{"id":15477,"date":"2026-08-06T16:10:16","date_gmt":"2026-08-06T09:10:16","guid":{"rendered":"https:\/\/galaxyholdings.co\/?post_type=job&p=15477"},"modified":"2026-08-06T16:10:16","modified_gmt":"2026-08-06T09:10:16","slug":"lap-trinh-vien-back-end","status":"publish","type":"job","link":"https:\/\/galaxyholdings.co\/en\/job\/lap-trinh-vien-back-end\/","title":{"rendered":"L\u1eadp tr\u00ecnh vi\u00ean Back-End"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u c\u00f4ng ty:<\/span><\/h2>\n

Galaxy Telecom<\/strong>\u00a0l\u00e0 c\u00f4ng ty th\u00e0nh vi\u00ean c\u1ee7a Galaxy Holdings \u2013 t\u1eadp \u0111o\u00e0n c\u00f4ng ngh\u1ec7 tr\u1ef1c thu\u1ed9c Sovico Group. Ch\u00fang t\u00f4i t\u1eadp trung ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m vi\u1ec5n th\u00f4ng th\u1ebf h\u1ec7 m\u1edbi nh\u01b0 SkyFi \u2013 m\u1ea1ng di \u0111\u1ed9ng th\u1ebf h\u1ec7 m\u1edbi, cung c\u1ea5p SIM v\u1eadt l\u00fd v\u00e0 eSIM v\u1edbi c\u00e1c g\u00f3i tho\u1ea1i v\u00e0 data n\u1ed9i \u0111\u1ecba v\u00e0 qu\u1ed1c t\u1ebf, h\u01b0\u1edbng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng linh ho\u1ea1t, thu\u1eadn ti\u1ec7n, kh\u00f4ng gi\u1edbi h\u1ea1n bi\u00ean gi\u1edbi.<\/p>\n

M\u1ee5c ti\u00eau v\u1ecb tr\u00ed:<\/strong><\/span><\/p>\n

V\u1ecb tr\u00ed L\u1eadp tr\u00ecnh vi\u00ean Back-End ch\u1ecbu tr\u00e1ch nhi\u1ec7m thi\u1ebft k\u1ebf, x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 API hi\u1ec7u n\u0103ng cao. \u0110\u1eb7c bi\u1ec7t, nh\u00e2n s\u1ef1 \u1edf v\u1ecb tr\u00ed n\u00e0y \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m (SDLC), t\u1eeb kh\u00e2u thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac, vi\u1ebft m\u00e3 \u0111\u1ebfn l\u1eadp t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt.<\/p>\n

Tr\u00e1ch nhi\u1ec7m ch\u00ednh:<\/span><\/h2>\n

Ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng & Ki\u1ebfn tr\u00fac <\/strong><\/p>\n

    \n
  • Ph\u00e1t tri\u1ec3n c\u00e1c d\u1ecbch v\u1ee5 Back-End m\u1ea1nh m\u1ebd, \u01b0u ti\u00ean s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef Java.<\/li>\n
  • Thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng giao ti\u1ebfp hi\u1ec7u qu\u1ea3, \u1ee9ng d\u1ee5ng REST API, gRPC v\u00e0 x\u00e2y<\/li>\n
  • d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p qua Webhooks.<\/li>\n
  • Thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng theo ki\u1ebfn tr\u00fac Microservices.<\/li>\n<\/ul>\n

    X\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn & T\u1ed1i \u01b0u h\u00f3a <\/strong><\/p>\n

      \n
    • X\u00e2y d\u1ef1ng v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn (Big Data) v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/li>\n
    • T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o latency th\u1ea5p v\u00e0 throughput cao.<\/li>\n
    • Ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n

      Tri\u1ec3n khai & V\u1eadn h\u00e0nh <\/strong><\/p>\n

        \n
      • \u0110\u00f3ng g\u00f3i \u1ee9ng d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng tri\u1ec3n khai s\u1eed d\u1ee5ng Docker v\u00e0 Docker Compose.<\/li>\n
      • Tri\u1ec3n khai v\u00e0 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng tr\u00ean m\u00f4i tr\u01b0\u1eddng production.<\/li>\n<\/ul>\n

        B\u1ea3o m\u1eadt & An to\u00e0n th\u00f4ng tin <\/strong><\/p>\n

          \n
        • \u00c1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc l\u1eadp tr\u00ecnh an to\u00e0n th\u00f4ng tin (Secure Coding) trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/li>\n
        • \u0110\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng theo c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n th\u00f4ng tin hi\u1ec7n h\u00e0nh.<\/li>\n
        • X\u1eed l\u00fd v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m theo quy \u0111\u1ecbnh.<\/li>\n<\/ul>\n

          Y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c:<\/span><\/h2>\n

          H\u1ecdc v\u1ea5n <\/strong><\/span><\/p>\n

          T\u1ed1t nghi\u1ec7p \u0110\u1ea1i h\u1ecdc chuy\u00ean ng\u00e0nh C\u00f4ng ngh\u1ec7 Th\u00f4ng tin, K\u1ef9 thu\u1eadt Ph\u1ea7n m\u1ec1m, Khoa h\u1ecdc M\u00e1y t\u00ednh ho\u1eb7c c\u00e1c ng\u00e0nh li\u00ean quan.<\/p>\n

          Kinh nghi\u1ec7m & K\u1ef9 n\u0103ng K\u1ef9 thu\u1eadt B\u1eaft bu\u1ed9c <\/strong><\/span><\/p>\n

            \n
          • C\u00f3 \u00edt nh\u1ea5t 3+ n\u0103m kinh nghi\u1ec7m \u1edf v\u1ecb tr\u00ed Back-End Developer.<\/li>\n
          • Th\u00e0nh th\u1ea1o l\u1eadp tr\u00ecnh Java (Spring Boot).<\/li>\n
          • C\u00f3 kinh nghi\u1ec7m th\u1ef1c t\u1ebf trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng theo ki\u1ebfn tr\u00fac Microservices.<\/li>\n
          • C\u00f3 kinh nghi\u1ec7m x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn (Big Data Processing Systems).<\/li>\n
          • C\u00f3 kinh nghi\u1ec7m t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng (Performance Optimization).<\/li>\n
          • C\u00f3 ki\u1ebfn th\u1ee9c v\u00e0 th\u1ef1c h\u00e0nh v\u1ec1 l\u1eadp tr\u00ecnh an to\u00e0n th\u00f4ng tin (Secure Coding).<\/li>\n
          • S\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o Docker v\u00e0 qu\u1ea3n l\u00fd container (Containerization).<\/li>\n
          • N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (SQL) v\u00e0 phi quan h\u1ec7 (NoSQL).<\/li>\n<\/ul>\n

            Tech Stack y\u00eau c\u1ea7u<\/strong><\/span><\/p>\n

              \n
            • Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh: Java (Spring Boot)<\/li>\n
            • Ki\u1ebfn tr\u00fac: Microservices, Event-Driven Architecture<\/li>\n
            • Protocol & API: REST API, gRPC, Webhooks, GraphQL<\/li>\n
            • Database: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch<\/li>\n
            • Big Data: Kafka, Spark, Hadoop<\/li>\n<\/ul>\n

              Ki\u1ebfn th\u1ee9c An to\u00e0n th\u00f4ng tin (ATTT) <\/strong><\/span><\/p>\n

                \n
              • Hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc OWASP Top 10.<\/li>\n
              • C\u00f3 kinh nghi\u1ec7m v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u00e1c th\u1ef1c v\u00e0 \u1ee7y quy\u1ec1n (OAuth2, JWT, SSO).<\/li>\n
              • N\u1eafm v\u1eefng c\u00e1c best practices v\u1ec1 m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 qu\u1ea3n l\u00fd kh\u00f3a.<\/li>\n
              • Hi\u1ec3u v\u1ec1 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh (SQL Injection, XSS, CSRF, v.v.).<\/li>\n<\/ul>\n

                K\u1ef9 n\u0103ng M\u1ec1m <\/strong><\/span><\/p>\n

                  \n
                • T\u01b0 duy logic, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 t\u1ed1t.<\/li>\n
                • Kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c \u0111\u1ed9c l\u1eadp v\u00e0 ph\u1ed1i h\u1ee3p nh\u00f3m hi\u1ec7u qu\u1ea3.<\/li>\n
                • Ch\u1ee7 \u0111\u1ed9ng trong c\u00f4ng vi\u1ec7c, c\u00f3 tinh th\u1ea7n tr\u00e1ch nhi\u1ec7m cao.<\/li>\n
                • K\u1ef9 n\u0103ng vi\u1ebft t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt (Technical Writing) m\u1ea1ch l\u1ea1c, ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n

                  \u01afu ti\u00ean <\/strong><\/span><\/p>\n

                    \n
                  • C\u00f3 kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c Vi\u1ec5n th\u00f4ng\/Telecom.<\/li>\n
                  • C\u00f3 kinh nghi\u1ec7m t\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng nh\u00e0 m\u1ea1ng (MobiFone, Vinaphone, Viettel).<\/li>\n
                  • C\u00f3 ch\u1ee9ng ch\u1ec9 chuy\u00ean ng\u00e0nh (AWS, Oracle, Spring, Security certifications).<\/li>\n
                  • C\u00f3 kinh nghi\u1ec7m v\u1edbi CI\/CD pipeline v\u00e0 Infrastructure as Code.<\/li>\n<\/ul>\n

                    Quy\u1ec1n l\u1ee3i:<\/span><\/strong><\/span><\/h2>\n
                      \n
                    • M\u1ee9c l\u01b0\u01a1ng c\u1ea1nh tranh (bao g\u1ed3m l\u01b0\u01a1ng c\u01a1 b\u1ea3n v\u00e0 th\u01b0\u1edfng theo hi\u1ec7u su\u1ea5t).<\/li>\n
                    • L\u01b0\u01a1ng th\u1eed vi\u1ec7c 100% l\u01b0\u01a1ng ch\u00ednh th\u1ee9c.<\/li>\n
                    • B\u1ea3o hi\u1ec3m s\u1ee9c kh\u1ecfe v\u00e0 tai n\u1ea1n to\u00e0n di\u1ec7n.<\/li>\n
                    • 15 ng\u00e0y ph\u00e9p n\u0103m, 1 ng\u00e0y l\u00e0m vi\u1ec7c t\u1eeb xa m\u1ed7i th\u00e1ng.<\/li>\n
                    • Cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 trang thi\u1ebft b\u1ecb l\u00e0m vi\u1ec7c (MacBook\/Laptop, chu\u1ed9t, m\u00e0n h\u00ecnh, v.v.).<\/li>\n
                    • M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c s\u00e1ng t\u1ea1o, hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ul>\n

                      N\u01a1i l\u00e0m vi\u1ec7c: T\u00f2a nh\u00e0 Red River Building, 885 H\u1ed3ng H\u00e0, Ph\u01b0\u1eddng H\u1ed3ng H\u00e0, TP H\u00e0 N\u1ed9i<\/strong><\/span><\/p>\n

                      CV \u1ee9ng tuy\u1ec3n g\u1eedi qua mail: <\/span>talent@galaxyholdings.co\u00a0<\/b><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                      Gi\u1edbi thi\u1ec7u c\u00f4ng ty: Galaxy Telecom\u00a0l\u00e0 c\u00f4ng ty th\u00e0nh vi\u00ean c\u1ee7a Galaxy Holdings \u2013 t\u1eadp \u0111o\u00e0n c\u00f4ng ngh\u1ec7 tr\u1ef1c thu\u1ed9c Sovico Group. Ch\u00fang t\u00f4i t\u1eadp trung ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m vi\u1ec5n th\u00f4ng th\u1ebf h\u1ec7 m\u1edbi nh\u01b0 SkyFi \u2013 m\u1ea1ng di \u0111\u1ed9ng th\u1ebf h\u1ec7 m\u1edbi, cung c\u1ea5p SIM v\u1eadt l\u00fd v\u00e0 eSIM v\u1edbi c\u00e1c g\u00f3i […]<\/p>\n","protected":false},"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"class_list":["post-15477","job","type-job","status-publish","hentry","company-galaxy-telecom","field-tech","job_type-full-time","location-ha-noi"],"acf":[],"_links":{"self":[{"href":"https:\/\/galaxyholdings.co\/en\/wp-json\/wp\/v2\/job\/15477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/galaxyholdings.co\/en\/wp-json\/wp\/v2\/job"}],"about":[{"href":"https:\/\/galaxyholdings.co\/en\/wp-json\/wp\/v2\/types\/job"}],"wp:attachment":[{"href":"https:\/\/galaxyholdings.co\/en\/wp-json\/wp\/v2\/media?parent=15477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}