Athenahealth Technology Interview Questions, Process, and Tips for Experienced

It was a HackerRank machine-coding test. 1 medium-level question which was based on activity selection problem and I was given 1 hour along with few objectives which were on RDBMS and cloud

The assignment was to design a solution for a parking lot to make it fully automated by utilizing AI to capture vehicle numbers and calculate parking fees based on entry and exit times.

Q1. HashMap based solution, forgot the exact question but it is of low level difficulty
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Q2. Different basic questions on sorting, data structures, and looping to evaluate basic coding skills on java
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Q3. SQL: to evaluate on aggregate functions, query writing efficiency
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Q1. SQL: Evaluation on aggregate functions and complex query processing
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Q2. Java: Count the frequency of characters/words and sort them based on number of occurrences in descending. Ex: "Sharing interview experience certainly helps others." - Return the maximum number of character...read more
Ans. 
Count the frequency of characters/words and sort them based on number of occurrences in descending order.
• Split the input string into individual words

• Create a map to store the frequency of each character/word

• Sort the map based on the number of occurrences in descending order

• Return the maximum number of characters/words along with the number of occurrences
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Q3. General discussion on API design and questions around it.
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Q1. Cultural fit round - to explain about projects I have worked on and questions around it
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Q1. Senior Director discussion: questions around personality and scenario based questions.
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Q2. Senior Architect: Different design patterns used to design a system. Microservices patterns, retry mechanism, bulk head pattern. Generic discussion on designing a system and questions around it
Ans. 
Design patterns such as microservices, retry mechanism, and bulkhead pattern are used to design a system for scalability, fault tolerance, and resilience.
• Microservices pattern involves breaking down a system into smaller, independent services that communicate through APIs.

• Retry mechanism is used to handle transient failures by automatically retrying failed operations.

• Bulkhead pattern isolates different components of a ...read more
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Q1. What are vectors and embeddings, and how do they differ from one another?
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Vectors are mathematical entities representing magnitude and direction; embeddings are dense representations of data in a lower-dimensional space.
• Vectors are typically represented as arrays of numbers, e.g., [1, 2, 3].

• Embeddings are learned representations, often used in NLP, e.g., word embeddings like Word2Vec.

• Vectors can represent any numerical data, while embeddings capture semantic meaning.

• Embeddings reduce dimensi...read more
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Q2. What are multi-modal embeddings?
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Multi-modal embeddings integrate data from various modalities, enhancing representation and understanding of complex information.
• Combine different types of data, such as text, images, and audio.

• Example: A model that uses both text descriptions and images to understand products in e-commerce.

• Facilitates tasks like image captioning, where visual data is paired with textual descriptions.

• Improves performance in tasks like ...read more
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Q1. About my job responsibilities
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Q2. Testing interpersonal skills
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Q1. Interpersonal skills
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Q2. Situation was given and asked questions in that
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Q1. Package details
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3 coding questions, 2 - easy, 1 - medium

Three Dynamic Problem questions

Q1. Asking me about my previous projects
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