Hi, I'm Joseph Gitonga

Software & AI Engineering Consultant · Fractional CTO

You might know me online as Jay Kiharani.

Based in Nairobi, I partner with founders, small businesses, and enterprise teams around the world to design, ship, and scale AI products, cloud platforms, and full-stack experiences that move the metrics that matter - whether you need hands-on delivery or fractional CTO leadership.

Recent Outcomes
  • Launched an LLM underwriting assistant adopted by a 120-person fintech team in 10 weeks.
  • Modernized a data stack processing 6M+ events/day and cut reporting time from hours to minutes.
How I Help
  • Hands-on leadership or fractional CTO coverage to align AI work with revenue and retention goals.
  • Engineering across the data, ML, and product stack to deliver production software.
Joseph Gitonga
8+ Years Experience

Working with teams from Nairobi to North America & Europe

FintechB2B SaaSHealthcare
Book a Strategy Call

Let's ship your next milestone

Ready to explore where AI and software can unlock leverage?

I partner with founders, product leaders, and data teams to deliver production-grade solutions, from focused delivery sprints to ongoing fractional CTO support. Tell me about your goals and we'll design the most impactful path forward.

Book a Strategy Call

Typical engagements run 4-12 weeks with optional fractional CTO coverage for longer-term leadership support.