Renier (Reece) Botes

Senior Software Engineer, Technical Leader, Systems Architect with over 25 years of experience building and delivering high-performance, enterprise-grade systems. I specialise in Java and AWS Cloud Architecture, with a proven track record of migrating complex legacy monoliths to 100% serverless, cloud-native microservices. Throughout my career as a CTO and Technical Lead, I have built and managed large-scale transactional platforms, including systems for major retail and fintech players. My expertise extends to deep hardware-software integration, including NFC fare media for public transport systems, unattended kiosk solutions and retail point of sales systems and payment solutions. Currently, I provide high-level technical consulting and bespoke mobile and cloud-native development through Lightning Fields and lead the technical vision for TradeRings Corp. I am passionate about modern DevOps practices, Infrastructure as Code (IaC), and building secure, scalable architecture. Core Expertise: • Backend Development: Java, Spring, Quarkus, Dart, TypeScript • Cloud Architecture: Expert-level AWS (SAM, Lambda, DynamoDB, CloudFormation, SQS, SNS, API Gateway and related) • DevOps & CI/CD: AWS CodeBuild, CodePipeline, CodeArtifact, Git • Frontend - Mobile & Web: Flutter, Vaadin, JavaScript, TypeScript • Security: ISO 27001, EMV & PCI Certifications