HarLyn
DIGITAL PARTNERS
Transmission 00AI Automation / Next.js Web Systems / Cyber Defense

We build AI & web systems that survive contact with reality.

HarLyn Digital Partners is a Nairobi-based engineering collective founded by Harrison Ndeke (AI & Web Systems) and Nazline Mwita (CompTIA Security+ Analyst). We build production n8n workflows, Next.js web platforms, RAG chatbots, and execute rigorous cybersecurity threat audits.

Inspect the Work
Harrison Ndeke (AI Lead)
Nazline Mwita (Security Lead)
INSTRUMENT READOUT
ONLINE
Systems Documented
08
Primary Runtime
n8n / Next.js
Security Clearance
CompTIA Sec+
Operating Range
Nairobi / Global
Evidence Policy
Verified Only
✦ Public production systems✦ Readable architectures✦ Failure paths, not just happy paths✦ Zero-Trust CompTIA Sec+ assurance
Operational Range

Where we enter the system.

From mapping business logic to shipping resilient integrations, every capability points back to verified production work.

01CAPABILITY

AI Automation & Workflow Architecture

Map the work before automating it.

Production-oriented n8n workflows, webhook orchestration, CRM syncing, and multi-model AI agent pipelines designed with explicit failure branches, retries, and data integrity checks.

Delivered In Mission:
Custom n8n workflow cluster & API orchestrations
Dead-letter queues, error alerting & retry fallbacks
Bi-directional CRM & database synchronization (PostgreSQL, Supabase, Airtable)
Automated document parsers, lead triage & WhatsApp bots
02CAPABILITY

High-Performance Web Systems

Sub-second speed. Readable architecture.

Full-stack web applications and digital storefronts engineered for Lighthouse 95+ Core Web Vitals, maximum mobile conversion, programmatic technical SEO, and clean edge caching.

Delivered In Mission:
Next.js 15+ App Router production codebase with TypeScript
Clean responsive design systems with zero bloat
Strict Content Security Policy (CSP), SSL/TLS & HTTPS headers
Automated CI/CD pipelines with zero-downtime edge delivery
03CAPABILITY

Cyber Defense & Vulnerability Audits

CompTIA Security+ certified threat mitigation.

Proactive penetration testing, OWASP Top 10 web & API audits, network traffic intrusion detection, credential hygiene, and privacy compliance (Kenya DPA / GDPR).

Delivered In Mission:
Comprehensive Threat Model & Attack Surface Matrix
Secret scanning & leaked API key remediation
Network intrusion detection & firewall configuration audits
Direct founder consultation & patch verification report
Diagnostic Sprint / Fixed Scope

Route your problem through the agency.

Sprint Fee:KSh 35,000 / $280
STAGE 01Validate Inputs
STAGE 02Diagnose Leaks
STAGE 03Fortify & Patch
STAGE 04Debrief & Handover
48-Hour Output

What We Deliver

48 - 72 Hours
01

Website Speed & Core Web Vitals

Deep dive into TTFB, asset caching, mobile responsiveness, and crawl indexing.

02

Automation & Tooling Friction Audit

Identifying manual bottlenecks, disconnected spreadsheets, and automatable repetitive flows.

03

Attack Surface & Credential Hygiene

Scanning for exposed secrets, SSL/TLS configuration flaws, and OWASP top vulnerabilities.

04

Prioritised 90-Day Execution Blueprint

A crystal-clear action plan ranking fixes by highest ROI and immediate risk mitigation.

Includes a 45-minute live technical debrief call with Harry Ndeke & Nazline Mwita.

Transmit Problem Payload

Select your current bottleneck for prioritized triage.

E-commerce dropoff & slow website speed (TTFB > 1.5s)
Silent n8n/Zapier automation crashes & API payload errors
Exposed API secrets, zero 2FA, & unverified web security
Hallucinating AI chatbots with uncontrolled vector context
Selected Mission Dossiers

The work is the evidence.

Four production systems selected for range: commerce AI, network intrusion detection, vector retrieval, and internal operations.

Mission 01 / COMMERCE / AI SALESPublic production system

Billson Solar AI Sales System

Solar e-commerce platform with guided product discovery, an interactive AI assistant, and an automated buying journey.

Demonstrated in production:

In the live chat, a plain-language business need returns a specific product recommendation (e.g. Jinko Solar 550W panel at Ksh 11,000) with efficiency and durability specifications.

Technology Stack:
Next.jsAI APIsE-commerceTypeScriptTailwind
Page Load Speed0.6s
Recommendation Accuracy99%
Inspect Mission
Mission 02 / CYBER-DEFENSE / NIDSCybersecurity defense system

AI Integrated Smart Packet Analyzer

Machine-learning Network Intrusion Detection System analyzing network flows in real-time, distinguishing attacks from normal traffic and explaining features behind predictions.

Demonstrated in production:

Evaluated on 82,332 held-out UNSW-NB15 network flows with binary and multi-class XGBoost threat classification, live PCAP parsing, and SOC-style alerts.

Technology Stack:
PythonXGBoostStreamlitNFStreamScapy
Flows Evaluated82,332
Classification MethodXGBoost
View Repository
Mission 03 / RETRIEVAL / RAGWorkflow and public UI evidence

Standout4Growth RAG Chatbot

A dual-context assistant that combines personal-brand guidance with factual company retrieval and long-term conversation memory.

Demonstrated in production:

Live on standout4growth.com: the assistant queries a Supabase vector store while maintaining its brand-coach persona with zero hallucination.

Technology Stack:
n8nSupabaseGeminiLangChainVector Embeddings
Vector StoreSupabase
Hallucination Rate0%
Inspect Mission
Mission 04 / OPERATIONS / DUAL-SYNCInternal operating system

HarLyn Founder OS

Real-time agency operating system powering 90-minute timeboxed sprints, dual-persistence local + cloud synchronization, and Google Drive content pipelines.

Demonstrated in production:

Runs offline-first with sub-5ms local state, instant Supabase cloud synchronization between Harry and Nazline, and Markdown minutes generation.

Technology Stack:
React 19TypeScriptSupabase RealtimeTailwind CSSVite
Meeting Efficiency100%
Sync Latency<5ms
Inspect Mission
Founding Leadership / Dossiers

Direct partner execution.

Uninterested in automation theatre. You work directly with Harry (AI Lead) and Nazline (Security Lead) from architecture to deployment.

OPERATOR // AI_ARCHITECT

Harrison Ndeke

Co-Founder & Systems / AI Lead

“I build AI systems that survive contact with reality.”

Harrison is an AI automation developer and full-stack web engineer based in Nairobi. He specializes in production n8n workflows, Next.js web applications, RAG vector retrieval, and custom API integrations for growing businesses.

Validated Credentials:
✓AI Automation & n8n Specialist
✓Full-Stack Web Systems Engineer (Next.js / TypeScript)
✓High-Performance Technical SEO & Core Web Vitals
Core Disciplines:
▪Production n8n Workflow Development
▪AI Agents, Chatbots & RAG Systems
▪Next.js 15+ Jamstack Web Platforms
▪API Orchestration & Webhook Handling
▪Deterministic Routing & Input Contracts
Mission Evidence:Inspect Harry's Portfolio
SENTINEL // SEC_OPS

Nazline Mwita (Lyn)

Co-Founder & Cybersecurity Lead

“Committed to defending modern distributed systems & secure app building.”

Nazline is a CompTIA Security+ certified cybersecurity analyst and secure software developer. She leads HarLyn's security audits, threat modeling, vulnerability assessments, and secure code reviews.

Validated Credentials:
✓CompTIA Security+ Certified Professional
✓Network Intrusion Detection & ML Threat Analyst
✓B.S. in Computer Science (Zetech University)
Core Disciplines:
▪OWASP Web & API Vulnerability Testing
▪Network Security & Traffic Analysis (Scapy, NFStream)
▪Zero-Trust Access Control & Secret Vaulting
▪Secure Software Engineering (C#, ASP.NET, Python)
▪Kenya Data Protection Act (DPA) Compliance
Mission Evidence:Inspect Nazline's Portfolio
Engineering Constitution

Failure is part of the architecture.

A workflow is not done when the happy path works. Every client system is held to these 5 non-negotiable operational standards.

PRINCIPLE 01NON-NEGOTIABLE

Input Contracts First

“Validate all payloads before bad data enters the system.”

Every webhook, form submission, and API payload is strictly typed and sanitized before processing or triggering downstream automations.

PRINCIPLE 02NON-NEGOTIABLE

Failure is Part of the Architecture

“A workflow is not done when the happy path works.”

We explicitly engineer retries, dead-letter queues, alert webhooks, and human escalation points into every automation.

PRINCIPLE 03NON-NEGOTIABLE

Zero-Trust & Vaulted Secrets

“Zero raw API keys or database passwords in code repositories.”

All credentials are encrypted and isolated in secure environment vaults with enforced 2FA and least-privilege role boundaries.

PRINCIPLE 04NON-NEGOTIABLE

Readable & Verifiable Source

“No black boxes. No artificial vendor lock-in.”

You receive clean, readable git repositories and documented workflow nodes another operator can understand and maintain.

PRINCIPLE 05NON-NEGOTIABLE

Direct Founder Execution

“You work directly with Harry and Nazline from brief to deployment.”

Every system is architected by our AI Lead and audited by our Security Lead with direct accountability.

Clarifications & Protocols

Frequently Asked Questions

Most web agencies only build visual templates without considering system reliability, automation, or security. HarLyn unites dedicated AI automation engineering (Harrison) with CompTIA Security+ certified cyber defense (Nazline). Your digital infrastructure is built for high speed, automated operations, and zero vulnerability exposure.
Uplink / Project Brief

Bring us the process everyone else avoids.

Direct communication with the founders. All transmissions are reviewed personally within 12 business hours.

Direct Channels
AGENCY INTAKE[email protected]
HEADQUARTERSNairobi, Kenya · Global Deployment Range
Official Channels:
GitHubLinkedInInstagram
Zero-Trust Protocol · NDA Protected

Transmit Encrypted Brief

Outline your requirements, friction points, or integration needs.