Java, Data Structures And Algorithms, Kotlin, Android Application Development, Server-side API design and integration, NFC contactless payments, Digital credentials, Large-scale application design and architecture

Java, Golang, CSS, HTML, Typescript, Javascript, Python, data analysis tools, bidding models, ads buying platforms, retrieval systems, large-scale distributed systems, performance diagnosis, Optimization, campaign automation

Java, Mq, Vue, PostgreSQL, Spring Boot, Kafka, Angular, Microservices, React, MySQL, Rest Apis, Oracle

Java, MVVM, Json, Kotlin, Git, Android Studio, Debugging, Android SDK, Rest Apis, logging tools, mobile application security principles, Jetpack components, DevOps practices, cloud platforms, Agile delivery methodologies, L3 application support, secure coding practices, CI CD pipelines, Troubleshooting, performance optimization

Java, Express, Vue, Agile Methodologies, PostgreSQL, Spring Boot, Node.js, Mssql, Sql, Angular, Nosql, React, Typescript, Javascript, DevSecOps, MongoDB, FastAPI, Python, software engineering fundamentals, Next.js, full-stack development

secure coding , Java, PostgreSQL, Automated Testing, Mssql, Microservices, Angular, Devops, React, Typescript, DevSecOps, Docker, Restful Apis, Oracle, Kubernetes, Next.js, Infrastructure-as-Code, Git-based workflows