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Fractional CTO for B2B SaaS Startups

Part-time executive technical leadership with deep expertise in saas. Scalable multi-tenant architecture for subscription software companies from MVP to enterprise.

$35M+
ARR guided
2
Acquisitions
99.99%
Uptime
15+
Startups

SaaS Engineering Challenges We Solve

Building saas software requires navigating complex requirements. Our fractional ctos bring hands-on experience with:

Technical Challenges

  • Multi-tenant architecture decisions
  • Usage-based billing implementation
  • Enterprise SSO and security requirements
  • API design for third-party integrations
  • Performance at enterprise scale

Our SaaS Expertise

  • Multi-tenant SaaS architecture
  • Subscription billing systems (Stripe, Chargebee)
  • Enterprise identity (SAML, SCIM, SSO)
  • Product analytics and feature flagging
  • Infrastructure cost optimization

What Our Fractional CTOs Do for SaaS Startups

When you work with a HyperNest fractional cto for your saas startup, you get more than technical execution. You get a partner who understands the unique challenges of building saas products—from multi-tenant architecture decisions to usage-based billing implementation.

Fractional CTO Responsibilities in SaaS

  • • Technical roadmap aligned with saas regulatory requirements
  • • Architecture decisions that scale while maintaining compliance
  • • Vendor selection for saas-specific tools and services
  • • Engineering hiring with domain expertise requirements
  • • Investor storytelling for saas technical diligence

Why SaaS Founders Choose Us

We've built production saas systems. Our engineers understand multi-tenant saas architecture and subscription billing systems (stripe, chargebee) because they've implemented them before. That means faster onboarding, fewer mistakes, and a shorter path to your next milestone.

Aravind is in the top 1% of engineers I've hired. He supported us from $100K to $5M ARR, keeping us shipping through crazy growth and investor scrutiny.
Tara Viswanathan
Co-founder & CEO, Rupa Health (Acquired by Fullscript)

Fractional CTO for SaaS FAQs

What does a Fractional CTO for SaaS startups do?

A fractional cto for saas startups provides part-time executive technical leadership with specialized knowledge of multi-tenant architecture decisions and usage-based billing implementation. They understand the unique technical and regulatory requirements of building saas products.

Why do SaaS startups need a specialized Fractional CTO?

SaaS software requires deep domain expertise. Scalable multi-tenant architecture for subscription software companies from MVP to enterprise. A fractional cto who has built saas products before can help you avoid costly mistakes, navigate compliance requirements, and ship faster.

How much does a Fractional CTO for SaaS cost?

Fractional CTO engagements for saas startups typically range from $10,000-25,000/month depending on scope and hours. This is often 50-70% less than a full-time hire while getting senior expertise from day one.

How is HyperNest different from other SaaS development agencies?

We embed as founding engineers and fractional CTOs directly in your team—no rotating contractors, no account managers buffering conversations. Our engineers have shipped production saas systems and understand the domain deeply.

Ready for a Fractional CTO who knows SaaS?

Let's discuss your saas startup and how we can help you ship faster.