Switch to English?
Yes
Переключитись на українську?
Так
Переключиться на русскую?
Да
Przełączyć się na polską?
Tak

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

1C · Application programming
Ukraine Dnepr, Ukraine
2550
 38  0

Sergii Yanov System Administrator, Programmer Skills Automation of accounting and finance. Business process development. Analysis and resolution of software issues, including 1C. Project development and technical documentation. Development and implementation of data analysis systems. Integration of software systems. Planning and deployment of network and technical infrastructure. Maintenance and repair of computer and server hardware. Deployment of monitoring and backup systems. Development, optimization, and implementation of network infrastructure. Configuration and maintenance of networking devices (including Microtik and Cisco). Virtualization system setup. Selection and optimization of hardware. Software development and customization. Work History Jun 2017 - Oct 2023 Freelancer Private Entrepreneur Yanov S.V., Dnipro My professional activities encompass a variety of projects related to equipping, optimizing, supporting, and implementing the information infrastructure of enterprises. I am also involved in servicing and repairing computer equipment, as well as server infrastructure based on Windows and Linux platforms. My work includes deploying monitoring systems and creating data backups to ensure the reliability and security of information. I design, implement, and integrate the network infrastructure of enterprises, as well as configure and maintain network equipment. In my toolkit, there is also the configuration and maintenance of virtualization systems, virtual servers, and workstations. I engage in selecting and optimizing hardware for various projects, such as accounting systems, CRM, and web products. Additionally, I develop and customize software, including CRM systems, web applications, and accounting systems. My professional scope also encompasses configuring network equipment, including devices from Microtik, Cisco, and other manufacturers. I have experience working with various models and brands of network equipment, ensuring its proper functioning and alignment with the infrastructure needs of enterprises. Mar 2016 - Jun 2017 Analyst-Programmer of Information Systems Biosphere Corporation, Dnipro In my previous role at Biosphere Corporation, I undertook a diverse array of pivotal responsibilities geared towards enhancing operational efficiency and the agility of corporate procedures: My contributions significantly bolstered operational efficiency, curtailed risks, and elevated corporate resource management. I was an integral part of a team fervently dedicated to the continual enhancement and innovation within the realm of information technology and corporate process governance. Furthermore, my responsibilities extended to strategic planning and the deployment of network and technical infrastructure meticulously tailored to the specific requirements of my projects. This task demanded not only the formulation of an optimal infrastructure to underpin business processes but also the assurance that each project boasted a dependable and high-performance technical foundation. Aug 2013 - Mar 2016 IT Director Exim Textile LLC, Dnipro My experience includes deploying server and network infrastructure, implementing, supporting, and enhancing the 1C ERP system, as well as automating warehouse operations. My responsibilities encompassed the following key aspects: All these tasks required a wide range of knowledge and skills in the fields of information technology, accounting, and business process automation. My work contributed to enhancing the company's efficiency and competitiveness by ensuring the reliability and accuracy of information systems, as well as optimizing resource and process management." Please note that this translation is provided for reference, and you may want to review it for any specific terminology or context adjustments depending on your needs. Mar 2003 - Jul 2013 Director Private Entrepreneurship (PE) SV-Service, Dnipro Technical IT Maintenance and Repair: Diagnostics and repair of computers, laptops, and tablets of various brands and models. Installation and configuration of operating systems (Windows, Linux, macOS) and application software. Replacement and maintenance of hard drives, RAM, motherboards, graphics cards, and other components. Collaborating with clients to identify and resolve technical issues, providing technical support and guidance. Installation and updating of antivirus programs and ensuring data security. Technical Maintenance of Office Networks: Regular technical maintenance of office computers and networks. Troubleshooting hardware and software issues to minimize downtime for employees. Managing computer equipment inventory and upgrading components as needed. Assisting users with computer and software setup and usage. Working with 1C Products: Selection and consultation of clients on suitable 1C products based on their needs and business processes. Active participation in sales, including product presentations, creating commercial proposals, and contract negotiations. Implementation and configuration of 1C products for clients, including user training and initial support. Project management for the implementation of 1C solutions, from requirements gathering to successful deployment. Website Development and Integrations: Website development using modern technologies and platforms. Customizing accounting systems to meet client-specific requirements. Developing integrations to optimize business processes and data exchange between various systems. Aug 2001 - Feb 2002 Systems Administrator State Enterprise "UkroptGroceries", Dnipro My professional activity focuses on ensuring the reliable and uninterrupted operation of the enterprise's information infrastructure, as well as on the development and improvement of software for financial and production management. My role includes the following key responsibilities: Windows Server Management and Administration: Optimization and support of Windows-based computers and servers to ensure high performance and reliability. Deployment and configuration of new servers, as well as data migration when necessary. Management and monitoring of server resources to prevent overloads and failures. Network Infrastructure and Security: Configuration and support of network devices, including routers, switches, and firewalls, to ensure reliable connectivity and security. Configuration and updating of software, including patch installation and security updates, to minimize vulnerabilities and risks. Data Management and Backup: Implementation of a data monitoring and automatic backup system to ensure data integrity and rapid recovery in case of failures. Development and implementation of data storage strategies for efficient resource management and data availability. Data Security and Network Security: Configuration and maintenance of firewalls and antivirus systems to ensure a high level of data and network security. Development and implementation of security policies, as well as monitoring and response to potential threats. User Support and Accounting: Providing technical support to employees, including troubleshooting technical issues and IT consulting. Installation, support, and customization of software for financial and production management to optimize business processes and improve efficiency. This comprehensive approach allows me to effectively manage and maintain the IT infrastructure, ensuring its stability, security, and alignment with the organization's goals Education Sep 1998 - Jun 2003 Specialist's Degree: Transport Process Management Dnipro National University of Railway Transport - Dnipro, Ukraine Sep 1987 - May 1998 High School School #139 - Dnipro, Ukraine Car repair and various electrical equipment repair Languages Russian: Native language. Ukrainian: Native language. English: Intermediate, actively learning.
  • delphi
  • odoo
  • PHP Backend Developer

Vitalii — o_vit
Website development · Prototyping
Ukraine Kharkiv, Ukraine
1797
 49  0

Professional layout, development of Wordpress, Elementor sites. Certified Google Analytics specialist. Prototyping in Axure. Development of business card sites, landing pages, online stores, fast, high-quality, beautiful. IT consulting, computer networks, hardware. Training, consultations.
  • elementor pro
  • Gutenberg&elementor
  • woocommerce

Embedded systems and microcontrollers · Engineering
Ukraine Aleksandriya, Ukraine
1245
 18  1
  • Altium Designer
  • avr
  • C/CPP
  • Electronics
  • esp8266
  • Firmware Developer
  • Hardware
  • Microcontroller
  • simulink
  • stm32

Inna — Inna-Rizhova  
Article writing · Content management
Ukraine Zaporozhe, Ukraine
I do for you as for myself
1128
 12  0

Hello! I am a technical copywriter I have been working freelance since 2014. Furthermore, I have five years of experience working in an IT service company, two years in a product IT company (cybersecurity services and hardware solutions). She worked as a technical support manager, copywriter, and editor-in-chief. I can write you texts of any complexity (except for scientific papers — coursework, I don’t write dissertations), including for blogs. I'm a thoughtful and attentive generalist writer with a real knack for delving into new topics. There are no technical or humanitarian difficulties. I can also offer the services of a content manager — I will type up articles or help with adding product cards. Courses copywriting; editing and fact checking; SEO specialist; marketing specialist; HTML, CSS layout; graphic, web, UI/UX design. Skills writing articles of any complexity; creating content of any format: analytics, interviews, expert opinion; work with authors; CA analysis; competitor analysis; collection of semantics and clustering of the semantic core; Internet marketing promotion; development of a content strategy for blogs and/or social networks; checking and placing texts on the site (content manager skills); team work and project management (work as the chief editor of the blog); creation of prototypes for landings; layout HTML, CSS; layout of e-mail letters; creating websites on Wordpress (including multilingual ones); adding products to the Outlet through the Pricecreator service. I will be happy to help your business by completing the assigned task on time and according to the TOR. Write, I'm sure I have something to offer you! I always answer within 24 hours.
  • landing page

Linux and Unix · Python
Ukraine Dnepr, Ukraine
578
 8  0

Motivated and responsible specialist with extensive experience in system administration and programming. I have deep knowledge in Linux, Bash, Python, Lua, SQL, as well as in the development of automated control systems for production based on PLC Delta DVP, AS200/AS300 and operator panels Delta DOP-100. I value deadlines and attention to details. In search of new challenges to expand my experience and skills.Skills and Competencies Linux: Experienced user, knowledge of the command line, setup and administration of servers. Bash: Development of scripts for process automation. Python: Development of applications of varying complexity, use of web frameworks, writing scripts for automation. Lua: Programming experience, use in integrated systems. SQL: Knowledge of database structure, creation of queries for data analysis. Development of automated control systems based on PLC Delta DVP, AS200/AS300 and operator panels Delta DOP-100: Experience with hardware and software tools, creation of optimized solutions for production.

Node.js · Python
Armenia Armenia
571
 5  0
  • esp8266 esp32
  • Hardware
  • NodeMCU
  • raspberry

Testing and QA
Ukraine Cherkassy, Ukraine
The only way to get smarter is by playing a smarter opponent
417

Results-driven QA Engineer with over 2 years of experience in the software testing industry. Proficient in various testing methodologies, including manual and automated testing, regression testing. Skilled in identifying and documenting defects, analysing test results, and collaborating with cross-functional teams to ensure high-quality software delivery. /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Projects: NDA (capital planning software) Role: QA Lead Team: BE (4), FE (1), PO, PM, CTO, QA (3), AQA (1), Designer (1), DevOps (1) Manual Testing, Requirements analysis, Agile Methodologies, SDLC, STLC, Communication, Analytical Skills, Test Planning Regression, Usability, Integration, E2E testing, Functional, UAT, Smoke, Sanity, Stress, Load NDA (booking platform built for independent practices) Role: QA Engineer Team: BE, FE, BA, PM, Mobile Dev (Flutter), QA Manual Testing, Requirements analysis, Agile Methodologies, SDLC, STLC, Communication, Analytical Skills, Test Planning Regression, Usability, Integration, E2E testing, Functional, UAT, Smoke, Sanity, NDA (task management system) Role: Software Tester Team: BE, FE, TechLead, PM, QA Manual Testing, Requirements analysis, Agile Methodologies, SDLC, STLC, Communication, Analytical Skills, Test Planning Regression, Usability, Integration, E2E testing, Functional, UAT, Smoke, Sanity, /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Language Skills English - Upper-Intermediate (B2) Polish - Upper-Intermediate (B2) Ukrainian - Fluent (С2) /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Devices Macbook Air M1 2020 iPad Pro 11 iPhone 13 Xiaomi Redmi Note 12 Pro 5G Skills Manual Testing, Analytical Skills, Test Planning, Requirements analysis, Agile Methodologies, SDLC, STLC, Communication System, Regression, Usability, Integration, Stress, Load, E2E testing, Functional, UAT, Smoke, Sanity Tools: AWS, Cypress, Postman, Swagger, Chrome DevTools, VS Code, Git, Charles Proxy, Android Studio, JMeter, Docker Task Management Systems: Jira, Asana, Trello, ClickUp. Web: HTML5, CSS3, SQL, JS (basic) OS: Windows, Mac OS, Android, iOS Experience QA Engineer / QA Lead Sloboda Studio Aug 2021 – Present - Requirements gathering, design and implementation - Fixing/sustaining automation tests (Cypress) - Reporting & controlling defects - Support, design and creation of test documentation(check-lists, test cases, etc.) - Perform manually functional and non-functional, UI/API, exploratory, regression testing - Participation in planning/estimation/engineering meetings - Reviewing and analysing automation tests runs Systen Administrator NJob Sp. z o. o. Feb 2019 – Oct 2019 (9 mos) - Installation and testing of computer hardware and software. - Identification and troubleshooting in system and new software - Organization of the reception of new candidates and information support. - Preparation of documents to legalize the work of foreigners. - Providing technical support for both hardware and software issues our users encounter. - Information support for candidates during work. - Creation and verification of data backups. - Updating systems and processes in accordance with the requirements of advanced functionality and solving security problems. - Infrastructure administration, including firewalls, databases, anti-malware software and other processes. Junior Systen Administrator PRO Sp. z o. o. Mar 2017 – May 2018 (1 yr 3 mos) - Maintaining the computer system of a company - Providing end-user support, resolving technical issues and providing technical assistance for all operating systems - Providing remote support via phone for end-user - Maintenance of the business software applications - Implementing, installing, configuration, monitoring, troubleshooting in systems - Confering with analysts or other system administrators. Software Tester (Support Specialist) TestMatick May 2015 – Sep 2015 (5 mos) - Comprehensive customer service via email and live chat. - Reporting problems and customer feedback. - Fixing requests from customers about errors found via email or phone. - Manual web testing and cross-browser testing - Testing mobile applications - Providing a description of detected errors and working with the JIRA system. - Creation of test documentation(test cases and checklists) Licenses & certificationsHTML Fundamentals course - Sololearn Issued Apr 2020 Credential ID 1014-8185643 CSS Fundamentals course - Sololearn Issued Apr 2020 Credential ID 1023-8185643 jQuery Tutorial course - Sololearn Issued May 2020 Credential ID 1082-8185643 JavaScript Tutorial course - Sololearn Issued May 2020 Credential ID 1024-8185643 SQL Fundamentals course - Sololearn Issued May 2020 Credential ID 1060-8185643 Certificate of completing the "Fundamentals of Software Testing" course from QATestLab - QATestLab Issued Nov 2021 Credential ID 405230
  • asana
  • creating bug reports
  • Functional testing
  • jira
  • Mantis
  • Manual testing
  • Polish language
  • Postman
  • QA Engineer
  • regression testing
  • Rest API testing
  • technical english
  • Test Cases
  • Test design
  • Testlink
  • web testing

System administration · System administration
Ukraine Kyiv, Ukraine
409
 3  0
  • cloud app administration
  • computer hardware
  • computer software
  • confluence cloud
  • Google Workspace
  • jira cloud
  • linux / windows
  • Mikrotik
  • nginx
  • security expert
  • Technical documentation
  • vmware
  • Windows Server

Dmitro — techsd
Embedded systems and microcontrollers · Geographic information systems
Ukraine Kharkiv, Ukraine
394

I lived in the wonderful city of Kharkiv. I love the scientific method of learning Richard Phillips Feynman Skills Git, RTOS, Networking, HTML, CSS, Apache, Linux, API, pentesting, CI/CD, Python, Kubernetes, TCP/IP, Docker, Metasploit, Qt5, Reverse Engineering, AWS, DevOps, Nginx, Ubuntu, DNS, VPN, Jenkins, Postman, JSON, Terraform, Jira, GCP, PostgreSQL, Gitlab CI, Penetration, REST API, Network administration, VirtualBox, System Administration, YAML, SOAP, computer hardware, Django, HAProxy, load balancing, XML, Windows, Mikrotik, DHCP, RDP, Wordpress, bash, Blockchain, Cryptocurrency, Embedded interfaces, microcontroller PIC Atmega, ARM MCU embedded, API orchestration, Architect database, Android,
  • avr
  • breakjail
  • C/CPP
  • docker
  • kubernetes
  • Metasploit
  • PCB
  • reverse engineering
  • stm32