XpressBees Senior Engineer Interview Questions and Answers

Easy questions

Q1. More depth, Product related questions
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Manegerial round

Common pattern questions

1-For Mendix They gave 6 section
2-MCQ question
3-40 minutes
4-If you are aware of Mendix basic concepts, it is easy

Q1. What you did on project
Ans. 
I worked on a project to develop a new mobile app for a retail company.
• Led a team of developers to design and develop the app

• Collaborated with the UX team to ensure a seamless user experience

• Implemented new features such as in-app purchases and push notifications

• Conducted testing and debugging to ensure app functionality

• Successfully launched the app on both iOS and Android platforms
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Q2. Types of entity in Mendix
Ans. 
Mendix has three types of entities: persistent, non-persistent, and microflow.
• Persistent entities are stored in the database and have a unique identifier.

• Non-persistent entities are not stored in the database and are used for temporary data.

• Microflow entities are used to define the input and output parameters of a microflow.

• Entities can have attributes, associations, and validations.

• Examples of entities include Custome
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Q3. Definition of Types of entity
Ans. 
Types of entity refer to the different categories of objects or concepts that can be represented in a system or model.
• Entities can be physical objects, such as people or buildings, or abstract concepts, such as ideas or relationships.

• Entities can be further classified as unique or non-unique, depending on whether there can be multiple instances of the same entity.

• Examples of entities include customers, products, orders
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Q4. Difference between microflow flow and nano flow
Ans. 
Microflow is a flow with a rate of 1-1000 µL/min while nano flow is a flow with a rate of 1-1000 nL/min.
• Microflow is used in HPLC and capillary electrophoresis while nano flow is used in nano-LC and proteomics.

• Microflow requires larger sample volumes while nano flow requires smaller sample volumes.

• Microflow has lower sensitivity compared to nano flow.
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Q5. Calling Rest API steps
Ans. 
To call a REST API, first identify the endpoint and required parameters. Then use a HTTP client library to send a request.
• Identify the endpoint and required parameters

• Choose a HTTP client library (e.g. Axios, Fetch)

• Send a request with the appropriate HTTP method (e.g. GET, POST)

• Handle the response and any errors

• Example: axios.get('https://api.example.com/data', {params: {id: 123}})

• Example: fetch('https://api.example.co
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Q6. Questions on work flow
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Q7. Questions on steps of Deployment
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Q8. Question on Steps of UI changes
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Q1. More or less like first round
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Q1. I was given use case, customer are ordering items then company representative have to manage records of orders, returns etc and by EOD need to send report to manager
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Q2. How you are going to implement in Mendix
Ans. 
I will implement in Mendix by following best practices and utilizing its features to build scalable and efficient solutions.
• Identify the requirements and design the solution using Mendix Studio or Studio Pro

• Leverage Mendix's built-in modules and widgets to reduce development time

• Use microflows and nanoflows to implement business logic

• Integrate with external systems using Mendix's connectors and APIs

• Perform testing and ...read more
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Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and expectations of the role.
• I am flexible and open to negotiation

• I am looking for fair compensation based on my experience and skills

• I am interested in discussing the full compensation package, including benefits and bonuses
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Q2. What is your family background?
Ans. 
My family background is diverse and multicultural.
• My parents are from different countries and cultures.

• I grew up speaking multiple languages at home.

• My family values education and hard work.

• We prioritize spending time together and supporting each other.

• My siblings and I have pursued different career paths, but we all share a passion for learning and personal growth.
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
Ans. 
Looking for new challenges and opportunities to grow professionally.
• Seeking a more challenging role

• Desire to learn new skills and technologies

• Opportunity for career advancement

• Company culture or values not aligned with personal values

• Geographical relocation

• Better compensation or benefits package
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Q5. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving, attention to detail, and teamwork. My weaknesses include public speaking and time management.
• Strengths: problem-solving, attention to detail, teamwork

• Weaknesses: public speaking, time management

• Strength: I am able to analyze complex problems and come up with effective solutions

• Strength: I pay close attention to details and ensure that my work is accurate

• Strength: I work well in a t...read more
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Q6. Tell me about yourself.
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1. 20 aptitude questions
2. 20 react MCQ
3. 2 coding questions.

Q1. Forward reference, react memo and many more
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Q1. Set and map, react pure components.
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