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  • $80 hourly
    Accomplished systems administrator with 20+ years of experience managing server infrastructures and data-center operations across multiple platforms. Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance. Extensive experience in the design, implementation, and orchestrating of distributed, scalable, and fault tolerance systems. I'm focused on new ways of using technology to turn your insights into new digital products. Other tech Skills: Ubuntu, Docker, Kubernetes, Consul, Python, Ansible, Terraform, VPN, Nginx, BIND, PowerDNS, DHCP, LDAP, AWS (EC2, ECS, Elastic Beanstalk, Batch, RDS, Lambda, S3, IAM, etc), Git, SVN, TeamCity, Jenkins, Gitlab CI.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Linux
    Terraform
    Distributed Computing
    Linux System Administration
    Kubernetes
    GitLab
    NGINX
    Python
    Ansible
    Amazon Web Services
    Docker
  • $35 hourly
    Hi, I am a Systems Engineer with DevOps background and 4-year experience in the area. My main skills are: * Amazon Web Services (EC2, Lambda, Config, IAM, S3, CloudWatch, CloudFormation). * Python (AWS Lambda + Python automation tasks using Boto3 library, Jenkins + Python system scripts). * SQL queries for MySQL and Oracle RDB. * Bash scripting.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    DevOps
    Bash Programming
    AWS CloudFormation
    AWS Lambda
    Elasticsearch
    GitLab
    Linux
    Docker
    Python
    Terraform
    Amazon Web Services
    Jenkins
    Git
  • $120 hourly
    I'm a developer with experience across many industries and technologies, having worked in IT for more than 20 years. My attention to detail, passion for coding and quick understanding of your domain help me to very successfully develop and consult on any kind of application. Whether you have detailed specifications and need them coded or require a guide through the whole software development process, I can help you. At any stage you will receive advice from me to make your project successful. I'm currently specializing in: - Single Page Application (SPA) development with React.js / JavaScript - Server side development with Node.js / JavaScript - Any database related work or consulting for PostgreSQL - Cloud infrastructure in AWS
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    PostGIS
    Database Optimization
    ETL
    Data Migration
    Linux
    Database Administration
    Query Tuning
    Amazon
    Database Design
    JavaScript
    SQL
    Node.js
    PostgreSQL
    React
  • $15 hourly
    Greetings Upwork Family, I am a guy who is Solving cloud implementation challenges for businesses with expertise in Microsoft Azure and Office 365. Empowering organizations to seamlessly migrate, optimize, and leverage the full potential of cloud technologies for streamlined operations and accelerated growth. As a Microsoft-certified professional with over 5 years of experience in Information Technology (IT), I am already working with clients across the US and UK . My Focus is around Cloud and associated stack with the cloud and I have worked profoundly in the following cloud-focused areas: -Office 365 / Microsoft 365 -Microsoft Azure -Microsoft Endpoint Configuration Manager(MECM) -Active Directory Migration Tool(ADMT) -Cross Forest Migration(Users, Group and Computer/WorkStation) -Active Directory, Group policies, DNS, DHCP, Troubleshooting AD, Print servers, File servers -Cloud Deployment and Migration -VMware vSphere 5.x, 6.x, 7.x -ESXi -vCenter Server -Cluster -HA -DRS -Replication -Designing and implementing fault-tolerant virtualization clusters -Microsoft Windows Server (2012 R2/2016/2019), Hyper-V, Azure -Active Directory, Group policies, DNS, DHCP, troubleshooting AD, Print servers, File servers -Centralized antivirus systems (Kaspersky) -WSUS, Patching -Installation and Configuration -Power shell Automation With my diverse skill set and industry certifications, I am well-equipped to provide top-notch cloud-based IT solutions and support. Let's collaborate to enhance your cloud infrastructure and achieve your business goals. So I am the guy you can vouch for while having System Administration and Cloud related requirements. Just a call shy from getting your future success story.  Let's talk! Aadil M.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Group Policy
    Storage Area Network
    Microsoft Hyper-V Server
    Troubleshooting
    OpenVPN
    OpenStack
    Microsoft SCCM
    Cloud Engineering
    System Deployment
    Linux
    DHCP
    Microsoft Azure
    Office 365
    DNS
    Microsoft Active Directory
  • $35 hourly
    I am a professional C++ programmer, I have been programming with C programming language for many years. I have done projects with most C language frameworks, I am fluent in QT, I am ready for C ++ language projects and Especially cooperate with QT. As a QT fluent programmer, I can develop cross-platform applications with special capabilities and standard software development principles.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Microsoft Windows
    Linux
    C
    Database
    Qt Framework
    QML
    C++
    Desktop Application
  • $45 hourly
    I work as C embedded developer (6 years) but also have experience in mobile development for Apple devices using Swift. Usually I combine both technologies embedded and mobile to create modern and stable IoT projects. I am keen to build long term relationships with clients. Primarily looking for any interesting project related to embedded development or IoT solutions. — Good knowledge of C (C99, C89, C11, MISRA), C++, bash. — Linux Kernel device drivers development(ALSA, Input, Xen) Miscellaneous USB Device Class support, USB subsystem support — Virtualization with XEN, pv-drivers — Good knowledge of multithreading — Git, Gerrit — Yocto build system, Make, CMake — ARM and x86 platforms — AVR, ESP32 microcontrollers development — Swift — Strong knowledge of HTTP protocol and RESTful API
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Xen Project Hypervisor
    Linux
    Core Bluetooth
    ARM Microcontroller
    Bash Programming
    Atmel AVR
    Bluetooth
    Raspberry Pi
    Embedded System
    Swift
    Embedded C
    C
    STM32
    Embedded Linux
    ESP32
  • $45 hourly
    I'm a Java developer with half a decade of experience with a degree in Computer Science. I'm well-versed in how different technologies mesh together in projects, which helps me see the bigger picture in software development. I'm good at both the hands-on coding part and the strategic planning side of things. My background includes working on projects that have been around for over a decade, so I understand the challenges and opportunities in updating and improving long-term projects. If you're starting a project from scratch, I can guide you through choosing the right tech and tools, setting up a solid foundation, and creating clear, user-friendly documentation and more. In short, my goal is to bring my full range of development skills to your project, enhancing what's already there or building something new from the ground up. Let's work together to make your project a success. Here's a brief overview of my project experience: •Designed a Java application for collecting sound data, facilitating a machine-learning system's ability to differentiate between various vehicles such as cars, trucks, and motorcycles. •Contributed to the development of a unified messaging prototype, which centralized communications from multiple platforms, enhancing client interaction. •Engaged consistently in the development and deployment of a Java-based ERP solution for over 2 years. •Developed various URCaps (plugins for Universal Robots' PolyScope) for a robotics firm. •Created an Angular/NodeJs/MongoDB Atlas application that visualizes data and delays from sound array sensors. •Tailored the GXT-4 JavaScript library to meet Content Security Policy standards. If you're looking for a developer who not only understands the technicalities of Java and full-stack development but also brings a strategic edge to your projects, let's connect and discuss how I can contribute to your project.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    ChatGPT
    Git
    RESTful API
    MongoDB
    Bluetooth LE
    Unix Shell
    JavaFX
    Bash Programming
    Linux
    MySQL
    Docker
    Amazon Web Services
    Apache Tomcat
    Google Web Toolkit
    Java
  • $45 hourly
    An experienced software engineering professional, skilled in development, quality assurance and cybersecurity; effective communicator with a proven ability to explain complex technical concepts to non-technical users. With 10+ years of software development experience and 5+ years of cybersecurity experience, longside cloud and DevOps experience, I believe I could be the candidate you have been looking for. In addition to my work experience as Cloud DevOps Engineer, Security Engineer, and Software Developer, hold a Bachelor of Computer Science Engineer, where I gained programming skills in C++, Java, C#, ASP.NET, Visual Basic, .NET, and Python. Additionally, I hold a master’s degree of Science in Computer Security, and a Project Management Diploma. Currently, I am a student of Software Engineering Technology, with a specialization in Artificial Intelligence. Within this program, I am further honing my skills in Java, JavaScript, Node.js, Angular and Python, while gaining foundational knowledge of supervised/unsupervised learning, neural networks, machine learning and natural language processing. Throughout my career, I have proven to have a genuine passion for technology, with a commitment to lifelong learning. With a strong technical acumen, I have demonstrated my ability to problem-solve, collaborative nature and results-orientation. SUMMARY OF QUALIFICATIONS: • Student of Software Engineering Technology - Artificial Intelligence Advanced Diploma; Holds a Master’s Degree of Computer Security and Bachelor of Computer Science Engineer • 10+ years of progressive experience in software development using Python, PHP, Java, Perl, ASP.NET, C#, C++, Shell, Bash, Terraform, Ansible, JavaScript, NodeJS, React and Angular • 5+ years cybersecurity experience, designing secure networks with ISO22301, 27001, PCI-DSS standards. • Skilled in a cloud environment, DevOps, and infrastructure as code • Proven ability to work well independently and in a team with strong relationship building skills • Bilingual with fluency in English and Spanish TECHNICAL SKILLS: • Programming Languages & Frameworks: Python, PHP, Java, Perl, ASP.NET, C#, C++, Shell, Bash, Terraform, Ansible, JavaScript, NodeJS, Angular, React, Django, Flask, Symfony, Power Automate • Databases: MySQL, PostgreSQL, Oracle, MongoDB, SQL Server, SQL, NoSQL • Operating Systems: Linux, Windows • Web Services: Nusoap, Restful API, GraphQL • Cloud Environments: Docker, Kubernetes, GCP, AWS, Digital Ocean, Azure • Version Control and CI/CD: Gitlab, GitHub, Azure DevOps • Knowledgeable in Vulnerability Management, Penetration Test and Ethical Hacking • Security and Network Devices Management (Routers / Switches / Firewalls / IPS / IDS / Web Application Firewall / Firewall DB / SIEM (SPLUNK, KIBANA) / Nessus / DDoS (NetScout Arbor)) • Organizational tools: JIRA, Confluence, LeanIX, Ataccama, ServiceNow
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Django
    NGINX
    GitHub
    CI/CD
    Linux
    DevOps
    Security Analysis
    PHP
    Scripts & Utilities
    Security Engineering
    Web Application Security
    Security Operation Center
    Machine Learning
    Data Scraping
    Python
  • $100 hourly
    I'm an experienced Software Developer and Systems Administrator with over 20 years of experience in the tech industry, specializing in Django applications, DevOps, and Systems Administration. Background: I have hands-on experience in developing Python Django-based SaaS applications and managing internal git systems. My tenure at Skytap Inc. included roles as a Technical Lead and Principal Site Reliability Engineer, where I designed Python Flask SaaS tools, managed VMWare infrastructure, and devised automation systems. I've also worked with Wanclouds Inc. and VMware Inc., developing Python-based tools, maintaining public OpenStack clouds, and orchestrating continuous integration systems. I take pride in having served as an Electronics Technician in the US Navy. Education: I hold a Bachelor of Science degree in Software Engineering. Skills: Expert in Linux, VMware, Docker, Python, Git, Ansible, Arch Linux Intermediate in Ubuntu, Kubernetes, OpenStack, Bash, Ruby, Networking, Jenkins, Puppet Basic in C++, C#, Lua, Storage Systems, Perl Value Proposition: As an innovative leader, I have a proven track record of saving companies money through server consolidation and automation and creating scalable solutions that handle heavy loads. Let's Connect: If you’re looking for a dedicated professional to build Django applications or need consulting in DevOps and Systems Administration, don't hesitate to reach out. I’m here to bring my expertise to exciting projects and contribute to your success.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    System Administration
    Server Administration
    Software Development
    Network Administration
    Virtualization
    Flask
    Django
    Python Script
    DevOps
    VMWare
    Kubernetes
    Bash
    Linux
    Docker
    Python
  • $80 hourly
    A Top-Rated-Plus freelancer and Acquia Triple Certified Drupal 9 Expert - 1 of 28 in U.S and the only one in New York. Please feel free to reach out if you are interested in discussing your project. My expertise: Drupal (7/8/9) / PHP / Javascript / JQuery / Bootstrap Hubspot / Salesforce API integration Acquia / Pantheon Java / JSP Google Sheet API / Google Drive API XML / XSLT / JSON / PDF to Excel Parsing Webform / Jotform / Google Form Perl / Shell Scripts MySql / PostgreSQL Apache / Tomcat Linux ( Debian / Ubuntu) Amazon AWS / DigitOcean / Rackspace / Linode Solr / Elastic Search Git 3rd-Party API Integration (Ahrefs, Ebay, Stripe, BluePay, Authorize.Net, Twilio) Best Regards, Tien
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Linux
    Google APIs
    Apache Solr
    Elasticsearch
    Linux System Administration
    Landing Page
    Perl
    PHP
    Drupal
    Java
    PostgreSQL
    MySQL
  • $35 hourly
    AWS SysOps Associate Certified. Hashicorp Terraform certified. 2+ years of experience as DevOps Engineer in one of the largest software companies in Poland. I am fast learning and self-disciplined, have teamwork and multicultural communication experience. Ready to work both remotely and in the office. Work for almost one year at position of Systems/DevOps engineer. My current role is support of several applications. Current tech stack: AWS(Linux), Azure(Linux/Windows) WinServer2019 on-premises machines, kubernetes, PostgreSQL, MicrosoftSQL, MySQL, AWS RDS, Jenkins, AWS ci/cd, php, laravel, Java, Monitoring, Grafana, Prometheus, Loki, Rancher, Openshift.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Terraform
    Git
    Amazon Web Services
    Linux
    Bash
    Jenkins
    Docker
    Microsoft Azure
    Kubernetes
    Scripting
    Database
    Data Backup
    Ansible
    CI/CD
    GitLab
  • $70 hourly
    Hello, my name is Andrii. In my childhood, I spent a lot of time with a soldering iron, making different interesting things. At high school, I got a PC at home and started... Dos, Win, Linux, FreeBSD. At the present time, I have more than 20 years of Win experience and more than 16 years of *nix experience. I like to build systems and solve interesting issues. OS - FreeBSD, Linux (CentOS, Alma, Rocky, RHEL, Ubuntu, Debian, Gentoo, etc), Windows (3.1-2019) Virtualization - vSphere 5.x, 6.x. Standalone ESXi and clusters with SAN storages (iSCSI). KVM, Proxmox, oVirt. Veeam BnR, XSI-backup. VmWare Workstation, VirtualBox. Web servers - Apache, Nginx, Lighttpd, Tomcat DB servers - MySQL, MariaDB, Postgresql, MongoDB Mail - Postfix, Courier/Dovecot/Cyrus, Rspamd, Postgrey, Clamav, PostfixAdmin, SquirrelMail, Roundcube, Sendy, AWS SES. I have experience with WHM/cPanel, Plesk, VestaCP, Virtualmin, ISPmanager, but I don't like control panels (most projects are optimized for best performance, and there is no place for CP). If needed, I can learn and work with any control panel. Samba3+LDAP, Samba4 domains (about 500 user accounts, GPO, Roaming profiles, a lot of other stuff). Standalone samba servers. Docker, docker-compose, Jenkins, Ansible. FreeNAS, TrueNas. Squid (LDAP auth, AD auth, basic auth, Kerberos), FTP, SFTP, DHCPD, BIND, TFTP, DAViCal, tinc, mpd5, quagga, BGP, NFS, rsync, snapshot, rclone, Zabbix, SVN, GIT, Moodle, NextCloud, OnlyOffice, BigBlueButton, Caddy, etc. Dell servers, Dell PowerVault MD storages, HP servers, SuperMicro servers, and usual PC hardware. HP, 3Com, Dell switches, no Cisco experience. DD-WRT, including cross-compiling software from sources for this firmware for ARM arch. Shell, PHP scripting I have a lot of other expertise. Feel free to ask.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    VMWare
    Virtualization
    LDAP
    Dovecot
    Linux System Administration
    FreeBSD
    Windows Administration
    MySQL
    PostgreSQL
    Postfix SMTP Server
    DNS
    NGINX
    CentOS
    Linux
    Ubuntu
  • $50 hourly
    System architect & developer I like: - Linux: I currently use ArchLinux for Desktop and Debian for servers) - Python: I use it daily for pretty much everything related to programming - Databases: I manage both relational (PostgreSQL, MySQL) and non-relational systems (MongoDB) - Networking: let's just say I had my fair share of traffic analysis - I like working with Raspberry PI and similar systems I also have exprience with GIS data, web-frameworks, telecommunications, virtualization, hardware
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Debian
    Raspberry Pi
    SCADA
    PostGIS
    Linux
    GPS
    NGINX
    GIS
    Linux System Administration
    HTML
    API
    JavaScript
    Python
    HTML5
    PostgreSQL
  • $55 hourly
    I am working: - 20+ years on IT - 10+ years on AWS Cloud projects I am a team leader of AWS Advanced Consulting in multiple projects. Self-starter who applies individual initiative to complete the job on time and provides operational and automation support with a 24/7 technical response team staffed by AWS.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Docker
    Ansible
    Terraform
    PHP
    CI/CD
    Kubernetes
    Web Service
    MySQL
    DevOps
    Solution Architecture
    Linux System Administration
    Python
    System Administration
    Linux
    Amazon Web Services
  • $150 hourly
    Telecommunication and Systems engineer with a focus on Cloud, Networking and Linux, experience in Infrastructure management and deployment. Deployed Private Cloud infrastructure, Datacenter Network Design for Multi-tenancy, fault-tolerant design, NIC Bonding and VRRP for High Availability. Stack: *Full virtual networking with vSwitches and vRouters *VLAN, VxLAN, GRE and Overlay tunnels *IPv6 *MP-BGP, EVPN *Firewalling *VPN/OpenVPN/IPSec/WireGuard/Site to Site and Client-Server *Advanced Linux management: IPTables, Kernel modules, Virtualization, Networking. *Traffic engineering *Advanced StrongSwan IPSec tunnels, XFRM *Cloudstack with Open vSwitch *OpenNebula with Open vSwitch *OpenDaylight SDN controller with OpenvSwitch *Advanced Proxy setup with Squid/Nginx *Virtuozzo and OpenVZ *KVM and Libvirtd *RADIUS and FreeRADIUS *Pacemaker/Corosync/Keepalived HA cluster *MTLS design and implementation with NGINX *IoT gateway implementation with Raspberry Pi and 4G modems *DevOps experience with Chef and Ansible *Bash and Python scripting
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Internet of Things
    Apache CloudStack
    Linux System Administration
    OpenVPN
    Computer Network
    Private Cloud
    Kernel-based Virtual Machine
    System Administration
    Firewall
    Ubuntu
    Network Security
    Linux
    Internet Protocol Security
    Network Engineering
    VPN
  • $14 hourly
    Professional System Administrator: Building, Installing, Configure, Fix errors. Developer: PHP, MySQL. Experience: 5+ years. Business and Individual clients wellcome! -Yes, I am working quickly. -Yes, I will answer on any questions. -Yes, I will do it cheap
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Web Development
    Network Administration
    MySQL
    DigitalOcean
    SSL
    Zabbix
    cPanel
    Linux System Administration
    Virtual Private Server
    PHP
    NGINX
    Apache HTTP Server
    CentOS
    Ubuntu
    Linux
  • $95 hourly
    I am a Software Developer and Network Engineer by education and trade (my resume can be found below). Beyond keeping my technical knowledge current and relevant It is most important for me to really understand my clients needs and keep my work focused on producing the best results for my clients and the project at hand. - Go Programming Language and Micro-services - Cloud Automation with Terraform and Ansible - Cloud Automation Providers (AWS, Google and Digital Ocean) - Responsive and Reactive Frontends with Vue and React - Databases include MySQL and MongoDB, etc. - REST API, GraphQL, MQTT and others - Embedded Development with C++ and esp32 - All things IoT I am a full time freelance software developer, I am not "moonlighting" when we work together you 100% of my attention. When we work together you will get not only the depth of my technical knowledge, but you'll also get these "soft" skills: * Competence: smart, current on industry practices, manage complex tasks * Communication is Clear, Concise and Timely * Responsive: I will not disappear, you will hear from me by days end * Empathy: I understand how complex and mysterious software can be * Dedicated to YOUR project and needs, I work for YOU (I do not overbook) * Transparency: our processes are public, we do not hide anything * Schedule: incredibly good at completing projects on time I am very comfortable working on new greenfield projects as a self starting developer, as well as building and leading a team of engineers to finally deliver projects that have failed, are incomplete or have simply become out dated. I see software projects from the big picture, *always* with the business case in mind. Please take a look at my portfolio and reviews to get a better sense of how I deliver services to my clients. My experience has been in engineering and leadership roles as well as all aspects of the software development life cycle (architecture, design, development, testing, debugging). Do you have any questions for me? I will gladly chat for 10 - 15 minutes to answer your questions or discuss your project with no commitment.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Golang
    MySQL
    Git
    Computer Network
    TCP/IP
    Linux
    Google Cloud Platform
    JavaScript
    C++
    Python
    Raspberry Pi
    C
    ESP32
    Arduino
  • $35 hourly
    I am a software engineer specialized in C Linux development with more than 10 years of experience. Although I have the most experience in C, I have several years of C++ (C++ 11) development experience as well. Area of interest - Linux system programming - Command line tool development - daemon development - secure coding - clean code Skills summary: - C Linux programming - Bash scripts - Network programming (sockets, packet capturing) - C++ (C++11) - PHP extensions Frameworks / Libraries / Technologies / Tools: - CMake / autotools - gdb, valgrind - libcurl, rapidjson, ipoque PACE2 (DPI), libarchive, glib-2.0, Qt, boost, ip2location, openssl, zlib, pfring, nanomsg, ... - REST API, JSON-RPC - ssh - command line tools - MySQL, SQLite - Arduino development - Raspberry Pi
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Embedded C
    AVR Microcontroller
    Raspberry Pi
    Embedded System
    Arduino
    C++
    C
    Atmel AVR
    Socket Programming
    SSH
    Linux
    Vim
    libcurl
    Valgrind
    Bash
  • $40 hourly
    Work with a trustworthy TOP RATED Professional, 100% Job Success score. EST time-zone. Fluent English and Spanish. Software, Computers, Networks; knowledge to reach massive audiences. I've worked 15+ years in different areas of computing and software development like: - System Design and Architecture (Performance, Metrics, Scalability) - Software Developer (Web/App/Mobile/Desktop, Test Driven Development) - System Administrator (Sysadmin) - Development Operations (DevOps, Continuous Integration) Offering services for entrepreneurs and corporations with industrial-grade design patterns and easy to read software construction. Most used stack: - Vanilla development of HTML, CSS, PHP, Javascript, Shell, Python. - Framework based development with frameworks like NodeJS, Express, Laravel, CakePHP, CodeIgniter, Zend among others. - Client/Frontend vanilla development and using frameworks like VUE, Angular, React, Bootstrap I am located in New_York/Bogota time zone and speak English and Spanish fluently. Currently online and available.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    PHP
    Laravel
    DevOps
    Zend
    AWS Systems Manager
    System Administration
    Database Management
    Linux
    Google Cloud Platform
    Architectural Design
    React
    JSON
    JavaScript
    MeteorJS
    CSS Grid
    Node.js
    HTML5
    Git
    CSS 3
  • $40 hourly
    6 years of commercial experience in software development Major technical skills: expertise in embedded development for Linux, desktop applications development for Windows and MacOS platforms, Networking, C/C++11/14/17, Qt, WinAPI, Embedded, Shell scripting, Boost.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    SSL
    Network Operating System
    Scripting
    Bash Programming
    Apache Thrift
    Boost
    Computer Network
    Automotive
    QML
    OpenCV
    Linux
    Python
    C
    Docker
    Qt Framework
    C++
  • $90 hourly
    Over 15 years experience in IT, started my career in 2004. 7 years as a lead network engineer and head of tech support in local ISP. Built and managed a highly available IP/MPLS network with over 40Gb/s peak upstream traffic, capable of providing L2/L3 VPN services with QoS, as well as IP transit for other ISPs and subscriber management for broadband users. Personally hired and trained team of engineers, who are now capable of further development and support of the mentioned network. 5+ years as a system engineer and architect in a public/private cloud and IT services business. Built and maintaining highly available Openstack/CEPH cloud based on Canonical Openstack. We're providing our customers with general VPS/cloud services as well as custom IT solutions. This is my primary occupation at the moment. I mostly work with environments based on Linux(Ubuntu, CentOS): configuring monitoring, alarming, and billing services for continuous business operations. I'm good at learning new things, as well as teaching other people my trade.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Python
    Ansible
    Ubuntu
    Kernel-based Virtual Machine
    TCP/IP
    Multiprotocol Label Switching
    OpenStack
    Juniper
    Ceph
    Linux
  • $150 hourly
    A Top-Rated, Expert-Vetted VoIP/Software engineer with over 20 years of experience. My experience ranges from Asterisk/FreePBX phone systems, SMS messaging, Linux operating systems, to network administration. I believe you deserve a more professional, reliable, and personalized business experience, and I bring that mindset to every project. Whether I’m developing top-secret code for Lockheed Martin, or AI telephone agents for Nomo, or creating privacy-first communications for Mecca Hosting, Inc, or designing secure, high availability Asterisk systems for TeleConnx Inc., or handling difficult troubleshooting tasks, I always commit myself to the same standard: creative, client-first solutions and efficient, high-quality work, completed in a fraction of the time. I have a passion for transforming mundane phone interactions into exciting customer experiences, and I lean on decades of experience to create solutions that others would find impossible. In short, I can make your telephone system do pretty much anything, including turning on your coffee maker in the morning. I look forward to working with you!
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    FreePBX
    MySQL
    Kamailio
    Linux System Administration
    Amazon Web Services
    VoIP Administration
    Asterisk
    API Development
    C
    VoIP Software
    LAMP Administration
    Session Initiation Protocol
    Linux
    VoIP
    Business with 10-99 Employees
  • $20 hourly
    🌟 Minecraft Server Developer Extraordinaire 🎮 👋 Hey there, I'm Pawel, your Minecraft maestro with 7+ years of server development experience. 🚀 My Expertise: 🔹 Minecraft Master: Crafting robust servers and plugins is my forte. I stay updated with the latest tech trends. 🔹 Java Pro: Proficient in Java, I focus on speed and security, continually enhancing my skills. 🔹 Tools: I wield IntelliJ IDEA, phpMyAdmin, and MySQL/MariaDB for versatile development and administration. 🔹 Systems Pro: Efficiently manage Minecraft server systems with my extensive experience. 🔹 Server Ninja: Expert in Spigot-API, Bukkit (PaperSpigot), BungeeCord, and Apache2 configuration, always expanding my knowledge. 🌐 Let's Craft Together: Passionate about crafting seamless Minecraft adventures, I'm ready to collaborate. Unbreakable servers and innovative plugins await! 📬 Ready to make your Minecraft dream come true? Shoot me a message, and let's get started!
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    SQL
    Plugin Development
    JetBrains IntelliJ IDEA
    Minecraft
    phpMyAdmin
    Java
    Linux
  • $45 hourly
    AWS Certified Solutions Architect - Associate RedHat Certified Linux Engineer Architect 50+ different types of Applications on AWS , Digital Ocean & on Google Cloud Working on AWS Cloud Platforms since last 9+ years - Strong on Managing Amazon Web Services : ( VPC, EC2, RDS, S3, CloudFront, Elastic Load Balancer , AutoScaling , IAM, Route53, WAF, Lambda (Python) , RedShift, Athena, Glue , S3 Data Lake, SES, SNS, Glacier , Cognito, Elastic BeanStalk, CloudFormation , ElasticCache , CloudWatch (Monitoring, Alerts, Logs) , Inspector, CodeCommit, CodePipeline, CodeDeploy, Trusted Advisor, Guard Duty, System Manager ) - Google Cloud - Compute Engine , Cloud Storage, Cloud SQL, Cloud Virtual Network , Cloud Load Balancing, Cloud DNS. - Docker Container management. - DevOPs using Ansible, Terraforms , Shell , Python, AWS CLI tools ,AWS CDK - Expert in installation, configuration , managing RedHat / CentOs/ Ubuntu Server since 13+ years. - Expert in Configuration of LAMP ,LEMP, Tomcat in different distribution of Linux. - Linux Shell scripting including sed, grep & awk. - Strong on Database Programming using PostgreSQL SQL , PLPGSQL, MySQL. - GitHub , BitBucket repository integration. Atlassian Jira & Confluence configuration and Management, - Nagios , NewRelic
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Cloud Security
    AWS CloudFront
    Amazon ECS for Kubernetes
    Terraform
    AWS CodeDeploy
    Infrastructure Management
    GitHub
    PostgreSQL
    AWS Systems Manager
    Linux System Administration
    Bash Programming
    DevOps
    Google Cloud Platform
    Amazon Web Services
    Linux
  • $100 hourly
    I have over ten years of experience in software and hardware architecture, development, and testing. I am a generalist -- I enjoy researching and creating new tools/algorithms to solve problems that lack existing solutions. My more specific skills are: 1) *performance bottlenecks* -- I squeeze every last drop of performance out of hardware, including multi-core/vector CPU hardware and GPU accelerators. I have deep knowledge in this area and can optimize at all stack levels from algorithms to machine code to hardware pipelines. 2) *deep neural networks* -- I know neural network algorithms and optimizations. I specialize in image and video inference. 3) *security architecture* -- the first step to a secure architecture is knowing your adversaries and what they are capable of. A secure architecture must be designed like watertight plumbing -- a leak anywhere results in catastrophic failure once an adversary finds it. I can help you define a watertight security architecture for your product(s) and infrastructure, preferably using military-grade asymmetric-key encryption technology. 4) *computer networks and IT infrastructure* -- I have several years of experience managing compute, storage, and device infrastructure and know the Internet Protocol (IP) stack. My goal is to be your "easy button" and produce a solution that we're both happy with. First, I will make sure I understand your problem space before working on a solution, respecting your time by asking only key questions. Then, as I start working, I will provide updates/metrics/demos to ensure that I deliver what you want. Finally, I will produce code/documentation/artifacts optimized for readability and maintainability.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    JavaScript
    Software Architecture & Design
    C
    Assembly Language
    C++
    Computer Vision
    TensorFlow
    OpenCL
    Linux
    Deep Neural Network
    Performance Optimization
    SQL
    CUDA
    Python
    Automation
  • $30 hourly
    Ever since I was a kid, I've been fascinated by computers. I was introduced to Linux almost 15 years ago, and that was the time I discovered my first true passion.. I worked as a software developer (iOS - Swift) and Linux system administrator, but I wasn't satisfied with neither developing corporate/commercial applications, nor repeating same routines like adding/removing users, setting up VPSs, configuring programs following the same conventions.. I needed something to satisfy my passion for creativity and problem solving/algorithmic/programmatic thinking, but that is still related to Linux.. Enter Bash, an amazing way to interact and utilize full potential of your Unix OS in a totally programmatic manner.. I've been perfecting my Bash skills for over 5 years now, and I have quite a lot of complex projects, successful jobs and happy clients to support that.. I'm also quite proficient with Python as well, but given my stand on mainstream appliances, I'm only interested in jobs utilizing core principles, I DON'T have any "domain-specific" skills, so please DON'T contact me about AI/Machine Learning/Trading/Full stack/bot automation etc, only basic python skills.. That being said, if you're looking for a Linux expert who thinks of Bash as a programming language and vim as an IDE, feel free to reach out and I'd be happy to provide my services! :)
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Bash
    Unix
    Vim
    Linux
    Awk
    Unix Shell
    Regex Writing
    Bash Programming
    Git
    Python
  • $40 hourly
    "Erdem is an AMAZING freelancer that I will be working with in the future. His communication and professionalism is exactly what we were looking for. If you are looking for great talent, you found it with Erdem!" ⭐️⭐️⭐️⭐️⭐️ "Erdem was always available for us and helped us very well in a critical situation (website down). We highly recommend this freelancer, and we will work with him again without any doubt." ⭐️⭐️⭐️⭐️⭐️ Working with Erdem has been a great experience. He is very professional with communication. All things we assigned were done with ease and before our deadlines. Thanks again!" ⭐️⭐️⭐️⭐️⭐️ "Erdem is an amazing freelancer and will be working with him in the future on several different projects. He is helpful and wants to make sure the projects are completed perfectly. I have worked with tons of freelancers over the years and Erdem is one of the best." ⭐️⭐️⭐️⭐️⭐️ System administrator that brings both technical side and business side of things together. Having five years of experience in System Administration and business management brings forward the person to add value to your startup or business. It does not matter if you have a complete plan on your desk or just an idea on your mind, contact me and let’s eliminate all question marks. A short list of things I worked on before: ✅Setting up Dedicated and Cloud servers for clients and agencies. ✅Installing, configuring, and managing control panels (Cpanel, Plesk, Cyberpanel). ✅Virtualization of Dedicated server with Proxmox VE using different RAID configurations. ✅Installing and configuring BigBlueButton and Scalelite. ✅Configuration tweaks for existing servers of clients to achieve better performance and lower TTFB. ✅Configure local and remote backups. ✅Server migration between different operating systems or control panels. ✅Fixing webserver (apache, nginx, litespeed) related issues. ✅Mailserver configuration and setup. ✅DNS configuration and setup. ✅Total server management for agencies. I have worked with most of the server provider companies, including Hetzner, OVH, DigitalOcean, AWS, Linode, Google Cloud, Microsoft Azure, Contabo, and Vultr. "Erdem rescued my website from a dire situation. Traffic, revenue, and usability have been greatly improved in a matter of hours. Erdem did a great job of communicating what he was doing and why. The work was completed the day the contract started, and everything was delivered as promised. I would recommend working with Erdem over any user claiming to be an SEO or WordPress "expert"." ⭐️⭐️⭐️⭐️⭐️ "Excellent WordPress migration work carried out in record time. Efficient and serious. I highly recommend him." ⭐️⭐️⭐️⭐️⭐️ "It is rare to find good talent that you will work with in the future.....but Erdem is someone I will be coming back to, over and over. He is personable and very proficient in his duties. Having him on call when I need him will make my life easier going forward!." ⭐️⭐️⭐️⭐️⭐️ Five yearsof experience in WordPress Development and Project Management. Created or worked on more than a hundred projects. If you just started a Project, don’t know where to start with or what would be your total cost around mid to long term, I am the person you need on your side. I would love to share my experience and skillset with you. Contact me, and let’s start eliminating those question marks! A shortlist of things I worked on before: ✅Custom plugin development ✅Creating a website from scratch ✅Project Management ✅Speed optimizations on both server level and website level ✅Security enhancements ✅Cleaning Malware and fixing infected websites ✅Guidance on server budget ✅Website migration ✅CDN and Caching configuration My strengths: ✅Quick detection of a problem and coming up with a swift solution. ✅Communicating transparently in every situation possible to avoid a business relationship without trust. ✅Leadership and taking responsibility whenever it is necessary. ✅Flexible schedule and work hours depending on team and Project. ✅Ability to learn quickly and enjoying learning new things. ✅Fluent English I would love to work with people that can describe their requirements deductively, possess positive communication skills and an understanding of work ethics.
    vsuc_fltilesrefresh_TrophyIcon Certified Lenovo Linux Specialists
    Moodle
    Learning Management System
    cPanel
    Website Optimization
    Cloud Management
    Website Migration
    WordPress
    WordPress Malware Removal
    Migration
    Proxmox VE
    Server
    System Security
    System Administration
    Linux
    Security Management
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