Technical practice
How would you partition long-running work across thousands of claims?
What to coverThe role calls for distributed systems that process long-running tasks across thousands of claims in parallel. Suggested preparation: explain partitioning, concurrency limits and how you would track progress without losing work.
When would you use asyncio in a Python service?
What to coverThe posting specifically names asyncio, event loops and cooperative multitasking. Suggested preparation: distinguish I/O-bound concurrency from CPU-bound parallelism, and explain how blocking calls can affect an event loop.
How would you choose between a queue and a workflow orchestrator for these tasks?
What to coverThe posting cites queue-based orchestration, including SQS and Step Functions. Suggested preparation: compare how each approach handles task sequencing, long-running work, state and failure recovery without assuming either is required for every task.
How would you make retries safe in a claim-processing service?
What to coverThe role explicitly calls for error handling, retries and idempotent execution. Suggested preparation: explain how you would identify duplicate work, handle partial failures and decide which errors merit a retry.
How would you structure modular Python services that integrate several external systems?
What to coverThe posting names modular APIs, object-oriented design, factories and dependency injection. Suggested preparation: describe service boundaries, replaceable integrations and how those choices support testing and maintenance.
How would you design an API integration involving an LLM API and a vector store?
What to coverThe role includes Python services that interface with external APIs, vector stores and LLM APIs. Suggested preparation: discuss REST and JSON contracts, timeouts, error handling and how you would verify responses before downstream use.
How would you build and release an event-driven service using the AWS services named in the posting?
What to coverThe posting names Lambda, S3, API Gateway, IAM and CI/CD. Suggested preparation: explain the role of each applicable service, permission boundaries and how you would validate and deploy a change safely.
How would you support prompt execution across a long-running workflow?
What to coverThe role involves collaborating on state management, memory, checkpointing and policy-driven routing. Suggested preparation: explain what state would need to persist, when to checkpoint and how routing decisions could be made inspectable and recoverable.
How would you diagnose failures in a serverless workflow?
What to coverThe posting calls for logging, tracing, metrics and production debugging, including CloudWatch. Suggested preparation: identify what you would measure and correlate across services to locate a failed or slow task while limiting noisy logs.
How would you evaluate whether an ML or GenAI component is production-ready?
What to coverMachine learning is the required skill, and the role describes production-ready applications that may use GenAI models. Suggested preparation: discuss evaluation against the application’s intended task, failure cases and the trade-off between model quality and operational reliability.
Behavioural practice
Tell me about a time you coordinated work across engineering and AI stakeholders.
What to coverThe role calls for collaboration with an orchestration lead and an AI team. Suggested preparation: use a real situation, your actions to resolve a dependency or disagreement, and the resulting outcome.
Describe a time you explained a complex technical decision to a diverse audience.
What to coverThe posting emphasizes conveying complex concepts to people with different backgrounds. Suggested preparation: give a real situation, how you adapted the explanation and what the audience was able to decide or do afterward.
Tell me about a time you took ownership of an ambiguous technical problem.
What to coverThe role calls for independent, proactive work in a dynamic environment. Suggested preparation: describe the situation, how you clarified priorities and acted, and the result rather than claiming a particular level of autonomy.
Describe a production-like debugging problem you worked through with others.
What to coverThe posting names production debugging and collaborative work. Suggested preparation: use a real situation to show how you gathered evidence, communicated during the investigation and assessed the result of your actions.