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Please normalize and unify the entries without removing any data. Add three new columns: Source\_code, Source, and Source\_group, to reflect the suggested standardization. Ensure that the final result includes at least 100 unique Source values and 25 meaningful Source\_group categories with appropriate mappings.
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Tech Lead

Interviewed at EY

3.7★
May 15, 2025

Please normalize and unify the entries without removing any data. Add three new columns: Source\_code, Source, and Source\_group, to reflect the suggested standardization. Ensure that the final result includes at least 100 unique Source values and 25 meaningful Source\_group categories with appropriate mappings.

Only 2 technical rounds : 1. Stream API 2. Database connection with 2 Db in spring boot 3. Why spring boot ? 4. RequestMapping and jwt token 5. Comparator comparable 6. Map struct 7. DTO 8. System design : SAGA, strangler, Builder, SOLID principals
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Tech Lead JAVA

Interviewed at Coforge

3.7★
Jun 18, 2023

Only 2 technical rounds : 1. Stream API 2. Database connection with 2 Db in spring boot 3. Why spring boot ? 4. RequestMapping and jwt token 5. Comparator comparable 6. Map struct 7. DTO 8. System design : SAGA, strangler, Builder, SOLID principals

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