{"id":23675,"date":"2026-06-04T15:19:53","date_gmt":"2026-06-04T08:19:53","guid":{"rendered":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/?p=23675"},"modified":"2026-06-04T16:52:33","modified_gmt":"2026-06-04T09:52:33","slug":"cau-hoi-phong-van-android-developer","status":"publish","type":"post","link":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/phong-van-viec-lam\/cau-hoi-phong-van-android-developer","title":{"rendered":"C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Android Developer th\u01b0\u1eddng g\u1eb7p v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi"},"content":{"rendered":"

Bu\u1ed5i ph\u1ecfng v\u1ea5n v\u1ecb tr\u00ed L\u1eadp tr\u00ecnh vi\u00ean Android (Android Developer) th\u01b0\u1eddng xoay quanh n\u1ec1n t\u1ea3ng ng\u00f4n ng\u1eef, ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1ch x\u1eed l\u00fd v\u00f2ng \u0111\u1eddi th\u00e0nh ph\u1ea7n. N\u1eafm tr\u01b0\u1edbc nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Android Developer<\/strong> gi\u00fap b\u1ea1n tr\u1ea3 l\u1eddi m\u1ea1ch l\u1ea1c, tr\u00e1nh l\u00fang t\u00fang khi nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e0o s\u00e2u k\u1ef9 thu\u1eadt. B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi hay g\u1eb7p nh\u1ea5t k\u00e8m g\u1ee3i \u00fd tr\u1ea3 l\u1eddi v\u00e0 c\u00e1ch x\u1eed l\u00fd c\u00e2u h\u1ecfi h\u00e0nh vi theo ph\u01b0\u01a1ng ph\u00e1p STAR.<\/p>\n

\"C\u00e2u<\/p>\n

\n

T\u1ed5ng quan nhanh<\/strong><\/p>\n

\u2013 C\u00e2u h\u1ecfi n\u1ec1n t\u1ea3ng xoay quanh Java\/Kotlin, v\u00f2ng \u0111\u1eddi Activity v\u00e0 Fragment, c\u00f9ng c\u00e1ch qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb.<\/p>\n

\u2013 Nh\u00f3m c\u00e2u h\u1ecfi n\u00e2ng cao t\u1eadp trung v\u00e0o Jetpack, MVVM, coroutines v\u00e0 g\u1ecdi REST API qua Retrofit.<\/p>\n

\u2013 C\u00e2u h\u1ecfi h\u00e0nh vi n\u00ean tr\u1ea3 l\u1eddi theo ph\u01b0\u01a1ng ph\u00e1p STAR \u0111\u1ec3 k\u1ec3 l\u1ea1i tr\u1ea3i nghi\u1ec7m d\u1ef1 \u00e1n m\u1ed9t c\u00e1ch thuy\u1ebft ph\u1ee5c.<\/p>\n<\/div>\n

1. Nh\u00f3m c\u00e2u h\u1ecfi n\u1ec1n t\u1ea3ng v\u1ec1 ng\u00f4n ng\u1eef v\u00e0 v\u00f2ng \u0111\u1eddi<\/h2>\n

Ph\u1ea7n m\u1edf \u0111\u1ea7u bu\u1ed5i ph\u1ecfng v\u1ea5n th\u01b0\u1eddng ki\u1ec3m tra ki\u1ebfn th\u1ee9c c\u1ed1t l\u00f5i \u0111\u1ec3 x\u00e1c nh\u1eadn b\u1ea1n hi\u1ec3u c\u00e1ch Android v\u1eadn h\u00e0nh. Nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n bi\u1ebft b\u1ea1n th\u00e0nh th\u1ea1o Kotlin hay v\u1eabn quen Java, \u0111\u1ed3ng th\u1eddi n\u1eafm r\u00f5 lu\u1ed3ng s\u1ed1ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n. \u0110\u00e2y l\u00e0 ph\u1ea7n d\u1ec5 ghi \u0111i\u1ec3m n\u1ebfu b\u1ea1n tr\u00ecnh b\u00e0y r\u00e0nh m\u1ea1ch v\u00e0 \u0111\u01b0a v\u00ed d\u1ee5 th\u1ef1c t\u1ebf.<\/p>\n

Kotlin kh\u00e1c Java \u1edf nh\u1eefng \u0111i\u1ec3m n\u00e0o v\u00e0 v\u00ec sao Google khuy\u1ebfn ngh\u1ecb Kotlin?<\/em><\/strong><\/p>\n

B\u1ea1n n\u00ean n\u00eau c\u00e1c \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a Kotlin (Kotlin): c\u00fa ph\u00e1p ng\u1eafn g\u1ecdn, h\u1ed7 tr\u1ee3 null-safety gi\u00fap gi\u1ea3m l\u1ed7i NullPointerException, c\u00f3 data class, extension function v\u00e0 coroutines t\u00edch h\u1ee3p s\u1eb5n. T\u1eeb n\u0103m 2019 Google c\u00f4ng b\u1ed1 Kotlin l\u00e0 ng\u00f4n ng\u1eef \u01b0u ti\u00ean (Kotlin-first) cho ph\u00e1t tri\u1ec3n Android, n\u00ean th\u00e0nh th\u1ea1o Kotlin l\u00e0 l\u1ee3i th\u1ebf r\u00f5 r\u1ec7t khi \u1ee9ng tuy\u1ec3n.<\/p>\n

Tr\u00ecnh b\u00e0y v\u00f2ng \u0111\u1eddi c\u1ee7a Activity v\u00e0 Fragment.<\/em><\/strong><\/p>\n

\u0110\u00e2y l\u00e0 c\u00e2u kinh \u0111i\u1ec3n. B\u1ea1n c\u1ea7n li\u1ec7t k\u00ea \u0111\u00fang th\u1ee9 t\u1ef1 c\u00e1c callback v\u00e0 gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn vai tr\u00f2 c\u1ee7a t\u1eebng giai \u0111o\u1ea1n:<\/p>\n

\u2013 Activity \u0111i qua c\u00e1c tr\u1ea1ng th\u00e1i onCreate, onStart, onResume khi hi\u1ec3n th\u1ecb, r\u1ed3i onPause, onStop, onDestroy khi r\u1eddi m\u00e0n h\u00ecnh.<\/p>\n

\u2013 Fragment c\u00f3 th\u00eam c\u00e1c callback ri\u00eang nh\u01b0 onAttach, onCreateView, onViewCreated v\u00e0 onDestroyView g\u1eafn v\u1edbi v\u00f2ng \u0111\u1eddi c\u1ee7a View.<\/p>\n

\u2013 B\u1ea1n n\u00ean nh\u1ea5n m\u1ea1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa onDestroyView v\u00e0 onDestroy c\u1ee7a Fragment \u0111\u1ec3 cho th\u1ea5y hi\u1ec3u bi\u1ebft s\u00e2u.<\/p>\n

2. Nh\u00f3m c\u00e2u h\u1ecfi v\u1ec1 giao di\u1ec7n, ki\u1ebfn tr\u00fac v\u00e0 x\u1eed l\u00fd b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/h2>\n

Sau ph\u1ea7n n\u1ec1n t\u1ea3ng, nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1ebd ki\u1ec3m tra kh\u1ea3 n\u0103ng x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng c\u00f3 c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng v\u00e0 m\u01b0\u1ee3t m\u00e0. H\u1ecd quan t\u00e2m b\u1ea1n d\u00f9ng c\u00f4ng c\u1ee5 g\u00ec \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch l\u1edbn, \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh ki\u1ebfn tr\u00fac n\u00e0o v\u00e0 x\u1eed l\u00fd t\u00e1c v\u1ee5 n\u1ec1n ra sao. N\u1ebfu b\u1ea1n \u0111ang mu\u1ed1n h\u00ecnh dung y\u00eau c\u1ea7u th\u1ef1c t\u1ebf t\u1eeb doanh nghi\u1ec7p, c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c v\u1ecb tr\u00ed vi\u1ec7c l\u00e0m l\u1eadp tr\u00ecnh \u2013 CNTT ph\u1ea7n m\u1ec1m<\/a> \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu k\u1ef9 n\u0103ng nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111ang c\u1ea7n.<\/p>\n

RecyclerView kh\u00e1c ListView \u1edf \u0111i\u1ec3m n\u00e0o?<\/em><\/strong><\/p>\n

B\u1ea1n n\u00ean gi\u1ea3i th\u00edch RecyclerView t\u00e1i s\u1eed d\u1ee5ng view th\u00f4ng qua c\u01a1 ch\u1ebf ViewHolder pattern, h\u1ed7 tr\u1ee3 LayoutManager linh ho\u1ea1t (d\u1ea1ng l\u01b0\u1edbi, ngang, d\u1ecdc) v\u00e0 t\u00e1ch bi\u1ec7t r\u00f5 Adapter v\u1edbi ph\u1ea7n hi\u1ec3n th\u1ecb. Nh\u1edd \u0111\u00f3 RecyclerView ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb v\u00e0 cu\u1ed9n m\u01b0\u1ee3t h\u01a1n ListView khi x\u1eed l\u00fd danh s\u00e1ch d\u00e0i h\u00e0ng ngh\u00ecn ph\u1ea7n t\u1eed.<\/p>\n

B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 Android Jetpack v\u00e0 m\u00f4 h\u00ecnh MVVM?<\/em><\/strong><\/p>\n

Android Jetpack l\u00e0 b\u1ed9 th\u01b0 vi\u1ec7n do Google cung c\u1ea5p gi\u00fap vi\u1ebft code g\u1ecdn v\u00e0 b\u1ec1n v\u1eefng, g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 ViewModel, LiveData, Room, Navigation v\u00e0 WorkManager. M\u00f4 h\u00ecnh MVVM (Model-View-ViewModel) t\u00e1ch l\u1edbp giao di\u1ec7n kh\u1ecfi logic nghi\u1ec7p v\u1ee5: ViewModel gi\u1eef v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u, View ch\u1ec9 quan s\u00e1t v\u00e0 hi\u1ec3n th\u1ecb. B\u1ea1n c\u00f3 th\u1ec3 nh\u1eafc th\u00eam Jetpack Compose nh\u01b0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n giao di\u1ec7n khai b\u00e1o (declarative UI) \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u d\u1ef1 \u00e1n m\u1edbi \u00e1p d\u1ee5ng.<\/p>\n

Coroutines trong Kotlin gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 g\u00ec?<\/em><\/strong><\/p>\n

Coroutines gi\u00fap x\u1eed l\u00fd t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 (g\u1ecdi m\u1ea1ng, \u0111\u1ecdc c\u01a1 s\u1edf d\u1eef li\u1ec7u) m\u00e0 kh\u00f4ng ch\u1eb7n lu\u1ed3ng giao di\u1ec7n ch\u00ednh. B\u1ea1n n\u00ean nh\u1eafc t\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 suspend function, scope (viewModelScope, lifecycleScope) v\u00e0 Dispatchers (Dispatchers.IO, Dispatchers.Main) \u0111\u1ec3 th\u1ec3 hi\u1ec7n hi\u1ec3u bi\u1ebft th\u1ef1c h\u00e0nh.<\/p>\n

M\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi t\u1ed1t kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh ngh\u0129a \u0111\u00fang thu\u1eadt ng\u1eef m\u00e0 c\u00f2n g\u1eafn v\u1edbi t\u00ecnh hu\u1ed1ng b\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 \u00e1p d\u1ee5ng trong d\u1ef1 \u00e1n \u2014 \u0111\u00f3 l\u00e0 \u0111i\u1ec1u nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e1nh gi\u00e1 cao nh\u1ea5t.<\/p><\/blockquote>\n\n\n\n\n\n\n\n\n\n
Ch\u1ee7 \u0111\u1ec1<\/th>\nC\u00e2u h\u1ecfi m\u1eabu<\/th>\nT\u1eeb kh\u00f3a n\u00ean \u0111\u1ec1 c\u1eadp<\/th>\n<\/tr>\n<\/thead>\n
Ng\u00f4n ng\u1eef<\/td>\nKotlin kh\u00e1c Java th\u1ebf n\u00e0o?<\/td>\nnull-safety, data class, coroutines<\/td>\n<\/tr>\n
V\u00f2ng \u0111\u1eddi<\/td>\nV\u00f2ng \u0111\u1eddi Activity g\u1ed3m nh\u1eefng g\u00ec?<\/td>\nonCreate, onResume, onDestroy<\/td>\n<\/tr>\n
Ki\u1ebfn tr\u00fac<\/td>\nMVVM ho\u1ea1t \u0111\u1ed9ng ra sao?<\/td>\nViewModel, LiveData, t\u00e1ch l\u1edbp<\/td>\n<\/tr>\n
M\u1ea1ng<\/td>\nG\u1ecdi REST API b\u1eb1ng g\u00ec?<\/td>\nRetrofit, OkHttp, JSON parser<\/td>\n<\/tr>\n
B\u1ed9 nh\u1edb<\/td>\nMemory leak x\u1ea3y ra khi n\u00e0o?<\/td>\ncontext, listener, LeakCanary<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3. Nh\u00f3m c\u00e2u h\u1ecfi v\u1ec1 m\u1ea1ng, hi\u1ec7u n\u0103ng v\u00e0 qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb<\/h2>\n

Ph\u1ea7n n\u00e0y th\u01b0\u1eddng d\u00e0nh cho \u1ee9ng vi\u00ean c\u00f3 kinh nghi\u1ec7m, n\u01a1i nh\u00e0 tuy\u1ec3n d\u1ee5ng ki\u1ec3m tra c\u00e1ch b\u1ea1n x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1eeb server v\u00e0 t\u1ed1i \u01b0u \u1ee9ng d\u1ee5ng. Tr\u1ea3 l\u1eddi t\u1ed1t cho th\u1ea5y b\u1ea1n kh\u00f4ng ch\u1ec9 vi\u1ebft t\u00ednh n\u0103ng ch\u1ea1y \u0111\u01b0\u1ee3c m\u00e0 c\u00f2n quan t\u00e2m t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n

B\u1ea1n g\u1ecdi REST API trong \u1ee9ng d\u1ee5ng Android nh\u01b0 th\u1ebf n\u00e0o?<\/em><\/strong><\/p>\n

B\u1ea1n n\u00ean tr\u00ecnh b\u00e0y lu\u1ed3ng ph\u1ed5 bi\u1ebfn: d\u00f9ng th\u01b0 vi\u1ec7n Retrofit k\u1ebft h\u1ee3p OkHttp \u0111\u1ec3 g\u1eedi y\u00eau c\u1ea7u HTTP, \u0111\u1ecbnh ngh\u0129a interface v\u1edbi annotation nh\u01b0 @GET, @POST, r\u1ed3i chuy\u1ec3n \u0111\u1ed5i JSON sang object b\u1eb1ng converter Gson ho\u1eb7c Moshi. K\u1ebft h\u1ee3p Retrofit v\u1edbi coroutines gi\u00fap code g\u1ecdn v\u00e0 x\u1eed l\u00fd l\u1ed7i r\u00f5 r\u00e0ng qua try-catch.<\/p>\n

Memory leak trong Android th\u01b0\u1eddng do \u0111\u00e2u v\u00e0 c\u00e1ch ph\u00e1t hi\u1ec7n?<\/em><\/strong><\/p>\n

R\u00f2 r\u1ec9 b\u1ed9 nh\u1edb th\u01b0\u1eddng x\u1ea3y ra khi gi\u1eef tham chi\u1ebfu t\u1edbi Activity context qu\u00e1 l\u00e2u, kh\u00f4ng h\u1ee7y listener ho\u1eb7c d\u00f9ng inner class kh\u00f4ng t\u0129nh. B\u1ea1n n\u00ean nh\u1eafc t\u1edbi c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n nh\u01b0 LeakCanary \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9, v\u00e0 Android Studio Profiler \u0111\u1ec3 theo d\u00f5i m\u1ee9c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb, CPU theo th\u1eddi gian th\u1ef1c.<\/p>\n

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L\u01b0u \u00fd khi tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt<\/strong><\/p>\n

\u2013 B\u1ea1n n\u00ean tr\u00e1nh tr\u1ea3 l\u1eddi thu\u1ed9c l\u00f2ng \u0111\u1ecbnh ngh\u0129a m\u00e0 kh\u00f4ng hi\u1ec3u b\u1ea3n ch\u1ea5t, v\u00ec ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n th\u01b0\u1eddng h\u1ecfi xo\u00e1y th\u00eam.<\/p>\n

\u2013 Khi ch\u01b0a r\u00f5 m\u1ed9t kh\u00e1i ni\u1ec7m, h\u00e3y th\u00e0nh th\u1eadt v\u00e0 tr\u00ecnh b\u00e0y h\u01b0\u1edbng ti\u1ebfp c\u1eadn thay v\u00ec \u0111o\u00e1n b\u1eeba.<\/p>\n<\/div>\n

\"L\u1eadp<\/p>\n

4. C\u00e2u h\u1ecfi h\u00e0nh vi v\u00e0 c\u00e1ch tr\u1ea3 l\u1eddi theo ph\u01b0\u01a1ng ph\u00e1p STAR<\/h2>\n

B\u00ean c\u1ea1nh ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt, nh\u00e0 tuy\u1ec3n d\u1ee5ng lu\u00f4n \u0111\u00e1nh gi\u00e1 k\u1ef9 n\u0103ng l\u00e0m vi\u1ec7c nh\u00f3m, x\u1eed l\u00fd \u00e1p l\u1ef1c v\u00e0 tinh th\u1ea7n tr\u00e1ch nhi\u1ec7m qua c\u00e2u h\u1ecfi h\u00e0nh vi. Ph\u01b0\u01a1ng ph\u00e1p STAR (Situation \u2013 Task \u2013 Action \u2013 Result) l\u00e0 khung tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb r\u1ed9ng r\u00e3i, gi\u00fap c\u00e2u chuy\u1ec7n c\u1ee7a b\u1ea1n c\u00f3 c\u1ea5u tr\u00fac v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3. \u0110\u00e2y l\u00e0 ph\u1ea7n gi\u00fap b\u1ea1n t\u1ea1o kh\u00e1c bi\u1ec7t khi nhi\u1ec1u \u1ee9ng vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n

C\u00e1ch \u00e1p d\u1ee5ng STAR cho m\u1ed9t c\u00e2u h\u1ecfi nh\u01b0 “K\u1ec3 v\u1ec1 m\u1ed9t l\u1ea7n b\u1ea1n x\u1eed l\u00fd l\u1ed7i nghi\u00eam tr\u1ecdng tr\u00ean \u1ee9ng d\u1ee5ng”:<\/p>\n

\u2013 Situation: m\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn b\u1ed1i c\u1ea3nh, v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng b\u1ecb crash h\u00e0ng lo\u1ea1t sau khi ph\u00e1t h\u00e0nh b\u1ea3n c\u1eadp nh\u1eadt tr\u00ean Google Play.<\/p>\n

\u2013 Task: n\u00eau nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ea1n, ch\u1eb3ng h\u1ea1n c\u1ea7n t\u00ecm nguy\u00ean nh\u00e2n v\u00e0 v\u00e1 l\u1ed7i trong th\u1eddi gian gi\u1edbi h\u1ea1n.<\/p>\n

\u2013 Action: tr\u00ecnh b\u00e0y h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 b\u1ea1n \u0111\u00e3 l\u00e0m, nh\u01b0 ph\u00e2n t\u00edch log qua Firebase Crashlytics v\u00e0 d\u00f9ng Android Studio Profiler \u0111\u1ec3 khoanh v\u00f9ng.<\/p>\n

\u2013 Result: ch\u1ed1t b\u1eb1ng k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c, v\u00ed d\u1ee5 t\u1ef7 l\u1ec7 crash gi\u1ea3m r\u00f5 r\u1ec7t sau b\u1ea3n v\u00e1 v\u00e0 ng\u01b0\u1eddi d\u00f9ng ph\u1ea3n h\u1ed3i t\u00edch c\u1ef1c h\u01a1n.<\/p>\n

Khi chu\u1ea9n b\u1ecb h\u1ed3 s\u01a1 \u1ee9ng tuy\u1ec3n, b\u1ea1n c\u0169ng n\u00ean tr\u00ecnh b\u00e0y c\u00e1c d\u1ef1 \u00e1n Android n\u1ed5i b\u1eadt m\u1ed9t c\u00e1ch s\u00fac t\u00edch v\u00e0 c\u00f3 s\u1ed1 li\u1ec7u. N\u1ebfu b\u1ea1n l\u00e0 sinh vi\u00ean ho\u1eb7c ng\u01b0\u1eddi m\u1edbi ra tr\u01b0\u1eddng, m\u1eabu CV t\u00ecm vi\u1ec7c th\u1ef1c t\u1eadp<\/a> l\u00e0 g\u1ee3i \u00fd h\u1eefu \u00edch \u0111\u1ec3 s\u1eafp x\u1ebfp ph\u1ea7n kinh nghi\u1ec7m v\u00e0 k\u1ef9 n\u0103ng ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed Android.<\/p>\n

\n

L\u1eddi khuy\u00ean chu\u1ea9n b\u1ecb ph\u1ecfng v\u1ea5n<\/strong><\/p>\n

\u2013 B\u1ea1n n\u00ean d\u1ef1ng s\u1eb5n m\u1ed9t \u1ee9ng d\u1ee5ng demo tr\u00ean Android Studio \u0111\u1ec3 minh h\u1ecda ki\u1ebfn th\u1ee9c khi \u0111\u01b0\u1ee3c h\u1ecfi.<\/p>\n

\u2013 H\u00e3y chu\u1ea9n b\u1ecb 2\u20133 c\u00e2u chuy\u1ec7n d\u1ef1 \u00e1n theo ph\u01b0\u01a1ng ph\u00e1p STAR \u0111\u1ec3 d\u00f9ng linh ho\u1ea1t cho nhi\u1ec1u c\u00e2u h\u1ecfi h\u00e0nh vi.<\/p>\n<\/div>\n

5. B\u1ed1i c\u1ea3nh tuy\u1ec3n d\u1ee5ng v\u1ecb tr\u00ed l\u1eadp tr\u00ecnh tr\u00ean CareerLink<\/h2>\n

\u0110\u1ec3 h\u00ecnh dung nhu c\u1ea7u th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 nh\u00ecn v\u00e0o d\u1eef li\u1ec7u tuy\u1ec3n d\u1ee5ng CNTT ph\u1ea7n m\u1ec1m. Th\u00e1ng 6\/2026 CareerLink ghi nh\u1eadn h\u01a1n 459 c\u00f4ng vi\u1ec7c trong nh\u00f3m n\u00e0y, tr\u1ea3i r\u1ed9ng t\u1eeb v\u1ecb tr\u00ed cho ng\u01b0\u1eddi m\u1edbi \u0111\u1ebfn c\u1ea5p chuy\u00ean gia. M\u1ed9t s\u1ed1 ch\u1ee9c danh ti\u00eau bi\u1ec3u g\u1ed3m Senior Software Engineer, Business Analyst (Healthcare Product), Robotics Engineer v\u00e0 Head Of AI, cho th\u1ea5y ngh\u1ec1 l\u1eadp tr\u00ecnh m\u1edf ra nhi\u1ec1u h\u01b0\u1edbng \u0111i b\u00ean c\u1ea1nh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng.<\/p>\n

V\u1ec1 thu nh\u1eadp, c\u00e1c tin tuy\u1ec3n d\u1ee5ng dao \u0111\u1ed9ng kh\u00e1 r\u1ed9ng \u2014 t\u1eeb kho\u1ea3ng 8\u201315 tri\u1ec7u cho v\u1ecb tr\u00ed m\u1edbi, l\u00ean 15\u201330 tri\u1ec7u \u1edf nh\u00f3m c\u00f3 kinh nghi\u1ec7m, v\u00e0 40\u201370 tri\u1ec7u v\u1edbi vai tr\u00f2 c\u1ea5p cao ho\u1eb7c y\u00eau c\u1ea7u ngo\u1ea1i ng\u1eef. M\u1ee9c \u0111\u00e3i ng\u1ed9 n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o n\u0103ng l\u1ef1c, v\u1ecb tr\u00ed v\u00e0 quy m\u00f4 doanh nghi\u1ec7p, n\u00ean \u1ee9ng vi\u00ean Android ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p v\u1edbi tr\u00ecnh \u0111\u1ed9 c\u1ee7a m\u00ecnh.<\/p>\n

6. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

1. Ph\u1ecfng v\u1ea5n Android Developer cho ng\u01b0\u1eddi m\u1edbi c\u00f3 kh\u00f3 kh\u00f4ng?<\/em><\/strong><\/p>\n

V\u1edbi \u1ee9ng vi\u00ean m\u1edbi, nh\u00e0 tuy\u1ec3n d\u1ee5ng t\u1eadp trung v\u00e0o ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng nh\u01b0 Kotlin, v\u00f2ng \u0111\u1eddi Activity v\u00e0 RecyclerView h\u01a1n l\u00e0 ki\u1ebfn tr\u00fac ph\u1ee9c t\u1ea1p. B\u1ea1n n\u00ean chu\u1ea9n b\u1ecb m\u1ed9t s\u1ea3n ph\u1ea9m demo v\u00e0 n\u1eafm ch\u1eafc c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n. S\u1ef1 ch\u1ee7 \u0111\u1ed9ng h\u1ecdc h\u1ecfi v\u00e0 th\u00e1i \u0111\u1ed9 c\u1ea7u th\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao \u1edf v\u1ecb tr\u00ed \u0111\u1ea7u v\u00e0o.<\/p>\n

2. C\u00f3 c\u1ea7n bi\u1ebft c\u1ea3 Java l\u1eabn Kotlin khi ph\u1ecfng v\u1ea5n kh\u00f4ng?<\/em><\/strong><\/p>\n

Kotlin hi\u1ec7n l\u00e0 ng\u00f4n ng\u1eef \u01b0u ti\u00ean cho Android, n\u00ean b\u1ea1n c\u1ea7n th\u00e0nh th\u1ea1o Kotlin. Tuy nhi\u00ean nhi\u1ec1u d\u1ef1 \u00e1n c\u0169 v\u1eabn d\u00f9ng Java, v\u00ec v\u1eady hi\u1ec3u Java gi\u00fap b\u1ea1n \u0111\u1ecdc v\u00e0 b\u1ea3o tr\u00ec code k\u1ebf th\u1eeba. Bi\u1ebft c\u1ea3 hai l\u00e0 l\u1ee3i th\u1ebf, nh\u01b0ng tr\u1ecdng t\u00e2m \u00f4n t\u1eadp n\u00ean \u0111\u1eb7t v\u00e0o Kotlin.<\/p>\n

3. C\u00e2u h\u1ecfi h\u00e0nh vi c\u00f3 quan tr\u1ecdng b\u1eb1ng c\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt kh\u00f4ng?<\/em><\/strong><\/p>\n

C\u00e2u h\u1ecfi h\u00e0nh vi gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e1nh gi\u00e1 k\u1ef9 n\u0103ng m\u1ec1m v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u0103n h\u00f3a, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u1edf v\u00f2ng ph\u1ecfng v\u1ea5n cu\u1ed1i. Tr\u1ea3 l\u1eddi theo ph\u01b0\u01a1ng ph\u00e1p STAR v\u1edbi v\u00ed d\u1ee5 th\u1eadt v\u00e0 k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c s\u1ebd gi\u00fap b\u1ea1n t\u1ea1o \u1ea5n t\u01b0\u1ee3ng t\u1ed1t b\u00ean c\u1ea1nh ph\u1ea7n k\u1ef9 thu\u1eadt.<\/p>\n

Chu\u1ea9n b\u1ecb k\u1ef9 cho bu\u1ed5i ph\u1ecfng v\u1ea5n l\u00e0 c\u00e1ch t\u1ef1 tin nh\u1ea5t \u0111\u1ec3 th\u1ec3 hi\u1ec7n n\u0103ng l\u1ef1c c\u1ee7a b\u1ea1n. Vi\u1ec7c \u00f4n l\u1ea1i nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Android Developer<\/strong> t\u1eeb n\u1ec1n t\u1ea3ng Kotlin, v\u00f2ng \u0111\u1eddi Activity \u0111\u1ebfn ki\u1ebfn tr\u00fac MVVM v\u00e0 coroutines gi\u00fap b\u1ea1n tr\u1ea3 l\u1eddi m\u1ea1ch l\u1ea1c, \u0111\u1ed3ng th\u1eddi luy\u1ec7n tr\u01b0\u1edbc c\u00e1c c\u00e2u h\u00e0nh vi theo ph\u01b0\u01a1ng ph\u00e1p STAR s\u1ebd gi\u00fap b\u1ea1n n\u1ed5i b\u1eadt. H\u00e3y k\u1ebft h\u1ee3p l\u00fd thuy\u1ebft v\u1edbi v\u00ed d\u1ee5 d\u1ef1 \u00e1n th\u1ef1c t\u1ebf \u0111\u1ec3 c\u00e2u tr\u1ea3 l\u1eddi th\u00eam thuy\u1ebft ph\u1ee5c v\u00e0 \u0111\u00e1ng nh\u1edb.<\/p>\n

B\u00e0i vi\u1ebft ch\u1ec9 mang t\u00ednh ch\u1ea5t tham kh\u1ea3o, kh\u00f4ng thay th\u1ebf t\u01b0 v\u1ea5n ngh\u1ec1 nghi\u1ec7p chuy\u00ean s\u00e2u. Quy \u0111\u1ecbnh tuy\u1ec3n d\u1ee5ng v\u00e0 y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo t\u1eebng doanh nghi\u1ec7p v\u00e0 t\u1eebng th\u1eddi \u0111i\u1ec3m \u2014 b\u1ea1n n\u00ean \u0111\u1ed1i chi\u1ebfu l\u1ea1i v\u1edbi m\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi n\u1ed9p h\u1ed3 s\u01a1.<\/em><\/p>\n

Minh An<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Android Developer t\u1eeb Kotlin, v\u00f2ng \u0111\u1eddi Activity, RecyclerView \u0111\u1ebfn MVVM, coroutines. Xem ngay g\u1ee3i \u00fd tr\u1ea3 l\u1eddi v\u00e0 m\u1eb9o d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p STAR.<\/p>\n","protected":false},"author":58,"featured_media":23673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-23675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phong-van-viec-lam"],"_links":{"self":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/23675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/comments?post=23675"}],"version-history":[{"count":1,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/23675\/revisions"}],"predecessor-version":[{"id":23676,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/23675\/revisions\/23676"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/media\/23673"}],"wp:attachment":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/media?parent=23675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/categories?post=23675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/tags?post=23675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}