/consulting
In general, I can assist you in the following areas:
Development of MVPs.
Adding business features to your web application.
Guidance on your technological choices as part of your product strategy or pivot.
Assistance in recruiting technical resources.
My story
With over 9 years of experience in designing and developing web applications, I'm available as a senior full-stack consultant, as well as a part-time CTO.
As a technically-oriented entrepreneur with a passion for problem-solving, I co-managed a company in the asset management industry for 5 years as CTO. I then held a Tech Lead position at the acquiring company for 2 years.
I'm particularly interested in zero to one, rapid and high-quality execution on product iterations, as well as working in commando-style organizations, focusing on solving specific problems.
Things I do
- Adding business features to a Ruby on Rails application
- Design and architecture of a NestJS project
- Breaking down a NestJS monolith into a modular and/or microservices architecture
- Creating a chatbot with LangChain and Chatbot Telegram
- Creation of GPT agents and plugins
- With OpenAI or Anthropic SDKs
- Prompt engineering for business use cases OpenAI, Anthropic SDKs or a private LLM.
- Lean CI–CD pipeline
- Github + DigitalOcean
- OAuth authentication system
- Two-factor authentication (2FA) OAuth
- with Lucia Auth
- Single Sign-On (SSO) with an external Auth0 service in a Ruby on Rails application
- Building components compliant with Web Component standards
- User journeys with Whimsical
- High-level prototyping with Figma
- Integration of Figma mockups
- into Astro + Tailwind CSS
- Iterations on Ruby backend
- Ruby on Rails
- Development of a GraphQL API with Ruby on Rails
- Automated video creation via Remotion
Technique
I'm a fast learner, and can help you with pretty much everything on the backend and frontend sides.
My current technical scope is linked to these keywords:
Frontend
- VueJS – NuxtJS – Quasar – Astro - React – NextJS – Remix – Framer Motion
- Tailwind CSS – RadixUI – Figma – XState - Web Component
Backend
Languages / Runtime
- Javascript – TypeScript
- NodeJS – Bun – Deno - Ruby
Automation, No-code
Cross platform
Databases, ORM
Testing, CI/CD
Authentication, Authorization
- OAuth – Lucia Auth
- Auth0 – Supabase – Firebase
APIs & Protocols
Hosting, Cloud Services
- Vercel – Netlify – Cloudflare – DigitalOcean – S3
Payment
Analytics
- GAnalytics - Plausible - Pirsch - Clarity
Email
Trading, data analysis
- Backtrader - Pyfolio - polygon.io - VectorBT
AI, LLMs
- OpenAI - Anthropic SDKs - LangChain - Comfyui
Frontend
- VueJS – NuxtJS – Quasar – Astro
- React – NextJS – Remix – Framer Motion
- Tailwind CSS – RadixUI – Figma – XState
- Web Component
Backend
Languages / Runtime
Automation, No-code
Cross platform
Databases, ORM
Testing, CI/CD
Authentication, Authorization
- OAuth – Lucia Auth
- Auth0 – Supabase – Firebase
APIs & Protocols
Hosting, Cloud Services
- Vercel – Netlify – Cloudflare – DigitalOcean – S3
Payment
Analytics
Email
Trading, data analysis
- Backtrader
- Pyfolio
- polygon.io
- VectorBT
AI, LLMs
Employment ?
I am currently working as an independent contractor, but I'm open to extraordinary opportunities if they arise
Some testimonials
Thanks a lot, your help was more than precious!!RF
Robin Fuchs
CTO @ VILLAGE MAYFAIR Inc
(translated) I highly recommend Jules for any web development project. [...] I'm always impressed by his knowledge and his ability to quickly solve complex problems. Jules is also great at communication and teamwork, making him a valuable asset for any company in the Tech industry. [...]TD
Thomas Deasington
Full Stack Developer
I had the pleasure of working with Jules [...] brings exceptional expertise in setting up technical environments and using the latest tools to optimize project workflows. His ability to choose and implement the right tools for each phase of development was invaluable to our team's success. What truly sets Jules apart is his passion for knowledge sharing. He consistently took the time to explain complex concepts and shared his deep understanding of various tools and technologies, making sure everyone on the team was on the same page [...] His collaborative spirit and eagerness to help others learn made him an indispensable part of the team. [...] He would be a great asset to any team [...].IK
Ibrahim Kerkeb
Expert ReactJS
Yep great pleasure, we learned a lot ! Thank you so much.FL
Fernand Lime
React Native Developer
(translated) [...] Rigorous, efficient, and creative, he has often helped the team out of complex technical situations with innovative and smart solutions, thanks to his "think outside the box" mentality. Additionally, his constant watch on the latest technologies and tools has been a significant asset, [...] On a personal level, he's also a super nice, dynamic, and communicative person. [...] Jules is definitely a valuable asset to any team, and I hope to work with him again sometime soon :)HL
Hugo Le Morvan
Full Stack Developer
(translated) Thanks again for your work. It was a pleasure working with you again 🙂YB
Yamine Benmessaoud
Responsable produit
Thank you for your work, learnt a lot in last month ❤️RC
Rushi Chandalia
Software Developer | Security Analyst
(translated) We asked Jules to revamp part of our solution. His approach is very professional, and he quickly understood the challenges and limitations of our application. He was able to offer suggestions and, most importantly, he works independently.AF
Aurélien Filoche
CEO @ Ouipharma
(translated) Silk has been with us since the launch of our management company. [...] We are extremely satisfied. The Silk team has been a valuable asset to the success of our project. They offered great advice, worked within tight deadlines, and were very responsive without ever compromising the quality of the final output. Communication with all team members was also exceptionally smooth. Kudos and thanks to the whole team.DT
Dorian T
Portfolio Manager @ LONVIA Capital
(translated) [...] Our growing reputation owes them a lot.VS
Vincent SHMIDT
Directeur Général @ KEREN FINANCE
I'd be thrilled to immerse myself in your business domain and help you a few days a week, or intensively on short-term projects (fully remote).