billing systems , Algorithms, Software Development, Testing, Software Design, Programming Languages, Distributed Systems, data structures, subscription management best practices, cloud billing architecture, accessible technologies, subscription lifecycle management, financial transaction processing

Embedded custom Linux distribution development management, Linux Security with contribution for integrating fixing the CVE fixes, Ai, Security methods and frameworks in Linux, Version control tools like GIT, Linux userspace environments, Debian Linux, Linux kernel and kernel module development

Spark SQL, Pyspark, SQL Server, Azure Databricks, Azure Sql, ELT, Azure Data Factory, Python, Etl, Azure DevOps, Lakehouse Architecture, Azure Data Lake Storage Gen2, GitHub Actions, Delta Lake

secure coding , Debugging, Kotlin, Android development, Mobile Application Security, Coroutines, Mobile architectures, Android architecture components, Jetpack, experimentation, Data-informed product development, Release best practices

multithreading, MVVM, Objective-c, concurrency, Ios, Coredata, Memory Management, Uikit, Design Patterns, Mvc, Restful Apis, Swift, synchronisation, SwiftUI, industry best practices, development methodologies, offline functionality, software engineering principles, JSON-based services, GraphQL APIs, mobile application lifecycle management, application performance optimisation

Java, Cloud Infrastructure, Cloud networking, Scala, Kafka, Distributed systems design, Go, Flink, Basic systems operations

Java, Networking, Saas, Scala, Python, Service-Oriented Architectures

Http, Sql, BGP, Logging, Rust, Vxlan, C, Golang, Asynchronous programming, Ipv6, Ipsec, Networking Protocols, Kubernetes, Icmp, data structures, state machines, secure communication protocols, type safety, Ip, Gre, threading models, SLOs, tunneling protocols, FoU, distributed task scheduling, SRE principles, mutual-TLS, observability, Geneve