From Vision to Working Product

CTO-as-a-Service for visionary founders

You're a non-technical founder with a clear product vision but no technical foundation in place. We take full technical ownership and build your R&D the right way, so you can grow without fearing costly mistakes.

Does this sound familiar?

Most growing companies recognize it too late, and spend the next six months
paying for it.

?

You've just raised funding, and investors are asking detailed technical questions.

We solve this!

We provide experienced technical leadership to help you answer with credibility, without the cost of a full-time CTO.

?

Your MVP has launched, and it's already struggling to hold up under real user traffic.

We solve this!

We assess the system, identify the root causes, and take full ownership of resolving them the right way.

?

Your product was  "vibe-coded", and it won't survive once it actually starts to scale.

We solve this!

We review the existing codebase, define a clear remediation plan, and take responsibility for its execution.

?

You have no internal technical leadership, and every decision carries real risk.

We solve this!

We advise on vendor choices, technical tradeoffs, and architecture decisions, so fewer decisions are made blind.

?

Partnered with a vendor or agency early on, but the system never got finished.

We solve this!

We take full ownership of the existing codebase and bring it to a stable, production-ready state.

?

You're building something genuinely new, without a clear precedent to follow.

We solve this!

We act as a technical partner with frontier experience, helping you judge which technical bets are worth taking.

What Our Clients Say About Us

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Gal Shenhav
Director of Engineering, Qualcomm
"5Blue Software has a unique, tailor-made, and effective approach to finding the right engineers for our team."
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Oren Kochansky
Mobile Director (GM), Taboola
"I'm very impressed by how quickly and effectively they integrated into our teams. They are highly engaged."
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Idan Belkind
CEO, Stipat
"They were delivering as promised and keen to go above and beyond for us."
stars
Shaul Ben Maor
CTO & Co-Founder, Claro
"5Blue Software was able to translate our requirements into fully functional and well-integrated features."
stars
Guy Aharoni
VP R&D, Browzwear
"What impressed us most was 5Blue’s level of expertise and how deeply they understood our needs from day one."
stars
Ido Perach
Co-Founder & CTO, ProDrops
"The process of finding the right developer was professional and easy!"
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Ofir Shoval
VP R&D, Melingo
"Their differentiated salary range system, tailored to each team member's specific quality and skill set, stood out."
stars
Elad Argov
R&D Manager, Milgam
"What impressed me most about this company was their commitment to understanding our needs."
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Is this where you're at?

If several apply to your situation, let's connect.

You're a fit if...

You're a non-technical founder at Seed or Series A

You have a clear product vision but no technical foundation in place

You've spent money on freelancers or agencies and it didn't work

You're worried about making the wrong early tech decisions

Investors are asking hard tech questions you can't answer alone

You want someone who owns the outcome - not just executes tickets

Probably not a fit if...

You already have a CTO or strong internal R&D team

You're pre-idea or pre-funding

You need a single developer for a quick task

Typical Profile

Stage

Seed - Series A

Team size

0–5 people

Tech team

None yet

Product type

Tech product

CTO-as-a-Service

We take full technical ownership and build your R&D foundation the right way - so you can grow without fearing costly mistakes.

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We Own the Stack
We build your entire R&D function - architecture, cloud infrastructure, deployment pipelines - from the ground up. The technical foundation becomes something you can stop thinking about.
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A Full Team When You Need One
Not every stage calls for a full team. But once you are heading to production, you get a dedicated senior engineering team managed directly by our CTO,
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Architecture That De-risks Your Investment
Every project is architected personally by our CTO, drawing on 20+ years of experience. That's what keeps a foundation scaling instead of needing a rebuild eighteen months in.
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Right Decisions. Full Ownership.
We guide the calls on tools, strategy, and architecture to save you time and money, and we own execution end to end.

Choose your level of involvement

Not every founder needs the same thing. Start where you are, scale the
engagement as you grow.

Architectural Audit & Roadmap

A one-time review of your codebase and infrastructure by our CTO, resulting in a report on technical debt, risks, and a prioritized roadmap.

Full codebase & infrastructure teardown

Technical debt & security risk identification

Prioritized, execution-ready technical roadmap

Investor-ready architecture narrative

Request an Audit

Fractional CTO & Board-Level Advisory

Ongoing part-time CTO support: guidance on technical decisions, review of your current team or vendors, and a roadmap aligned to business goals.

Technical strategy & architecture governance

Weekly leadership syncs & roadmap prioritization

VC, Board, & Investor technical support

Vendor evaluation & team performance audits

Book a Free Call

The Fully Managed R&D Department

A senior engineering team managed by our CTO, handling planning, development, and quality control for your product.

Day-to-day engineering execution by senior talent

Continuous architectural oversight by our CTO

Agile sprint planning, delivery, and strict QA

Zero hiring overhead, zero retention risk, zero wasted sprints

Discuss Your Needs

Three steps to your dream product

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2
3

Discovery Call

We sit down with you to understand your vision, market, timeline, and funding. We ensure we get a clear picture of what needs to be built and how.

Architecture & Team Assembly

Our CTO designs the technical architecture and hand-picks a senior team tailored to your product. You review and approve everything before a single line of code.

Build, Ship, Scale

We operate as your embedded R&D team, delivering working software every sprint. You stay in the loop without the burden of managing engineers.

Senior expertise guiding your vision

Talent
Dr. Dan Bar-Yehuda
CTO
Dan is a tech leader with 10+ years in high-tech. PhD in Neuroscience from Bar-Ilan University, specializing in scalable systems and technical leadership.
LinkedIn
Talent
Shlomi Aflalo
CEO
Shlomi is an experienced tech entrepreneur with a diverse background across various technologies with a specialization in computer science.
LinkedIn
Ready to turn your vision into reality?
Book Your Free Strategy Call