Harare, Zimbabwe · Available for hire

I build AI tools people can rely on.

Senior AI Engineer with 8 years of experience building live software, growing platforms to 20,000+ users, and leading engineering teams. This page shows the work.

Read the case studies Download resume GitHub

Vetted developerToptal profile

20k+Users on platforms shipped

75%Avg. performance lift

20Engineers led

Selected work

Case studies

Real projects with the problem, my role, current status, and measured result up front.

CS-03Real-Time Operations

Logistics ops: 80% faster workflows with real-time mobile app

CST Goods-In

A real-time mobile operations platform that cut logistics workflow processing time by 80%.

Workflow processing time fell 80%; API response time improved from 500ms to 200ms.

Role

Senior Full-Stack Developer (Contract)

Status

Shipped

Read case study

CS-01Agentic AI / RAG

Support teams: answers from approved information, with human help

Semai AI Support

A support tool that answers from approved information and hands difficult issues to a person.

A controlled AI support design with human handoff and operator feedback.

Role

AI Product Architect & Lead Engineer

Status

Built

Read case study

CS-02Healthcare / Agentic AI

Healthcare recovery: private data with clear safety checks

MedReclaim AI

A healthcare recovery tool for several channels, with private-data checks and human decisions.

A healthcare recovery design with separate customer spaces and clear safety checks.

Role

AI Systems Architect

Status

Implementation-ready

Read case study

Governed Procurement Intelligence—An anonymized public-sector prototype that helps people find evidence before making procurement decisions.

Prototype — non-production

More Case Studies

See more projects, from healthcare and logistics to internal tools and workflow automation.

Open source & labs

Public engineering work.

Public projects you can open and review. Each entry links to the code.

Vibe Scanner

Open source

A read-only security scanner for Next.js and Supabase repositories and live websites, with terminal, JSON, CI, and MCP output.

PythonNext.jsSupabaseCIMCP

Public repository

UI/UX Craft

Open source

An open-source Codex plugin with 150 focused UI/UX skills for improving web and React Native products.

CodexUI/UXReactReact Native

Public repository

Evaluation-Driven Development Test Suite

AI engineering lab

A repeatable test suite for search accuracy, answer quality, and changes between model versions.

RagasARESLangSmithLLM evaluation

Public repository

Deterministic Safety Sandboxes with MCP

AI engineering lab

Safe execution boundaries for tool-enabled software using MCP, with checks for prompt injection and unsafe tool behaviour.

MCPPythonAgent safetyValidation

Public repository

Track record

Experience

Eight years building products, leading teams, and working directly with clients.

Independent AI Consultant

Senior AI Engineer · Remote

Zimnat Insurance: Cut customer-service response latency to <3s and lifted automated engagement 25% with a LangGraph multi-agent RAG system. Defence & Security AI (Classified): Delivered applied AI for national-security drone detection and procurement. Baines Avenue Clinic & PSC: Shipped multimodal debt-recovery and psychometric profiling products on AWS.

Agentic AIFastAPILangGraph

Feb 2025 — Present

Africai

Chief Technology Officer · Harare, Zimbabwe

Scaled a 3-developer AI platform team to support 20,000+ active users at 99.9% uptime, owning architecture and all MLOps/CI/CD. Cut API response times 35–75% via Redis caching, query optimisation, and async Python; led OpenAI/Stability.ai integration.

LeadershipMLOpsPlatform Scaling

Jan 2023 — Feb 2025

Coindraw, CST Ltd, Vanti

Senior Engineer — Independent Contractor · Remote

Scaled FinTech backend (Coindraw) to 10,000+ concurrent users at sub-200ms latency; cut logistics workflow processing time 80% (CST Ltd) via async refactoring. Built real-time Vue.js IoT dashboards (Vanti) syncing live telemetry.

BackendFinTechVue.jsIoT

Jun 2022 — Dec 2024

Topiax.xyz

Founder & CTO · Remote

Founded and scaled a 20+ engineer studio delivering AI, backend, and data products. Architected high-concurrency microservices to 10,000+ users at 99.9% uptime; cut production incidents 40% via standardised CI/CD and testing.

LeadershipMicroservicesCI/CD

Oct 2018 — Dec 2023

Full experience & education

Capabilities

Tools & credentials

The tools I use to build and run these systems.

AI & Machine Learning

OpenAIAnthropicLangChainLangGraphRAGPyTorchTensorFlow

Backend & Cloud

PythonFastAPIDjangoNode.jsGoPostgreSQLAWSDockerCI/CD

Frontend

ReactNext.jsTypeScriptVue.jsTailwind CSS

Blockchain & Web3

SoliditySmart ContractsEthers.jsWeb3.jsDeFi

Accomplishments

Vetted Toptal Developer

Toptal

Certifications

AWS Certified Developer — Associate

AWS

AWS Certified ML Engineer — Associate

AWS

Deep Learning Specialization (PyTorch)

Meta / DeepLearning.AI

LangChain & LangGraph for AI Agents

LangChain

TensorFlow Developer Professional

DeepLearning.AI

Writing

Clear notes about AI, software delivery, workflow automation, and leading teams.

June 2026 · 9 min read

Why 80% of AI-Built Apps Fail in Production (And the 7 Things That Kill Them)

The demo worked. The launch did not. The auth gaps, error handling misses, logging blind spots, and rollout mistakes that keep breaking AI-built apps in production.

April 2026 · 2 min read

I Audited 20 AI-Built Apps: Every Security Issue I Keep Finding

The recurring security issues in Lovable, Bolt, Cursor, v0, and other AI-built apps, with a practical launch-readiness checklist for founders.

April 2026 · 2 min read

Why Apple Rejected Your App and Exactly How to Fix It

A founder-focused guide to the most common App Store rejection reasons and the practical fixes before resubmitting.

April 2026 · 1 min read

GoHighLevel Setup Guide for Non-Technical Founders

A practical GoHighLevel setup checklist for founders who need domains, funnels, CRM fields, automations, calendars, email, and tracking configured properly.

All writing

Social proof

What clients say.

A few words from people I have worked with.

Cyprian developed a middleware API platform that seamlessly integrated our business services. His technical expertise and deep understanding of our needs helped automate key processes and deliver a robust, user-friendly solution that significantly enhanced productivity.

Aryton

CTO · CST Ltd

Very easy to work with and understood the assignment. He is very knowledgeable in his field and I would be more than happy to work with him again.

Wanda

Client · Product engagement

A talented developer, always willing to put forth 100% effort on every project. I am honoured to have worked with him on many projects and looking forward to working with him on many more.

@bitgallery1

Repeat collaborator · Multiple builds

Open to opportunities

Need software that works in the real world?

I'm open to senior engineering, architecture, and contract roles. If one of these projects looks close to your problem, email me.

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