Tinotenda Joe

Tinotenda Joe

Backend-heavy Full-stack Systems Developer | Experienced in building scalable systems across FinTech, Healthcare, Education and Commerce

Work Experience

FinTech & Payment Systems

~ Full-stack Developer

Specialized in building financial technology solutions, payment gateways, and banking integrations

~ Engineered secure payout systems and integrated payment gateways for competitive trivia platform with real-time transaction processing.
  • Payout System Integration
  • Payment Gateway Integration
  • Transaction Processing
Node.jsPaystackWebSocketsRedis
~ Developed a comprehensive betting platform with direct bank integration, EFT payments, mobile wallet payments, and real-time cashout functionality. Processed $50K+ in transactions with 99.9% uptime and sub-200ms response times.
  • Bank API Integration
  • EFT Payments
  • Mobile Wallet Payments
  • Real-time Transactions
  • High-Performance Architecture
Convex DBtRPCTypeScriptBank APIsEFT IntegrationWebSockets
~ Implemented secure payment gateways for virtual healthcare platform with PHIPA compliance and real-time payment processing.
  • Secure Payment Processing
  • PHIPA Compliance
  • Real-time Payments
Node.jsTypeScriptStripeWebRTC
~ Built comprehensive accounting software with PLAIN bank integration, cashbooks, financial statements, and automated reconciliation. Features EFT payments, ECOCASH integration, and Hono API architecture for seamless financial management.
  • PLAIN Bank Integration
  • Cashbooks Management
  • Financial Statements
  • Automated Reconciliation
  • EFT Payments
  • ECOCASH Integration
Next.jsPLAINStripeHonoPostgreSQLTypeScript
~ Built comprehensive invoicing and billing system for Community Pharmacists Association serving 800+ pharmacists with automated payment processing and financial reporting. Reduced manual billing time by 85% and improved payment collection rates by 40%.
  • Payment Processing
  • Financial Reporting
  • Automated Billing
  • Performance Optimization
Node.jsStripePostgreSQLRedis

Education & Learning Management

~ Full-stack Developer

Expertise in building comprehensive educational platforms, learning management systems, and school management solutions

~ Built comprehensive school management system with full accounting module, HR management, student management, and online learning platform featuring video streaming and real-time communication.
  • School Management
  • Accounting Module
  • HR Management
  • Online Learning
  • Video Streaming
  • Real-time Communication
Next.jsPostgreSQLMuxClerk AuthStream.ioHonoTypeScript
~ Developed school management system for Ascot Christian College with integrated accounting, student records, and administrative modules featuring real-time communication and video capabilities.
  • Student Records Management
  • Financial Management
  • Administrative Dashboard
  • Real-time Communication
  • Video Integration
Next.jsPostgreSQLMuxClerk AuthStream.ioHonoTypeScript
~ Built comprehensive driving test platform with ECOCASH integration, mobile wallet payments, live exams, video lessons, and practice tests for driving license preparation.
  • Live Exam System
  • ECOCASH Integration
  • Mobile Wallet Integration
  • Video Learning Platform
  • Payment Processing
Next.jsNode.jsWebRTCECOCASH APIMobile Payment APIs
~ Built microservices-based learning platform for pharmacists with payment processing, video streaming, and access control.
  • Learning Management
  • Video Streaming
  • Payment Processing
  • Access Control
Next.jsStripeMux APITypeScriptRedis
~ Developed backend services including payment gateways, user authentication, and role-based access control for learning management system.
  • LMS Backend
  • Payment Integration
  • Authentication
  • Role-Based Access
Node.jsTypeScriptClerkRazorpay
~ Created comprehensive educational system with student registry, finance management, asset management, and advanced analytics for Harare Institute of Public Health.
  • Student Registry
  • Finance Module
  • Asset Management
  • Advanced Analytics
  • Real-time Reporting
Next.jsDrizzleHono APIPostgreSQLRedisTypeScript
~ Developed separate learning management system for HIPH with course management, student tracking, and educational content delivery.
  • Learning Management
  • Course Management
  • Student Tracking
  • Content Delivery
Next.jsPostgreSQLTypeScriptHono API

Healthcare & Public Health

~ Full-stack Developer

Specialized in healthcare technology solutions, public health systems, and medical data management

~ Developed comprehensive virtual healthcare platform with authentication flows, TapType integration for PHIPA-compliant patient data management, and real-time video consultations.
  • Virtual Healthcare
  • PHIPA Compliance
  • Video Consultations
  • Patient Data Management
Node.jsTypeScriptTapType APIStripeWebRTC
~ Developed core health tech infrastructure enabling system interoperability and secure data exchange across healthcare platforms.
  • Health Tech Infrastructure
  • System Interoperability
  • Secure Data Exchange
MySQLNode.jsRESTful MiddlewareSaaSIaaS
~ Implemented AI-driven solutions for advanced health data management and automated patient care workflows with intelligent data processing.
  • AI Health Data Management
  • Patient Records Automation
  • Intelligent Processing
OpenAILangchainVercel SDKPineconePostgreSQL
~ Designed and implemented real-time disease tracking system with multi-channel integrations (SMS, WhatsApp) for rapid public health response.
  • Real-time Disease Surveillance
  • Multi-channel Integration
  • Public Health Response
Next.jsNode.jsRustTypeScript
~ Pioneered blockchain-based ledger for pharmaceutical supply chain transparency, ensuring traceability and compliance across the supply chain.
  • Blockchain Development
  • Supply Chain Transparency
  • Compliance Tracking
BlockchainSolidity

E-commerce & Multi-vendor Platforms

~ Full-stack Developer

Expertise in building scalable e-commerce platforms, multi-vendor systems, and marketplace solutions

~ Built comprehensive multi-vendor e-commerce platform with ECOCASH integration, bank API integration, AI-powered delivery optimization, and essential e-commerce features.
  • Multi-vendor Platform
  • ECOCASH Integration
  • Bank API Integration
  • AI Delivery Optimization
  • E-commerce Features
Next.jsNode.jsECOCASH APIBank APIsAI/MLPostgreSQL
~ Developed dynamic search algorithm with type-safe filtering, custom authentication with 2FA, and real-time product filtering for enhanced shopping experience.
  • Dynamic Search Algorithm
  • Custom Authentication
  • Real-time Filtering
Node.jsTypeScriptPostgreSQL
~ Architected multi-tenant e-commerce system with distributed caching, reducing API latency by 70% and integrating geospatial services.
  • Multi-tenant Architecture
  • Distributed Caching
  • API Optimization
  • Geospatial Services
Node.jsRedisShopify APIGoogle Maps APIDocker
~ Built comprehensive inventory management system with real-time stock synchronization across 6 pharmacy locations.
  • Inventory Management
  • Real-time Synchronization
  • Multi-location Support
Node.jsPostgreSQLRedisRabbitMQDocker

Mobile Applications

~ Full-stack Developer

Specialized in mobile app development with backend API integration and cross-platform solutions

~ Developed iOS mobile application with comprehensive backend API integration for task management and productivity solutions using modern real-time architecture.
  • iOS Development
  • Backend API Integration
  • Task Management
  • Real-time Synchronization
iOSSwiftConvex DBtRPCTypeScript
~ Built scalable backend API infrastructure supporting mobile application with authentication, data synchronization, and real-time updates using modern backend technologies.
  • Backend API Development
  • Authentication
  • Real-time Synchronization
  • Type-safe APIs
Convex DBtRPCTypeScriptReal-time Database
~ Developed intelligent chatbot for Community Pharmacists Association powered by Convex database and Twilio integration for automated customer support and information delivery.
  • AI Chatbot Development
  • Twilio Integration
  • Real-time Messaging
  • Customer Support Automation
Convex DBTwilioTypeScriptOpenAIAI/ML

Other Projects & Platforms

~ Full-stack Developer

Diverse portfolio including real estate platforms, content management systems, and specialized web applications

~ Developed geolocation-enabled rental search system with streamlined booking processes and direct-to-mail integrations for user convenience.
  • Geolocation Integration
  • Booking Workflow
  • Property Management
Node.jsTypeScriptGoogle Maps API
~ Built high-performance news delivery platform with content delivery network, edge caching, and search optimization.
  • Content Delivery Network
  • Edge Caching
  • Search Optimization
Next.jsNode.jsSanity CMSRedisElasticsearch
~ Designed and deployed responsive dynamic web application using serverless architecture for pharmaceutical symposium management.
  • Web Development
  • Database Management
  • Serverless Architecture
Next.jsVercel SDK
~ Developed comprehensive task and project management system with role-based allocation, dynamic Kanban boards, and milestone tracking.
  • Project Management
  • Task Allocation
  • Kanban Boards
  • Milestone Tracking
Appwrite DBReactNode.jsTypeScript
~ Crafted comprehensive developer-friendly API documentation to enhance implementation and onboarding experiences.
  • API Documentation
  • Developer Experience
  • Technical Writing
MDbookRESTful APIs

Technical Skills

Frontend Development

  • Expert in React, Next.js, TypeScript, and modern JavaScript frameworks
  • Proficient in responsive design, CSS-in-JS, and component architecture
  • Experience with state management (Redux, Zustand) and testing frameworks

Backend Development

  • Strong expertise in Node.js, Express, and serverless architectures
  • Proficient in API design, microservices, and database optimization
  • Experience with real-time systems using WebSockets and Convex DB

Database & Cloud

  • Expert in PostgreSQL, Redis, and Convex DB for real-time applications
  • Proficient in cloud platforms (Vercel, AWS, Azure) and containerization
  • Experience with database design, optimization, and migration strategies

Payment & FinTech

  • Specialized in payment gateway integration (Stripe, ECOCASH, Bank APIs)
  • Experience with EFT payments, mobile wallets, and financial systems
  • Proficient in secure payment processing and compliance (PHIPA)

Mobile Development

  • iOS development with Swift and cross-platform solutions
  • Experience with mobile payment integration and real-time synchronization
  • Proficient in mobile app architecture and backend API integration

DevOps & Tools

  • Proficient in Docker, CI/CD pipelines, and deployment automation
  • Experience with version control, testing frameworks, and code quality tools
  • Strong knowledge of monitoring, logging, and performance optimization

AI & Database Technologies

  • Expert in PostgreSQL for complex data modeling and optimization
  • Proficient in OpenAI integration for AI-powered applications and chatbots
  • Experience with Claude AI for advanced language processing and automation
  • Skilled in Cursor for enhanced development productivity and code assistance

Other Experience

Programming Master Class

~ Instructor

Led a comprehensive course on web development and blockchain smart contract development. Designed and delivered curriculum from fundamentals to advanced concepts, focusing on practical skills for the tech industry.

  • Web Development
  • Blockchain & Smart Contract Development
  • Curriculum Design
  • Technical Training

Full-Stack Development Consulting

~ Independent Consultant

Provided end-to-end development consulting services across multiple industries including FinTech, Healthcare, Education, and E-commerce. Specialized in building scalable solutions with modern technologies.

  • Technical Consulting
  • System Architecture
  • Full-Stack Development
  • Industry Solutions

Additional Projects

Showcasing expertise in modern web technologies through diverse, impactful projects.

Supply Chain Ledger

Landing page for blockchain-based supply chain management solution demonstrating Web3 integration and smart contract development.

Next.js, Web3.js, Solidity
Web Scraping Tool

Efficient web scraping application demonstrating backend integration and data extraction capabilities.

Next.js, Node.js