diff --git a/src/main/java/com/example/skillboost/auth/handler/OAuth2SuccessHandler.java b/src/main/java/com/example/skillboost/auth/handler/OAuth2SuccessHandler.java
index 0aeac80..65ecb17 100644
--- a/src/main/java/com/example/skillboost/auth/handler/OAuth2SuccessHandler.java
+++ b/src/main/java/com/example/skillboost/auth/handler/OAuth2SuccessHandler.java
@@ -13,6 +13,7 @@
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 import org.springframework.stereotype.Component;
+import org.springframework.web.util.UriComponentsBuilder;
 
 import java.io.IOException;
 import java.util.HashMap;
@@ -27,7 +28,6 @@ public class OAuth2SuccessHandler implements AuthenticationSuccessHandler {
     private final UserRepository userRepository;
     private final TokenService tokenService;
     private final ObjectMapper objectMapper = new ObjectMapper();
-
     @Override
     public void onAuthenticationSuccess(HttpServletRequest request,
                                         HttpServletResponse response,
@@ -36,10 +36,11 @@ public void onAuthenticationSuccess(HttpServletRequest request,
         log.info("OAuth2 인증 성공!");
 
         OAuth2User oAuth2User = (OAuth2User) authentication.getPrincipal();
-        String email = (String) oAuth2User.getAttributes().get("email");
+        Map<String, Object> attributes = oAuth2User.getAttributes();
+        String email = (String) attributes.get("email");
 
         if (email == null || email.isEmpty()) {
-            String githubId = String.valueOf(oAuth2User.getAttributes().get("id"));
+            String githubId = String.valueOf(attributes.get("id"));
             email = githubId + "@github.temp";
             log.warn("이메일 비공개 사용자 - 임시 이메일 사용: {}", email);
         }
@@ -59,20 +60,15 @@ public void onAuthenticationSuccess(HttpServletRequest request,
 
         log.info("JWT 토큰 생성 및 Redis 저장 완료: {}", user.getEmail());
 
-        // JSON 응답 생성
-        Map<String, Object> responseData = new HashMap<>();
-        responseData.put("success", true);
-        responseData.put("accessToken", accessToken);
-        responseData.put("refreshToken", refreshToken); // 프론트엔드에서 저장해야 함
-        responseData.put("email", user.getEmail());
-        responseData.put("username", user.getUsername());
+        // JSON 응답 대신 리다이렉트를 수행하는 로직
 
-        // 클라이언트에 JWT 응답
-        response.setContentType("application/json;charset=UTF-8");
-        response.setStatus(HttpServletResponse.SC_OK);
-        response.getWriter().write(objectMapper.writeValueAsString(responseData));
+        String frontendRedirectBaseUrl = "https://www.skill-boost.store";
+        String frontendTokenHandlerPath = "/oauth2/redirect";
+        String targetUrl = UriComponentsBuilder.fromUriString(frontendRedirectBaseUrl + frontendTokenHandlerPath)
+                .queryParam("accessToken", accessToken)
+                .queryParam("refreshToken", refreshToken)
+                .build().toUriString();
 
-        // 실제 서비스 배포 시, 사용자를 다시 웹사이트 메인 화면으로 돌려보내기 위해 사용
-        // response.sendRedirect("http://localhost:3000/oauth2/redirect?accessToken=" + accessToken + "&refreshToken=" + refreshToken);
+        response.sendRedirect(targetUrl);
     }
 }
\ No newline at end of file
diff --git a/src/main/resources/application-test.yml b/src/main/resources/application-test.yml
index d0b8828..63d724e 100644
--- a/src/main/resources/application-test.yml
+++ b/src/main/resources/application-test.yml
@@ -30,3 +30,8 @@ spring:
 jwt:
   secret-key: TXlTdXBlclNlY3JldEtleUZvclNraWxsQm9vc3RQcm9qZWN0MjAyNUNoYWxsZW5nZSE=
   expiration-ms: 100000
+
+gemini:
+  model: test-model
+  api:
+    key: test-key