Interview Questions & Answers

Core language, data model, standard library and idioms.

Language, collections, concurrency, JVM and Spring.

Closures, prototypes, async, the event loop and ES features.

Types, generics, narrowing and configuration.

C# language, CLR, ASP.NET and Entity Framework.

Object modelling, SOLID, complexity and core structures.

Components, hooks, state, rendering and performance.

Modules, DI, RxJS, change detection and routing.

Event loop, streams, modules, Express and deployment.

Layout, specificity, flexbox, grid and responsive design.

Research, wireframing, usability, accessibility and design systems.

Queries, joins, indexes, transactions and normalisation.

Oracle architecture, PL/SQL blocks, cursors and tuning.

Documents, aggregation, indexing, replication and sharding.

Vendor-neutral cloud: service models, regions, shared responsibility and cost.

EC2, S3, VPC, IAM and the services every AWS interview returns to.

Virtual Machines, Blob Storage, Entra ID and the Azure resource model.

CI/CD, Docker, Kubernetes, Git and observability.

Tokenisation, POS tagging, parsing, named entities, embeddings and text classification.

Transformers, prompting, RAG, fine-tuning and evaluation.

Supervised and unsupervised learning, metrics and model selection.

Statistics, experiment design, feature work and communication.

Pipelines, warehousing, streaming and orchestration.

Scalability, microservices, caching, queues and trade-offs.

Test strategy, automation, coverage and quality gates.

ABAP language, dictionary, reports and enhancements.

System administration, transports, users and monitoring.

In-memory architecture, modelling and performance.

Sales and distribution: orders, pricing, deliveries and billing.

Materials management: procurement, inventory and valuation.

Financial accounting and controlling configuration.

Data warehousing, InfoProviders, extraction and reporting.