Athenahealth Technology Interview Questions and Answers

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
Ans. 
A HashMap is a data structure that stores key-value pairs for efficient data retrieval.
• HashMap allows O(1) average time complexity for insertions and lookups.

• It uses a hash function to compute an index for storing values.

• Example: Storing user IDs as keys and user information as values.

• Hash collisions are handled using techniques like chaining or open addressing.

• HashMap is not synchronized, making it unsuitable for mult...read more
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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. Coding to find the excel column name using given number
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Q2. Streams program to find the numbers divisible by2
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Q3. Synchronized block and method, use of lock in method
Ans. 
Synchronized block and method are used in Java to control access to shared resources using locks.
• Synchronized block allows locking on a specific object instance or class

• Synchronized method locks on the object instance

• Locks prevent multiple threads from accessing the synchronized code simultaneously
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Q4. Rest api validation
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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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Self introduction and DSA on hackerrank with shared access between interviewer and interviewee.
1. Valid paraenthesis
2. Two sum (2 different methods)

Q1. Questions on resume and past internship experiences
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Q2. Design car class and add functionality to it as per the requirements of the interviewer.
Ans. 
A Car class with attributes and methods for functionality like starting, stopping, and tracking mileage.
• Attributes: make, model, year, color, mileage.

• Methods: start(), stop(), drive(distance), getMileage().

• Example: car.start() to start the engine.

• Example: car.drive(50) to drive 50 miles and update mileage.

• Example: car.getMileage() returns the current mileage.
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Q1. Questions on Resume only.
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Q2. Internship experience deep dive
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Q1. Based on the resume
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Q2. As an Integration analyst, what will you do?
Ans. 
As an Integration analyst, I will be responsible for designing, implementing, and maintaining data integration solutions to ensure seamless communication between different systems.
• Designing data integration solutions to connect various systems and applications

• Implementing integration processes using tools like MuleSoft, Dell Boomi, or Informatica

• Monitoring and troubleshooting data integration issues to ensure smooth op...read more
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Q3. Explain your current roles and responsibilities
Ans. 
I am responsible for analyzing and integrating data from various systems to ensure seamless communication and functionality.
• Analyze data from different systems

• Integrate data to ensure seamless communication

• Troubleshoot and resolve integration issues

• Collaborate with stakeholders to gather requirements

• Develop and maintain integration solutions
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Q4. About HL7 completely (mainly on ORU with all the fields), Message types and events
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Q1. What weaknesses do you consider relevant to your professional development?
Ans. 
I recognize that my attention to detail can sometimes slow down my decision-making process, impacting efficiency.
• I tend to focus heavily on details, which can delay my ability to make quick decisions. For example, in a recent project, I spent extra time double-checking data.

• I sometimes struggle with delegating tasks, as I prefer to ensure everything is done to a high standard. This was evident when I took on too many r...read more
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Q2. What if you don’t get this job
Ans. 
If I don't get this job, I'll reflect on the experience, seek feedback, and continue to grow professionally.
• Reflect on the interview process to identify areas for improvement.

• Seek constructive feedback from the interviewers to understand their perspective.

• Continue to enhance my skills through online courses or certifications relevant to the role.

• Network with professionals in the field to explore other opportunities.

• Sta...read more
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