Freelance · Senior Technical Lead · SaaS & Fintech · Remote

Technical ownership
for startups that
need to move fast.

10 years of experience. I work with a small number of SaaS and fintech founders at a time as their technical lead — from architecture decisions to shipping. No full-time hire, no agency overhead.

Book a call →How I work

Previously worked with

ZoopAltitudeMobula LabsRiverflowFantiumBlackpool FinanceHyperHyperBetclicStrategBetter Trade Off

From fintech and SaaS to high-scale consumer products.

Services

Senior experience.
Full ownership.

I own the technical side.
You focus on the rest.

Senior developer with 10 years of experience, working with SaaS and fintech founders who don't have a CTO yet. I take ownership of your technical stack end-to-end — from architecture decisions to deployment. No overhead, no surprises.

  • —Full-stack web development (React, Next.js, Node)
  • —MVP from 0 to production-ready
  • —AI integration & agent development
  • —Codebase audit & rescue
  • —Technical lead — I own the roadmap, not just the tickets

Starting from

8 000€/ month

Works with a select number of startups · Scope defined together · No long-term commitment

✓No agency markup

✓Senior-level output, without the full-time hire

✓Works with a small number of startups — you always know where you stand

Book a call →
Fixed delivery

A defined project.
A defined price.

One project.
Start to finish.

No monthly commitment. You have a clear need like an MVP to validate, an AI feature to integrate, or a codebase to rescue.

  • —MVP from scratch
  • —AI feature integration into existing product
  • —Codebase audit & rewrite
  • —Defined deliverables, agreed upfront
  • —Changes are scoped separately

Typically

5 000€ – 15 000€

Depending on scope · Can exceed for larger projects · Quoted after a call

✓Fixed price, no surprises

✓No long-term commitment required

✓Good entry point before a longer collaboration

Book a call →

“Sylvain couples sharp software instincts with an uncommon entrepreneurial mindset. One of the most loyal engineers I know.”

Mathieu BourCTO — Mobula Labs / Riverflow
Contact

Got a product
that needs to ship?

I work with a small number of SaaS and fintech startups at a time as their technical lead. If you need a senior engineer who takes full ownership and ships — without hiring full-time — let's talk.

Book a call →Email me