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.
- 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.
- 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.
Choose Your Next Step
Whether you're shipping your first product or scaling global operations, start with the path that fits your team.
Experience Playbook
Dive into career milestones, engineering outcomes, and the systems thinking I bring to every engagement.
ExploreNoria Technologies LTD
Engage via the registered Kenyan entity for structured procurement and compliance.
Visit WebsiteServices
See how I integrate leading AI models, build platforms, and lead delivery sprints.
ExploreClients
Support tailored for solo founders, small businesses, scaleups, and enterprises.
ExploreCase Studies
Explore recent projects across insurance, accounting, and custom software.
ExploreLet'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.
Typical engagements run 4-12 weeks with optional fractional CTO coverage for longer-term leadership support.