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13 articles tagged Backend - interview prep, system design, and career guidance.
The 40 Go interview questions backend and infra teams actually ask in 2026 - goroutines, channels, interfaces, generics, and the runtime - with direct answers and code.
Go is the language behind Kubernetes, Docker, Terraform, and most modern infrastructure. These 50 questions are the ones actually asked in 2026 backend, infra, and platform interviews - with the answers that get you hired.
Rust hiring is no longer just for browser engines and crypto wallets. AWS, Cloudflare, Discord, Microsoft, and most modern infrastructure startups now run Rust in production. These 50 questions are what they actually ask in 2026.
Redis is in the stack of nearly every backend system in 2026 - cache, queue, rate limiter, leaderboard, pub/sub, session store. Interviewers expect you to know more than 'it's a key-value store.'
PostgreSQL is the default database in 2026. Backend, data, and platform interviews now lean hard on Postgres internals - MVCC, indexes, locking, replication. These 50 questions are what they actually ask.
Node.js still runs the backend at most companies hiring in 2026. These 50 questions cover the event loop, streams, performance, security, and the modern Node 22+ features interviewers actually ask about.
MongoDB is still the most-asked NoSQL database in 2026 backend interviews. These 50 questions cover schema design, indexing, aggregation, replication, sharding, and the modern Atlas-era features.
Microservices interviews in 2026 are less about 'split everything' and more about 'when not to split.' The pendulum has swung. Interviewers want candidates who know the failure modes, not just the buzzwords.
GraphQL didn't go away in 2026 - it consolidated. Federation, persisted queries, and gateway patterns are now table stakes at any company shipping a GraphQL surface. These are the 50 questions interviewers actually ask.
Database interviews stopped being about SQL syntax three years ago. In 2026, interviewers want to know if you can reason about storage engines, isolation, replication, and the trade-offs between Postgres, DynamoDB, and the modern wave of distributed SQL. These 50 questions cover what's actually asked.
Apache Kafka shows up on nearly every backend, platform, and data engineering JD in 2026. These 50 questions cover topics, partitions, consumer groups, exactly-once, and the KRaft-era operational reality.
The 50 Java interview questions that actually get asked - from core fundamentals to Spring Boot, concurrency, and system design. With clear answers and code examples.
Forget obscure SQL trivia. These are the actual SQL questions companies ask in 2026 - from JOINs and window functions to query optimization and real-world scenarios.