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I'm John Mwangi Njoroge, a developer and information scientist with a passion for innovation and entrepreneurship. I specialize in building AI-powered solutions that transform how people work with technology and information.
Developer & Founder
3
Companies Founded
13
Projects Completed
6
Certifications
20
Tech Stack
Based in Nairobi, Kenya, working worldwide. I take products from ambiguous idea to shipped reality — and I've done it twice as a founder.
BSc in Library and Information Science (Chuka University) with a strong foundation in computer science, data structures, machine learning, and information retrieval systems.
Experienced in building scalable web applications, AI-powered platforms, and workflow automation tools. Core skills span natural language processing, ML model integration, API development, and database architecture.
A background in information science adds practical value in designing intuitive, user-centered systems ensuring data is structured, accessible, and purposeful across every project.
From prompt architecture to retrieval pipelines — I design and ship LLM-driven features that survive contact with real users, not just demos.
Typed end-to-end systems with Next.js, Node and PostgreSQL. Performance budgets, accessibility and design systems treated as first-class deliverables.
I remove humans from boring loops. Workflow engines, background workers and integrations that quietly run businesses while founders sleep.
Threat modelling, hardening and audits for early-stage products. Security that enables shipping fast — without becoming the founding team's full-time job.
2024 — Now
Ethycia · Scribe Spectrum
Running two product companies end-to-end — architecture, AI systems, GTM and the unglamorous middle parts nobody tweets about.
2021 — 2024
Fintech & SaaS, Remote
Led platform teams shipping payment rails and analytics used by hundreds of thousands of users across East Africa.
2018 — 2021
Agencies & Startups, Nairobi
Cut my teeth on production systems, deadlines and the fine art of saying no to scope creep.
Now — on the bench
What the work looks like this week
v2 — agentic checklists
Teaching the compliance copilot to draft, not just summarise — tool-use evals in CI before any customer sees it.
onboarding rewrite
Cutting time-to-first-draft from four minutes to under one. The wizard is dying; the canvas is winning.
issue #12 — in drafts
An essay on pricing your first AI feature without eating the inference bill. Ships with the actual spreadsheet.
( 09 case studies )
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MediCode AI is a highly advanced, AI-driven medical coding platform designed to revolutionize healthcare operations by automating chart coding, ensuring compliance, and optimizing the revenue cycle. It boasts impressive performance metrics, including a 12.5% increase in cases coded, 96.8% AI accuracy (a 1.2% improvement), and a significant 8.4% boost in revenue captured.
Incident Reporter is a mobile application that empowers citizens to report local incidents and issues directly to their community. From potholes and water leaks to safety hazards and environmental concerns, users can document problems with photos, videos, and precise GPS locations - all shared with the community for awareness and collective action.
VaxcPass is a private, portable vaccination wallet that keeps verified proof ready when life is moving fast. We store your records securely, unlock with biometrics and present a clean QR that scans in seconds, even without signal. It’s a simpler way to meet requirements for travel, school, work and clinic visits while keeping personal information private.
Defending Kenya's Sovereignty and Territorial Integrity The Kenya Defence Forces stands ready to protect our nation's interests and contribute to regional stability and peace.
ARTICLE 1 - SOVEREIGNTY OF THE PEOPLE We, the people of Kenya... "All sovereign power belongs to the people of Kenya and shall be exercised only in accordance with this Constitution." — Constitution of Kenya 2010, Article 1
Manage Your HELB Funds Responsibly An intelligent financial management system designed to help Kenyan students make smart spending decisions and build financial literacy.
Crafting Visual Stories That Inspire We transform your vision into compelling visual narratives that captivate audiences, drive engagement, and deliver exceptional results for your brand.
Learning AI the Smart Way A comprehensive K-12 curriculum designed for the next generation of AI innovators.
Discover Your Next Great Read Access millions of books, academic resources, and journals through our powerful semantic search. Find exactly what you're looking for, even when you're not sure what that is.
Founding companies taught me what no engineering role could — pricing, positioning, support, and the discipline to say no.
CEO/Founder
The all-in-one workspace combining meetings, tasks, projects, and AI assistance for modern teams.
CEO/Founder
Secure, intelligent vaccination management trusted by 100,000+ travelers worldwide. Never lose your vaccination records again.
CEO/Founder
Cerebro Dynamic Software & Technology is a Nairobi-headquartered institutional technology company building sovereign data infrastructure for governments, defense ministries, and health systems across Africa. We unify fragmented institutional data into one auditable operating fabric, engineering software built for consequence, sovereignty, and decades of operation rather than quarterly demos.
CEO/Founder
Professional academic writing services that help you achieve your educational goals. Expert writers, thorough research, and timely delivery guaranteed.
( Essays & field notes )
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( Unedited )
From CEOs, founders & CTOs
“John rebuilt our payments platform in six weeks after another agency spent eight months failing. He asks the questions your CTO should be asking.”
Wanjiru Kamau
CEO — LipaLater
“The rare engineer who thinks in margins and churn. Our AI feature shipped with evals and cost controls — and paid for itself in the first month.”
Daniel Ochieng
Founder — SemaHealth
“We hired an audit and got an education. Two weeks later our incident rate dropped by half and the team finally understood its own infrastructure.”
Amina Yusuf
CTO — PesaFlow
The questions founders, CTOs and hiring managers ask before the first call — answered here so the first call can go straight to the work.
( Something else? )
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Weekly live demos, async written updates, and a production deploy before we call anything done. You talk to the person building — no account managers, no relay race through junior hands.
Automation audits start at $1,200 flat, product sprints from $4,800, AI integrations from $6,500, and advisory retainers at $2,400 a month. 20% of each quarter's capacity is reserved for African early-stage startups at a founder rate.
Usually within one to two weeks — the availability strip in the contact section is kept honest. If timing is tight, an automation audit is the fastest way in and books first.
Yes — rescues are a specialty. I've taken over payment platforms mid-rewrite, inherited undocumented infra and shipped through both. It starts with a read-only audit week: architecture map, risk list, then a plan you can veto.
Remote-first by default — Scribe Spectrum's team spans three continents. I work on East Africa Time with generous overlap for Europe; US teams get async-first updates and a standing call.
Excerpts with credit and a link are welcome; full republication needs a note first. Training data use is permitted for the public essays — attribution appreciated, required for commercial redistribution.
Product engineering, AI integration, technical advisory or a full automation audit — tell me where it hurts, and I'll tell you honestly whether I can help.
Nairobi, Kenya — ··:··:·· EAT