JiBe Development Services Interview Questions and Answers

Deciding on features involves user needs, market research, and prioritization, while functionalities are specific implementations of those features.

• Identify user needs through surveys and interviews; for example, a fitness app may need a calorie tracker based on user feedback.

• Conduct market research to analyze competitors; if competitors lack a social sharing feature, it may be a unique selling point.

• Prioritize feature...read more

Determining a product roadmap involves stakeholder collaboration, prioritization of feedback, and strategic alignment with business goals.

• Identify key stakeholders: Product team, engineering, marketing, sales, and customer support.

• Gather feedback from users through surveys, interviews, and usability testing to understand their needs.

• Analyze market trends and competitor products to identify opportunities and threats.

• Pri...read more

Usability, feasibility, and viability are key aspects in product management, each with unique trade-offs to consider.

• Usability: Focus on user experience; for example, an intuitive interface can enhance user satisfaction.

• Feasibility: Assess technical and operational capabilities; for instance, can the team realistically build the product within the timeline?

• Viability: Evaluate market demand and profitability; a product ...read more

A product management team includes various roles and stakeholders, with the product manager often being the key figure.

• Product Manager: Leads the team, defines product vision, and prioritizes features.

• Designers: Create user interfaces and experiences, ensuring the product is user-friendly.

• Developers: Build the product, translating requirements into functional software.

• Marketing: Develops strategies to promote the produ...read more

Evaluate the impact of the requested changes on the product and other customers before deciding.

• Assess the request's alignment with the product vision and roadmap.

• Consider the potential impact on other customers; will it alienate them?

• Evaluate the feasibility and resources required for implementation.

• Engage with the customer to understand their needs and explore alternatives.

• Example: If a feature benefits one customer ...read more

Choosing between microservices and monolithic architecture depends on project needs, team size, and scalability requirements.

• Project Complexity: Microservices are better for complex applications with multiple functionalities, like an e-commerce platform.

• Team Size: Larger teams can benefit from microservices, allowing parallel development, while smaller teams may prefer a monolith.

• Scalability: Microservices allow indepe...read more

Designing a high availability SaaS system involves redundancy, load balancing, and failover strategies to ensure uptime.

• Use multiple data centers across different geographic locations to ensure redundancy.

• Implement load balancers to distribute traffic evenly across servers, preventing any single point of failure.

• Utilize database replication and clustering to ensure data availability and consistency.

• Incorporate automate...read more

Managing database schema evolution involves careful planning, version control, and testing to ensure system stability.

• Use version control for database schemas, similar to code. Tools like Liquibase or Flyway can help manage migrations.

• Implement backward-compatible changes first, such as adding new columns without removing existing ones.

• Test schema changes in a staging environment before deploying to production to catch...read more

I enforced coding standards focusing on readability, maintainability, and collaboration within my team.

• Adopted consistent naming conventions, e.g., camelCase for variables and PascalCase for classes.

• Implemented code reviews to ensure adherence to standards and foster knowledge sharing.

• Utilized linters and formatters like ESLint and Prettier to maintain code quality and style.

• Encouraged writing unit tests with framework...read more

I systematically gather, organize, and validate data for a ship's inventory, ensuring accuracy and completeness.

• Identify all necessary inventory items, including spare parts, tools, and manuals.

• Collaborate with ship engineers and crew to understand operational needs.

• Utilize existing databases and inventory management systems for reference.

• Implement a standardized format for data entry to maintain consistency.

• Conduct re...read more

Critical spares are essential components that ensure operational continuity and minimize downtime in various industries.

• Critical spares are items that are vital for the functioning of machinery or systems.

• They help prevent production delays and costly downtime in manufacturing.

• Examples include spare parts for engines, turbines, or medical equipment.

• In the oil and gas industry, critical spares might include pumps and va...read more

I have experience with various PMS types, including ERP, CRM, and bespoke systems, each with unique advantages and challenges.

• ERP Systems (e.g., SAP, Oracle): Integrates all facets of business operations; pros include comprehensive data management, cons include high costs and complexity.

• CRM Systems (e.g., Salesforce, HubSpot): Focuses on customer relationships; pros include improved customer engagement, cons include po...read more

OOPs (Object-Oriented Programming) is a programming paradigm based on objects and classes, promoting code reusability and modularity.

• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the sam...read more

The event loop manages asynchronous operations in JavaScript, enabling non-blocking execution of code.

• The event loop continuously checks the call stack and the message queue.

• If the call stack is empty, it processes the next message from the queue.

• JavaScript is single-threaded, meaning it can only execute one operation at a time.

• Asynchronous functions (like setTimeout) allow other code to run while waiting for a task to...read more

Angular lifecycle consists of various phases that manage component creation, updates, and destruction.

• ngOnInit: Called once after the first ngOnChanges. Ideal for initialization logic.

• ngOnChanges: Invoked before ngOnInit and whenever one or more data-bound input properties change.

• ngDoCheck: Called during every change detection run, allowing for custom change detection.

• ngAfterContentInit: Invoked after content (ng-conte...read more