Experience

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  Vega corp

  Jun 2008 - Dec 2008

  Software developer

  - Project: VLive.vn- Department: D9- Technology: PHP (Use CakePHP Framework), Javascript (JQuery), My SQL Server, FLV (H263), MP4 (H264) codec- Description: Social Network for sharing webcam videos between members. Friends can follow, like, comment and share these clips- Role: Design Database, Coding (PHP, Javascript), Install & build video encoder in linux environment

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  Vccorp

  Dec 2008 - Mar 2011

  Senior software developer

  - Project: LinkHay.com- Department: Social Media- Technology: PHP, Javascript, Java, MySQL Server, memcached, OAuth, APE, Rsync, Citrix, etc.- Description: Social Media for sharing links, news, images, videos, notes, etc. User can vote, follow, like, comment and share media in LinkHay and via to other social network such as FB, Twitter...- Role: Design Database, Coding (PHP, Javascript), Optimize performance, SEO

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  Viettel network technologies center - vttek

  Apr 2011 - Jun 2019

  Software project manager

  BCCS, OCS, PSCore, EPC Project* From 2011-04 to 2013-08Senior Software DeveloperViettel Telecom - Viettel Group- Project: vOCS, vVC- Technology: Java, Oracle Database, Timesten, Web Service, XML, .Net, etc- Description: Viettel Online Charging System, Viettel Voucher Center- Role: Design Business Flow & Database, Coding (Java Core), Review & Optimize Code for other members- Hardware: RMS* From 2013-09 to 2014-08Senior Software Developer - Head of Solution TeamVTCore - Viettel Group- Project: vBSC- Technology: C/C++, Java, Redis, MongoDB, ZK, Mantis, etc- Description: Viettel Base Station Controller- Role: Head of Solution Team, Design Business Flow & Database, Coding (Java Core), Review & Optimize Code for other members- Hardware: ATCA* From 2014-09 to 2017-10Project Manager - Head of PSCore DepartmentVTCore - Viettel Group- Project: vPSCore, vPCRF- Technology: Erlang, OTP, Mnesia, Java, Oracle, Timesten, ZK, Jenkins, IBM RTC, Klocwork, Mantis, etc.- Description: Viettel Packet Switching Core (3G), Viettel Policy Charging Rule Function- Role: Project Manager, Design System Architecture, Overall Design, Detail Design, Logical & Physical Model, Design Business Flow & Database, Coding (Erlang, Java Core), Review & Optimize Code for other members, Benchmark & Tuning performance system- Hardware: RMS* From 2017-11 to 2019-06Project Manager - Head of PGW Department - Chief System EngineerVTTEK - Viettel Group- Project: vPGW - Technology: Erlang, Mnesia, OTP, C/C++, DPDK, Java, Jersey, ZK, Web Service, NFV, IPv6, IBM RTC, Redmine, Sonarqube, Jenkins, GitLab, Docker, etc.- Description: Viettel Packet Data Network Gateway (4G - LTE)- Role: Project Manager, Design System Architecture, Overall Design, Detail Design, Logical & Physical Model, Design Node Level Redundancy, Load Balance, Design Business Flow & Database, Coding (Erlang, Java Core), Review & Optimize Code for other members, Benchmark & Tuning performance- Hardware: Blade Server Show less

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  Topica edtech group

  Jun 2019 - Feb 2020

  Software architect

  - Project: Edumall.vn- Technology: Microservice, Ruby on Rails, Java, Spring, ReactJS, Sidekiq, My SQL, Postgre, Mongo, Redis, Kafka, RabbitMQ, AWS SQS, S3, RDS, Redshift, Big Data, Hadoop, Nifi, Streamsets, Cloudera, Apache Kudu, Data Lake, Power BI, Tableau, Holistic, Kubernetes, Docker, CloudFront, CloudFlare, Check MK, Telegraf, Influx, Prometheus, Grafana, Graylog, Sentry, ELK, Selenium, Swagger, A/B Testing, Gitlab CI, Jira, Confluence, Lucidchart, Slack, Mattermost, etc.- Hardware: Amazon EC2, DO Show less

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  Tlh viet nam

  Mar 2020 - now

  Chief technology officer

  * From 2020-03 to 2020-04- Project: CMP (Cloud Management Platform)- Technology: Microservice, Rest API, Java, Spring, ReactJS, OpenStack, VMWare (vCenter, vCloudDirector), AWS, GCP, Azure, libvirt, Postgre SQL, Redis, RabbitMQ, Nginx, Big Data, Hadoop, Streamsets, Cloudera, Impala, Apache Kudu, Data Lake, Power BI, Kubernetes, Docker, Check MK, Telegraf, Influx, Prometheus, Grafana, Graylog, ELK, Selenium, Swagger, A/B Testing, Gitlab CI, Jira, Confluence, DrawIO, etc.- Hardware: Cloud Server * From 2020-04 to Present- Project: E-INVOICE, eSIM, eCommerce, My Viettel, SME Portal, CSO, Price Engine, Promotion Engine, Salary, Marketing, Bidding, Party API, SMDP+, ES2+, ES9+, ...- Technology: Microservice, Java, Spring, Webflux, Reactor, JHipster, WebService, SOAP, XML, JSF, PrimeFace, JREBel, Angular, React, Redux, Ant Design, Unity, C#, numPy, Pandas, Oracle, Redis, Aerospike, Solr, ES, Kafka, Tomcat, Kubernetes, Docker, Prometheus, Grafana, Echart, Graylog, ELK, Selenium, Gitlab CI, Jira, Confluence, DrawIO, etc.- Hardware: Cloud Server Show less