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Get a real-time quoteFractional CTO and AI systems for SaaS
Serene Labs is a software and AI engineering studio led by Jacob Ralph, a fractional CTO and AI systems architect with 15+ years shipping production SaaS. We take stalled products and AI initiatives from prototype to revenue: LLM agents, RAG, and scalable cloud architecture (Python, Node.js, React, AWS). Founder since 17, Jacob has led teams of 20+.
Typical situations: an AI prototype that never reached production, a SaaS product that needs to scale, or a company that needs CTO-level leadership without a full-time hire.
What we do: AI agents and LLM integrations, RAG systems, SaaS architecture, API integrations, code reviews, and fractional CTO leadership.
Recent results: Jacob co-founded FancyAI and led its technology, building FancyGEO, an AI visibility platform with 50+ paying clients, under 3% monthly churn, and an 80% demo close rate. Its dual Claude + GPT engine runs on a corpus of 40,000+ sites and 1,500+ sources.
What you get: senior architecture decisions, hands-on delivery, and clear communication during US Central business hours (9:00-17:00).
We take a limited number of engagements. Tell us what you're building.
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Min project size
$1,000+
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Hourly rate
$25 - $49 / hr
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Employees
2 - 9
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Year founded
Founded 2018
Service Lines
- AI Development
- 40%
- AI Consulting
- 20%
- Generative AI
- 20%
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