VoIP Developers for hire in Vietnam
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Sponsored Freelancers
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Co-Founder of Designveloper, an outsourcing company provides responsive, single page, real-time web application, cross platform mobile apps, games and VOIP implementation at affordable rate. Why choose me? 1. I communicate clearly, quickly, and I understand the full requirements before starting any work. 2. I...Co-Founder of Designveloper, an outsourcing company provides responsive, single page, real-time web application, cross platform mobile apps, games and VOIP implementation at affordable rate. Why choose me? 1. I communicate clearly, quickly, and I understand the full requirements before starting any work. 2. I care about results. I will do whatever it takes to get the job done right. 3. I have multiple levels of QA, quality assurance for accuracy and compliance. 5. I am trustworthy. As I’ve worked with many companies which are own a certain of reputation. Visit our blog https://www.designveloper.com/blog 6. I also adhere to practical and ethical professional conduct. 7. I bend over backwards for my clients. Yes, I work nights, weekends, and Holidays to meet deadlines. 8. I provide real time status of all work performed. 9. I ONLY charge for actual time worked. Be careful of low rate bidders, that charge low, but spend twice the amount of time or more. less
Hire liverz
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I am a skilled programmer with expertise in VB.NET, C#, and PHP. With a strong background in these programming languages, I have developed a wide range of applications and websites. In VB.NET, I have experience building Windows-based applications and have proficiency in utilizing the .NET framework to create robust...I am a skilled programmer with expertise in VB.NET, C#, and PHP. With a strong background in these programming languages, I have developed a wide range of applications and websites. In VB.NET, I have experience building Windows-based applications and have proficiency in utilizing the .NET framework to create robust and scalable software solutions. I am comfortable working with various libraries and frameworks within the VB.NET ecosystem. Similarly, in C#, I have a deep understanding of object-oriented programming principles and have successfully developed applications using the .NET framework. I am familiar with the latest features and best practices of C# and can leverage them to build efficient and maintainable code. Additionally, I am well-versed in PHP, a popular language for web development. I have created dynamic websites and web applications using PHP, along with frameworks such as Laravel and CodeIgniter. I am proficient in working with databases, implementing APIs, and integrating third-party services in PHP projects. Throughout my programming journey, I have gained expertise in writing clean, modular, and well-documented code. I am experienced in troubleshooting and debugging, ensuring the delivery of high-quality software solutions. With my strong command of VB.NET, C#, and PHP, I am capable of handling diverse programming tasks and adapting to different project requirements. I enjoy collaborating with teams and I am always eager to learn and explore new technologies to enhance my skills. less
Hire Ducnx4
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Having 8+ years of experience in application development and applications using Java language. ➢ Programming Language: • Working with Java (version 7, 8,11) in 8 years. • Working with Vertx, Spring Framework 4.x and Spring Boot 2.x • Can work with C#, C++ or Scala, Python • Can also work with Mobile...Having 8+ years of experience in application development and applications using Java language. ➢ Programming Language: • Working with Java (version 7, 8,11) in 8 years. • Working with Vertx, Spring Framework 4.x and Spring Boot 2.x • Can work with C#, C++ or Scala, Python • Can also work with Mobile like Kotlin, Android (native) too. ➢ Environment: • An advanced Unix (Ubuntu, Redhat or Unix) • Working on Windows user too less
Hire thuandq
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I am a Network Specialist and Security Engineer. I had more than 13 years of experience working with large corporations such as Samsung, Lotte or banks and financial companies in the field of network and security. i'm Network Project Manager for more than 200 projects. i'm here to help you in wide range of services...I am a Network Specialist and Security Engineer. I had more than 13 years of experience working with large corporations such as Samsung, Lotte or banks and financial companies in the field of network and security. i'm Network Project Manager for more than 200 projects. i'm here to help you in wide range of services include designing, implementing, troubleshooting and improving your network system & security. Certified to work with Cisco, Fortinet and others Opensource systems. Please feel free to reach out to me so we can start planning your next project! Below are services i will provide: + Hardware configure & troubleshoot: - Firewall : Cisco, Fortigate, Palo Alto, CheckPoint, Pfsense - Router, Switch : Cisco, Dell EMC, HP - Wireless : Cisco, Samsung, TP-Link, Dlink, Alcatel - VoIP : Avaya, Panasonic, Grandstreams - Server : Dell, HP + Software install and troubleshoot: - Installation any software in PC or Server + Support : - Remote support : configuration & administration your system - Presentation design - Simulate your network system by tool : Cisco Packet Tracer, GNS3, EVE-NG Beside my full-time job,I am also a Video Editor part time. I am doing Youtube Video Editing since last 4 years. I have done many video projects for domestic companies. I work on Davinci Resolve software. I can take your video to the next level with my editing skills. - Youtube Talking Head Video - Youtube Faceless Video - Youtube Shorts/ Tiktok Video - Youtube Thumnail - Photo Edit, Resize, Remove background or any things. Certificates: - CCNA - CCNP - CCSP - MCSA - LPI - ISO27001 I look forward to working with you. Please feel free contact me if you have any question. less
Hire hoatnv88
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Tôi là IT network , lĩnh vực chuyên về xây dựng, quản lý và bảo trì hệ thống mạng trong môi trường công nghệ thông tin. Các chuyên gia IT network chịu trách nhiệm xây dựng và duy trì mạng LAN, WLAN, MAN, WAN và VPN để đảm bảo việc truyền tải thông tin một cách hiệu quả và an toàn. Công việc của tôi IT network bao...Tôi là IT network , lĩnh vực chuyên về xây dựng, quản lý và bảo trì hệ thống mạng trong môi trường công nghệ thông tin. Các chuyên gia IT network chịu trách nhiệm xây dựng và duy trì mạng LAN, WLAN, MAN, WAN và VPN để đảm bảo việc truyền tải thông tin một cách hiệu quả và an toàn. Công việc của tôi IT network bao gồm: 1. Thiết kế mạng: Xác định các yêu cầu, lựa chọn công nghệ và thiết kế kiến trúc mạng phù hợp với nhu cầu của tổ chức. 2. Cài đặt mạng: Lắp đặt và cấu hình các thiết bị mạng như router, switch, firewall và access point để xây dựng mạng hoạt động. 3. Quản lý mạng: Giám sát và quản lý hoạt động của mạng, bao gồm theo dõi băng thông, định tuyến, quản lý địa chỉ IP và quản lý tài nguyên mạng. 4. Bảo mật mạng: Xác định và triển khai các biện pháp bảo mật mạng như tường lửa, mã hóa dữ liệu, xác thực và kiểm soát truy cập để bảo vệ mạng khỏi các mối đe dọa từ bên ngoài và bên trong. 5. Giải quyết sự cố mạng: Phân tích và khắc phục các vấn đề kỹ thuật, sự cố và hạn chế của mạng để đảm bảo hoạt động ổn định và liên tục. 6. Nâng cấp và mở rộng mạng: Đánh giá, lựa chọn và triển khai các công nghệ mới, mở rộng mạng để đáp ứng nhu cầu tăng trưởng và phát triển của tổ chức. 7. Đào tạo và hỗ trợ người dùng: Cung cấp hướng dẫn, đào tạo và hỗ trợ cho người dùng về cách sử dụng và tận dụng các dịch vụ mạng. Tôi có kiến thức vững về mạng, giao thức mạng, quản lý hệ thống và bảo mật. Kỹ năng giao tiếp, giải quyết vấn đề và làm việc nhóm cũng rất quan trọng. Tôi Đang làm việc trong các tổ chức công ty, tổ chức less
Hire phamvanvinh0906
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Hire kietcaodev
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i have knowlege with network device like :pfsense,cisco, fortigate, draytek,.. Have experience with Voip, Domain, unifi, Mail server, backup,.. Familiar with open source like linux, centos, virtualbox, zabbix.i have knowlege with network device like :pfsense,cisco, fortigate, draytek,.. Have experience with Voip, Domain, unifi, Mail server, backup,.. Familiar with open source like linux, centos, virtualbox, zabbix. less
Hire kuroganda
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TECHNICAL SKILLS: node.js express.js mongodb mongooseTECHNICAL SKILLS: node.js express.js mongodb mongoose less
Hire damphat
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Dear beloved Employers! Our group has the guys who work with passion, skills, and reliability. We serve you not only the highest quality, but also the satisfaction with our suggestions and solutions. We do your work and also provide you some suggestion as well as best solutions for your work. We understand the...Dear beloved Employers! Our group has the guys who work with passion, skills, and reliability. We serve you not only the highest quality, but also the satisfaction with our suggestions and solutions. We do your work and also provide you some suggestion as well as best solutions for your work. We understand the requirement of a wide range of employers. We are mainly in: 1. R programming language. 2. C, C++, Python, Java programming languages. 3. Analyze and visualize data, reveal the hidden meaning inside dataset. 4. Do assignment on AI, ML, Queueing Theory 5. Write article, technical report, survey. 6. Translate English-Vietname. 7. Doing IoT projects, say, supervise the growth of tomatoes using sensors, cameras, design and deploy smart home system. Please contact to us to get rid of your worries about your project, your assignments. less
Hire beandm
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OBJECTIVE Seeking a Site Reliability Engineer position that enables me to utilize my skills within the field to make a positive contribution to the organization. EXPERIENCE ONE MOUNT GROUP - https://www.onemount.com Dec 2019 — Present Job Title: SRE Engineer Duties: • Created and maintaining CI/CD flow for...OBJECTIVE Seeking a Site Reliability Engineer position that enables me to utilize my skills within the field to make a positive contribution to the organization. EXPERIENCE ONE MOUNT GROUP - https://www.onemount.com Dec 2019 — Present Job Title: SRE Engineer Duties: • Created and maintaining CI/CD flow for vinshop.vn application deployment using Gitlab CI and Ansible. • Migrated Vinshop application from on-premise to Google Cloud Platform. • Designed and administrating the centralized logging system which serve about 1,5 TB of event logs per day (splunk). • Administrating distributed messaging system (Kafka Confluent). • Administrating full text search system (ELK). • Optimized performance for core banking system (T24). VINCOMMERCE - https://www.adayroi.com Nov 2015 — Dec 2019 Job Title: Devops Engineer Duties: • Created and maintained CI/CD flow for adayroi.com application deployment. • Working on the project of upgrading Adayroi to version 3.0 which change our site architecture from monolithic to microservices. It was built on top of kubernetes cluster (managed by Rancher) with HPA, A/B testing features enabled. We using Istio to control traffic. Jenkins, Nexus, Bitbucket also used for auto deployment. • Working on the project of upgrading Adayroi to version 2.0 which was switched from .NET platform to JAVA. Its core is SAP Hybris which was auto deployed with CI/CD tools: Jenkins, Nexus, Bitbucket. • Administrator of Adayroi’s call center which used Cisco solution. Call center can serve 250 agents at the same time; Working on the project of integration Call center with Salesforce. • Administrator of others internal systems likes: Jira/Confluence, Bitbucket, Nexus, ChatOps, TFS, Salesforce CRM, 2FA VPN (Fortigate + FreeRadius); Setup Call center for VinFast – subsidiary of Vingroup. MOBIFONE PLUS - http://mobifoneplus.com.vn Nov 2013 — Oct 2015 Job Title: Sysops Engineer Duties: • Planning, sizing, setup environment and deploy in-house applications. • Administrator of all company’s systems including: MobiFone‘s Services Delivery Platform, Voucher Gateway, WAP/OPT Subscription system and other systems for campaigns. • Manage the integration with partners. • Setup and maintain monitoring system. • Create tools to collect data for accounting team. • Lead the monitoring team. TECHNICAL SKILLS • Docker, Kubernetes (RKE, GKE, EKS). • CI/CD tools: Jenkins, Gitlab-CI, Bitbucket Pipeline, Github Actions. • Cloud providers: GCP, AWS • IAC: Terraform. • Logging: Splunk, ELK. • Monitoring tools: Newrelic, Prometheus + grafana, zabbix • Messaging systems: Kafka zookeeper, Confluent, Redis cluster, Rabbit MQ. • Program language: bash script, Python. • Databases: Postgres, Mysql, MSSQL server. • Web servers: Apache, Nginx, IIS. • Network: CCNA. less
Hire vuvantubk
