Synechron Technical Lead Interview Questions and Answers

I left my last job to pursue new challenges and growth opportunities that align with my career goals and aspirations.

• I was seeking a role that offered more leadership responsibilities, as I wanted to grow my skills in team management.

• The company was undergoing significant restructuring, which limited opportunities for advancement.

• I wanted to work in a more innovative environment where I could contribute to cutting...read more

To check production issues at the app level, one can use logging, monitoring tools, error tracking services, and user feedback.

• Utilize logging to track errors and events in the application

• Implement monitoring tools to keep track of performance metrics and system health

• Use error tracking services like Sentry or Rollbar to receive real-time notifications of issues

• Collect user feedback through surveys or support tick...read more

Type in TypeScript refers to the static type of a variable, function, or object.

• Type in TypeScript helps catch errors at compile time by specifying the data type of variables.

• Types in TypeScript include basic types like number, string, boolean, as well as custom types like interfaces and enums.

• Example: let age: number = 25;

An interceptor is a middleware component that intercepts incoming and outgoing HTTP requests in an application.

• Interceptors can be used for logging, authentication, error handling, and modifying requests/responses.

• In Angular, interceptors can be used to modify HTTP requests before they are sent to the server.

• In Spring framework, interceptors can be used to intercept client requests and server responses.

• Interceptor...read more

Data warehouse is a central repository of data used for reporting and analysis.

• Data is extracted from various sources and transformed to fit into the warehouse schema.

• Data is organized into dimensions and facts for efficient querying.

• Used for business intelligence and decision-making.

• In my current project, we use a data warehouse to store and analyze customer behavior data.

• We extract data from our website, mobile ...read more

Microservices are a software architecture pattern where applications are built as a collection of small, loosely coupled services.

• Microservices allow for modular development and deployment of applications.

• Each microservice can be developed, deployed, and scaled independently.

• Microservices communicate with each other through APIs.

• They promote flexibility, scalability, and fault tolerance.

• Examples of microservices i...read more

Technical Lead interview questions on COBOL, DB2, and CICS

• Types of call in COBOL

• File status 39 indicates end-of-file reached

• AICA is Abend-AID CICS Abend RSN (Reason) Code

• Cursor is used to fetch rows from DB2 tables sequentially

• Compiler options include OPTIMIZE, DEBUG, and LIST

• BIND utility is used to bind DB2 programs to database

• Dynamic VSAM file reading can be done using READNEXT function

• -911 SQLCODE indicates dea...read more

Extract data source is a static snapshot while live data source is real-time data. Data blending combines data from multiple sources.

• Extract data source is a subset of data from a larger data source that is saved as a static snapshot.

• Live data source is real-time data that is directly connected to the source system.

• Data blending combines data from multiple sources to create a unified view.

• Extract data source is fa...read more