Skip to content
CodelynStart a project

AI software consulting · Centurion, ZA

We engineerweb platforms, mobile apps, back ends, AI agents, connected devicesthat hold up in production.

Codelyn is a full-stack consultancy. We design, build and run the whole system: the web platform, the mobile app, the API behind them and the AI on top.

Start a projectSee the work
Web
Next.js · React
Mobile
Flutter · React Native
Back end
Node.js · Python
WEB PLATFORMAI AGENTMOBILE APPapi — deploy$ pnpm release✓ types ✓ lint ✓ tests✓ image built✓ migrated → liveAPI & SERVICESDATA
  • Next.js
  • React
  • TypeScript
  • Flutter
  • React Native
  • Node.js
  • Fastify
  • NestJS
  • Python
  • PostgreSQL
  • Supabase
  • Firebase
  • Docker
  • Kubernetes
  • MQTT
  • Gemini
  • Claude
  • pgvector
  • Typesense
  • Paystack
  • WhatsApp Cloud API
  • Sentry
  • GitHub Actions

What we do

Every layer, one team.

Most projects need more than one of these. We cover them all, so there is one team to brief and one team accountable for the result.

Web platforms

Dashboards, admin portals and customer-facing products that stay fast as the data and the team grow.

  • Next.js and React
  • Role-based access
  • Reporting and exports

Mobile apps

One codebase for iOS and Android, released through an automated pipeline instead of a manual checklist.

  • Flutter and React Native
  • Push, maps, signatures, NFC
  • Store release automation

APIs and back ends

The part nobody sees and everything depends on: data models, permissions, queues, webhooks and audit trails.

  • Node.js and Python
  • PostgreSQL
  • Payments and messaging

AI features and agents

Assistants that answer from your own data, document extraction, moderation and forecasting. The model proposes; your rules decide.

  • Retrieval over your data
  • Gemini and Claude
  • Evaluation before rollout

Devices and integrations

Software that reaches into the physical world and into the systems you already run.

  • ESP32 over LTE and MQTT
  • WhatsApp, maps, payments
  • Accounting and ERP hooks

Rescue and rebuild

Outgrown a low-code tool or a legacy stack? We move you onto code you own while the old system keeps running.

  • Off FlutterFlow and Firebase
  • Legacy PHP to modern APIs
  • Migration without downtime

Selected work

Built for the field, the factory and the back office.

Fire pumps, delivery trucks, music venues, bowling greens and payment back offices. Different industries, the same job: software people rely on every day.

01Industrial IoT

Firebrain

Shut down a fire pump from your phone.

Monitoring and remote control for diesel fire pumps. An ESP32 module on each pump reports over LTE and MQTT, on-call technicians get WhatsApp alerts, and a single versioned contract keeps firmware, API, web and mobile in step.

  • Flutter
  • Next.js
  • Node.js
  • MQTT
  • ESP32
  • Supabase
02Fintech

Matador Digital

The back office behind community payments.

Back-office tooling, customer messaging and AI-assisted support for a community payments and rewards platform, built as separate services that work together.

  • Next.js
  • Fastify
  • MySQL
  • pgvector
  • Gemini
  • Kubernetes
03Marketplace

Mewzo

Venues book artists. Artists get paid.

A booking marketplace rebuilt from a low-code prototype into a hand-written Flutter app and Node API, with in-app payments, fast search, and AI that moderates profiles and fills them in from a press kit.

  • Flutter
  • Express
  • Supabase
  • Paystack
  • Typesense
  • Gemini
04Logistics

Centurion Ice

From WhatsApp orders and a whiteboard to one system.

Orders, dispatch, delivery and stock control for a factory and its trucks. Drivers work from a tablet with digital trip sheets and customer signatures; the office gets route planning and demand forecasts.

  • Next.js
  • Fastify
  • Flutter
  • Supabase
  • Google Maps
  • Gemini
05Sport

Bowlsmaster

A national sport, organised club by club.

Mobile app work and an admin portal rebuild for lawn bowls, covering five levels of organisation from national body to member, with sign-in moved to a new provider one login at a time.

  • Flutter
  • Next.js
  • Supabase
  • Firebase
  • Fastlane
06Field service

FixGlass

Turn-by-turn, without leaving the job app.

Maps and in-app navigation added to the Flutter app that windscreen technicians in the UK use on the road, so they route between jobs without switching apps.

  • Flutter
  • Maps
  • iOS
  • Android
07Codelyn Labs

Tradelyn

A research engine that distrusts its own ideas.

Our own forex strategy research platform. A model proposes strategies; a cost-aware backtester and walk-forward validation decide what survives. Built to tell us when there is no edge, which is most of the time.

  • Python
  • pandas
  • PostgreSQL
  • Next.js
  • Claude

How we work

From a conversation to a system in production.

No six-month silence followed by a big reveal. You see working software early and often, and you always know what comes next.

  1. 01

    Discover

    Week 1

    We sit with the people who do the work, map what happens today and agree on the smallest version worth shipping. You get a written scope, a fixed first milestone and a price.

  2. 02

    Design

    Weeks 1 to 2

    Data model, API contract and screens are settled before the build starts. Changing a diagram costs minutes; changing a database in production costs days.

  3. 03

    Build

    Weekly releases

    Work lands in short cycles on a staging environment you can open at any time. Tests, type checks and a release pipeline are set up at the start, not bolted on at the end.

  4. 04

    Launch

    Go-live

    Data migration, store submissions, monitoring and a rollback plan. We go live alongside the old system where we can, so nobody is left without a working tool.

  5. 05

    Run

    Ongoing

    Error tracking, on-call fixes and a steady stream of improvements. The code, the infrastructure and the documentation are yours from the first commit.

Ways to work together

Build it, join you, or advise.

Three ways in, depending on how much of the work you want off your plate.

01

Build

A product, end to end

You bring the problem; we deliver the working system across web, mobile and back end, then stay on to run it.

Best for a new product or a full rebuild.

02

Embed

Senior hands in your team

We join your developers, work in your repos and your process, and take ownership of a feature or a whole stream.

Best when your roadmap is bigger than your team.

03

Advise

Architecture and AI strategy

Code and architecture reviews, migration plans, and a clear answer on where AI will pay for itself and where it will not.

Best before a big build or a big decision.

One team, the whole stack
The people who design your database also build the screen that reads from it. Nothing is lost between front end, back end and mobile.
AI where it earns its place
Models write, summarise and suggest. Numbers, money and safety decisions stay with code you can test.
You own everything
Your repositories, your cloud accounts, your data. No lock-in to us or to a low-code platform.
Plain progress reports
A staging link every week and a straight answer about what is done, what is late and why.

Start a project

Got something that needs building?

Tell us what you are trying to do and where it hurts today. You will get a straight answer on whether we can help, how long it should take and what it should cost.

hallo@codelyn.co.zaCall +27 64 654 8955
Based in
Centurion, South Africa