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JDA TSG Interview Questions

The questions to prepare for JDA TSG interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
System DesignStart here. 3 questions · ~28 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingJJDA TSG
Design an Agent System for a Multi-System WorkflowHard

Design an agent that investigates, summarizes, and executes work across four to five independent systems.

agent workflowsbackend integrationagent designJJDA TSG
LLM Setup and ArchitectureHard

Design an end-to-end LLM system covering model hosting, retrieval, serving, evaluation, and operational failure handling.

inference latencyml inferencellmJJDA TSG
2
Behavioral & Leadership6 questions · ~56 min
Resolving a High-Stakes Technical ProblemEasy

Tests ownership and judgment in solving a difficult technical problem under ambiguity, including prioritization, communication, and measurable results.

OwnershipDealing With AmbiguityJJDA TSG
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3
More topics4 questions · ~37 min
Cosine Similarity Vector SearchMedium
Practice

Rank document vectors against a query using cosine similarity and return the top matching indices.

Vector Searchcoding challengeJJDA TSG
RAG to Reduce HallucinationsHard

Design a high-throughput RAG pipeline that grounds answers, detects unsupported claims, and balances quality, latency, and cost.

Vector SearchHallucinationRAGJJDA TSG
LLM Accuracy and Safety EvaluationHard

Design an evaluation framework that measures both LLM answer quality and harmful or unsafe behavior.

evaluation metricssafetyAccuracyJJDA TSG
Metrics for Generative ModelsHard

Select and justify metrics for evaluating a generative model across quality, relevance, diversity, safety, and human preference.

performance evaluationevaluation metricsPrecisionJJDA TSG

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