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Yevgeny — jekasumy  
System administration · Software and server configuration
Ukraine Sumy, Ukraine
Professional system administration. Linux/Unix.
9361
 435  0

My Skills and Experience I specialize in and work with various operating systems: Debian Ubuntu RHEL CentOS FreeBSD Windows I work with server hardware: IBM HP ProLiant Dell PowerEdge Supermicro I know how the following software should work: Web: Apache, Nginx, Lighttpd, OpenLiteSpeed Mail: Exim, Postfix, Dovecot FTP: ProFTPd, vsftpd, PureFTPd DNS: BIND, PowerDNS DHCP Gateway: NAT, traffic shaping Proxy: Squid Directory: LDAP AAA: FreeRADIUS VPN: IPsec-based, OpenVPN, PPTP, L2TP TFTP NTP Syslog TLS/SSL SNMP Virtualization: KVM, Xen, VMware ESX, OpenVZ, Proxmox Backup and Restore: RSYNC Revision Control Systems: CVS, SVN, Git File Sharing: NFS, SMB Software-Defined/Network-Based Storages: DRBD, Ceph, iSCSI, AoE Printing Systems: CUPS I am familiar with databases: PostgreSQL MySQL I have experience with monitoring systems: Zabbix Cacti Munin I also work with: Telephony: Asterisk (FreePBX, Elastix, MikoPBX) Routers: Mikrotik, All (Firmware OpenWRT, DD-WRT), hardware repair Billing systems for Internet Service Providers: Abills, Ubilling (building networks from scratch) Billing systems for hosting providers: BillManager, RootPanel, WHMCS Hosting panels: ISPManager, CPANEL, BrainyCP, VestaCP, ISPConfig, aaPanel, HestiaCP PON equipment (ONU, OLT): BDCOM Switches: Mikrotik, D-Link, TP-LINK, Cisco I have extensive experience in these areas. Feel free to reach out to me, I'll answer all your questions! Please note: I do not engage in website development.
  • abills
  • bgp
  • billing
  • CloudLinux
  • cPanel
  • hestiacp
  • ISPmanager
  • linux / windows
  • Mikrotik
  • nginx
  • routeros
  • VestaCP
  • Zabbix

Node.js · JavaScript
Ukraine Zhitomir, Ukraine
7226
 37  0

Hi all! I am a Full Stack JS/TS web developer. I know programming languages: JavaScript, TypeScript PHP, SQL I also own: Node.js, Socket.io, Vue+Vuex, RxJS, Lodash, JQuery, ES6, Webpack, PostgreSQL, mocha, reducer, Angular4, MongoDB, Ionic Parsing sites of any complexity. I also have good experience in Ubuntu server system administration: LEMP, LAMP, SSH, SSHFS, FTP, VSFTPD, VPN (PPTP, OpenVPN), Squid, davfs2, iptables. Not only the basic installation of the server software, but also the security settings of the server. I devote myself entirely to freelancing, so I complete projects as soon as possible and always in touch. The approach to each client and each project is as individual as possible. Attentive attention to detail and careful study of all elements. I am not chasing quantity, but working on the level of quality to please you and increase my degree of professionalism. How is the order? 1) You write to me about your order. 2) I set prices and terms. 3) We discuss the order in more detail. 4) I start the implementation, inform you about the progress of the work, discuss the issues that have arisen. 5) I show you the work. 6) I am finalizing the order in response to your comments. 7) You get a completely finished work. I do quality work and quickly. All my clients are always satisfied with my work.
  • Apollo GraphQL
  • blockchain
  • Chrome Extensions
  • cypress
  • docker
  • jquery
  • mongodb
  • Nestjs
  • postgresql
  • Vue.js

Roman — rlavrinenko  
System administration · Software and server configuration
Ukraine Kyiv, Ukraine
3008
 127  0
  • anti-ddos
  • apache2
  • bash
  • debian
  • freebsd
  • ftp
  • LAMP
  • lemp
  • Mikrotik
  • nginx
  • proxy
  • pxe
  • ubuntu
  • Windows Server

Contextual advertising · Online stores and e-commerce
Ukraine Kyiv, Ukraine
A desire has 100 possibilities. There are 1,000 reasons for reluctance
1807
 9  0

Hello I am decent, scrupulous, attentive, energetic, sociable, self-disciplined, with a sense of humor. I am not afraid of responsibility. I know how to find a common language with people. Like travelling. With the equipment - it's up to you. I am constantly developing and improving. I like to learn everything new and unknown I am a certified PPC marketing expert with over 5 years of experience. I can help you with: Advertising (Google Ads); Google Shopping; Google Analytics; SEO; Video (filming, editing, advertising). I have promotion experience in the following subjects (the list is constantly updated): stomatology (UAE / Ukraine); ‍⚕️ medical clinic; rent of office premises; sphere of HoReCa (hotels, restaurants); services for cleaning and filling pools, cleaning graffiti from walls, etc. (Canada); online book store; online store of non-standard solutions; ☢ sale of the chemical industry; sale of carpet; sale of balconies (Germany); sale and rental of equipment; online store of food for cats and dogs; online underwear store; sale of building materials; ♻ sale of industrial ventilation, pumps, heating and electrical engineering; ☀ sale of solar panels/batteries/stations; army online store; online store of measuring equipment; online store of electronics, household appliances, accessories and household goods for home and garden; tent production (Poland); logistics company; taxi service; landscape design; auditor, bankruptcy; security systems; construction of sales departments; ‍ psychological and pedagogical center; circles for children; ‍♂️ summer camp for children physiotherapist services (Canada); website development, creation of a unique design; writing course and diploma theses; opening/franchising turnkey beer stores. There is also a team of IT experts (site development, software/server settings, system administration, 1C, etc.) Tools I know how to use ⚡ Advertising tools: Google Ads (+ Google Keyword planner) - account management, collection of semantics and minus words, evaluation of phrases according to the cost of promotion, popularity, competition, traffic, etc. Keyword Tool (collection of semantics and search tips) KeyCollector (collection of semantics, analysis of phrases according to the cost of promotion, popularity, competition, traffic, etc.) ⚡ e-commerce: Google Merchant Center (creating and filling out an account, feed) Google Shopping (creation and management of advertising campaigns) ⚡ Web analytics: Google Analytics (analytics and reporting) Google Looker Studio (beautiful and visual visualization of reports) - under study GTM - Google Tag Manager (independent management of tags on the site without the involvement of a programmer) Google Trends (tracking trends) Twitter Analytics (Twitter statistics) Binotel (end-to-end analytics and call tracking - call tracking and analysis) HotJar (feedback collection: click map, user behavior tracking, conversion funnel, etc.) iStat24 (call tracking) ⚡ Working with cards: Google My Business (creating a company profile in Google) ⚡ Work with video: Adobe Premiere Pro (video editing) Final Cut Pro (video editing) ⚡ Work with images: Canva (creating banners) Crello (creating banners) Pixabay (selection of free images) Pexels (selection of free pictures) Freepik (selection of free pictures) ⚡ e-mail marketing: SendPulse (creating and sending mailings) ⚡ Online survey: Google Forms (filling in questionnaires, conducting surveys) ⚡ Systems of joint work: Trello (organization and management of projects, compilation and tracking of tasks) ⚡ Online chat: JivoSite (customer site chat) ⚡ Work in CMS: WordPress Joomla Drupal Laravel (web framework) ⚡ others: FileZilla (FTP client) TeamViewer (remote connection and support) Do you have a project? Get in touch! I will be happy to help!
  • Google Adwords
  • google merchant center
  • google tag manager
  • google_ads
  • google_shopping

Oleg — zyzyka
Project management · Consulting
Ukraine Lvov, Ukraine
1467
 32  0

LanguagesPHP 5/7, Python, Javascript (ES3/5/6), HTML/CSSPHP-FrameworksYii 2, Symfony 3, Laravel 8Libraries and frameworks JSJQuery, AngularJS 2, Backbone 2; VueJS TechnologiesOOP, MVC, Design patterns, AJAX, RESTful, XML, JSONDocker, Bash, BootstrapAPI, SDKREST API, Apple Pay API, Bambora API, Liqpay API, Facebook API, Linkedin API, Twitter API, Google Map SDKDatabasesMS SQL, MySQL, PostgreSQL, MongoDB, DynamoDB, MariaDBInfrastructure &DeploymentJenkins, Apache, NGINX, Git, GitHub, Amazon Web Services, FTP, Virtual Machine, WAMP, Web Hosting, Vagrant

Web programming
Ukraine Chernigov, Ukraine
1192
 12  0

I have been working in the field of web development for more than 10 years. I position myself as a WordPress full-stack web developer. The main direction is web development on the Wordpress platform, as well as online stores development based on Woocommerce. I am looking for remote work. The accumulated experience allows you to complete almost any task. I have a strong background in web development, with a passion for building engaging, user-friendly and responsive websites that meet my client's needs. WEB-development • html, css, PHP, bootstrap, ajax, json, jquery, js, WordPress, WooCommerce, MySQL, • automation, scripting, • SEO optimization, • keeping the software up-to-date, preventing interference and hacking from the outside, • writing themes and plugins for wordpress, woocommerce, localization • figma to html/css/WP Wordpress, WooCommerce • theme and plugin development • page builders • custom post types, custom fields, user roles • optimization and SEO • REST API Some of my works Woocommerce fast order plugin presentation https://www.youtube.com/watch?v=x27LODWl-1E https://zdorovotm.com/ https://podarkionline.com.ua/ https://lavis.com.ua/ https://german-medical-concierge.eu/ https://onko-alternative.com/ Linux • Debian, Ubuntu, CentOS, Ubuntu server • Nginx/Apache • iptables, postfix, docker, mailcow, ftp, postgres, ssh Personal qualities: analytical mindset, creativity, responsibility, organization, learning and working with technical documentation, diligence, communication, punctuality, ability to work in a team, ability to learn quickly, systematicity.
  • Bootstrap
  • jquery
  • woocommerce

Software and server configuration · Web programming
Ukraine Zhitomir, Ukraine
852
 18  1

Installing, configuring and maintaining servers. Frequently serviced services: Apache, Nginx, PHP, MySQL, FTP (vsftpd, proftpd), Mail server (Dovecot+Postfix+Roundcube), SVN/GIT, Asterisk (VoIP/Vicidial), SMS Server for GoIPx gateways, Samba, Internet-Gateway , Squid/Dansguardian, VPN/OpenVPN for accessing internal company resources from outside. Setting up and working with Elgato SIM bank, Elgato GSM gateways and GoIPx GSM gateways, setting up and maintaining computer client systems and workstations, setting up and maintaining small local networks. Router settings: Mikrotik, EdgeRouter, Keenetik, Ubiquiti Wi-Fi hotspots Setting up DVRs and IP cameras: Dahua, Hikvision
  • apache
  • debian
  • dovecot
  • ISPmanager
  • nginx
  • postfix
  • ubuntu
  • vicidial

Web programming · Website development
Ukraine Kherson, Ukraine
427
 6  0

Front-end developer with 2 years of experience. I have extensive experience working on corporate websites, stores, and web projects. I have experience in teamwork. - CMS: Wordpress, Wix. -Wordpress: Elementor/WPBakery/Gutenberg/Layout with landing, creating themes (ACF), hooks (php), Woocommerce (setup, payment, product customization), PHP Wordpress, writing plugins, working with APIs, fixing errors, Ajax + jQuery and Wordpress Rest API. -Proficient knowledge of JS, PHP, HTML/CSS, SASS/SCSS, responsive layout (perfectpixel), git. - JS: ECMAScript6+ , jQuery, Ajax + JQ, canvas(html5 games, web graphics), React + Redux3(Creating and editing multi-page SPAs, APIs and libraries for UI and logic, interacting with backend) , using libraries and APIs - Layouts: figma, adobe photoshop. -Adaptive layout (including perfectpixel) taking into account bem (styles and file system) semantics on bootstrap 4/5, flexbox, grid, animation on jq or js libraries, popup, use of preprocessors in layout. - I am familiar with and use: git, ftp/ssh, npm, Prepros, basic hosting setup skills. I am ready to take on a large project (10+ pages) and not so large (landing pages, etc.).
  • ajax
  • landing page
  • React
  • woocommerce

System administration · DevOps
Ukraine Rovno, Ukraine
348

- Development, design, maintenance of the computer networks, computer equipment, network services, improvement and analysis of existing network, server, and service infrastructure; - Users’ technical and software support; - Setting up and maintaining Microsoft based operation systems WinXX, Windows Server 20XX; - Setting up and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD; - Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS, NAS, VPN; - VoIP servers; - AD, LDAP, AAD; - Extensive experience with DigitalOcean, Amazon AWS, GCP, Vultr, Azure, and other cloud service providers; - Ubiquity, Mikrotik, Cisco, Dell, HP, Fortigate, SonicWall network equipment; - Intrusion detection/prevention services (IPS, IDS, SNORT, Suricata) firewall (routing, VLAN, ACL, Proxy, NAT, DMZ), CARP, HA; - HP, Supermicro, DELL, Fujitsu Siemens, IBM, Lenovo, EMC, NetApp equipment; - Website administration (WordPress, Joomla, PHP, HTML, css etc.); - Virtualization (Proxmox, Virtualbox, VMware, HyperV); - etc
  • Mikrotik
  • System Administrator
  • Windows Server

DevOps · System administration
Ukraine Kharkiv, Ukraine
I can manage with anything. If I don't know how to do something, I'll learn and complete it.
318

- I am a System Engineer with more than 20 years of extensive experience in systems design, administration, support including 5 years working as a DevOps Engineer. - My expertise encompasses effective planning, design, installation, configuration, maintenance, and optimization of IT systems for achieving high availability and performance. - I am skilled in working with cloud computing platforms such as Amazon Web Services, creating and configuring the infrastructure using IaC tools, and working with CI/CD process and source control tools. - Additionally, I have experience as a Chief Technology Officer and Head of IT Department with 6 immediate subordinates and general team of 12 employees. It helped me to develop good planning and organizational skills, so I am confident working independently or as part of a team. - work as an individual entrepreneur. CLOUDS - AWS: EC2, IAM, AMI, S3, VPC, SubNets, SecurityGroup, ACL, Routing, NAT GW, InternetGW, BastionHost, VPN, Route53, Lamda, ALB, ELB, Auto Scaling Group, Parameter Store, SNS, SQS, WAF, CloudFront, CodeCommit, Beanstalk, EKS, Kinesis, Redis OS FreeBSD, Linux (Ubuntu, CentOS, AWS Linux) VIRTUALIZATION Docker, Docker-Compose, Kubernetes ( K8s ), KVM, VMware ESXi MONITORING Nagios, Zabbix, Prometheus MySQL optimization, clustering (replication setup, configuration, recovering) IaC, Config control Terraform, SaltStack, Ansible Dev auto tools : Jenkins (groovy scripting), GitLab (CI/CD, configuring gitlab-ci.yml) Version control : Git Scripting : Bash, Python NETWORKING - NET : TCP / IP stack. CARP - Routing : OSPF, BGP - CISCO : vlan, trunk, ports aggregation LACP, static routes configuring, acl. FAILOVER RAID, link aggregation; redundant channels and STP, net interfaces aggregation, load balancing and traffic distribution at various levels of the OSI model (CARP, BGP, OSPF, Nginx, HProxyServer, CDN GeoDNS) TELEPHONY VoIP server Asterisk integrated with PBX (with PRI) PBX - Samsung iDCS 500 (PCMMC OfficeServManager 3.75) programming, cross patching and laying of SCS. Mitel 3300, wifi Mitel phones SATELLITE & GSM Seatel ACU, iDirect modem, FB250, Iridium, Internet/telephony/TV via satellite systems and a GSM operator. Misc ELK Stack (Kibana), Jira, FireWall (ipfw, pf, iptables), VPN (OpenVPN, mpd5, netgraph), Samba, Postfix, Exim, Apache, Nginx, php-fpm, FTP
  • Amazon AWS
  • ansible
  • DevOps engineer
  • docker
  • docker-compose
  • GCP
  • Gitlab-CI
  • jenkins
  • k8s
  • kubernetes
  • Networking
  • SaltStack
  • System Administrator
  • terraform