Brian Machimbira

Full Stack Engineer specializing in secure payment systems, AI solutions, and scalable applications

14+ years building robust applications, payment platforms, and authentication systems. Expert in Native Android and iOS, Go, React, and cloud infrastructure.

Services

Payment Systems
Secure payment infrastructure with escrow capabilities for emerging markets
  • Escrow Payment Processing
  • Fraud Prevention
  • Multi-currency Support
  • Compliance & Security
Mobile App Development
Native iOS and Android applications built with modern frameworks and best practices
  • Native Android (Kotlin/Java)
  • Native iOS (Swift)
  • Mobile DevOps
  • UI/UX Implementation
SDK Development
Custom SDKs that enable seamless integration of complex functionality
  • Authentication Systems
  • Payment Integration
  • Analytics
  • 3rd Party SDKs
Backend Development
Scalable and secure backend services that power modern applications
  • API Development
  • Database Design
  • Cloud Infrastructure
  • Security Implementation
Product Development
End-to-end product development from ideation to market launch
  • Market Research & Analysis
  • MVP Development
  • Product Strategy
  • User Testing & Iteration
Tech Strategy
Strategic technology planning and implementation for business growth
  • Technology Roadmapping
  • Architecture Planning
  • Team Structure & Growth
  • Cost Optimization

Featured Projects

Enterprise Payment Platform
Built a secure payment and escrow platform enabling small businesses to manage transactions safely across emerging markets

Go
React
TypeScript
Vite
shadcn/ui
gorm
gorilla/mux
PostgreSQL
Docker
AI-Powered Content Platform
Developed an content recommendation system using LLMs and vector search for personalized content discovery

Astro
LangChain
Pinecone
OpenAI
TypeScript
Docker
AWS
Fintech Money Transfer Platform
Led development of a cross-border money transfer platform and anti-money laundering system

Kotlin
Retrofit
Java
Docker
MySQL
Social Commerce Video Platform
Built a TikTok-style video feed feature for a European e-commerce platform

Android
Kotlin
Jetpack Compose
GraphQL
ExoPlayer
Mux
Pubnub
Luxury E-commerce App
Native iOS shopping application for high-end fashion retailer

iOS
SwiftUI
Firebase
Fastlane
Financial Services SDK
Authentication SDK enabling secure access across banking applications

Android
iOS
Security
Fastlane
Groovy

Key Achievements

Built an escrow payment platform processing secure transactions across Southern Africa

Led development of mobile SDKs used by companies across Africa and Europe

Architected authentication systems securing millions of user accounts

Developed e-commerce platforms processing $10M+ in annual transactions

Mentored junior developers and led technical teams across multiple projects

Increased user engagement by 20% by building a social commerce video platform

Let's Build Something Great

Looking to build a secure, scalable application? Let's discuss how I can help bring your vision to life.

Get in Touch