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interview

BEHAVIOR QUESTIONS

  1. Please introduce yourself?

Ok, my name is xxx. I am a software engineer with 2 years of professional experience in the tech industry.I graduated from xxx with a degree in Software Engineering, and since then, I have experienced three projects, focusing on backend development and cloud infructure. Over the years, I have become proficient in a range of technologies including Java, Spring-echosystem, and Kubernetes. At the previous project, I played a key role in developing the backend of a xxx. Outside of my work, I’m always exploring new tech trends through open source projects. Recently, I have been diving into system design and clean architecture. I’m eager to learn and using new techs to resolve real problems in my work. Thank you for the opportunity to let me introduce myself. That’s all.

  1. You strength and weakness?

I guess my strength might be Problem Solving and Technical Proficiency. I enjoy resolving tricky bug and designing new feature. I’m committed to continuous learning and staying up-to-date with industry best practices. Oh, my weakness might be Time management. I’am actively working on it.

  1. Why you are interested in the job or why you want to be a backend developer?

I used to playing basketball, I like sports and I want explore a new domain that I have not experienced. I enjoy resolving complicate real problems through programming, I like to design API.

  1. Why you are fitting for the job (try to refer to the skills you have, and the experiences)
  • Relevant Experience: Over the past [X years], I’ve accumulated experience in [specific responsibilities or areas that align with the job]. At my previous role at [Past Company Name], I was responsible for [a task or project that mirrors the job’s requirements], which provided me with valuable insights into [specific aspect of the role].
  • Skillset: I’ve honed my skills in [mention specific skills required for the job, e.g., “data analysis using Python, project management, and customer relationship management”]. These are directly applicable to the tasks and challenges I’d face in this role.
  • Cultural Alignment: I resonate with [Company Name]’s values and mission, especially [a specific value or initiative of the company, e.g., “your commitment to sustainability or your focus on customer-centric solutions”]. I believe that when personal values align with company values, it results in more meaningful and productive work.
  • Continuous Learner: The industry is ever-changing, and I pride myself on staying ahead of the curve by constantly updating my skills and knowledge. This proactive approach means I can bring the latest best practices and insights to this role.
  • Soft Skills: Technical qualifications are crucial, but I also recognize the importance of soft skills like teamwork, communication, and adaptability. My colleagues have often noted my ability to [specific soft skill or quality, e.g., “collaborate on diverse teams, communicate complex ideas simply, or adapt to new challenges with a positive attitude”].
  • Personal Motivation: I am deeply motivated by [specific aspect of the job or industry, e.g., “helping businesses optimize their operations using data” or “building user-friendly software that enhances daily life”]. This intrinsic motivation drives me to consistently perform at my best and contribute positively to the team and company.
  1. How many team members did you have?

In my most recent role at xxx, I was part of a team of 6 software engineers. Our team was further divided into sub-teams based on our project needs and specializations, such as frontend, backend, and SRE. In addition to engineers, we collaborated closely with product managers, UX/UI designers, and QA testers, making the entire project group consist of around 15 members.

  1. How was the team assignment/task divided?

In generally, at the beginning of each spring (usually 2-week), we have a sprint planning meeting. Product manager present the prioritized features or bugs from the product backlog. Task will be assigned to backend/frontend/QA team. Every morning, we have a short meeting where each member discusses what they worked on the previous day, and what they plan to do today. We often regroup to discuss feedback from QA, users. If there are critical issues, tasks might be re-assigned or prioritized differently. At the end of the sprint. We hold a retrospective meeting to discuss the feedback, challenges and task assignment process.

  1. What was your role/responsibilities?

I was assigned in the backend development team. My primary responsibilities include API-development, database management, third-party services integration, authentication & anthorization, code review & best practices.

  1. How did you solve issues? Try to remember the tech that you did before and what did you do in the past?

Before diving into the problem, I will reproduce it consistently. Checking detailed logging and debugging in my local environment, check official documentation, check git version control, check environment differences, discuss with the team, create issue ticket fix it and test it, write some documentations and review it.

  1. What kind of projects/products did you work on? What kind of website/apps did you make?

  • xxx System: The xxx is a distributed system capable of delivering various types of messages such as transaction/promotion messages, notifications, etc., to downstream subsystems via channels like email, push notifications, LINE, etc.

  • xxx: xxx is a smartphone application that allows users to manage various banking procedures, balances, and transaction details.

  • xxx. A thrid party SaaS. xxx is a platform that allows for workflow, view design, and GRC compliance risk management based on rules, events, template engines, and SQL-like syntax queries.

  1. Was it high traffic products?

Yes, when I was woking for the mobile app. Handing high traffic and ensuring scalability and reliability for the backend. The load balancing, Microservice architecture, CDN, monitoring, auto-scaling, stress testing and failover are used.

TECH QUESTIONS

  1. What java version did you use?

Seventeen. New features and deprecated features It’s important in our field to stay updated with the latest versions and understand the implications of migrating, not just in terms of new features but also in considerations like performance enhancements, security updates, and deprecated features.

  1. Do you have experience using micro service?

Yes, API design, setting up both synchronous communication between services using message brokers like RabbitMQ. Monitoring logging, CI/CD pipelines and API Gateway.

  1. What kind of database did you use before?

Relational Database including PostgreSQL and MariaDB.

  1. Why are you interested in xxx and this position?

xxx is very international and have lot of growth and learning opportunities.

  1. How will you build API in generic? What is the process?

Requirement clearification, Data flow design, Table design, OpenAPI Schema design, Sequencing Diagram design.

  1. Data persistance?

Hibernate, JPA, r2dbc (Transaction, pagination and sorting, entity lifecycle, custom query, template)

  1. Do you have experience in using Caching?

Yes. In order to enhance performance, reduce database load and provide faster response times. I’ve used Memcached in previous project. It is simple and effective in caching database query results and session data.

  1. Do you have experience in using RabbitMQ and Kafka?

Yes, RabbitMQ.

  1. GraphQL

No, I haven’t experience of using this technology.

  1. Questions for them.
  • What is the team is like?
  • What projects I might be working on?
  • If I get the chance to with the team, what I need to prepare before joining them.