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Anton Lysenok

Anton Lysenok

System Administrator / DevOps / SA TeamLead

Ukraine - Tests: 6 - Portfolio: 1

13 years experience in Linux/FreeBSD/Windows services Unix OS: FreeBSD 4.5-11, Linux Gentoo, Redhat, CentOS, Debian Windows: 95, 98, XP, 7, 8, 10, Windows Server 2003, 2008, 2012 Networking: ARP, TCP, UDP, ICMP, Any kind of 7th level proto, MTU, IP fragmentation, reassembling, TCP windows, SNAT/DNAT and other IP refinements. Advanced routing, BGP, OSPF, PPTP, IPsec, OpenVPN, vtun Firewalls: ipfw, pf, iptables Source compiling: static and dynamic libraries linking, GCC tuning, building own RPMs and DEBs. Mantaining own FreeBSD port with my tool. Source code or coredumps research and fix various issues. GDB, strace debugging. AWS: EC2, S3, Route 53, Cloud Front WEB services: nginx load balancing and static content handling, Apache HTTPD, PHP SAPI/CLI/FPM, CDN. Mirroring: lsync/rsync, NFS Programming: Shell scripting, Perl, C/C++, C#, HTML, CSS, JavaScript/JQuery Backup systems: Amanda, Bacula, dump/restore tools Deployment tools: cfengine, ansible Content repos: SVN, GIT IP telephony: Asterisk

$20.00 /hr
16 hours

Muhammad A.

Muhammad A.

Linux admin - Nginx - Apache - cPanel

Indonesia - Tests: 3

I`m skilled system administrator with 4 years experience. My Specialization: Web Server (Nginx/Apache) Database: MySQL, Maria DB, Mongo DB Cloud Server: Amazon EC2, Digital Ocean, OVH CPanel/Whm Intermediate Website Migration Technical Writer. I'm open source lover, good at security server, I design and build a server infrastructure on Linux with proxmox, configure all that needed include a Webserver, DNS, Mail , private data cloud etc, and monitoring all of them with Pandora FMS at my latest job. My Experience : Linux : Ubuntu,CentOS,Debian,Bash,python,haproxy Mail : Postfix,Dovecot,Zimbra,iReadmail Private Cloud : Owncloud, Seafile Monitoring tools : Nagios,PandoraFMS CRM : Odoo installation and configuration

$15.00 /hr
151 hours

Vyacheslav Chertov

Vyacheslav Chertov

Linux System Administrator

Ukraine - Tests: 8 - Portfolio: 1

Hi! I'm a professional system and network administrator with more than 12-years experience. I'm a native Russian speaker and based in the Ukraine. I have great experience in: - Data backups, Database/File backups, backup automation and troubleshooting; - Building and configuring mailservers: Postfix, Exim, Sendmail; - Database server administration: Informix, Mysql, PostgreSQL, Oracle; - Management and performance tuning: samba, apache, nginx, squid, tcpfoss & etc - Monitoring: Zabbix, Munin, Cacti, Nagios - Maintenance/troubleshooting OS's: Linux (RHEL/Centos, Ubuntu, Debian), FreeBSD - Deploying and configuring VPS servers based on OS's: Centos, Debian, Ubuntu for different purposes - Another software: Puppet, Chief, Docker, OpenVPN, Rsync, Bacula, Mgetty, Spamassasin, Phpmyadmin, Postfixadmin, Roundcube, Virtualmin, Webmin, Xen, KVM, OpenVZ, TYPO3, Dovecot, iptables, BIND, ProFTPd, Zimbra, Vsftpd, Lighttpd, fail2ban... - Hardware experience: Cisco routers and HP switches - Programming and shell skills: python, php, bash, zsh - VPS hosting: Digitalocean, Amazon, GoDaddy, OVH, Bluehost, 1&1 -- Best wishes Vyacheslav

$20.00 /hr
45 hours

Daniel Muñoz Parsapoormoghadam

Daniel Muñoz Parsapoormoghadam

** Wordpress websites that shine **

Spain - Tests: 7 - Portfolio: 4

Your website is the front door to your business, and is often the first impression your brand makes on prospects. Aren't you bored of those sites that look in a generic way and that don't show any personality? Wouldn't you like to look unique and to stand out from the crowd? Good news: you are awesome and unique. That's why I would like to be your partner. I will build a memorable and tailor-made Wordpress website that makes your brand to shine. Working together we can make the difference. Let's start? :)

$18.80 /hr
110 hours

Yevhen Kochuh

Yevhen Kochuh

Software Developer

Ukraine - Tests: 5 - Portfolio: 3

Experienced in: * creation of Core Java client-server/desktop applications etc * shell / PHP scripting for the automation/reporting purposes * creation of MySQL/SQL solutions, their implementation * Google maps JS/geocoding/directions/distance-matrix/other APIs * Interactive charts creation using Chart.js, FlotCharts, HighCharts libs * data mining, data analysis, (economics)-mathematical modeling * UNIX system administration * javascript / jQuery / AJAX based web development

$20.00 /hr
12 hours

Oleksii Kondratiev

Oleksii Kondratiev

DevOps | AWS | Linux System Administration | Nginx | LAMP | Security

Ukraine - Tests: 5 - Portfolio: 2

I am a skilled IT expert with 10+ years of comprehensive experience in: - Linux system administration - Implementing security options - Server optimization for better performance - DevOps - Programming and scripting - 24/7 server monitoring and management. I am well-versed working with Amazon Web Services, in particular, EC2, Route 53, Cloudfront, RDS, S3, SES, etc. I expertise in CentOS/Debian/FreeBSD server management and dealing with web-projects based on PHP. I have deep knowledge in designing and setting up web servers with high performance using Nginx, PHP-FPM, Varnish, w3totalcache, provide troubleshooting, solving performance problems. I've accomplished some projects the results of which are impressive: the load of one project was 5000 online unique users, and the total of requests in another project was 50000 for 5 minutes. DevOps services that I deliver to my clients include: - Communication with developers and resolving their problems - Communication with managers and resolving their technical issues and requests - Connection between developers and managers - Automatization of developing process, deployment, testings using Ansible.

$35.00 /hr
635 hours

Loc Tran

Loc Tran

Senior C/C++/C#/Java Developer

Vietnam - Tests: 16 - Portfolio: 2

Thank you for viewing my profile. I'm Loc Tran from Vietnam. I had strong experience in Software Development with over 9 years in Embedded Sofware, Application Developement, Device Driver Development on Window and Linux. These are some strong skills: + Strong experience in C/C++/Java language + Strong in system programming (multithread, IPC, MPI, OpenMP, ...) + Good knowledge in internal Operating System (Linux and Window) + Strong experience in document processing system (PDF, CSV, XLS, XLSX, ...) + Strong experience in source version control such as GIT, SVN, VSC. + IDEs: Eclipse, Netbean, Visual Studio 2008/2010/2013 + Strong experience in build tools such as Makefile, Autotools, Cmake, Shell programming, ... + Telecom/Network protocol/standard: IGMP, VCAS/LCAS, SDH/SONET, PDH, Ethernet, TCP/IP, HTTP, FTP, SMPP ...

$33.33 /hr
940 hours

John G.

John G.

EmberJS ExpressJS NodeJS FullStack SaaS Expert

Russia - Tests: 14 - Portfolio: 3

4+ years with Ember.js since v. 0.9.4 Highly Experienced Full Stack Web Developer with strong skills in favourite technologies: - node.js / express.js - ember.js - coffeescript or ES6 - stylus or sass My Goal is to be Professional Team Player for Cutting Edge Unique Projects I know very well the key points to build from scratch in smart way any saas system on different online dashboards, so I can advise a lot to implement next requirements: - High-Load - Large Scale, Replication, Sharding, Data Synchronization - Software Distribution, Servers Fail Over preventing, Fast CDN organizing - Cloud Computing I have been involved in long-term jobs in interesting projects which similar to Online Marketplaces & Social Networks like: - Bloomberg news, Youtube, Instagram, Spotify - Trip Advisor, Booking, AirBnB, Uber - Github, Bitbucket, GDrive, TeamSpeak - Amazon AWS, OpenStack In the past I was involved in a few long term projects which related to cross-platform C++/Qt & Chromium/WebKit native browsers development and have great feedbacks for finished work. I like Agile Environment where I can develop fast and closely collaborate with teammates. For long-term project I can work full-time 45-60hrs a week. # ECMAScript 6 ( ES6 ) # sass # hbs, jade, erb, haml #emberjs #ember-data #ember-cli #broccoli #gulp #brunch #bower #npm #mongoose #mongodb #ember-pouch #pouchdb #couchdb #leveldb #expressjs #nodejs #redis #rabbitmq #aws #openstack # Adtech, Video Streaming, VAST / VPAID, Kaltura CE and SaaS, Youtube API, Vimeo API, JWPlayer, Videojs, # Facebook API, Instagram API, Twitter API, Google + API and Google Aps # PayPal API

$40.00 /hr
1,506 hours

Vladislav Belov

Vladislav Belov

C/C++ and Python Developer

Russia - Tests: 5

Hi, my name is Vladislav, Since 2010, I develop C++ desktop applications and games, Python services and scripts, mostly in the image processing, data parsing and analyzing (machine learning), and algorithms (graphs, strings, structures, etc). I take part in few open-source projects, 0AD game is the most known. I believe my strong points are my Creativenes and Diligence. I'm taking a Bachelors in Computer Science from Kazan Federal University, in the Russia. I also have hobby: competitive programming, I take part at contests as contestant and as coach (ACM ICPC, TopCoder Open, Google Code Jam, etc). Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills. — C++ (11/14, STL, boost, Qt, SDL); — Python (2.x/3.x, Django, Requests, Numpy, Scipy); — OpenCV, OpenCL, image processing, OpenGL, DirectX, shaders; — Databases (SQL, MySQL, MariaDB, Postgre, MongoDB); — Microcontroller and Arduino (C, Assembler); — OS: Linux, Windows, Mac OS X; — VCS: Git, Mercurial, SVN; — JSON, XML, UML.

$10.00 /hr
16 hours

Max L.

Max L.

Full Stack Web Developer (LAMP, Wordpress, Symfony/Laravel, AngularJS)

Ukraine - Tests: 13 - Portfolio: 9

Web developer specialising in building web apps using PHP, JavaScript, AngularJs and HTML5, as well as integrating third-party APIs and platforms such as Facebook, Twitter, YouTube and Google services. Experienced in designing custom solutions from scratch. Interested in NodeJs, Ruby and high-load. Specialties:Web development: PHP5, Composer, MySQL, ORM Doctrine, Zend Framework, Symfony Framework, Slim Framework,TYPO3, Wordpress, Object Oriented JavaScript, jQuery, HTML5/CSS3.

$25.00 /hr
164 hours