Full-Stack Systems Architect & Autonomous Builder
Engineering mission-critical web applications, distributed business operating systems, and agentic AI workflows. Obsessed with high shipping velocity, resilient codebases, and end-to-end DevOps ownership.
Quantified Impact at a Glance
Click through interactive visual models detailing realized software exits, the hackathon-winning AI ad agent loop, and the 200+ module enterprise ERP architecture.
$10,000+ Closed Software Exits Breakdown
Evidenced proof of building software as an investable asset, establishing verified traction, and negotiating profitable exits on Flippa and private Escrow.com settlement.
The Founder-Operator Distinction: Unlike developers who only write code that sits idle, every asset above was architected, marketed to real users, proven with verified revenue/usage, and sold through rigorous legal due diligence.
Proof of Work & Closed Transactions
Most portfolios show tutorial clones. Here is verifiable financial proof: completed SaaS exits on Flippa, settled Escrow.com payouts, live Meta ad metrics, and international client rosters.
vane.co.ke Digital Asset Exit
Built, scaled, and successfully auctioned web business on Flippa. Escrow secured and funds settled with international buyer Daniel Bouabdou.
Greatzer Software Asset Exit
Productized cold-outreach sending tooling, drove traction, and closed competitive auction above reserve price to buyer Zack Doucette.
Verified Escrow.com Settlement
Formal legal transaction and escrow clearing for software domain & codebase transfer under Flippa Legal agreement.
Live Meta Ads B2B Acquisition Engine
Multi-campaign Meta Ads Manager structure generating high-intent qualified B2B leads for Greatr Shop, Greatr CRM, and Greatzern ERP solutions.
International Executive Calendly Pipeline
Inbound discovery and product demo bookings with business owners and executives from UAE, Australia, UK, South Africa, and North America.
Flagship Systems & Juried Builds
In-depth architectural breakdowns of production systems, competitive hackathon wins, and multi-million shilling institutional rollouts.
Autonomous AI Marketing & Ads Management Agent
Built an agentic AI system that autonomously creates, launches, and iteratively optimizes Meta & Google ad campaigns end-to-end.
Greatr ERP & Institutional Systems Suite
A monolithic 200+ module business operating system powering ERP, CRM, payroll, inventory, and point-of-sale for enterprise & SME clients.
Safaricom / Timson Virtual Academy LMS
Enterprise Learning Management System engineered under an outsourced agreement tied to Safaricom's national educational partnership.
Micro-SaaS & Digital Asset Portfolio Exits
Systematically building, demonstrating verifiable traction, and successfully negotiating software asset sales on global marketplaces.
The Greatzern Software Ecosystem
A comprehensive suite of commercial SaaS applications, enterprise business management tools, and AI automations shipped to production.
Greatr ERP Suite
Complete enterprise ERP suite replacing 5–15 disconnected tools. Core general ledger accounting, HR, CRM, multi-warehouse inventory, and POS running live on erp.greatzern.com.
Greatr Shop
Full-featured e-commerce platform with custom storefronts, 27+ payment gateways including M-Pesa, multi-location inventory, and integrated POS live on shop.greatzern.com.
Greatr Cali
Dynamic meeting scheduling engine with automated timezone detection, team calendar routing, and SMS/WhatsApp reminders live on cal.greatzern.com.
GreatCRM
Project management, billable hour tracking, invoice dispatching, and branded client portals engineered for consultancies and professional practices live on crm.greatzern.com.
Greatr Mail (Gremail)
High-deliverability email platform with custom dedicated sending IPs, automated SPF/DKIM/DMARC alignment, and campaign automations live on emails.greatzern.com.
Greatr SMS Gateway
Self-hosted SMS gateway converting standard Android hardware into sovereign SMS dispatching infrastructure with zero per-message fees live on sms.greatzern.com.
WapiAgent
Omnichannel customer communication bot unifying WhatsApp, Email, and SMS with multi-LLM routing (GPT-4o, Claude, DeepSeek) for sub-10s automated response times.
Greatzern Platform Ecosystem
Official agency and software holding site powering 200+ deployments across 18 countries, 93+ industries, and client VPS retainers.
YouTube Tech Channel
Founder-led technical channel with 61+ video walk-throughs covering ERP builds, e-commerce stores, and software architecture.
GitHub Engineering Organization
GreatzernConsulting GitHub organization hosting LearnHouse Docker compose setups, Kaneo project management, and developer tooling.
Greatr HR & Payroll
Employee self-service portal, biometric attendance integration, shift scheduling, and localized tax/statutory payroll generation.
Adhome
Interactive property listing portal connecting buyers, tenants, and verified real estate agents with geolocation filters.
Instantly-Style Sending Engine
Engineered and operated a high-scale cold outreach sender, packaged with verified traction and sold on Flippa for $2,500.
ManyChat-Style Social DM Automation
Keyword-triggered direct message responder with CRM lead-capture webhook integrations. Successfully exited for $3,500.
Self-Hosted, Resilient Systems Architecture
Most developers stop at pushing to Vercel. I own the entire production stack: containerized orchestration, dynamic reverse proxying, SSL automation, and enterprise cyber defense on sovereign client VPS hardware.
Dokploy (PaaS Orchestration)
Automates Git-triggered builds, container rollouts, environment secrets, and rollback mechanics directly on sovereign VPS hardware.
Traefik Reverse Proxy
Edge routing layer managing Let's Encrypt certificates, load balancing, rate limiting, and HTTP-to-HTTPS redirects automatically.
CrowdSec Cyber Defense
Community-driven threat intelligence blocking brute-force attacks, malicious scrapers, and Layer 7 exploits at the network boundary.
Docker Isolation
Eliminates third-party PaaS lock-in (AWS/Vercel markups) by keeping client data and compute strictly on client-owned virtual private servers.
Why this matters for your engineering team: By pairing full-stack code with sovereign DevOps, I ship production architectures that cut cloud hosting bills by up to 80% while retaining total client data sovereignty and SLA guarantees.
Experience, Contracts & Governance
A continuous history of high-velocity execution: founding agencies, delivering enterprise contracts, building production ERPs, and leading student & civic organizations.
Co-Founder & Lead Systems Architect
- Co-founded a managed software implementation agency assembling open-source and proprietary tools into unified business operating systems for SME and enterprise clients.
- Delivered a complete school administration ERP (KEMSAP / Aloha Africa) on a 4-month build with KES 350,000 contract value across staged milestones.
- Architected and deployed client systems onto a hardened self-hosted infrastructure stack (Dokploy, Traefik, CrowdSec) on client-owned VPS hardware.
- Pivoted model from one-off custom code to high-margin recurring retainer maintenance contracts with ongoing SLA commitments.
Contracted Lead Developer
- Engaged via an outsourcing agreement connected to a national Safaricom partnership.
- Designed, engineered, and deployed an enterprise-ready Learning Management System (LMS) strictly to partner technical specifications.
- Implemented course modules, assessment workflows, dynamic grading, and student progress tracking with robust audit trails.
Serial Software Builder & Digital Asset Investor
- Operate a continuous Build → Grow → Monetize → Exit cycle on small software/SaaS businesses.
- Closed 9 business transactions to date for over $10,000 in combined realized value (including a $4,000 ERP SaaS, $3,500 social DM platform, and $2,500 cold email engine).
- Conducted complete transaction lifecycles: escrow settlement via Escrow.com, legal agreements, due diligence verification, and codebase transfer.
Founder
- Founded a specialized B2B outbound lead generation agency executing cold email, SMS, DM, and outbound call sequences.
- Constructed proprietary scraping engines (Apollo, ZoomInfo) and deliverability infrastructure (custom domain warmup, SPF/DKIM/DMARC rotation).
- Built and monetized cold email tools, including an Instantly-style sending engine sold for $2,500 on Flippa.
Founder & Technical Director
- Founded and operated a full-service web and growth agency for 3 years, building ~20 custom client websites and managing paid acquisition.
- Managed full-funnel Meta Ads & Google Ads campaigns with custom conversion tracking (Pixel & CAPI) and technical SEO.
- Operated the agency profitably in parallel with completing a rigorous full-time Computer Science degree.
Industrial ERP Implementation Engineer
- Completed intensive industrial attachment at a commercial fabrication works company serving vehicle manufacturers (Isuzu, Sinotruk, Mitsubishi).
- Designed and implemented an internal operations ERP system covering inventory, raw materials tracking, and fabrication job orders.
BSc in Computer Science and Communication Skills
- Completed 4-year Computer Science degree with specialized coursework in communication skills, data structures, algorithms, and distributed systems.
- Built and deployed 40+ software solutions during university tenure while concurrently running two active revenue-generating businesses.
Comprehensive Skills Matrix
From low-level self-hosted DevOps and deep enterprise relational databases to bleeding-edge AI agents and full-funnel paid acquisition.
Full-Stack Development
Systems & Enterprise Architecture
DevOps & Cloud Infrastructure
AI & Autonomous Workflows
Growth, Outbound & Paid Media
Business, M&A & Leadership
Let's Build Something Exceptional
Whether you are looking for a Founding Full-Stack Engineer, an Enterprise Solutions Architect, or a Growth & AI Builder — I am ready to deploy immediately.
Availability & Work Terms
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