboards (Metabase), CSV import, history, multi-account support, optimised user flows, focus on performance and UX. Blockchain layer (technical differentiator): Solidity smart contracts across 9 chains, cross-chain integrations (wagmi/viem, EIP-5792).
Founder & Lead Tech
Reverse Agency 2023 - 2026
Multi-page marketing site in Next.js 14 (App Router) + TypeScript + Tailwind: SEO-optimised SSR/SSG rendering, semantic HTML, meta/OpenGraph, Core Web Vitals performance. Feature-based architecture, custom React hooks (magnetic, parallax), Framer Motion + Swiper animations, Zustand state, lead-capture pipeline (API Routes + Nodemailer/SMTP). Content Studio, in-house editorial automation tool (Python, Claude API, Typefully) for client content production; prospecting tooling. Clients: Polytrade, dYdX, Plume, Rhino.fi.
Full Stack Web Developer
Alpinstore 2022 - 2024
Alpinstore PIM (100,000+ product references) in React, PHP/Symfony and MongoDB. Full User module: CRUD, granular roles/permissions, bcrypt, CSRF, UML modelling. MongoDB aggregation (filtering, sorting, pagination over a large dataset) for stable performance. Active security watch (CVEs, web exploits). Automated PHP scrapers importing products from partner B2B sites. GitLab CI/CD workflow, Docker, Git branches, pull requests, code reviews.
Skills
api
docker
git
hardhat
mongo
nextjs
node
nosql
openzeppelin
postgres
python
react
solana
solidity
sql
tailwind
typescript
front-end
english
french