Language |
Java(11,17) |
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- Stream, Thread, Java Reflection, Annotation Processor ํ์ฉ ๊ฐ๋ฅ |
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- ์ต์ ๋ฌธ๋ฒ(~ 21)์ ๋ํ ์ดํด |
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- Junit, AssertJ ๊ธฐ๋ฐ ํ
์คํธ ์ฝ๋ ์์ฑ ๊ฐ๋ฅ |
Backend |
Spring |
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- mvc, webflux ๊ธฐ๋ฐ REST, ์น ์์ผ, GraphQl API ๊ฐ๋ฐ ๊ฐ๋ฅ |
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- Spring Security ์์ค์ฝ๋ ์์ค์ ์ดํด. ์ธ์ฆ, ์ธ๊ฐ ๊ฐ๋ฐ ๊ฐ๋ฅ |
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- Spring Cloud ๊ธฐ๋ฐ์ MSA ์๋ฒ ๊ฐ๋ฐ ๊ฐ๋ฅ (gateway, config, eureka) |
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- AOP, Async, Event, ๋น ์๋ช
์ฃผ๊ธฐ, AutoConfiguration ํ์ฉ ๊ฐ๋ฅ |
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JPA(Hibernate) |
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- n+1 ๋ฌธ์ ๋ฅผ ๊ณ ๋ ค ํ๋ฉฐ ์ํฐํฐ ์ค๊ณ ๊ฐ๋ฅ |
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Http |
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- ์ฟ ํค, cors, ์บ์, ๋ฉฑ๋ฑ์ฑ, etag, conditional request์ ๋ํ ์ดํด |
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- API ๋ช
์ธ์ ๋ฌธ์ํ ๊ฐ๋ฅ |
Database |
SQL |
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- ERD ์ค๊ณ ๊ฐ๋ฅ |
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- view, index ํ์ฉ ๊ฐ๋ฅ |
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- ์ง๊ณ ๋ฌธ๋ฒ(group by, having, with as, join) ํ์ฉ ๊ฐ๋ฅ |
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Postgresql |
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- MVCC, Vacuum ์ ๋ํ ์ดํด |
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ELK |
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- ์ธ๋ฑ์ค ๋งคํ, ๋์๋ณด๋ ๊ตฌ์ถ ๊ฐ๋ฅ |
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Kafka |
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- ๋ฆฌ๋ฐธ๋ฐ์ฑ, ์ปจ์๋จธ ๊ทธ๋ฃน, ์ ํฉ์ฑ ๋ณด์ฅ ์์ค์ ๋ํ ์ดํด |
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Redis, Hadoop, Spark |
DevOps |
AWS(ec2, s3, lambda, elb), Docker, Ansible, Ubuntu |