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Freelancers patrocinados
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Contratar abusayed2004
abusayed2004 abusayed2004
$50 USD / hora
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. menos -
Contratar osmanbsd
AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL,...AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and Unix Type Operating Systems --------------------------------------------------------------- CentOS, Alma Linux, CloudLinux, Ubuntu, Debian, Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Cloud / Amazon AWS Technologies --------------------------------------------------------- S3, EC2, VPC, RDS, Autoscaling, IAM, ELB/NLB, EFS, Lightsail, SES, WorkMail, Cloudfront, Snowball, SnowballEdge, DataSync Webhosting Control Panels / Software ------------------------------------------------------------- Cpanel/WHM, Plesk, CyberPanel Apache, Nginx, lightspeed, php-fpm Services Platforms ------------------------------ Cloudflare, Rackspace, Sendgrid, Brevo/SendinBlue, Mailgun, Godaddy, namecheap, Hostgator, namesilo, Ongage, Active Campaign, Google Workspace, Microsoft365, Squarespace, Wix, Ongage, Zoho, Klaviyo, customer.io Email Marketing Frontends ------------------------------------------- Mailwizz, Acelle Mail, Mumara, Mautic, Interspire, Octecth Oempro, 12all/Active Campaign SMTP Servers ----------------------- Postfix, Qmail, Exim, PowerMTA, KumoMTA, OpenDKIM, MailCow Virtualization / Containers ------------------------------------------ VMWare ESXi, VirtualBox, Citrix XEN Server 5.5, Citrix XEN App 5 / Presentation Server, Solaris zones, Open VZ, XEN Opensource, Docker Web/Scripting/Programming Languages ----------------------------------------------------------------- Perl, Bash shell, PHP, AWK, HTML, CGI, SQL, TSQL, Java menos -
Contratar mmoraf
IT professional with 17+ years in Fortune 500 companies specializing in Linux administration, DevOps, and enterprise support engineering. Proven leader in automation, incident management, and cross-functional collaboration across fully remote global environments.IT professional with 17+ years in Fortune 500 companies specializing in Linux administration, DevOps, and enterprise support engineering. Proven leader in automation, incident management, and cross-functional collaboration across fully remote global environments. menos -
Contratar mayankgulati1234
Carrying 20 yrs of IT experience with deep knowledge in almost every sphere of technology. Looking for some good recruiters to provide some healthy work which would be fruitful for both the parties.Carrying 20 yrs of IT experience with deep knowledge in almost every sphere of technology. Looking for some good recruiters to provide some healthy work which would be fruitful for both the parties. menos -
Contratar servermaster
About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With...About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With me, it is easy to set up systems. I am not picky about what systems to use, but I do have experience with what to use. I know the following operating systems + distros: Debian, Ubuntu, Gentoo, SUSE, Red Hat, CentOS, Rocky Linux, AlmaLinux, Arch Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, plus MS Windows servers I also know the following systems: * Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. * Java web servers: Tomcat, Jrun, JBoss * Javascript: Node.js, npm * Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL * Mail systems: Postfix, Exim, Dovecot, and implementing DKIM, SPF, MX, and DMARC * Monitoring systems: Nagios, Zabbix, Cacti, Grafana * SMS: SMSC, Kannel * DNS: Bind, Djbdns, Dnsmasq. * VPS: VMware, Hyper-V, Proxmox, bhyve, KVM, Xen, OpenStack... * Containers: Docker, Podman, LXC, jail, Kubernetes * High Computing: OpenHPC, SLURM, MPI, and related * Cloud providers: AWS, DigitalOcean, Azure… I troubleshoot easily My knowledge does not stop here. Let's chat Please see my reviews of my previous works PS! As bonus, with my bid, you will get one week of free support for work done menos -
Contratar syedhatib
I am a Cybersecurity Specialist and Ethical Hacker with hands-on experience in penetration testing, vulnerability assessment, digital forensics, and OSINT based investigations. My work focuses on identifying security gaps, simulating real-world cyberattacks, and helping individuals and organizations strengthen their...I am a Cybersecurity Specialist and Ethical Hacker with hands-on experience in penetration testing, vulnerability assessment, digital forensics, and OSINT based investigations. My work focuses on identifying security gaps, simulating real-world cyberattacks, and helping individuals and organizations strengthen their defenses through ethical and responsible testing. Over the past few years, I’ve developed and executed various offensive and defensive cybersecurity projects from exploiting vulnerable WordPress environments and CVEs (like ProFTPD RCE and privilege escalation bugs such as PwnKit,etc) to setting up complete red-team infrastructures. My practical knowledge extends to network exploitation, privilege escalation, and post-exploitation persistence across Windows and Linux environments. I’ve also worked on automation and data-driven security tools, including a system that performs OCR on thousands of card images (in Urdu and English), detects faces, logs results, and exports them to Excel combining cybersecurity, AI, and automation. Additionally, I build secure local dashboards for journaling, activity tracking, and productivity monitoring, with encryption and privacy as core principles. In the realm of threat intelligence, I actively perform OSINT investigations, phishing domain analysis, and adversary tracking using real-world scenarios from CTFs and simulated attacks. I’ve solved challenges involving network infiltration, C2 communication tracing, and data exfiltration patterns. My core skills include: • Penetration Testing (Web, Network, System) • Threat Analysis and Intelligence Gathering • Vulnerability Research and Exploit Development • Malware Behavior and Forensic Investigation • Bash, Python, and Node.js Automation • Secure Infrastructure Design and Hardening • OSINT, Social Engineering Simulations, and Digital Profiling • Linux Server Administration and Docker Environments • Cybersecurity Dashboard and C2 Development I am deeply passionate about continuous learning and applying cybersecurity skills to real-world problems. My workflow combines analytical thinking, scripting, and practical exploitation. I also enjoy mentoring others through structured labs and step by step investigations in Hack The Box, TryHackMe, and Pro Labs. If you’re looking for a cybersecurity expert who can test, analyze, and secure your systems or build automated, privacy focused solutions or any task or project related, I’d be happy to collaborate. I ensure professional confidentiality, ethical integrity, and precise execution in every project. menos -
Contratar sekai1116
Senior AI, Software, and Embedded Systems Engineer with extensive experience designing and delivering intelligent, scalable, and hardware-integrated solutions. I specialize in building high-performance software systems, distributed web platforms, cross-platform mobile applications, and embedded electronic systems. My...Senior AI, Software, and Embedded Systems Engineer with extensive experience designing and delivering intelligent, scalable, and hardware-integrated solutions. I specialize in building high-performance software systems, distributed web platforms, cross-platform mobile applications, and embedded electronic systems. My focus is on transforming complex ideas into robust, production-ready products that combine modern software engineering, AI-driven automation, embedded firmware, and scalable system architecture. I work with startups, agencies, and enterprises to develop end-to-end solutions across SaaS platforms, AI-powered applications, IoT ecosystems, embedded devices, RF-enabled systems, and native mobile applications. My engineering methodology emphasizes clean architecture, system reliability, hardware-software integration, performance optimization, and maintainable long-term scalability. Core Expertise ✅AI & Automation OpenAI API integration, AI chat systems, machine learning solutions, Python-based automation, and intelligent workflow systems. ✅Mobile Development Flutter, FlutterFlow, React Native, Dart for building high-quality cross-platform mobile applications. ✅Frontend Engineering React.js, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS, Bootstrap, focused on responsive and scalable UI architectures. ✅Backend Development Node.js, Express.js, Laravel, PHP, designing secure, scalable, and high-performance backend systems and APIs. ✅Embedded Systems & Firmware Engineering C/C++ development, Embedded Linux, STM32, ESP32, Arduino platforms, RTOS-based systems, IoT firmware development, sensor integration, and real-time embedded processing. ✅Electrical & Hardware Engineering Circuit design fundamentals, PCB design, hardware-software co-design, power systems integration, and communication interfaces (UART, SPI, I2C) for embedded hardware development. ✅RF & Electronics Design RF PCB layout optimization (impedance control, grounding, EMI mitigation), antenna design and tuning (Wi-Fi, BLE, LoRa, GNSS), high-speed and mixed-signal PCB design, and multilayer board optimization. Tools: ADS, CST, HFSS, Altium Designer, KiCAD, OrCAD, PADS, EasyEDA, MATLAB, NI Multisim, Proteus. ✅Databases PostgreSQL, MySQL, MongoDB, Firebase for scalable and efficient data management systems. ✅Cloud & DevOps AWS, Firebase, Vercel, DigitalOcean, Docker for deployment, scaling, and infrastructure automation. ✅APIs & Integrations REST APIs, GraphQL, Stripe, PayPal, Twilio, and third-party system integrations. I manage full project lifecycles, from initial research and system architecture through development, deployment, optimization, and long-term maintenance. My work spans AI systems, scalable SaaS platforms, embedded IoT devices, RF hardware solutions, and mobile applications, with a strong emphasis on reliability, scalability, and engineering precision. menos -
Contratar sasha2002
Do your work quickly and efficiently! Working as SysAdmin, LinuxAdmin and DevOPS. Just hire me as permanent worker!Do your work quickly and efficiently! Working as SysAdmin, LinuxAdmin and DevOPS. Just hire me as permanent worker! menos -
Contratar marcusd39
AJAX, Lenguaje de Fórmulas Amibroker, AngularJS, Prevención del Lavado de Dinero, inteligencia artificialI welcome you to my profile, home to certified and professional services. I am a Certified Ethical Hacker, Cyber Security & Forensics Professional. I have completed certifications and developed sufficient experience in Computer Science, Information Technology, Information Security, Network Administration, Blockchain &...I welcome you to my profile, home to certified and professional services. I am a Certified Ethical Hacker, Cyber Security & Forensics Professional. I have completed certifications and developed sufficient experience in Computer Science, Information Technology, Information Security, Network Administration, Blockchain & Cryptocurrency. I offer the following services; Programming, Coding & Development Cyber Security Certified Ethical Hacking (CEH) Red Hat, White Hat Certified Information Systems Security Professional (CISSP) Computer Science, Information Technology & Information Security Digital Forensics, Forensic Consulting, Investigations and Surveillance Recovery Security & Encryption Penetration Testing Web, Internet, Cloud, Network & Computer Security Network Engineering, Administration & Monitoring Reverse Engineering Troubleshooting & Debugging Linux & Ubuntu Cryptocurrency Blockchain Solidity Metatrader Growth Hacking Wireless Security Audit Risk Assessment & Management Data Extraction & Collection, Analysis, Processing, Management, Protection & Backup/Recovery Document Checking Fraud Detection Financial Crime & Anti Money Laundering Video Processing & Editing Audio Processing & Editing Research Minecraft Virtual Reality & Machines Face Recognition Bitcoin Debian MariaDB Amibroker Formula Language Cloud Networking & Monitoring Binance Assembly x86/x64 Assembler CUDA Docker Kubernetes JavaScript MySQL Node.js Flutter React Native Figma Laravel C++ Programming SQL React.js AngularJS Unity Software Engineering Azure Artificial Intelligence VPS Asterisk PBX Roblox Gamification OAuth AJAX Mac OS Rust & Others in this field. Kindly reach out to me so that we can discuss your project, seal the contract and get a guarantee of professional and quality services. menos
