Java, C, Javascript, Flutter, Kotlin, hardware integration for POS devices, software quality assurance principles, payment systems architecture, Android Native development

Android Java, Flutter, Software Quality Assurance, Java Programming Language, iOS Swift, DART

S3, Route53, CDK, Lambda, Typescript, Javascript, Ec2, Application Security, AWS, Java, Graphql, Agile Methodologies, Node.js, Kms, Iam, Gitlab, Rest Apis, Elb, Swift, object-oriented design patterns, zero-trust architecture principles, AWS Serverless Architecture, DevOps principles, 12-factor application development principles