Email: alex@baxter.co.zw | LinkedIn: Alexander Baxter | GitHub: github.com/africanalex
Experienced full-stack developer with a strong background in fintech, blockchain, mobile, and web development. Proven ability to design and implement scalable solutions across diverse platforms and domains.
2022 – 2024
Developed and maintained internet banking solutions, mobile apps with Flutter, and integrated with host systems using SOAP and REST APIs. Worked with Postilion, CI/CD pipelines, Firebase messaging, and developed a high-throughput SMS portal using the SMPP protocol. Led performance optimization efforts to handle increased SMS load and improve reliability.
2014 – 2022
Built web apps and CMS projects using Laravel, WordPress, and Vue.js. Managed servers using WHM and cPanel. Integrated payment gateways and blockchain features using Node.js and Stellar SDKs. Ran a Bitcoin full node. Developed a photo booth on raspberry pi and python/tkinter
Client-side tool for program officers to model decisions with contextual data visualization and simulations.
Implemented secure asset transfers and escrow logic in a fintech platform using Stellar SDK and Firebase Firestore.
Developed side projects using MQTT and Mosquitto for secure, local-network device messaging and automation.
Integrated mutual TLS authentication with Android POS for secure communication with fiscal systems, streamlining tax submissions and compliance.
Built a decentralized crowdfunding system using Stellar where funds are only released if the target cap is met. Leveraged sequence numbers and transaction time bounds to enable automatic refunds if the funding goal was not reached within the deadline.
Kingston University, 2011