There are several services (three), and you need to add new functionality that affects all three. What are your actions, and what should you pay attention to?
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219
System Analyst
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The tester found a defect: duplicate records from external integration started appearing (two identical records with different keys). How to investigate the problem and what to do?
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213
Tell us about your experience. What exactly did you do, and what were the most interesting and challenging tasks?
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206
How to define the boundaries of a microservice? What methodologies can be used for partitioning?
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206
What artifacts did you create in the MVideo project?
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197
Is it always necessary to release a new version of the API when making changes? What are the disadvantages of API versioning and what are the alternatives?
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195
Describe the process of working with a new integration.
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191
What is the name and how is the cross-DB transaction mechanism implemented in distributed systems?
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191
Why did you decide to move from development to analytics?
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175
How was the problem of multiple services requiring access to a single entity solved? How was consistency ensured during temporary desynchronization?
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167
What is the situation called when rollback is not provided and what can happen?
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165
During the task analysis, the need for additional integration with a related system outside the stream was identified. What are your steps?
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158
A user accidentally clicked the 'Generate Order' button twice. How to avoid duplication?
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157
How do you react when you need to continue working while approvals are ongoing for a blocked task?
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152
A developer comes and says that the task needs to be done differently. What are your actions?
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151
A client comes directly to you with a task — evaluate and take it on. What do you do?
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151
Describe your workflow: how do you work with the business, and to what stage do you lead the task?
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143