Software Engineering

Software built around how your organization works.

We design and develop secure business applications, SaaS platforms and digital systems that solve operational problems and scale with your organization.

Wireframe illustration of the Simba Retail dashboard, showing sales, inventory and M-Pesa areas

Simba Retail — interface illustration

01 · Custom business applications

The proof is software we run ourselves

Simba Retail and Med3 are management systems, workflow systems and internal platforms shaped around how real teams actually work. They are also the reason we can talk about operational software with some authority.

Wireframe illustration of the Simba Retail dashboard, showing sales, inventory and M-Pesa areas

Simba Retail — interface illustration

Simba Retail

An integrated retail and commerce platform for sales, inventory, customers, branches, mobile-money payments and day-to-day operations.

Explore Simba Retail

Wireframe illustration of the Med3 healthcare dashboard, showing clinical and administrative modules

Med3 — interface illustration

Med3

An integrated platform for healthcare facilities to manage core clinical and administrative operations in one workspace.

Explore Med3

02

SaaS Platforms

Multi-tenant cloud applications and subscription-based platforms, designed for reliability and growth from the first customer. Tenant isolation, billing and background work are designed in rather than bolted on.

Tenant isolation

Each customer’s data is separated by design, not by convention.

Billing & subscriptions

Metering and billing modelled into the platform from the first customer.

Background work

Queues and async jobs designed in, so growth does not stall the request path.

03

Web Applications

Customer portals and business operations software, built responsive and accessible. The same application serves your staff on a warehouse terminal and your customers on a phone.

One application

Staff terminal, customer portal and public site, backed by a single API rather than three builds.

Responsive by default

Phones and low-end devices are a design constraint on every layout, not a retrofit.

Accessible

Semantic markup and keyboard paths, because staff use these systems all day.

04

APIs & Integrations

Payment integrations including M-Pesa, third-party services and enterprise system integrations that keep data consistent across your tools. Integrations are designed with their failure modes, not just their happy path.

Payment integrations carry real engineering risk. We write about the controls that matter in Building Secure Payment Integrations — verification, reconciliation and idempotent processing.

05

System Modernization

Improving legacy applications step by step — architecture, security and maintainability — without stopping the business. We modernize in slices that each deliver value, so the system keeps running throughout.

Legacy system

  1. Legacy application
  2. Old database
  3. Manual deployments
  4. Security gaps

Modernized system

  1. Modern API
  2. Secure data layer
  3. CI/CD pipeline
  4. Tested releases
06

Cloud & DevOps

Deployment automation, containers, CI/CD pipelines and cloud infrastructure that make releases routine instead of risky. The same pipeline that runs the tests runs the security scans.

One pipeline

Tests and security scans run in the same pipeline, so a release is never greener than the checks behind it.

Containers

Consistent runtime behaviour from a developer laptop to production.

Routine releases

Small, frequent, reversible changes instead of infrequent risky ones.

Secure development lifecycle

Built secure from the first commit

Security is a stage in the way we work, not an audit we run at the end — and it is the reason the same team can build and secure the system. How we do security.

01

Requirements

02

Threat model

03

Secure design

04

Secure code

05

Code review

06

Security testing

07

Release

08

Monitor

How we work

Engineering with security built in

Business first

Technology follows the real workflow. We start from the operational problem rather than the feature list.

Secure by design

Security starts before code is written, in the threat model and the design, not after launch.

Built to evolve

Architecture that can grow with the business — modular, documented and maintainable by your team.

Have a system to build or modernize?

Tell us what you are trying to solve. We will map it to a first release you can put in front of real users — with security designed in from the start.