Freelance
Execution capacity, often centered on one person
Availability that can vary across parallel projects
Little continuity if the engagement ends
You drive the product. We take responsibility for the technology.
More than a fractional CTO: a team of engineers who question, decide, build and stay accountable over time.
You'll be talking with Rahim Gharbi- Free, no-obligation call
- No sales middleman
Freelance, external CTO, or Byrsa Tech
Three models, one question that matters once you're in production: who stays accountable when something breaks? A freelancer executes; a fractional CTO advises.
Byrsa Tech does both: we question the need, execute with a team of engineers and stay accountable over time.
External CTO
Strategy and technical leadership
Often little or no direct execution
Needs a development team alongside it
Byrsa Tech
Technical thinking and challenging the need
Execution by a team of engineers
Accountability sustained over time, not just at the advisory stage
Don't just hand us a list of tickets
Tell us the objective. We question the assumptions, identify the simplest fitting solution, explain the trade-offs, build it, and stay accountable after release.
A concrete example
What we built for a client facing the same challenge.
What we take care of
The whole technical cycle: roadmap and architecture, product technical decisions, development, code reviews, infrastructure, deployment, security and monitoring.
You own the product. We carry the responsibility.
The code, the data, and the product are entirely yours. Byrsa Tech takes on technical responsibility, not the intellectual property of what we build for you.
The day you hire your own team, the architecture, the documentation and your full ownership of the code make that transition possible instead of blocked. We never engineer an artificial dependency on our team.
How we work
01Discovery
A call, then a workshop to set scope, budget and priorities.
02Design
Mockups and technical choices validated with you, before any code is written.
03Development
A testable version within the first weeks, with regular demos.
04Testing & QA
Every release tested before it goes live.
05Deployment
Go-live on hosting in your name, which we set up for you.
06Maintenance
Fixes and new features, with the same team.
Frequently Asked Questions
More than that: beyond advice, our engineers build, deploy and maintain the product. We own the execution and the responsibility for what runs in production.
You keep the vision and business priorities; we make the technical decisions and explain them to you.
Yes, on coordinated scopes. We remain a team in our own right, with our own technical accountability, not staff augmentation.
Yes: we hand over a documented architecture and are happy to join technical interviews with you.
Yes, fully, from day one. No IP transfer to negotiate at the end.
No. A service-center model with no set term: adjust the scope or stop with one month's notice.
Together, based on your business goals, with a technical roadmap we adjust regularly. We tell you when a priority seems off.
To Rahim Gharbi, founder and engineer, your single point of contact. No sales middleman: the developers on your project present the demos themselves.
We adjust the roadmap with you. A change in priorities shows up in next week's work, not in a contract amendment.
What happens after you click
A 30-minute conversation
You tell us where you stand, we ask the right questions. It's free.
Concrete feedback
Options, a ballpark estimate and the points to watch out for, without jargon.
You decide
Move forward with us, on your own or with someone else: no strings attached.
Ready to launch your project with the right team?
A clear plan or just a hunch: in 30 minutes, you leave with concrete next steps and a first ballpark estimate.
Nice, France