Java, BigQuery, Hive, Spark, Python, Linux systems

Algorithms, Software Development, Machine Learning, Storage, Networks, Distributed Systems, Debugging, data structures, compute technologies, Search and information retrieval, Data Processing, fine tuning, model deployment, large-scale infrastructure, model evaluation, distributed machine learning, Hardware Architecture

Nvme, Performance Tuning, Ceph, automation, file NFS, tiered storage, distributed storage systems, Disaster Recovery, IaC, Monitoring, data durability, Capacity Planning, CI/CD pipelines

Golang, PostgreSQL, AWS Fargate, Dropwizard, Terraform, Docker, Distributed Systems, MySQL, Java, multi-threading, Redis, Spring, Jenkins, Restful Apis, Kubernetes, asynchronous processing, OAuth 2.0, GitHub Actions, JWT tokens, gRPC services, CI/CD automation tools, ArgoCD, Infrastructure-as-Code, OIDC

containerization , Scalability, Fault Tolerance, modern development tools and frameworks, system performance, observability, cloud-native development

C, Debugging, Tls, Python, Kernel, Ipsec, C++, Ike, Cryptography, Ssh, Pki, full-disk encryption, Linux kernel internals, system-level security engineering, Secure boot, Tpm, TPM2.0 device integration, Hardware Root of Trust, fips, NIAP CC, CIS, Security Protocols, OS security, Performance Analysis

multi-threading, MVVM, Objective-c, Concurrent Programming, Json, Coredata, Memory Management, Uikit, Mvc Architecture, Restful Apis, Swift, performance profiling and analysis, building regression suites, building frameworks and tools for native iOS performance tracking and analysis, SwiftUI, offline available application experiences, Xcode studio profiling tools, performance optimization, synthetic performance regression testing

Java, Hadoop, Scala, Kafka, Yarn, Mapreduce, Hive, Presto, Spark, Distributed Systems, Python, orc, Go, HDFS, Iceberg, Backend Systems Infrastructure

API security, Logging, Microservices, Docker, Distributed Systems, Authentication, AWS, Node.js, Redis, Fault Tolerance, Kubernetes, idempotency, observability practices, Go, cloud-native deployments, asynchronous processing, CI CD, alerting, Relational Databases, Authorization, tracing, backend security, message queues, HTTP REST APIs, NoSQL databases, event-driven systems, Monitoring, retries, Caching, rate limiting, concurrency control