Build Rock-Solid Payment & Backend Systems That Just Work

We help startups and SMEs build secure payment integrations, scalable backends, and automations that reduce manual work—delivered by experienced engineers.

What We Do

Three core pillars of reliable system engineering

Payments & Subscriptions

We integrate payment gateways, processors, mobile money, and bank APIs with secure webhooks and admin dashboards.

  • Payment Processors (Paystack, Stripe, Flutterwave)
  • Payment Gateways (MPGS, Cybersource)
  • Mobile Money (M-Pesa, Airtel, MTN)
  • Bank APIs
  • Webhooks
  • Split payments
  • Payouts
  • Subscriptions

Backend Systems

We build production-ready APIs, databases, and infrastructure with authentication, scalability, and reliability in mind.

  • Auth (roles & permissions)
  • Multi-tenant-ready APIs
  • Database design & optimization
  • Caching & performance
  • Queue systems
  • Admin dashboards
  • API design & documentation
  • Microservices
  • Monitoring & logging
  • CI/CD pipelines
  • Dockerized deployments
  • Cloud infrastructure

Automations & Integrations

We connect WhatsApp, email, AI tools, and third-party services to automate workflows and reduce manual work.

  • AI tools integration (OpenAI, Claude)
  • WhatsApp Business API
  • Email & SMS
  • Workflow automation
  • Data pipelines
  • Third-party API integrations
  • Webhook management
  • Scheduled jobs
  • Event-driven systems
  • Internal tools

Ready to build reliable systems?

Book your free 20-minute system audit. We'll identify opportunities and show you exactly how we can help.

Quick response • Expert advice

Why Lineard

We focus on what matters: reliable systems, clear communication, and production-ready code.

Engineering-first approach

Not agencies that outsource. We build in-house with direct control over code quality and architecture.

Production-ready from day one

Every system is built with scalability, security, and maintainability in mind. No shortcuts, no technical debt.

Deep payment expertise

Extensive experience with Paystack, Stripe, mobile money (M-Pesa, Airtel, MTN), and bank APIs. We understand the complexities.

Local market knowledge

Based in Kenya, we understand East African payment methods, regulations, and business needs. No learning curve.

Security & compliance

PCI DSS awareness, secure webhook handling, encrypted data storage, and best practices for financial systems.

Clear communication

Regular updates, transparent timelines, and no technical jargon. You'll always know where your project stands.

Modern tech stack

We use proven, modern technologies that scale. Your system won't be built on outdated foundations.

Cost-effective

Studio pricing without agency markup. You get senior-level engineering without the overhead.

Ongoing support

We don't disappear after launch. We provide maintenance, monitoring, and support to keep your systems running smoothly.

Our Work

Real projects, real results. Here's how we've helped businesses build reliable systems.

CarStrel Screenshot

CarStrel

Built a comprehensive payment and backend system for a car rental platform, integrating Paystack and M-Pesa for seamless payment processing and managing complex booking workflows.

Tech Stack
PaystackM-PesaNode.jsPostgreSQLReact
What We Delivered
  • Payment integrations (Paystack & M-Pesa)
  • Multi-tenant booking system
  • Admin dashboard for fleet management
  • Automated invoice generation
  • Real-time availability tracking
Clyfft Events Screenshot

Clyfft Events

Developed a full-stack event management platform with Paystack and M-Pesa payment processing, ticket management, and automated communications for event organizers.

Tech Stack
PaystackM-PesaNode.jsMongoDBNext.js
What We Delivered
  • Payment integrations (Paystack & M-Pesa)
  • Event ticketing system
  • QR code ticket validation
  • Email & SMS notifications
  • Analytics dashboard for organizers

How We Work

A simple, transparent process that gets results

1

Discovery

We start by understanding your business needs, technical requirements, and goals. This ensures we build exactly what you need.

2

Prototype / Review

We create a prototype or detailed plan for your review. You provide feedback, and we refine until it's perfect.

3

Build & Deliver

Our team builds your system with clean, scalable code. We keep you updated throughout the process with regular check-ins.

4

Test & Deploy

We thoroughly test everything, deploy to production, and provide documentation. Your system is ready to scale.

Ready to build reliable systems?

Book your free 20-minute system audit. We'll identify opportunities and show you exactly how we can help.

Quick response • Expert advice • Free consultation