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Intermediate~3h

LLM Internals: Transformers to Inference in GenAI EngineeringInterview Readiness Check

Transformer architecture from first principles — attention heads, positional encoding, residual streams, MLP layers. How pretraining, SFT, and RLHF shape model behaviour. Inference: batching, KV cache, speculative decoding, quantisation. What every AI engineer must be able to explain in an interview without hand-waving..

transformerattentionKV cachepretrainingSFTRLHFspeculative decodingquantisationinference

Learning path

The GenAI Engineer's Landscape→LLM Internals: Transformers to Inference ← you are here→Advanced Prompt Engineering & System Prompts

What this module tests

  • Conceptual understanding of llm internals: transformers to inference fundamentals
  • Trade-offs and design decisions in real system scenarios
  • transformer and attention — applied knowledge
  • Interview-style reasoning and explanation quality

Free to start

Take the LLM Internals: Transformers to Inference check →

10 questions · Dimension scoring · AI coach feedback · Shareable result

Test your knowledge — free →

No credit card · Takes 10–15 min

Frequently asked questions

What does the LLM Internals: Transformers to Inference check test?
The check covers transformer architecture from first principles — attention heads, positional encoding, residual streams, mlp layers. how pretraining, sft, and rlhf shape model behaviour. inference: batching, kv cache, speculative decoding, quantisation. what every ai engineer must be able to explain in an interview without hand-waving.. Questions span beginner to advanced difficulty and test both conceptual understanding and practical trade-off reasoning.
What keywords should I know for LLM Internals: Transformers to Inference?
Key concepts include: transformer, attention, KV cache, pretraining, SFT, RLHF, speculative decoding, quantisation, inference. These frequently appear in genai engineering interviews at product and infrastructure companies.
How many questions are in the check?
Each check has 10 questions — a mix of MCQ and short-answer. You get scored by dimension (e.g., scalability, consistency) so you know exactly where to focus.
How long does it take to study LLM Internals: Transformers to Inference?
Most engineers spend around 3 hours on this module. The check itself takes about 10–15 minutes. You can retake it up to 3 times per day.
What prerequisite knowledge do I need before LLM Internals: Transformers to Inference?
LLM Internals: Transformers to Inference builds on The GenAI Engineer's Landscape. Complete those first for the best results.
Is transformer, attention, KV cache covered?
Yes. The LLM Internals: Transformers to Inference module covers transformer, attention, KV cache among other key concepts. The check includes questions that reflect real genai engineering interview patterns.

What this unlocks