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C# · Microsoft .NET
Ukraine Lvov, Ukraine
1750
 46  4
  • ASP.NET Core
  • AzureDevops
  • Blazor
  • c plus plus developer
  • c# .net developer
  • docker
  • Entity Framework
  • ffmpeg
  • MySQL/MsSQL/NoSQL
  • OpenCV
  • opengl
  • Postgre SQL
  • python developer
  • Redis / PostgreSQL / MySQL
  • RESTful

Gaming applications · C and C++
Ukraine Chudnov, Ukraine
832
 17  0
  • OpenAL
  • opengl
  • Visual studio C

Application programming · C and C++
Ukraine Odessa, Ukraine
471
 4  0
  • Cocos2D
  • opengl

C and C++ · Embedded systems and microcontrollers
Ukraine Rovno, Ukraine
292
 10  1
  • C/CPP
  • Linux\UNIX
  • opengl
  • Rendering portal system — example of a freelancer's portfolio in the category Gaming applications
  • The 3D game — example of a freelancer's portfolio in the category Gaming applications
  • Simulation of fluid — example of a freelancer's portfolio in the category Data processing

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

PHP · JavaScript
Ukraine Kamenets-Podolskii, Ukraine
428
 11  0
  • Bitrix
  • Google api
  • openlayers

C and C++
Ukraine Kyiv, Ukraine
199
 2  0
  • CUDA
  • imacros
  • OpenCL

JavaScript · HTML and CSS
Ukraine Ukraine
188

Vasyl Berkoz | https://github.com/vberkoz SummarySkilled and motivated full-stack developer with 6 years of experience in designing and implementing web applications. Proficient in both front-end and back-end technologies, with a strong emphasis on JavaScript, React, Angular, Node.js, and database management. Committed to delivering high-quality code and collaborating effectively with cross-functional teams to achieve project goals. SkillsProgramming Languages: JavaScript (ES6+), HTML5, CSS3, TypeScriptFront-end Technologies: React, Next.js, Angular, Bootstrap, TailwindBack-end Technologies: Node.js, Express.js, RESTful APIs, tRPC, PrismaDatabases: MySQL, PostgreSQL, MSSQLVersion Control: Git, GitHubDeployment: AWS, Docker, Vercel, NetlifyAgile Methodologies: Scrum, KanbanProblem Solving, Analytical Thinking, Collaboration, Attention to Detail ExperienceFront-End Developer | WSP digital agency | Chernivtsi, Ukraine | Sep 2016 - Jan 2017 | 5 monthsDeveloped and maintained website using JavaScript, HTML, CSS.Integrated third-party APIs and services to enhance website functionality.Collaborated with cross-functional teams including designers, product managers, and QA engineers to ensure project requirements were met. Full-Stack Developer | VF&Soft | New York, NY | From Sep 2017 | 5 yearsDeveloped and maintained web applications using React, Angular, Node.js, and Express.js.Implemented responsive and user-friendly UI components with React, Angular, HTML, CSS, and Bootstrap.Integrated third-party APIs and services to enhance application functionality.Designed and implemented RESTful APIs for seamless data communication between the front-end and back-end.Developed database schemas and implemented data models using MySQL, MSSQLServer and PostgreSQL.Collaborated with cross-functional teams including designers, product managers, and QA engineers to ensure project requirements were met.Worked in an Agile environment, utilizing Scrum methodology to manage and prioritize tasks. Education Bachelor’s degree in Computer Science | Yuriy Fedkovych National University | Chernivtsi Ukraine | 2001 - 2006 Additional InformationCourses: JavaScript, Angular.Languages: English and Polish at B1 level, fluent in Ukrainian and Russian. ProjectsFurniture shop website | Role: Full-Stack Developer | Sep 2016 - Jan 2017Description: E-commerce website for selling furniture.Technologies used: JavaScript, HTML, CSS.Responsibilities: New features development, Fixing legacy code, Building UI, Refactoring. Land management platform | Role: Front-End Developer | Sep 2017 - Mar 2018Description: Application for managing land and natural resources.Technologies used: AngularJS, OpenLayers.Responsibilities: Developing new features, Fixing legacy code, Tasks estimation. Medication reminder | Role: Front-End Developer | Apr - Jun 2018Description: iOS-based application for medication reminding.Technologies used: React Native.Responsibilities: Developing new features, Building UI, Tasks estimation, Client conversations. IT company website | Role: Front-End Developer | Jul - Nov 2018Description: Website for IT company based.Technologies used: React, CSS.Responsibilities: Developing new features, Fixing legacy code, Tasks estimation. House repair service company website | Role: Full-Stack Developer | Dec 2018 - Feb 2019Description: Website for residential and commercial home improvement contractor based.Technologies used: Angular, AWS Lambda, AWS DynamoDB, Netlify.Responsibilities: Developing new features, Fixing legacy code, Building UI, DB Schemas creation. Job platform | Role: Full-Stack Developer | Mar - Sep 2019Description: Job platform for introducing candidates to employers.Technologies used: JavaScript, React.js, PostgreSQL.Responsibilities: Developing new features, Fixing legacy code, DB Schemas creation, Building UI, Tasks estimation, Client conversations. Document management platform | Role: DevOps, Back-End Developer | Oct 2019 - Sep 2019Description: Platform for managing medical documents with user plans and PayPal payments.Technologies used: Nuxeo, Elasticsearch, PostgreSQL, Java, JavaScript, Node.js, Express.js, Docker, Maven, PayPal.Responsibilities: Creating Docker image for project purposes, creating structure generation script, adaptation existing structure for project purposes. Creating REST API with PayPal integration. Healthcare management platform | Role: Full-Stack Developer | Jan 2021 - Jul 2022Description: Platform for managing healthcare providers, patients, electronical medical records and calculating insurance scores.Technologies used: Angular, NodeJS, ExpressJS, Postgres, MSSQLServer.Responsibilities: New features development, Features and issues discussions, Creating task tickets on AzureDevOps DashBoard, Coordinating tasks between developers. Marketing company website | Role: Full-Stack Developer | Aug 2022 - Mar 2023Description: Website for organization that provides marketing and sales services.Technologies used: Next.js, React.js, Tailwind, Typescript, Vercel.Responsibilities: Pages redesign. Theater website | Role: Full-Stack Developer | From Mar 2023Description: Website for drama theater with spectacles program, actors page and admin area.Technologies used: Next.js, React.js, Tailwind, TypeScript, NextAuth, Prisma, tRPC, PostgreSQL Vercel as cloud service, Supabase as database and image storage.Responsibilities: Pages redesign.
  • figma
  • React