Tadiwanashe C.

Full Stack Developer | SaaS Architect |AI Automation Expert

🚀 7+ Years Experience in: 🌟 SaaS Architecture & Multi-Tenant Systems 🌟 Web & Mobile (PWA) Development 🌟 AI Automations, RAG & Chatbots (Voiceflow, Botpress) 🌟 Workflow Automation (n8n, Make) & Data Scraping 🌟 API & Payment Integrations 🌟 Agile Project Management | Scrum Master Delivering Secure, Scalable, and Innovative Solutions for Businesses and Startups Are you a business owner seeking a software engineer to build robust, scalable systems? Or perhaps you're a startup founder needing to transform your vision into a minimum viable product (MVP)? I specialize in crafting end-to-end software solutions that meet your unique needs, from development to cloud deployment, advanced AI workflow automations, and complex API integrations. With over 7 years of experience in software development, I have a proven track record of driving mission-critical projects across diverse domains, including FinTech, AI, Automation, and DevOps. My expertise spans both backend and frontend technologies, ensuring seamless integration, dynamic interactions, and exceptional user experiences. Key Skills: ✔️ Full Stack Development: Proficient in NodeJS (Express), ReactJS, Python, and .NET C# to build highly interactive web applications and mobile-first Progressive Web Apps (PWAs) with a modern, swipable feel. ✔️ SaaS Architect: Designed and implemented cloud-based SaaS systems, integrating secure multi-tenant architecture and consolidated microservices for various businesses. ✔️ AI & Automation: Expert in building intelligent workflows using n8n and Make, implementing RAG (Retrieval-Augmented Generation), and developing advanced AI chatbots with Voiceflow and Botpress. ✔️ API & Payment Gateway Integrations: Extensive experience unifying complex third-party systems and centralizing multi-currency payment architectures (including regional channels like Ecocash, Zimswitch, Innbucks, Omari, and international gateways like Peach Payments). ✔️ DevOps & CI/CD: Streamlined software development lifecycles with AWS, Azure, Docker, Kubernetes, and CI/CD pipelines. ✔️ Cybersecurity: Ensured secure code implementation following industry best practices, utilizing my degree in Information Security. What I Offer: • Custom SaaS Solutions: Whether you're building from scratch or need an upgrade, I can develop and deploy multi-tenant platforms tailored to your business goals. • Seamless Integrations & Payments: Secure and reliable integration of specialized enterprise applications and unified payment gateways to handle multiple regional and international channels. • AI-Powered Automations: Implement custom AI logic, robust lead scoring engines, and automated workflows to streamline operations and improve efficiency without writing unnecessary code. • Mobile & Web Applications: Full-cycle development, from backend architecture leveraging JSON-based data structures to user-centric frontend design, using React Native, Expo, and NextJS. • System Audits & Optimizations: I can audit your existing systems, identify performance bottlenecks, and optimize for scalability and security. Recent Projects: • Cloud-Based SaaS POS & Payment Gateway: Developed a multi-tenant point-of-sale system with fiscalization integration for compliance with the Zimbabwean tax authority, alongside a centralized architecture to manage multiple local payment files. • AI Lead Scoring & Chatbots: Architected the AULIA Qualification Engine—a multi-tenant system utilizing Voiceflow and custom middleware for dynamic brand adaptation and CRM routing. • AI Educational SaaS: Designed an interactive, gamified learning platform powered by RAG, OpenRouter API, and consolidated Express services. • Trading Platform MVP: Built an MVP for a stock trading platform for the Zimbabwe Stock Exchange, incorporating FIX and FAST protocols for real-time trading. • Automation Tools: Created ETL pipelines, social media messaging gateways, and robust no-code workflows using n8n to accelerate business processes. • Care App SaaS: Assisted care homes in the UK to manage their service users and carers' operations. Let's Build Something Great I bring passion, technical expertise, and a deep understanding of business needs to every project. Whether you're looking to launch a new product or optimize an existing system, I’m here to help. Get in touch today for a free consultation, and let’s turn your ideas into reality! Tech Stack: • Frontend: ReactJS, NextJS, HTML5, CSS3, PWA • Backend: NodeJS, Express, Python, .NET C#, Spring Boot • Mobile: React Native, Expo • Databases: MySQL, MongoDB, MSSQL, POSTgresql • DevOps Tools: Docker, Kubernetes, AWS, Azure, CI/CD, Redis, RabbitMQ • Automation & AI: n8n, Make, Voiceflow, Botpress, Puppeteer, PlayWright Certifications: • Big Data with Hadoop & Spark - Data Flair • Java Certification - Data Flair • SQL for Data Analytics - Udemy