Léonard Michiels
Léonard Michiels

Technical Lead & Senior Full-Stack Developer

Open to offers · Member since 26 Aug 2026
Message
Location
Vaud, Switzerland
Desired salary
from 120k USD/yearly
Work preference
Hybrid / Full Time
Experience level
Lead

About

Professional summary

I am a Technical Lead and Senior Full-Stack Developer based in Vaud, Switzerland. I design products, lead technical projects end-to-end, and deliver complete solutions rather than code alone.

I have five years of experience in agency environments, working across technical leadership, full-stack development, project management, client relations, and mentoring. I am comfortable taking projects from initial scoping and feasibility studies through delivery, training, and handover.

My core expertise includes JavaScript, TypeScript, React, Vue.js, Next.js, Node.js, PHP, and WordPress. I build web applications, PWAs, headless CMS integrations, e-commerce experiences, and reusable CMS themes and plugins.

I use AI tools and workflow automation to improve delivery speed without increasing team size. My experience includes integrating tools such as GitHub Copilot, Cursor, Claude API, and LLM-powered features into product and development workflows.

I have delivered commercial desktop applications, real-time multiplayer systems, booking platforms, profiling tools, and complex web applications. I also manage client communication, technical consulting, proposal writing, estimates, and stakeholder alignment.

I enjoy rapid prototyping, proof-of-concept development, technical watch, and mentoring team members. I work fluently in French, professionally in English, and have beginner-level German.

Notice period: 2 months

Skills

42 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Technical Lead & Senior Full-Stack Developer Trivial Mass SA

I lead end-to-end technical projects, combining product design, full-stack development, client communication, project scoping, commercial proposals, invoicing, and follow-up.

I design and ship complex products including an Electron and React desktop application for real-time multiplayer quiz events, with machine-fingerprint licensing and builds for macOS, Windows, and Linux. I also built LLM-powered profiling tools, multi-calendar booking systems, WordPress themes and plugins, and headless e-commerce integrations.

I integrate AI tools such as GitHub Copilot, Cursor, and Claude API into daily workflows to accelerate delivery. I conduct feasibility studies, create POCs and estimates, mentor apprentices, and provide CMS training and handoff documentation to clients.

Senior Front-End Developer WIDE Switzerland

Worked as a Senior Front-End Developer in Lausanne, Switzerland.

Developed front-end interfaces and contributed to web application delivery in an agency environment.

Full-Stack Developer Horde

Worked as a Full-Stack Developer in Lausanne, Switzerland.

Built and integrated web applications, CMS solutions, APIs, and front-end experiences.

Front-End Developer Copilote

Worked as a Front-End Developer in Switzerland.

Contributed to website development, front-end integration, and web project delivery.

Education

Learning history

HEIG-VD, HES-SO

Bachelor of Science, Media Engineering

Bachelor of Science in Media Engineering completed at HEIG-VD in Yverdon-les-Bains, Switzerland.

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